Index: head/sys/dev/drm2/drm_edid.c =================================================================== --- head/sys/dev/drm2/drm_edid.c (revision 273961) +++ head/sys/dev/drm2/drm_edid.c (revision 273962) @@ -1,1794 +1,1794 @@ /* * Copyright (c) 2006 Luc Verhaegen (quirks list) * Copyright (c) 2007-2008 Intel Corporation * Jesse Barnes * Copyright 2010 Red Hat, Inc. * * DDC probing routines (drm_ddc_read & drm_do_probe_ddc_edid) originally from * FB layer. * Copyright (C) 2006 Dennis Munsie * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sub license, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the * next paragraph) shall be included in all copies or substantial portions * of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. */ #include __FBSDID("$FreeBSD$"); #include #include #include #include #include #include "iicbus_if.h" #define version_greater(edid, maj, min) \ (((edid)->version > (maj)) || \ ((edid)->version == (maj) && (edid)->revision > (min))) #define EDID_EST_TIMINGS 16 #define EDID_STD_TIMINGS 8 #define EDID_DETAILED_TIMINGS 4 /* * EDID blocks out in the wild have a variety of bugs, try to collect * them here (note that userspace may work around broken monitors first, * but fixes should make their way here so that the kernel "just works" * on as many displays as possible). */ /* First detailed mode wrong, use largest 60Hz mode */ #define EDID_QUIRK_PREFER_LARGE_60 (1 << 0) /* Reported 135MHz pixel clock is too high, needs adjustment */ #define EDID_QUIRK_135_CLOCK_TOO_HIGH (1 << 1) /* Prefer the largest mode at 75 Hz */ #define EDID_QUIRK_PREFER_LARGE_75 (1 << 2) /* Detail timing is in cm not mm */ #define EDID_QUIRK_DETAILED_IN_CM (1 << 3) /* Detailed timing descriptors have bogus size values, so just take the * maximum size and use that. */ #define EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE (1 << 4) /* Monitor forgot to set the first detailed is preferred bit. */ #define EDID_QUIRK_FIRST_DETAILED_PREFERRED (1 << 5) /* use +hsync +vsync for detailed mode */ #define EDID_QUIRK_DETAILED_SYNC_PP (1 << 6) struct detailed_mode_closure { struct drm_connector *connector; struct edid *edid; bool preferred; u32 quirks; int modes; }; #define LEVEL_DMT 0 #define LEVEL_GTF 1 #define LEVEL_GTF2 2 #define LEVEL_CVT 3 static struct edid_quirk { char *vendor; int product_id; u32 quirks; } edid_quirk_list[] = { /* Acer AL1706 */ { "ACR", 44358, EDID_QUIRK_PREFER_LARGE_60 }, /* Acer F51 */ { "API", 0x7602, EDID_QUIRK_PREFER_LARGE_60 }, /* Unknown Acer */ { "ACR", 2423, EDID_QUIRK_FIRST_DETAILED_PREFERRED }, /* Belinea 10 15 55 */ { "MAX", 1516, EDID_QUIRK_PREFER_LARGE_60 }, { "MAX", 0x77e, EDID_QUIRK_PREFER_LARGE_60 }, /* Envision Peripherals, Inc. EN-7100e */ { "EPI", 59264, EDID_QUIRK_135_CLOCK_TOO_HIGH }, /* Envision EN2028 */ { "EPI", 8232, EDID_QUIRK_PREFER_LARGE_60 }, /* Funai Electronics PM36B */ { "FCM", 13600, EDID_QUIRK_PREFER_LARGE_75 | EDID_QUIRK_DETAILED_IN_CM }, /* LG Philips LCD LP154W01-A5 */ { "LPL", 0, EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE }, { "LPL", 0x2a00, EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE }, /* Philips 107p5 CRT */ { "PHL", 57364, EDID_QUIRK_FIRST_DETAILED_PREFERRED }, /* Proview AY765C */ { "PTS", 765, EDID_QUIRK_FIRST_DETAILED_PREFERRED }, /* Samsung SyncMaster 205BW. Note: irony */ { "SAM", 541, EDID_QUIRK_DETAILED_SYNC_PP }, /* Samsung SyncMaster 22[5-6]BW */ { "SAM", 596, EDID_QUIRK_PREFER_LARGE_60 }, { "SAM", 638, EDID_QUIRK_PREFER_LARGE_60 }, }; /*** DDC fetch and block validation ***/ static const u8 edid_header[] = { 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00 }; /* * Sanity check the header of the base EDID block. Return 8 if the header * is perfect, down to 0 if it's totally wrong. */ int drm_edid_header_is_valid(const u8 *raw_edid) { int i, score = 0; for (i = 0; i < sizeof(edid_header); i++) if (raw_edid[i] == edid_header[i]) score++; return score; } /* * Sanity check the EDID block (base or extension). Return 0 if the block * doesn't check out, or 1 if it's valid. */ static bool drm_edid_block_valid(u8 *raw_edid) { int i; u8 csum = 0; struct edid *edid = (struct edid *)raw_edid; if (raw_edid[0] == 0x00) { int score = drm_edid_header_is_valid(raw_edid); if (score == 8) ; else if (score >= 6) { DRM_DEBUG("Fixing EDID header, your hardware may be failing\n"); memcpy(raw_edid, edid_header, sizeof(edid_header)); } else { goto bad; } } for (i = 0; i < EDID_LENGTH; i++) csum += raw_edid[i]; if (csum) { - DRM_DEBUG("EDID checksum is invalid, remainder is %d\n", csum); + DRM_DEBUG_KMS("EDID checksum is invalid, remainder is %d\n", csum); /* allow CEA to slide through, switches mangle this */ if (raw_edid[0] != 0x02) goto bad; } /* per-block-type checks */ switch (raw_edid[0]) { case 0: /* base */ if (edid->version != 1) { DRM_ERROR("EDID has major version %d, instead of 1\n", edid->version); goto bad; } if (edid->revision > 4) DRM_DEBUG("EDID minor > 4, assuming backward compatibility\n"); break; default: break; } return 1; bad: if (raw_edid) { DRM_DEBUG_KMS("Raw EDID:\n"); if ((drm_debug_flag & DRM_DEBUGBITS_KMS) != 0) { for (i = 0; i < EDID_LENGTH; ) { printf("%02x", raw_edid[i]); i++; if (i % 16 == 0 || i == EDID_LENGTH) printf("\n"); else if (i % 8 == 0) printf(" "); else printf(" "); } } } return 0; } /** * drm_edid_is_valid - sanity check EDID data * @edid: EDID data * * Sanity-check an entire EDID record (including extensions) */ bool drm_edid_is_valid(struct edid *edid) { int i; u8 *raw = (u8 *)edid; if (!edid) return false; for (i = 0; i <= edid->extensions; i++) if (!drm_edid_block_valid(raw + i * EDID_LENGTH)) return false; return true; } #define DDC_ADDR 0x50 #define DDC_SEGMENT_ADDR 0x30 /** * Get EDID information via I2C. * * \param adapter : i2c device adaptor * \param buf : EDID data buffer to be filled * \param len : EDID data buffer length * \return 0 on success or -1 on failure. * * Try to fetch EDID information by calling i2c driver function. */ static int drm_do_probe_ddc_edid(device_t adapter, unsigned char *buf, int block, int len) { unsigned char start = block * EDID_LENGTH; unsigned char segment = block >> 1; unsigned char xfers = segment ? 3 : 2; int ret, retries = 5; /* The core i2c driver will automatically retry the transfer if the * adapter reports EAGAIN. However, we find that bit-banging transfers * are susceptible to errors under a heavily loaded machine and * generate spurious NAKs and timeouts. Retrying the transfer * of the individual block a few times seems to overcome this. */ do { struct iic_msg msgs[] = { { .slave = DDC_SEGMENT_ADDR << 1, .flags = 0, .len = 1, .buf = &segment, }, { .slave = DDC_ADDR << 1, .flags = IIC_M_WR, .len = 1, .buf = &start, }, { .slave = DDC_ADDR << 1, .flags = IIC_M_RD, .len = len, .buf = buf, } }; /* * Avoid sending the segment addr to not upset non-compliant ddc * monitors. */ ret = iicbus_transfer(adapter, &msgs[3 - xfers], xfers); if (ret != 0) DRM_DEBUG_KMS("iicbus_transfer countdown %d error %d\n", retries, ret); } while (ret != 0 && --retries); return (ret == 0 ? 0 : -1); } static bool drm_edid_is_zero(u8 *in_edid, int length) { int i; u32 *raw_edid = (u32 *)in_edid; for (i = 0; i < length / 4; i++) if (*(raw_edid + i) != 0) return false; return true; } static u8 * drm_do_get_edid(struct drm_connector *connector, device_t adapter) { int i, j = 0, valid_extensions = 0; u8 *block, *new; block = malloc(EDID_LENGTH, DRM_MEM_KMS, M_WAITOK | M_ZERO); /* base block fetch */ for (i = 0; i < 4; i++) { if (drm_do_probe_ddc_edid(adapter, block, 0, EDID_LENGTH)) goto out; if (drm_edid_block_valid(block)) break; if (i == 0 && drm_edid_is_zero(block, EDID_LENGTH)) { connector->null_edid_counter++; goto carp; } } if (i == 4) goto carp; /* if there's no extensions, we're done */ if (block[0x7e] == 0) return block; new = reallocf(block, (block[0x7e] + 1) * EDID_LENGTH, DRM_MEM_KMS, M_WAITOK); block = new; for (j = 1; j <= block[0x7e]; j++) { for (i = 0; i < 4; i++) { if (drm_do_probe_ddc_edid(adapter, block + (valid_extensions + 1) * EDID_LENGTH, j, EDID_LENGTH)) goto out; if (drm_edid_block_valid(block + (valid_extensions + 1) * EDID_LENGTH)) { valid_extensions++; break; } } if (i == 4) DRM_DEBUG_KMS("%s: Ignoring invalid EDID block %d.\n", drm_get_connector_name(connector), j); } if (valid_extensions != block[0x7e]) { block[EDID_LENGTH-1] += block[0x7e] - valid_extensions; block[0x7e] = valid_extensions; new = reallocf(block, (valid_extensions + 1) * EDID_LENGTH, DRM_MEM_KMS, M_WAITOK); block = new; } DRM_DEBUG_KMS("got EDID from %s\n", drm_get_connector_name(connector)); return block; carp: - DRM_ERROR("%s: EDID block %d invalid.\n", + DRM_DEBUG_KMS("%s: EDID block %d invalid.\n", drm_get_connector_name(connector), j); out: free(block, DRM_MEM_KMS); return NULL; } /** * Probe DDC presence. * * \param adapter : i2c device adaptor * \return 1 on success */ static bool drm_probe_ddc(device_t adapter) { unsigned char out; return (drm_do_probe_ddc_edid(adapter, &out, 0, 1) == 0); } /** * drm_get_edid - get EDID data, if available * @connector: connector we're probing * @adapter: i2c adapter to use for DDC * * Poke the given i2c channel to grab EDID data if possible. If found, * attach it to the connector. * * Return edid data or NULL if we couldn't find any. */ struct edid *drm_get_edid(struct drm_connector *connector, device_t adapter) { struct edid *edid = NULL; if (drm_probe_ddc(adapter)) edid = (struct edid *)drm_do_get_edid(connector, adapter); connector->display_info.raw_edid = (char *)edid; return edid; } /*** EDID parsing ***/ /** * edid_vendor - match a string against EDID's obfuscated vendor field * @edid: EDID to match * @vendor: vendor string * * Returns true if @vendor is in @edid, false otherwise */ static bool edid_vendor(struct edid *edid, char *vendor) { char edid_vendor[3]; edid_vendor[0] = ((edid->mfg_id[0] & 0x7c) >> 2) + '@'; edid_vendor[1] = (((edid->mfg_id[0] & 0x3) << 3) | ((edid->mfg_id[1] & 0xe0) >> 5)) + '@'; edid_vendor[2] = (edid->mfg_id[1] & 0x1f) + '@'; return !strncmp(edid_vendor, vendor, 3); } /** * edid_get_quirks - return quirk flags for a given EDID * @edid: EDID to process * * This tells subsequent routines what fixes they need to apply. */ static u32 edid_get_quirks(struct edid *edid) { struct edid_quirk *quirk; int i; for (i = 0; i < DRM_ARRAY_SIZE(edid_quirk_list); i++) { quirk = &edid_quirk_list[i]; if (edid_vendor(edid, quirk->vendor) && (EDID_PRODUCT_ID(edid) == quirk->product_id)) return quirk->quirks; } return 0; } #define MODE_SIZE(m) ((m)->hdisplay * (m)->vdisplay) #define MODE_REFRESH_DIFF(m,r) (abs((m)->vrefresh - target_refresh)) /** * edid_fixup_preferred - set preferred modes based on quirk list * @connector: has mode list to fix up * @quirks: quirks list * * Walk the mode list for @connector, clearing the preferred status * on existing modes and setting it anew for the right mode ala @quirks. */ static void edid_fixup_preferred(struct drm_connector *connector, u32 quirks) { struct drm_display_mode *t, *cur_mode, *preferred_mode; int target_refresh = 0; if (list_empty(&connector->probed_modes)) return; if (quirks & EDID_QUIRK_PREFER_LARGE_60) target_refresh = 60; if (quirks & EDID_QUIRK_PREFER_LARGE_75) target_refresh = 75; preferred_mode = list_first_entry(&connector->probed_modes, struct drm_display_mode, head); list_for_each_entry_safe(cur_mode, t, &connector->probed_modes, head) { cur_mode->type &= ~DRM_MODE_TYPE_PREFERRED; if (cur_mode == preferred_mode) continue; /* Largest mode is preferred */ if (MODE_SIZE(cur_mode) > MODE_SIZE(preferred_mode)) preferred_mode = cur_mode; /* At a given size, try to get closest to target refresh */ if ((MODE_SIZE(cur_mode) == MODE_SIZE(preferred_mode)) && MODE_REFRESH_DIFF(cur_mode, target_refresh) < MODE_REFRESH_DIFF(preferred_mode, target_refresh)) { preferred_mode = cur_mode; } } preferred_mode->type |= DRM_MODE_TYPE_PREFERRED; } struct drm_display_mode *drm_mode_find_dmt(struct drm_device *dev, int hsize, int vsize, int fresh) { struct drm_display_mode *mode = NULL; int i; for (i = 0; i < drm_num_dmt_modes; i++) { struct drm_display_mode *ptr = &drm_dmt_modes[i]; if (hsize == ptr->hdisplay && vsize == ptr->vdisplay && fresh == drm_mode_vrefresh(ptr)) { /* get the expected default mode */ mode = drm_mode_duplicate(dev, ptr); break; } } return mode; } typedef void detailed_cb(struct detailed_timing *timing, void *closure); static void cea_for_each_detailed_block(u8 *ext, detailed_cb *cb, void *closure) { int i, n = 0; u8 rev = ext[0x01], d = ext[0x02]; u8 *det_base = ext + d; switch (rev) { case 0: /* can't happen */ return; case 1: /* have to infer how many blocks we have, check pixel clock */ for (i = 0; i < 6; i++) if (det_base[18*i] || det_base[18*i+1]) n++; break; default: /* explicit count */ n = min(ext[0x03] & 0x0f, 6); break; } for (i = 0; i < n; i++) cb((struct detailed_timing *)(det_base + 18 * i), closure); } static void vtb_for_each_detailed_block(u8 *ext, detailed_cb *cb, void *closure) { unsigned int i, n = min((int)ext[0x02], 6); u8 *det_base = ext + 5; if (ext[0x01] != 1) return; /* unknown version */ for (i = 0; i < n; i++) cb((struct detailed_timing *)(det_base + 18 * i), closure); } static void drm_for_each_detailed_block(u8 *raw_edid, detailed_cb *cb, void *closure) { int i; struct edid *edid = (struct edid *)raw_edid; if (edid == NULL) return; for (i = 0; i < EDID_DETAILED_TIMINGS; i++) cb(&(edid->detailed_timings[i]), closure); for (i = 1; i <= raw_edid[0x7e]; i++) { u8 *ext = raw_edid + (i * EDID_LENGTH); switch (*ext) { case CEA_EXT: cea_for_each_detailed_block(ext, cb, closure); break; case VTB_EXT: vtb_for_each_detailed_block(ext, cb, closure); break; default: break; } } } static void is_rb(struct detailed_timing *t, void *data) { u8 *r = (u8 *)t; if (r[3] == EDID_DETAIL_MONITOR_RANGE) if (r[15] & 0x10) *(bool *)data = true; } /* EDID 1.4 defines this explicitly. For EDID 1.3, we guess, badly. */ static bool drm_monitor_supports_rb(struct edid *edid) { if (edid->revision >= 4) { bool ret; drm_for_each_detailed_block((u8 *)edid, is_rb, &ret); return ret; } return ((edid->input & DRM_EDID_INPUT_DIGITAL) != 0); } static void find_gtf2(struct detailed_timing *t, void *data) { u8 *r = (u8 *)t; if (r[3] == EDID_DETAIL_MONITOR_RANGE && r[10] == 0x02) *(u8 **)data = r; } /* Secondary GTF curve kicks in above some break frequency */ static int drm_gtf2_hbreak(struct edid *edid) { u8 *r = NULL; drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r); return r ? (r[12] * 2) : 0; } static int drm_gtf2_2c(struct edid *edid) { u8 *r = NULL; drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r); return r ? r[13] : 0; } static int drm_gtf2_m(struct edid *edid) { u8 *r = NULL; drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r); return r ? (r[15] << 8) + r[14] : 0; } static int drm_gtf2_k(struct edid *edid) { u8 *r = NULL; drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r); return r ? r[16] : 0; } static int drm_gtf2_2j(struct edid *edid) { u8 *r = NULL; drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r); return r ? r[17] : 0; } /** * standard_timing_level - get std. timing level(CVT/GTF/DMT) * @edid: EDID block to scan */ static int standard_timing_level(struct edid *edid) { if (edid->revision >= 2) { if (edid->revision >= 4 && (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF)) return LEVEL_CVT; if (drm_gtf2_hbreak(edid)) return LEVEL_GTF2; return LEVEL_GTF; } return LEVEL_DMT; } /* * 0 is reserved. The spec says 0x01 fill for unused timings. Some old * monitors fill with ascii space (0x20) instead. */ static int bad_std_timing(u8 a, u8 b) { return (a == 0x00 && b == 0x00) || (a == 0x01 && b == 0x01) || (a == 0x20 && b == 0x20); } /** * drm_mode_std - convert standard mode info (width, height, refresh) into mode * @t: standard timing params * @timing_level: standard timing level * * Take the standard timing params (in this case width, aspect, and refresh) * and convert them into a real mode using CVT/GTF/DMT. */ static struct drm_display_mode * drm_mode_std(struct drm_connector *connector, struct edid *edid, struct std_timing *t, int revision) { struct drm_device *dev = connector->dev; struct drm_display_mode *m, *mode = NULL; int hsize, vsize; int vrefresh_rate; unsigned aspect_ratio = (t->vfreq_aspect & EDID_TIMING_ASPECT_MASK) >> EDID_TIMING_ASPECT_SHIFT; unsigned vfreq = (t->vfreq_aspect & EDID_TIMING_VFREQ_MASK) >> EDID_TIMING_VFREQ_SHIFT; int timing_level = standard_timing_level(edid); if (bad_std_timing(t->hsize, t->vfreq_aspect)) return NULL; /* According to the EDID spec, the hdisplay = hsize * 8 + 248 */ hsize = t->hsize * 8 + 248; /* vrefresh_rate = vfreq + 60 */ vrefresh_rate = vfreq + 60; /* the vdisplay is calculated based on the aspect ratio */ if (aspect_ratio == 0) { if (revision < 3) vsize = hsize; else vsize = (hsize * 10) / 16; } else if (aspect_ratio == 1) vsize = (hsize * 3) / 4; else if (aspect_ratio == 2) vsize = (hsize * 4) / 5; else vsize = (hsize * 9) / 16; /* HDTV hack, part 1 */ if (vrefresh_rate == 60 && ((hsize == 1360 && vsize == 765) || (hsize == 1368 && vsize == 769))) { hsize = 1366; vsize = 768; } /* * If this connector already has a mode for this size and refresh * rate (because it came from detailed or CVT info), use that * instead. This way we don't have to guess at interlace or * reduced blanking. */ list_for_each_entry(m, &connector->probed_modes, head) if (m->hdisplay == hsize && m->vdisplay == vsize && drm_mode_vrefresh(m) == vrefresh_rate) return NULL; /* HDTV hack, part 2 */ if (hsize == 1366 && vsize == 768 && vrefresh_rate == 60) { mode = drm_cvt_mode(dev, 1366, 768, vrefresh_rate, 0, 0, false); mode->hdisplay = 1366; mode->hsync_start = mode->hsync_start - 1; mode->hsync_end = mode->hsync_end - 1; return mode; } /* check whether it can be found in default mode table */ mode = drm_mode_find_dmt(dev, hsize, vsize, vrefresh_rate); if (mode) return mode; switch (timing_level) { case LEVEL_DMT: break; case LEVEL_GTF: mode = drm_gtf_mode(dev, hsize, vsize, vrefresh_rate, 0, 0); break; case LEVEL_GTF2: /* * This is potentially wrong if there's ever a monitor with * more than one ranges section, each claiming a different * secondary GTF curve. Please don't do that. */ mode = drm_gtf_mode(dev, hsize, vsize, vrefresh_rate, 0, 0); if (drm_mode_hsync(mode) > drm_gtf2_hbreak(edid)) { free(mode, DRM_MEM_KMS); mode = drm_gtf_mode_complex(dev, hsize, vsize, vrefresh_rate, 0, 0, drm_gtf2_m(edid), drm_gtf2_2c(edid), drm_gtf2_k(edid), drm_gtf2_2j(edid)); } break; case LEVEL_CVT: mode = drm_cvt_mode(dev, hsize, vsize, vrefresh_rate, 0, 0, false); break; } return mode; } /* * EDID is delightfully ambiguous about how interlaced modes are to be * encoded. Our internal representation is of frame height, but some * HDTV detailed timings are encoded as field height. * * The format list here is from CEA, in frame size. Technically we * should be checking refresh rate too. Whatever. */ static void drm_mode_do_interlace_quirk(struct drm_display_mode *mode, struct detailed_pixel_timing *pt) { int i; static const struct { int w, h; } cea_interlaced[] = { { 1920, 1080 }, { 720, 480 }, { 1440, 480 }, { 2880, 480 }, { 720, 576 }, { 1440, 576 }, { 2880, 576 }, }; if (!(pt->misc & DRM_EDID_PT_INTERLACED)) return; for (i = 0; i < DRM_ARRAY_SIZE(cea_interlaced); i++) { if ((mode->hdisplay == cea_interlaced[i].w) && (mode->vdisplay == cea_interlaced[i].h / 2)) { mode->vdisplay *= 2; mode->vsync_start *= 2; mode->vsync_end *= 2; mode->vtotal *= 2; mode->vtotal |= 1; } } mode->flags |= DRM_MODE_FLAG_INTERLACE; } /** * drm_mode_detailed - create a new mode from an EDID detailed timing section * @dev: DRM device (needed to create new mode) * @edid: EDID block * @timing: EDID detailed timing info * @quirks: quirks to apply * * An EDID detailed timing block contains enough info for us to create and * return a new struct drm_display_mode. */ static struct drm_display_mode *drm_mode_detailed(struct drm_device *dev, struct edid *edid, struct detailed_timing *timing, u32 quirks) { struct drm_display_mode *mode; struct detailed_pixel_timing *pt = &timing->data.pixel_data; unsigned hactive = (pt->hactive_hblank_hi & 0xf0) << 4 | pt->hactive_lo; unsigned vactive = (pt->vactive_vblank_hi & 0xf0) << 4 | pt->vactive_lo; unsigned hblank = (pt->hactive_hblank_hi & 0xf) << 8 | pt->hblank_lo; unsigned vblank = (pt->vactive_vblank_hi & 0xf) << 8 | pt->vblank_lo; unsigned hsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc0) << 2 | pt->hsync_offset_lo; unsigned hsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0x30) << 4 | pt->hsync_pulse_width_lo; unsigned vsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc) >> 2 | pt->vsync_offset_pulse_width_lo >> 4; unsigned vsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0x3) << 4 | (pt->vsync_offset_pulse_width_lo & 0xf); /* ignore tiny modes */ if (hactive < 64 || vactive < 64) return NULL; if (pt->misc & DRM_EDID_PT_STEREO) { printf("stereo mode not supported\n"); return NULL; } if (!(pt->misc & DRM_EDID_PT_SEPARATE_SYNC)) { printf("composite sync not supported\n"); } /* it is incorrect if hsync/vsync width is zero */ if (!hsync_pulse_width || !vsync_pulse_width) { DRM_DEBUG_KMS("Incorrect Detailed timing. " "Wrong Hsync/Vsync pulse width\n"); return NULL; } mode = drm_mode_create(dev); if (!mode) return NULL; mode->type = DRM_MODE_TYPE_DRIVER; if (quirks & EDID_QUIRK_135_CLOCK_TOO_HIGH) timing->pixel_clock = htole16(1088); mode->clock = le16toh(timing->pixel_clock) * 10; mode->hdisplay = hactive; mode->hsync_start = mode->hdisplay + hsync_offset; mode->hsync_end = mode->hsync_start + hsync_pulse_width; mode->htotal = mode->hdisplay + hblank; mode->vdisplay = vactive; mode->vsync_start = mode->vdisplay + vsync_offset; mode->vsync_end = mode->vsync_start + vsync_pulse_width; mode->vtotal = mode->vdisplay + vblank; /* Some EDIDs have bogus h/vtotal values */ if (mode->hsync_end > mode->htotal) mode->htotal = mode->hsync_end + 1; if (mode->vsync_end > mode->vtotal) mode->vtotal = mode->vsync_end + 1; drm_mode_do_interlace_quirk(mode, pt); drm_mode_set_name(mode); if (quirks & EDID_QUIRK_DETAILED_SYNC_PP) { pt->misc |= DRM_EDID_PT_HSYNC_POSITIVE | DRM_EDID_PT_VSYNC_POSITIVE; } mode->flags |= (pt->misc & DRM_EDID_PT_HSYNC_POSITIVE) ? DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC; mode->flags |= (pt->misc & DRM_EDID_PT_VSYNC_POSITIVE) ? DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC; mode->width_mm = pt->width_mm_lo | (pt->width_height_mm_hi & 0xf0) << 4; mode->height_mm = pt->height_mm_lo | (pt->width_height_mm_hi & 0xf) << 8; if (quirks & EDID_QUIRK_DETAILED_IN_CM) { mode->width_mm *= 10; mode->height_mm *= 10; } if (quirks & EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE) { mode->width_mm = edid->width_cm * 10; mode->height_mm = edid->height_cm * 10; } return mode; } static bool mode_is_rb(const struct drm_display_mode *mode) { return (mode->htotal - mode->hdisplay == 160) && (mode->hsync_end - mode->hdisplay == 80) && (mode->hsync_end - mode->hsync_start == 32) && (mode->vsync_start - mode->vdisplay == 3); } static bool mode_in_hsync_range(struct drm_display_mode *mode, struct edid *edid, u8 *t) { int hsync, hmin, hmax; hmin = t[7]; if (edid->revision >= 4) hmin += ((t[4] & 0x04) ? 255 : 0); hmax = t[8]; if (edid->revision >= 4) hmax += ((t[4] & 0x08) ? 255 : 0); hsync = drm_mode_hsync(mode); return (hsync <= hmax && hsync >= hmin); } static bool mode_in_vsync_range(struct drm_display_mode *mode, struct edid *edid, u8 *t) { int vsync, vmin, vmax; vmin = t[5]; if (edid->revision >= 4) vmin += ((t[4] & 0x01) ? 255 : 0); vmax = t[6]; if (edid->revision >= 4) vmax += ((t[4] & 0x02) ? 255 : 0); vsync = drm_mode_vrefresh(mode); return (vsync <= vmax && vsync >= vmin); } static u32 range_pixel_clock(struct edid *edid, u8 *t) { /* unspecified */ if (t[9] == 0 || t[9] == 255) return 0; /* 1.4 with CVT support gives us real precision, yay */ if (edid->revision >= 4 && t[10] == 0x04) return (t[9] * 10000) - ((t[12] >> 2) * 250); /* 1.3 is pathetic, so fuzz up a bit */ return t[9] * 10000 + 5001; } static bool mode_in_range(struct drm_display_mode *mode, struct edid *edid, struct detailed_timing *timing) { u32 max_clock; u8 *t = (u8 *)timing; if (!mode_in_hsync_range(mode, edid, t)) return false; if (!mode_in_vsync_range(mode, edid, t)) return false; if ((max_clock = range_pixel_clock(edid, t))) if (mode->clock > max_clock) return false; /* 1.4 max horizontal check */ if (edid->revision >= 4 && t[10] == 0x04) if (t[13] && mode->hdisplay > 8 * (t[13] + (256 * (t[12]&0x3)))) return false; if (mode_is_rb(mode) && !drm_monitor_supports_rb(edid)) return false; return true; } /* * XXX If drm_dmt_modes ever regrows the CVT-R modes (and it will) this will * need to account for them. */ static int drm_gtf_modes_for_range(struct drm_connector *connector, struct edid *edid, struct detailed_timing *timing) { int i, modes = 0; struct drm_display_mode *newmode; struct drm_device *dev = connector->dev; for (i = 0; i < drm_num_dmt_modes; i++) { if (mode_in_range(drm_dmt_modes + i, edid, timing)) { newmode = drm_mode_duplicate(dev, &drm_dmt_modes[i]); if (newmode) { drm_mode_probed_add(connector, newmode); modes++; } } } return modes; } static void do_inferred_modes(struct detailed_timing *timing, void *c) { struct detailed_mode_closure *closure = c; struct detailed_non_pixel *data = &timing->data.other_data; int gtf = (closure->edid->features & DRM_EDID_FEATURE_DEFAULT_GTF); if (gtf && data->type == EDID_DETAIL_MONITOR_RANGE) closure->modes += drm_gtf_modes_for_range(closure->connector, closure->edid, timing); } static int add_inferred_modes(struct drm_connector *connector, struct edid *edid) { struct detailed_mode_closure closure = { connector, edid, 0, 0, 0 }; if (version_greater(edid, 1, 0)) drm_for_each_detailed_block((u8 *)edid, do_inferred_modes, &closure); return closure.modes; } static int drm_est3_modes(struct drm_connector *connector, struct detailed_timing *timing) { int i, j, m, modes = 0; struct drm_display_mode *mode; u8 *est = ((u8 *)timing) + 5; for (i = 0; i < 6; i++) { for (j = 7; j > 0; j--) { m = (i * 8) + (7 - j); if (m >= DRM_ARRAY_SIZE(est3_modes)) break; if (est[i] & (1 << j)) { mode = drm_mode_find_dmt(connector->dev, est3_modes[m].w, est3_modes[m].h, est3_modes[m].r /*, est3_modes[m].rb */); if (mode) { drm_mode_probed_add(connector, mode); modes++; } } } } return modes; } static void do_established_modes(struct detailed_timing *timing, void *c) { struct detailed_mode_closure *closure = c; struct detailed_non_pixel *data = &timing->data.other_data; if (data->type == EDID_DETAIL_EST_TIMINGS) closure->modes += drm_est3_modes(closure->connector, timing); } /** * add_established_modes - get est. modes from EDID and add them * @edid: EDID block to scan * * Each EDID block contains a bitmap of the supported "established modes" list * (defined above). Tease them out and add them to the global modes list. */ static int add_established_modes(struct drm_connector *connector, struct edid *edid) { struct drm_device *dev = connector->dev; unsigned long est_bits = edid->established_timings.t1 | (edid->established_timings.t2 << 8) | ((edid->established_timings.mfg_rsvd & 0x80) << 9); int i, modes = 0; struct detailed_mode_closure closure = { connector, edid, 0, 0, 0 }; for (i = 0; i <= EDID_EST_TIMINGS; i++) { if (est_bits & (1<data.other_data; struct drm_connector *connector = closure->connector; struct edid *edid = closure->edid; if (data->type == EDID_DETAIL_STD_MODES) { int i; for (i = 0; i < 6; i++) { struct std_timing *std; struct drm_display_mode *newmode; std = &data->data.timings[i]; newmode = drm_mode_std(connector, edid, std, edid->revision); if (newmode) { drm_mode_probed_add(connector, newmode); closure->modes++; } } } } /** * add_standard_modes - get std. modes from EDID and add them * @edid: EDID block to scan * * Standard modes can be calculated using the appropriate standard (DMT, * GTF or CVT. Grab them from @edid and add them to the list. */ static int add_standard_modes(struct drm_connector *connector, struct edid *edid) { int i, modes = 0; struct detailed_mode_closure closure = { connector, edid, 0, 0, 0 }; for (i = 0; i < EDID_STD_TIMINGS; i++) { struct drm_display_mode *newmode; newmode = drm_mode_std(connector, edid, &edid->standard_timings[i], edid->revision); if (newmode) { drm_mode_probed_add(connector, newmode); modes++; } } if (version_greater(edid, 1, 0)) drm_for_each_detailed_block((u8 *)edid, do_standard_modes, &closure); /* XXX should also look for standard codes in VTB blocks */ return modes + closure.modes; } static int drm_cvt_modes(struct drm_connector *connector, struct detailed_timing *timing) { int i, j, modes = 0; struct drm_display_mode *newmode; struct drm_device *dev = connector->dev; struct cvt_timing *cvt; const int rates[] = { 60, 85, 75, 60, 50 }; const u8 empty[3] = { 0, 0, 0 }; for (i = 0; i < 4; i++) { int width = 0, height; cvt = &(timing->data.other_data.data.cvt[i]); if (!memcmp(cvt->code, empty, 3)) continue; height = (cvt->code[0] + ((cvt->code[1] & 0xf0) << 4) + 1) * 2; switch (cvt->code[1] & 0x0c) { case 0x00: width = height * 4 / 3; break; case 0x04: width = height * 16 / 9; break; case 0x08: width = height * 16 / 10; break; case 0x0c: width = height * 15 / 9; break; } for (j = 1; j < 5; j++) { if (cvt->code[2] & (1 << j)) { newmode = drm_cvt_mode(dev, width, height, rates[j], j == 0, false, false); if (newmode) { drm_mode_probed_add(connector, newmode); modes++; } } } } return modes; } static void do_cvt_mode(struct detailed_timing *timing, void *c) { struct detailed_mode_closure *closure = c; struct detailed_non_pixel *data = &timing->data.other_data; if (data->type == EDID_DETAIL_CVT_3BYTE) closure->modes += drm_cvt_modes(closure->connector, timing); } static int add_cvt_modes(struct drm_connector *connector, struct edid *edid) { struct detailed_mode_closure closure = { connector, edid, 0, 0, 0 }; if (version_greater(edid, 1, 2)) drm_for_each_detailed_block((u8 *)edid, do_cvt_mode, &closure); /* XXX should also look for CVT codes in VTB blocks */ return closure.modes; } static void do_detailed_mode(struct detailed_timing *timing, void *c) { struct detailed_mode_closure *closure = c; struct drm_display_mode *newmode; if (timing->pixel_clock) { newmode = drm_mode_detailed(closure->connector->dev, closure->edid, timing, closure->quirks); if (!newmode) return; if (closure->preferred) newmode->type |= DRM_MODE_TYPE_PREFERRED; drm_mode_probed_add(closure->connector, newmode); closure->modes++; closure->preferred = 0; } } /* * add_detailed_modes - Add modes from detailed timings * @connector: attached connector * @edid: EDID block to scan * @quirks: quirks to apply */ static int add_detailed_modes(struct drm_connector *connector, struct edid *edid, u32 quirks) { struct detailed_mode_closure closure = { connector, edid, 1, quirks, 0 }; if (closure.preferred && !version_greater(edid, 1, 3)) closure.preferred = (edid->features & DRM_EDID_FEATURE_PREFERRED_TIMING); drm_for_each_detailed_block((u8 *)edid, do_detailed_mode, &closure); return closure.modes; } #define HDMI_IDENTIFIER 0x000C03 #define AUDIO_BLOCK 0x01 #define VENDOR_BLOCK 0x03 #define SPEAKER_BLOCK 0x04 #define EDID_BASIC_AUDIO (1 << 6) /** * Search EDID for CEA extension block. */ u8 *drm_find_cea_extension(struct edid *edid) { u8 *edid_ext = NULL; int i; /* No EDID or EDID extensions */ if (edid == NULL || edid->extensions == 0) return NULL; /* Find CEA extension */ for (i = 0; i < edid->extensions; i++) { edid_ext = (u8 *)edid + EDID_LENGTH * (i + 1); if (edid_ext[0] == CEA_EXT) break; } if (i == edid->extensions) return NULL; return edid_ext; } static void parse_hdmi_vsdb(struct drm_connector *connector, uint8_t *db) { connector->eld[5] |= (db[6] >> 7) << 1; /* Supports_AI */ connector->dvi_dual = db[6] & 1; connector->max_tmds_clock = db[7] * 5; connector->latency_present[0] = db[8] >> 7; connector->latency_present[1] = (db[8] >> 6) & 1; connector->video_latency[0] = db[9]; connector->audio_latency[0] = db[10]; connector->video_latency[1] = db[11]; connector->audio_latency[1] = db[12]; DRM_DEBUG_KMS("HDMI: DVI dual %d, " "max TMDS clock %d, " "latency present %d %d, " "video latency %d %d, " "audio latency %d %d\n", connector->dvi_dual, connector->max_tmds_clock, (int) connector->latency_present[0], (int) connector->latency_present[1], connector->video_latency[0], connector->video_latency[1], connector->audio_latency[0], connector->audio_latency[1]); } static void monitor_name(struct detailed_timing *t, void *data) { if (t->data.other_data.type == EDID_DETAIL_MONITOR_NAME) *(u8 **)data = t->data.other_data.data.str.str; } /** * drm_edid_to_eld - build ELD from EDID * @connector: connector corresponding to the HDMI/DP sink * @edid: EDID to parse * * Fill the ELD (EDID-Like Data) buffer for passing to the audio driver. * Some ELD fields are left to the graphics driver caller: * - Conn_Type * - HDCP * - Port_ID */ void drm_edid_to_eld(struct drm_connector *connector, struct edid *edid) { uint8_t *eld = connector->eld; u8 *cea; u8 *name; u8 *db; int sad_count = 0; int mnl; int dbl; memset(eld, 0, sizeof(connector->eld)); cea = drm_find_cea_extension(edid); if (!cea) { DRM_DEBUG_KMS("ELD: no CEA Extension found\n"); return; } name = NULL; drm_for_each_detailed_block((u8 *)edid, monitor_name, &name); for (mnl = 0; name && mnl < 13; mnl++) { if (name[mnl] == 0x0a) break; eld[20 + mnl] = name[mnl]; } eld[4] = (cea[1] << 5) | mnl; DRM_DEBUG_KMS("ELD monitor %s\n", eld + 20); eld[0] = 2 << 3; /* ELD version: 2 */ eld[16] = edid->mfg_id[0]; eld[17] = edid->mfg_id[1]; eld[18] = edid->prod_code[0]; eld[19] = edid->prod_code[1]; for (db = cea + 4; db < cea + cea[2]; db += dbl + 1) { dbl = db[0] & 0x1f; switch ((db[0] & 0xe0) >> 5) { case AUDIO_BLOCK: /* Audio Data Block, contains SADs */ sad_count = dbl / 3; memcpy(eld + 20 + mnl, &db[1], dbl); break; case SPEAKER_BLOCK: /* Speaker Allocation Data Block */ eld[7] = db[1]; break; case VENDOR_BLOCK: /* HDMI Vendor-Specific Data Block */ if (db[1] == 0x03 && db[2] == 0x0c && db[3] == 0) parse_hdmi_vsdb(connector, db); break; default: break; } } eld[5] |= sad_count << 4; eld[2] = (20 + mnl + sad_count * 3 + 3) / 4; DRM_DEBUG_KMS("ELD size %d, SAD count %d\n", (int)eld[2], sad_count); } /** * drm_av_sync_delay - HDMI/DP sink audio-video sync delay in millisecond * @connector: connector associated with the HDMI/DP sink * @mode: the display mode */ int drm_av_sync_delay(struct drm_connector *connector, struct drm_display_mode *mode) { int i = !!(mode->flags & DRM_MODE_FLAG_INTERLACE); int a, v; if (!connector->latency_present[0]) return 0; if (!connector->latency_present[1]) i = 0; a = connector->audio_latency[i]; v = connector->video_latency[i]; /* * HDMI/DP sink doesn't support audio or video? */ if (a == 255 || v == 255) return 0; /* * Convert raw EDID values to millisecond. * Treat unknown latency as 0ms. */ if (a) a = min(2 * (a - 1), 500); if (v) v = min(2 * (v - 1), 500); return max(v - a, 0); } /** * drm_select_eld - select one ELD from multiple HDMI/DP sinks * @encoder: the encoder just changed display mode * @mode: the adjusted display mode * * It's possible for one encoder to be associated with multiple HDMI/DP sinks. * The policy is now hard coded to simply use the first HDMI/DP sink's ELD. */ struct drm_connector *drm_select_eld(struct drm_encoder *encoder, struct drm_display_mode *mode) { struct drm_connector *connector; struct drm_device *dev = encoder->dev; list_for_each_entry(connector, &dev->mode_config.connector_list, head) if (connector->encoder == encoder && connector->eld[0]) return connector; return NULL; } /** * drm_detect_hdmi_monitor - detect whether monitor is hdmi. * @edid: monitor EDID information * * Parse the CEA extension according to CEA-861-B. * Return true if HDMI, false if not or unknown. */ bool drm_detect_hdmi_monitor(struct edid *edid) { u8 *edid_ext; int i, hdmi_id; int start_offset, end_offset; bool is_hdmi = false; edid_ext = drm_find_cea_extension(edid); if (!edid_ext) goto end; /* Data block offset in CEA extension block */ start_offset = 4; end_offset = edid_ext[2]; /* * Because HDMI identifier is in Vendor Specific Block, * search it from all data blocks of CEA extension. */ for (i = start_offset; i < end_offset; /* Increased by data block len */ i += ((edid_ext[i] & 0x1f) + 1)) { /* Find vendor specific block */ if ((edid_ext[i] >> 5) == VENDOR_BLOCK) { hdmi_id = edid_ext[i + 1] | (edid_ext[i + 2] << 8) | edid_ext[i + 3] << 16; /* Find HDMI identifier */ if (hdmi_id == HDMI_IDENTIFIER) is_hdmi = true; break; } } end: return is_hdmi; } /** * drm_detect_monitor_audio - check monitor audio capability * * Monitor should have CEA extension block. * If monitor has 'basic audio', but no CEA audio blocks, it's 'basic * audio' only. If there is any audio extension block and supported * audio format, assume at least 'basic audio' support, even if 'basic * audio' is not defined in EDID. * */ bool drm_detect_monitor_audio(struct edid *edid) { u8 *edid_ext; int i, j; bool has_audio = false; int start_offset, end_offset; edid_ext = drm_find_cea_extension(edid); if (!edid_ext) goto end; has_audio = ((edid_ext[3] & EDID_BASIC_AUDIO) != 0); if (has_audio) { DRM_DEBUG_KMS("Monitor has basic audio support\n"); goto end; } /* Data block offset in CEA extension block */ start_offset = 4; end_offset = edid_ext[2]; for (i = start_offset; i < end_offset; i += ((edid_ext[i] & 0x1f) + 1)) { if ((edid_ext[i] >> 5) == AUDIO_BLOCK) { has_audio = true; for (j = 1; j < (edid_ext[i] & 0x1f); j += 3) DRM_DEBUG_KMS("CEA audio format %d\n", (edid_ext[i + j] >> 3) & 0xf); goto end; } } end: return has_audio; } /** * drm_add_display_info - pull display info out if present * @edid: EDID data * @info: display info (attached to connector) * * Grab any available display info and stuff it into the drm_display_info * structure that's part of the connector. Useful for tracking bpp and * color spaces. */ static void drm_add_display_info(struct edid *edid, struct drm_display_info *info) { u8 *edid_ext; info->width_mm = edid->width_cm * 10; info->height_mm = edid->height_cm * 10; /* driver figures it out in this case */ info->bpc = 0; info->color_formats = 0; /* Only defined for 1.4 with digital displays */ if (edid->revision < 4) return; if (!(edid->input & DRM_EDID_INPUT_DIGITAL)) return; switch (edid->input & DRM_EDID_DIGITAL_DEPTH_MASK) { case DRM_EDID_DIGITAL_DEPTH_6: info->bpc = 6; break; case DRM_EDID_DIGITAL_DEPTH_8: info->bpc = 8; break; case DRM_EDID_DIGITAL_DEPTH_10: info->bpc = 10; break; case DRM_EDID_DIGITAL_DEPTH_12: info->bpc = 12; break; case DRM_EDID_DIGITAL_DEPTH_14: info->bpc = 14; break; case DRM_EDID_DIGITAL_DEPTH_16: info->bpc = 16; break; case DRM_EDID_DIGITAL_DEPTH_UNDEF: default: info->bpc = 0; break; } info->color_formats = DRM_COLOR_FORMAT_RGB444; if (info->color_formats & DRM_EDID_FEATURE_RGB_YCRCB444) info->color_formats = DRM_COLOR_FORMAT_YCRCB444; if (info->color_formats & DRM_EDID_FEATURE_RGB_YCRCB422) info->color_formats = DRM_COLOR_FORMAT_YCRCB422; /* Get data from CEA blocks if present */ edid_ext = drm_find_cea_extension(edid); if (!edid_ext) return; info->cea_rev = edid_ext[1]; } /** * drm_add_edid_modes - add modes from EDID data, if available * @connector: connector we're probing * @edid: edid data * * Add the specified modes to the connector's mode list. * * Return number of modes added or 0 if we couldn't find any. */ int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid) { int num_modes = 0; u32 quirks; if (edid == NULL) { return 0; } if (!drm_edid_is_valid(edid)) { device_printf(connector->dev->device, "%s: EDID invalid.\n", drm_get_connector_name(connector)); return 0; } quirks = edid_get_quirks(edid); /* * EDID spec says modes should be preferred in this order: * - preferred detailed mode * - other detailed modes from base block * - detailed modes from extension blocks * - CVT 3-byte code modes * - standard timing codes * - established timing codes * - modes inferred from GTF or CVT range information * * We get this pretty much right. * * XXX order for additional mode types in extension blocks? */ num_modes += add_detailed_modes(connector, edid, quirks); num_modes += add_cvt_modes(connector, edid); num_modes += add_standard_modes(connector, edid); num_modes += add_established_modes(connector, edid); num_modes += add_inferred_modes(connector, edid); if (quirks & (EDID_QUIRK_PREFER_LARGE_60 | EDID_QUIRK_PREFER_LARGE_75)) edid_fixup_preferred(connector, quirks); drm_add_display_info(edid, &connector->display_info); return num_modes; } /** * drm_add_modes_noedid - add modes for the connectors without EDID * @connector: connector we're probing * @hdisplay: the horizontal display limit * @vdisplay: the vertical display limit * * Add the specified modes to the connector's mode list. Only when the * hdisplay/vdisplay is not beyond the given limit, it will be added. * * Return number of modes added or 0 if we couldn't find any. */ int drm_add_modes_noedid(struct drm_connector *connector, int hdisplay, int vdisplay) { int i, count, num_modes = 0; struct drm_display_mode *mode; struct drm_device *dev = connector->dev; count = sizeof(drm_dmt_modes) / sizeof(struct drm_display_mode); if (hdisplay < 0) hdisplay = 0; if (vdisplay < 0) vdisplay = 0; for (i = 0; i < count; i++) { struct drm_display_mode *ptr = &drm_dmt_modes[i]; if (hdisplay && vdisplay) { /* * Only when two are valid, they will be used to check * whether the mode should be added to the mode list of * the connector. */ if (ptr->hdisplay > hdisplay || ptr->vdisplay > vdisplay) continue; } if (drm_mode_vrefresh(ptr) > 61) continue; mode = drm_mode_duplicate(dev, ptr); if (mode) { drm_mode_probed_add(connector, mode); num_modes++; } } return num_modes; } Index: head/sys/dev/drm2/radeon/radeon_connectors.c =================================================================== --- head/sys/dev/drm2/radeon/radeon_connectors.c (revision 273961) +++ head/sys/dev/drm2/radeon/radeon_connectors.c (revision 273962) @@ -1,2040 +1,2040 @@ /* * Copyright 2007-8 Advanced Micro Devices, Inc. * Copyright 2008 Red Hat Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * * Authors: Dave Airlie * Alex Deucher */ #include __FBSDID("$FreeBSD$"); #include #include #include #include #include #include "radeon.h" #include "atom.h" void radeon_connector_hotplug(struct drm_connector *connector) { struct drm_device *dev = connector->dev; struct radeon_device *rdev = dev->dev_private; struct radeon_connector *radeon_connector = to_radeon_connector(connector); /* bail if the connector does not have hpd pin, e.g., * VGA, TV, etc. */ if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) return; radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd); /* if the connector is already off, don't turn it back on */ if (connector->dpms != DRM_MODE_DPMS_ON) return; /* just deal with DP (not eDP) here. */ if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) { struct radeon_connector_atom_dig *dig_connector = radeon_connector->con_priv; /* if existing sink type was not DP no need to retrain */ if (dig_connector->dp_sink_type != CONNECTOR_OBJECT_ID_DISPLAYPORT) return; /* first get sink type as it may be reset after (un)plug */ dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector); /* don't do anything if sink is not display port, i.e., * passive dp->(dvi|hdmi) adaptor */ if (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) { int saved_dpms = connector->dpms; /* Only turn off the display if it's physically disconnected */ if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) { drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF); } else if (radeon_dp_needs_link_train(radeon_connector)) { /* set it to OFF so that drm_helper_connector_dpms() * won't return immediately since the current state * is ON at this point. */ connector->dpms = DRM_MODE_DPMS_OFF; drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON); } connector->dpms = saved_dpms; } } } static void radeon_property_change_mode(struct drm_encoder *encoder) { struct drm_crtc *crtc = encoder->crtc; if (crtc && crtc->enabled) { drm_crtc_helper_set_mode(crtc, &crtc->mode, crtc->x, crtc->y, crtc->fb); } } int radeon_get_monitor_bpc(struct drm_connector *connector) { struct drm_device *dev = connector->dev; struct radeon_device *rdev = dev->dev_private; struct radeon_connector *radeon_connector = to_radeon_connector(connector); struct radeon_connector_atom_dig *dig_connector; int bpc = 8; switch (connector->connector_type) { case DRM_MODE_CONNECTOR_DVII: case DRM_MODE_CONNECTOR_HDMIB: if (radeon_connector->use_digital) { if (drm_detect_hdmi_monitor(radeon_connector->edid)) { if (connector->display_info.bpc) bpc = connector->display_info.bpc; } } break; case DRM_MODE_CONNECTOR_DVID: case DRM_MODE_CONNECTOR_HDMIA: if (drm_detect_hdmi_monitor(radeon_connector->edid)) { if (connector->display_info.bpc) bpc = connector->display_info.bpc; } break; case DRM_MODE_CONNECTOR_DisplayPort: dig_connector = radeon_connector->con_priv; if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) || (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) || drm_detect_hdmi_monitor(radeon_connector->edid)) { if (connector->display_info.bpc) bpc = connector->display_info.bpc; } break; case DRM_MODE_CONNECTOR_eDP: case DRM_MODE_CONNECTOR_LVDS: if (connector->display_info.bpc) bpc = connector->display_info.bpc; else if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev)) { struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; struct drm_encoder *encoder = connector_funcs->best_encoder(connector); struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; if (dig->lcd_misc & ATOM_PANEL_MISC_V13_6BIT_PER_COLOR) bpc = 6; else if (dig->lcd_misc & ATOM_PANEL_MISC_V13_8BIT_PER_COLOR) bpc = 8; } break; } return bpc; } static void radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status) { struct drm_device *dev = connector->dev; struct radeon_device *rdev = dev->dev_private; struct drm_encoder *best_encoder = NULL; struct drm_encoder *encoder = NULL; struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; struct drm_mode_object *obj; bool connected; int i; best_encoder = connector_funcs->best_encoder(connector); for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { if (connector->encoder_ids[i] == 0) break; obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER); if (!obj) continue; encoder = obj_to_encoder(obj); if ((encoder == best_encoder) && (status == connector_status_connected)) connected = true; else connected = false; if (rdev->is_atom_bios) radeon_atombios_connected_scratch_regs(connector, encoder, connected); else radeon_combios_connected_scratch_regs(connector, encoder, connected); } } static struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type) { struct drm_mode_object *obj; struct drm_encoder *encoder; int i; for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { if (connector->encoder_ids[i] == 0) break; obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER); if (!obj) continue; encoder = obj_to_encoder(obj); if (encoder->encoder_type == encoder_type) return encoder; } return NULL; } static struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector) { int enc_id = connector->encoder_ids[0]; struct drm_mode_object *obj; struct drm_encoder *encoder; /* pick the encoder ids */ if (enc_id) { obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER); if (!obj) return NULL; encoder = obj_to_encoder(obj); return encoder; } return NULL; } /* * radeon_connector_analog_encoder_conflict_solve * - search for other connectors sharing this encoder * if priority is true, then set them disconnected if this is connected * if priority is false, set us disconnected if they are connected */ static enum drm_connector_status radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector, struct drm_encoder *encoder, enum drm_connector_status current_status, bool priority) { struct drm_device *dev = connector->dev; struct drm_connector *conflict; struct radeon_connector *radeon_conflict; int i; list_for_each_entry(conflict, &dev->mode_config.connector_list, head) { if (conflict == connector) continue; radeon_conflict = to_radeon_connector(conflict); for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { if (conflict->encoder_ids[i] == 0) break; /* if the IDs match */ if (conflict->encoder_ids[i] == encoder->base.id) { if (conflict->status != connector_status_connected) continue; if (radeon_conflict->use_digital) continue; if (priority == true) { DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n", drm_get_connector_name(conflict)); DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(connector)); conflict->status = connector_status_disconnected; radeon_connector_update_scratch_regs(conflict, connector_status_disconnected); } else { DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n", drm_get_connector_name(connector)); DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(conflict)); current_status = connector_status_disconnected; } break; } } } return current_status; } static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder) { struct drm_device *dev = encoder->dev; struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); struct drm_display_mode *mode = NULL; struct drm_display_mode *native_mode = &radeon_encoder->native_mode; if (native_mode->hdisplay != 0 && native_mode->vdisplay != 0 && native_mode->clock != 0) { mode = drm_mode_duplicate(dev, native_mode); mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER; drm_mode_set_name(mode); DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name); } else if (native_mode->hdisplay != 0 && native_mode->vdisplay != 0) { /* mac laptops without an edid */ /* Note that this is not necessarily the exact panel mode, * but an approximation based on the cvt formula. For these * systems we should ideally read the mode info out of the * registers or add a mode table, but this works and is much * simpler. */ mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false); mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER; DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name); } return mode; } static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector) { struct drm_device *dev = encoder->dev; struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); struct drm_display_mode *mode = NULL; struct drm_display_mode *native_mode = &radeon_encoder->native_mode; int i; struct mode_size { int w; int h; } common_modes[17] = { { 640, 480}, { 720, 480}, { 800, 600}, { 848, 480}, {1024, 768}, {1152, 768}, {1280, 720}, {1280, 800}, {1280, 854}, {1280, 960}, {1280, 1024}, {1440, 900}, {1400, 1050}, {1680, 1050}, {1600, 1200}, {1920, 1080}, {1920, 1200} }; for (i = 0; i < 17; i++) { if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) { if (common_modes[i].w > 1024 || common_modes[i].h > 768) continue; } if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) { if (common_modes[i].w > native_mode->hdisplay || common_modes[i].h > native_mode->vdisplay || (common_modes[i].w == native_mode->hdisplay && common_modes[i].h == native_mode->vdisplay)) continue; } if (common_modes[i].w < 320 || common_modes[i].h < 200) continue; mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false); drm_mode_probed_add(connector, mode); } } static int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property, uint64_t val) { struct drm_device *dev = connector->dev; struct radeon_device *rdev = dev->dev_private; struct drm_encoder *encoder; struct radeon_encoder *radeon_encoder; if (property == rdev->mode_info.coherent_mode_property) { struct radeon_encoder_atom_dig *dig; bool new_coherent_mode; /* need to find digital encoder on connector */ encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); if (!encoder) return 0; radeon_encoder = to_radeon_encoder(encoder); if (!radeon_encoder->enc_priv) return 0; dig = radeon_encoder->enc_priv; new_coherent_mode = val ? true : false; if (dig->coherent_mode != new_coherent_mode) { dig->coherent_mode = new_coherent_mode; radeon_property_change_mode(&radeon_encoder->base); } } if (property == rdev->mode_info.underscan_property) { /* need to find digital encoder on connector */ encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); if (!encoder) return 0; radeon_encoder = to_radeon_encoder(encoder); if (radeon_encoder->underscan_type != val) { radeon_encoder->underscan_type = val; radeon_property_change_mode(&radeon_encoder->base); } } if (property == rdev->mode_info.underscan_hborder_property) { /* need to find digital encoder on connector */ encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); if (!encoder) return 0; radeon_encoder = to_radeon_encoder(encoder); if (radeon_encoder->underscan_hborder != val) { radeon_encoder->underscan_hborder = val; radeon_property_change_mode(&radeon_encoder->base); } } if (property == rdev->mode_info.underscan_vborder_property) { /* need to find digital encoder on connector */ encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); if (!encoder) return 0; radeon_encoder = to_radeon_encoder(encoder); if (radeon_encoder->underscan_vborder != val) { radeon_encoder->underscan_vborder = val; radeon_property_change_mode(&radeon_encoder->base); } } if (property == rdev->mode_info.tv_std_property) { encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC); if (!encoder) { encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC); } if (!encoder) return 0; radeon_encoder = to_radeon_encoder(encoder); if (!radeon_encoder->enc_priv) return 0; if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) { struct radeon_encoder_atom_dac *dac_int; dac_int = radeon_encoder->enc_priv; dac_int->tv_std = val; } else { struct radeon_encoder_tv_dac *dac_int; dac_int = radeon_encoder->enc_priv; dac_int->tv_std = val; } radeon_property_change_mode(&radeon_encoder->base); } if (property == rdev->mode_info.load_detect_property) { struct radeon_connector *radeon_connector = to_radeon_connector(connector); if (val == 0) radeon_connector->dac_load_detect = false; else radeon_connector->dac_load_detect = true; } if (property == rdev->mode_info.tmds_pll_property) { struct radeon_encoder_int_tmds *tmds = NULL; bool ret = false; /* need to find digital encoder on connector */ encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS); if (!encoder) return 0; radeon_encoder = to_radeon_encoder(encoder); tmds = radeon_encoder->enc_priv; if (!tmds) return 0; if (val == 0) { if (rdev->is_atom_bios) ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds); else ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds); } if (val == 1 || ret == false) { radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds); } radeon_property_change_mode(&radeon_encoder->base); } return 0; } static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder, struct drm_connector *connector) { struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); struct drm_display_mode *native_mode = &radeon_encoder->native_mode; struct drm_display_mode *t, *mode; /* If the EDID preferred mode doesn't match the native mode, use it */ list_for_each_entry_safe(mode, t, &connector->probed_modes, head) { if (mode->type & DRM_MODE_TYPE_PREFERRED) { if (mode->hdisplay != native_mode->hdisplay || mode->vdisplay != native_mode->vdisplay) memcpy(native_mode, mode, sizeof(*mode)); } } /* Try to get native mode details from EDID if necessary */ if (!native_mode->clock) { list_for_each_entry_safe(mode, t, &connector->probed_modes, head) { if (mode->hdisplay == native_mode->hdisplay && mode->vdisplay == native_mode->vdisplay) { *native_mode = *mode; drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V); DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n"); break; } } } if (!native_mode->clock) { DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n"); radeon_encoder->rmx_type = RMX_OFF; } } static int radeon_lvds_get_modes(struct drm_connector *connector) { struct radeon_connector *radeon_connector = to_radeon_connector(connector); struct drm_encoder *encoder; int ret = 0; struct drm_display_mode *mode; if (radeon_connector->ddc_bus) { ret = radeon_ddc_get_modes(radeon_connector); if (ret > 0) { encoder = radeon_best_single_encoder(connector); if (encoder) { radeon_fixup_lvds_native_mode(encoder, connector); /* add scaled modes */ radeon_add_common_modes(encoder, connector); } return ret; } } encoder = radeon_best_single_encoder(connector); if (!encoder) return 0; /* we have no EDID modes */ mode = radeon_fp_native_mode(encoder); if (mode) { ret = 1; drm_mode_probed_add(connector, mode); /* add the width/height from vbios tables if available */ connector->display_info.width_mm = mode->width_mm; connector->display_info.height_mm = mode->height_mm; /* add scaled modes */ radeon_add_common_modes(encoder, connector); } return ret; } static int radeon_lvds_mode_valid(struct drm_connector *connector, struct drm_display_mode *mode) { struct drm_encoder *encoder = radeon_best_single_encoder(connector); if ((mode->hdisplay < 320) || (mode->vdisplay < 240)) return MODE_PANEL; if (encoder) { struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); struct drm_display_mode *native_mode = &radeon_encoder->native_mode; /* AVIVO hardware supports downscaling modes larger than the panel * to the panel size, but I'm not sure this is desirable. */ if ((mode->hdisplay > native_mode->hdisplay) || (mode->vdisplay > native_mode->vdisplay)) return MODE_PANEL; /* if scaling is disabled, block non-native modes */ if (radeon_encoder->rmx_type == RMX_OFF) { if ((mode->hdisplay != native_mode->hdisplay) || (mode->vdisplay != native_mode->vdisplay)) return MODE_PANEL; } } return MODE_OK; } static enum drm_connector_status radeon_lvds_detect(struct drm_connector *connector, bool force) { struct radeon_connector *radeon_connector = to_radeon_connector(connector); struct drm_encoder *encoder = radeon_best_single_encoder(connector); enum drm_connector_status ret = connector_status_disconnected; if (encoder) { struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); struct drm_display_mode *native_mode = &radeon_encoder->native_mode; /* check if panel is valid */ if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240) ret = connector_status_connected; } /* check for edid as well */ if (radeon_connector->edid) ret = connector_status_connected; else { if (radeon_connector->ddc_bus) { radeon_connector->edid = drm_get_edid(&radeon_connector->base, radeon_connector->ddc_bus->adapter); if (radeon_connector->edid) ret = connector_status_connected; } } /* check acpi lid status ??? */ radeon_connector_update_scratch_regs(connector, ret); return ret; } static void radeon_connector_destroy(struct drm_connector *connector) { struct radeon_connector *radeon_connector = to_radeon_connector(connector); if (radeon_connector->edid) free(radeon_connector->edid, DRM_MEM_KMS); free(radeon_connector->con_priv, DRM_MEM_DRIVER); #ifdef DUMBBELL_WIP drm_sysfs_connector_remove(connector); #endif /* DUMBBELL_WIP */ drm_connector_cleanup(connector); free(connector, DRM_MEM_DRIVER); } static int radeon_lvds_set_property(struct drm_connector *connector, struct drm_property *property, uint64_t value) { struct drm_device *dev = connector->dev; struct radeon_encoder *radeon_encoder; enum radeon_rmx_type rmx_type; DRM_DEBUG_KMS("\n"); if (property != dev->mode_config.scaling_mode_property) return 0; if (connector->encoder) radeon_encoder = to_radeon_encoder(connector->encoder); else { struct drm_connector_helper_funcs *connector_funcs = connector->helper_private; radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector)); } switch (value) { case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break; case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break; case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break; default: case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break; } if (radeon_encoder->rmx_type == rmx_type) return 0; radeon_encoder->rmx_type = rmx_type; radeon_property_change_mode(&radeon_encoder->base); return 0; } static const struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = { .get_modes = radeon_lvds_get_modes, .mode_valid = radeon_lvds_mode_valid, .best_encoder = radeon_best_single_encoder, }; static const struct drm_connector_funcs radeon_lvds_connector_funcs = { .dpms = drm_helper_connector_dpms, .detect = radeon_lvds_detect, .fill_modes = drm_helper_probe_single_connector_modes, .destroy = radeon_connector_destroy, .set_property = radeon_lvds_set_property, }; static int radeon_vga_get_modes(struct drm_connector *connector) { struct radeon_connector *radeon_connector = to_radeon_connector(connector); int ret; ret = radeon_ddc_get_modes(radeon_connector); return ret; } static int radeon_vga_mode_valid(struct drm_connector *connector, struct drm_display_mode *mode) { struct drm_device *dev = connector->dev; struct radeon_device *rdev = dev->dev_private; /* XXX check mode bandwidth */ if ((mode->clock / 10) > rdev->clock.max_pixel_clock) return MODE_CLOCK_HIGH; return MODE_OK; } static enum drm_connector_status radeon_vga_detect(struct drm_connector *connector, bool force) { struct drm_device *dev = connector->dev; struct radeon_device *rdev = dev->dev_private; struct radeon_connector *radeon_connector = to_radeon_connector(connector); struct drm_encoder *encoder; struct drm_encoder_helper_funcs *encoder_funcs; bool dret = false; enum drm_connector_status ret = connector_status_disconnected; encoder = radeon_best_single_encoder(connector); if (!encoder) ret = connector_status_disconnected; if (radeon_connector->ddc_bus) dret = radeon_ddc_probe(radeon_connector, false); if (dret) { radeon_connector->detected_by_load = false; if (radeon_connector->edid) { free(radeon_connector->edid, DRM_MEM_KMS); radeon_connector->edid = NULL; } radeon_connector->edid = drm_get_edid(&radeon_connector->base, radeon_connector->ddc_bus->adapter); if (!radeon_connector->edid) { - DRM_ERROR("%s: probed a monitor but no|invalid EDID\n", + DRM_DEBUG_KMS("%s: probed a monitor but no|invalid EDID\n", drm_get_connector_name(connector)); ret = connector_status_connected; } else { radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL); /* some oems have boards with separate digital and analog connectors * with a shared ddc line (often vga + hdmi) */ if (radeon_connector->use_digital && radeon_connector->shared_ddc) { free(radeon_connector->edid, DRM_MEM_KMS); radeon_connector->edid = NULL; ret = connector_status_disconnected; } else ret = connector_status_connected; } } else { /* if we aren't forcing don't do destructive polling */ if (!force) { /* only return the previous status if we last * detected a monitor via load. */ if (radeon_connector->detected_by_load) return connector->status; else return ret; } if (radeon_connector->dac_load_detect && encoder) { encoder_funcs = encoder->helper_private; ret = encoder_funcs->detect(encoder, connector); if (ret != connector_status_disconnected) radeon_connector->detected_by_load = true; } } if (ret == connector_status_connected) ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true); /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the * vbios to deal with KVMs. If we have one and are not able to detect a monitor * by other means, assume the CRT is connected and use that EDID. */ if ((!rdev->is_atom_bios) && (ret == connector_status_disconnected) && rdev->mode_info.bios_hardcoded_edid_size) { ret = connector_status_connected; } radeon_connector_update_scratch_regs(connector, ret); return ret; } static const struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = { .get_modes = radeon_vga_get_modes, .mode_valid = radeon_vga_mode_valid, .best_encoder = radeon_best_single_encoder, }; static const struct drm_connector_funcs radeon_vga_connector_funcs = { .dpms = drm_helper_connector_dpms, .detect = radeon_vga_detect, .fill_modes = drm_helper_probe_single_connector_modes, .destroy = radeon_connector_destroy, .set_property = radeon_connector_set_property, }; static int radeon_tv_get_modes(struct drm_connector *connector) { struct drm_device *dev = connector->dev; struct radeon_device *rdev = dev->dev_private; struct drm_display_mode *tv_mode; struct drm_encoder *encoder; encoder = radeon_best_single_encoder(connector); if (!encoder) return 0; /* avivo chips can scale any mode */ if (rdev->family >= CHIP_RS600) /* add scaled modes */ radeon_add_common_modes(encoder, connector); else { /* only 800x600 is supported right now on pre-avivo chips */ tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false); tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED; drm_mode_probed_add(connector, tv_mode); } return 1; } static int radeon_tv_mode_valid(struct drm_connector *connector, struct drm_display_mode *mode) { if ((mode->hdisplay > 1024) || (mode->vdisplay > 768)) return MODE_CLOCK_RANGE; return MODE_OK; } static enum drm_connector_status radeon_tv_detect(struct drm_connector *connector, bool force) { struct drm_encoder *encoder; struct drm_encoder_helper_funcs *encoder_funcs; struct radeon_connector *radeon_connector = to_radeon_connector(connector); enum drm_connector_status ret = connector_status_disconnected; if (!radeon_connector->dac_load_detect) return ret; encoder = radeon_best_single_encoder(connector); if (!encoder) ret = connector_status_disconnected; else { encoder_funcs = encoder->helper_private; ret = encoder_funcs->detect(encoder, connector); } if (ret == connector_status_connected) ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false); radeon_connector_update_scratch_regs(connector, ret); return ret; } static const struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = { .get_modes = radeon_tv_get_modes, .mode_valid = radeon_tv_mode_valid, .best_encoder = radeon_best_single_encoder, }; static const struct drm_connector_funcs radeon_tv_connector_funcs = { .dpms = drm_helper_connector_dpms, .detect = radeon_tv_detect, .fill_modes = drm_helper_probe_single_connector_modes, .destroy = radeon_connector_destroy, .set_property = radeon_connector_set_property, }; static int radeon_dvi_get_modes(struct drm_connector *connector) { struct radeon_connector *radeon_connector = to_radeon_connector(connector); int ret; ret = radeon_ddc_get_modes(radeon_connector); return ret; } static bool radeon_check_hpd_status_unchanged(struct drm_connector *connector) { struct drm_device *dev = connector->dev; struct radeon_device *rdev = dev->dev_private; struct radeon_connector *radeon_connector = to_radeon_connector(connector); enum drm_connector_status status; /* We only trust HPD on R600 and newer ASICS. */ if (rdev->family >= CHIP_R600 && radeon_connector->hpd.hpd != RADEON_HPD_NONE) { if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) status = connector_status_connected; else status = connector_status_disconnected; if (connector->status == status) return true; } return false; } /* * DVI is complicated * Do a DDC probe, if DDC probe passes, get the full EDID so * we can do analog/digital monitor detection at this point. * If the monitor is an analog monitor or we got no DDC, * we need to find the DAC encoder object for this connector. * If we got no DDC, we do load detection on the DAC encoder object. * If we got analog DDC or load detection passes on the DAC encoder * we have to check if this analog encoder is shared with anyone else (TV) * if its shared we have to set the other connector to disconnected. */ static enum drm_connector_status radeon_dvi_detect(struct drm_connector *connector, bool force) { struct drm_device *dev = connector->dev; struct radeon_device *rdev = dev->dev_private; struct radeon_connector *radeon_connector = to_radeon_connector(connector); struct drm_encoder *encoder = NULL; struct drm_encoder_helper_funcs *encoder_funcs; struct drm_mode_object *obj; int i; enum drm_connector_status ret = connector_status_disconnected; bool dret = false, broken_edid = false; if (!force && radeon_check_hpd_status_unchanged(connector)) return connector->status; if (radeon_connector->ddc_bus) dret = radeon_ddc_probe(radeon_connector, false); if (dret) { radeon_connector->detected_by_load = false; if (radeon_connector->edid) { free(radeon_connector->edid, DRM_MEM_KMS); radeon_connector->edid = NULL; } radeon_connector->edid = drm_get_edid(&radeon_connector->base, radeon_connector->ddc_bus->adapter); if (!radeon_connector->edid) { DRM_ERROR("%s: probed a monitor but no|invalid EDID\n", drm_get_connector_name(connector)); /* rs690 seems to have a problem with connectors not existing and always * return a block of 0's. If we see this just stop polling on this output */ if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) && radeon_connector->base.null_edid_counter) { ret = connector_status_disconnected; DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n", drm_get_connector_name(connector)); radeon_connector->ddc_bus = NULL; } else { ret = connector_status_connected; broken_edid = true; /* defer use_digital to later */ } } else { radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL); /* some oems have boards with separate digital and analog connectors * with a shared ddc line (often vga + hdmi) */ if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) { free(radeon_connector->edid, DRM_MEM_KMS); radeon_connector->edid = NULL; ret = connector_status_disconnected; } else ret = connector_status_connected; /* This gets complicated. We have boards with VGA + HDMI with a * shared DDC line and we have boards with DVI-D + HDMI with a shared * DDC line. The latter is more complex because with DVI<->HDMI adapters * you don't really know what's connected to which port as both are digital. */ if (radeon_connector->shared_ddc && (ret == connector_status_connected)) { struct drm_connector *list_connector; struct radeon_connector *list_radeon_connector; list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) { if (connector == list_connector) continue; list_radeon_connector = to_radeon_connector(list_connector); if (list_radeon_connector->shared_ddc && (list_radeon_connector->ddc_bus->rec.i2c_id == radeon_connector->ddc_bus->rec.i2c_id)) { /* cases where both connectors are digital */ if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) { /* hpd is our only option in this case */ if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) { free(radeon_connector->edid, DRM_MEM_KMS); radeon_connector->edid = NULL; ret = connector_status_disconnected; } } } } } } } if ((ret == connector_status_connected) && (radeon_connector->use_digital == true)) goto out; /* DVI-D and HDMI-A are digital only */ if ((connector->connector_type == DRM_MODE_CONNECTOR_DVID) || (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA)) goto out; /* if we aren't forcing don't do destructive polling */ if (!force) { /* only return the previous status if we last * detected a monitor via load. */ if (radeon_connector->detected_by_load) ret = connector->status; goto out; } /* find analog encoder */ if (radeon_connector->dac_load_detect) { for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { if (connector->encoder_ids[i] == 0) break; obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER); if (!obj) continue; encoder = obj_to_encoder(obj); if (encoder->encoder_type != DRM_MODE_ENCODER_DAC && encoder->encoder_type != DRM_MODE_ENCODER_TVDAC) continue; encoder_funcs = encoder->helper_private; if (encoder_funcs->detect) { if (!broken_edid) { if (ret != connector_status_connected) { /* deal with analog monitors without DDC */ ret = encoder_funcs->detect(encoder, connector); if (ret == connector_status_connected) { radeon_connector->use_digital = false; } if (ret != connector_status_disconnected) radeon_connector->detected_by_load = true; } } else { enum drm_connector_status lret; /* assume digital unless load detected otherwise */ radeon_connector->use_digital = true; lret = encoder_funcs->detect(encoder, connector); DRM_DEBUG_KMS("load_detect %x returned: %x\n",encoder->encoder_type,lret); if (lret == connector_status_connected) radeon_connector->use_digital = false; } break; } } } if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) && encoder) { ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true); } /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the * vbios to deal with KVMs. If we have one and are not able to detect a monitor * by other means, assume the DFP is connected and use that EDID. In most * cases the DVI port is actually a virtual KVM port connected to the service * processor. */ out: if ((!rdev->is_atom_bios) && (ret == connector_status_disconnected) && rdev->mode_info.bios_hardcoded_edid_size) { radeon_connector->use_digital = true; ret = connector_status_connected; } /* updated in get modes as well since we need to know if it's analog or digital */ radeon_connector_update_scratch_regs(connector, ret); return ret; } /* okay need to be smart in here about which encoder to pick */ static struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector) { int enc_id = connector->encoder_ids[0]; struct radeon_connector *radeon_connector = to_radeon_connector(connector); struct drm_mode_object *obj; struct drm_encoder *encoder; int i; for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { if (connector->encoder_ids[i] == 0) break; obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER); if (!obj) continue; encoder = obj_to_encoder(obj); if (radeon_connector->use_digital == true) { if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS) return encoder; } else { if (encoder->encoder_type == DRM_MODE_ENCODER_DAC || encoder->encoder_type == DRM_MODE_ENCODER_TVDAC) return encoder; } } /* see if we have a default encoder TODO */ /* then check use digitial */ /* pick the first one */ if (enc_id) { obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER); if (!obj) return NULL; encoder = obj_to_encoder(obj); return encoder; } return NULL; } static void radeon_dvi_force(struct drm_connector *connector) { struct radeon_connector *radeon_connector = to_radeon_connector(connector); if (connector->force == DRM_FORCE_ON) radeon_connector->use_digital = false; if (connector->force == DRM_FORCE_ON_DIGITAL) radeon_connector->use_digital = true; } static int radeon_dvi_mode_valid(struct drm_connector *connector, struct drm_display_mode *mode) { struct drm_device *dev = connector->dev; struct radeon_device *rdev = dev->dev_private; struct radeon_connector *radeon_connector = to_radeon_connector(connector); /* XXX check mode bandwidth */ /* clocks over 135 MHz have heat issues with DVI on RV100 */ if (radeon_connector->use_digital && (rdev->family == CHIP_RV100) && (mode->clock > 135000)) return MODE_CLOCK_HIGH; if (radeon_connector->use_digital && (mode->clock > 165000)) { if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) || (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) || (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B)) return MODE_OK; else if (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_A) { if (ASIC_IS_DCE6(rdev)) { /* HDMI 1.3+ supports max clock of 340 Mhz */ if (mode->clock > 340000) return MODE_CLOCK_HIGH; else return MODE_OK; } else return MODE_CLOCK_HIGH; } else return MODE_CLOCK_HIGH; } /* check against the max pixel clock */ if ((mode->clock / 10) > rdev->clock.max_pixel_clock) return MODE_CLOCK_HIGH; return MODE_OK; } static const struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = { .get_modes = radeon_dvi_get_modes, .mode_valid = radeon_dvi_mode_valid, .best_encoder = radeon_dvi_encoder, }; static const struct drm_connector_funcs radeon_dvi_connector_funcs = { .dpms = drm_helper_connector_dpms, .detect = radeon_dvi_detect, .fill_modes = drm_helper_probe_single_connector_modes, .set_property = radeon_connector_set_property, .destroy = radeon_connector_destroy, .force = radeon_dvi_force, }; static void radeon_dp_connector_destroy(struct drm_connector *connector) { struct radeon_connector *radeon_connector = to_radeon_connector(connector); struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv; if (radeon_connector->edid) free(radeon_connector->edid, DRM_MEM_KMS); if (radeon_dig_connector->dp_i2c_bus) radeon_i2c_destroy(radeon_dig_connector->dp_i2c_bus); free(radeon_connector->con_priv, DRM_MEM_DRIVER); #ifdef DUMBBELL_WIP drm_sysfs_connector_remove(connector); #endif /* DUMBBELL_WIP */ drm_connector_cleanup(connector); free(connector, DRM_MEM_DRIVER); } static int radeon_dp_get_modes(struct drm_connector *connector) { struct radeon_connector *radeon_connector = to_radeon_connector(connector); struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv; struct drm_encoder *encoder = radeon_best_single_encoder(connector); int ret; if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) || (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) { struct drm_display_mode *mode; if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) { if (!radeon_dig_connector->edp_on) atombios_set_edp_panel_power(connector, ATOM_TRANSMITTER_ACTION_POWER_ON); ret = radeon_ddc_get_modes(radeon_connector); if (!radeon_dig_connector->edp_on) atombios_set_edp_panel_power(connector, ATOM_TRANSMITTER_ACTION_POWER_OFF); } else { /* need to setup ddc on the bridge */ if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) != ENCODER_OBJECT_ID_NONE) { if (encoder) radeon_atom_ext_encoder_setup_ddc(encoder); } ret = radeon_ddc_get_modes(radeon_connector); } if (ret > 0) { if (encoder) { radeon_fixup_lvds_native_mode(encoder, connector); /* add scaled modes */ radeon_add_common_modes(encoder, connector); } return ret; } if (!encoder) return 0; /* we have no EDID modes */ mode = radeon_fp_native_mode(encoder); if (mode) { ret = 1; drm_mode_probed_add(connector, mode); /* add the width/height from vbios tables if available */ connector->display_info.width_mm = mode->width_mm; connector->display_info.height_mm = mode->height_mm; /* add scaled modes */ radeon_add_common_modes(encoder, connector); } } else { /* need to setup ddc on the bridge */ if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) != ENCODER_OBJECT_ID_NONE) { if (encoder) radeon_atom_ext_encoder_setup_ddc(encoder); } ret = radeon_ddc_get_modes(radeon_connector); } return ret; } u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector) { struct drm_mode_object *obj; struct drm_encoder *encoder; struct radeon_encoder *radeon_encoder; int i; for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { if (connector->encoder_ids[i] == 0) break; obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER); if (!obj) continue; encoder = obj_to_encoder(obj); radeon_encoder = to_radeon_encoder(encoder); switch (radeon_encoder->encoder_id) { case ENCODER_OBJECT_ID_TRAVIS: case ENCODER_OBJECT_ID_NUTMEG: return radeon_encoder->encoder_id; default: break; } } return ENCODER_OBJECT_ID_NONE; } bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector) { struct drm_mode_object *obj; struct drm_encoder *encoder; struct radeon_encoder *radeon_encoder; int i; bool found = false; for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { if (connector->encoder_ids[i] == 0) break; obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER); if (!obj) continue; encoder = obj_to_encoder(obj); radeon_encoder = to_radeon_encoder(encoder); if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2) found = true; } return found; } bool radeon_connector_is_dp12_capable(struct drm_connector *connector) { struct drm_device *dev = connector->dev; struct radeon_device *rdev = dev->dev_private; if (ASIC_IS_DCE5(rdev) && (rdev->clock.dp_extclk >= 53900) && radeon_connector_encoder_is_hbr2(connector)) { return true; } return false; } static enum drm_connector_status radeon_dp_detect(struct drm_connector *connector, bool force) { struct drm_device *dev = connector->dev; struct radeon_device *rdev = dev->dev_private; struct radeon_connector *radeon_connector = to_radeon_connector(connector); enum drm_connector_status ret = connector_status_disconnected; struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv; struct drm_encoder *encoder = radeon_best_single_encoder(connector); if (!force && radeon_check_hpd_status_unchanged(connector)) return connector->status; if (radeon_connector->edid) { free(radeon_connector->edid, DRM_MEM_KMS); radeon_connector->edid = NULL; } if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) || (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) { if (encoder) { struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); struct drm_display_mode *native_mode = &radeon_encoder->native_mode; /* check if panel is valid */ if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240) ret = connector_status_connected; } /* eDP is always DP */ radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT; if (!radeon_dig_connector->edp_on) atombios_set_edp_panel_power(connector, ATOM_TRANSMITTER_ACTION_POWER_ON); if (radeon_dp_getdpcd(radeon_connector)) ret = connector_status_connected; if (!radeon_dig_connector->edp_on) atombios_set_edp_panel_power(connector, ATOM_TRANSMITTER_ACTION_POWER_OFF); } else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) != ENCODER_OBJECT_ID_NONE) { /* DP bridges are always DP */ radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT; /* get the DPCD from the bridge */ radeon_dp_getdpcd(radeon_connector); if (encoder) { /* setup ddc on the bridge */ radeon_atom_ext_encoder_setup_ddc(encoder); /* bridge chips are always aux */ if (radeon_ddc_probe(radeon_connector, true)) /* try DDC */ ret = connector_status_connected; else if (radeon_connector->dac_load_detect) { /* try load detection */ struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private; ret = encoder_funcs->detect(encoder, connector); } } } else { radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector); if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) { ret = connector_status_connected; if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) radeon_dp_getdpcd(radeon_connector); } else { if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) { if (radeon_dp_getdpcd(radeon_connector)) ret = connector_status_connected; } else { /* try non-aux ddc (DP to DVI/HMDI/etc. adapter) */ if (radeon_ddc_probe(radeon_connector, false)) ret = connector_status_connected; } } } radeon_connector_update_scratch_regs(connector, ret); return ret; } static int radeon_dp_mode_valid(struct drm_connector *connector, struct drm_display_mode *mode) { struct radeon_connector *radeon_connector = to_radeon_connector(connector); struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv; /* XXX check mode bandwidth */ if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) || (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) { struct drm_encoder *encoder = radeon_best_single_encoder(connector); if ((mode->hdisplay < 320) || (mode->vdisplay < 240)) return MODE_PANEL; if (encoder) { struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); struct drm_display_mode *native_mode = &radeon_encoder->native_mode; /* AVIVO hardware supports downscaling modes larger than the panel * to the panel size, but I'm not sure this is desirable. */ if ((mode->hdisplay > native_mode->hdisplay) || (mode->vdisplay > native_mode->vdisplay)) return MODE_PANEL; /* if scaling is disabled, block non-native modes */ if (radeon_encoder->rmx_type == RMX_OFF) { if ((mode->hdisplay != native_mode->hdisplay) || (mode->vdisplay != native_mode->vdisplay)) return MODE_PANEL; } } return MODE_OK; } else { if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) || (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) return radeon_dp_mode_valid_helper(connector, mode); else return MODE_OK; } } static const struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = { .get_modes = radeon_dp_get_modes, .mode_valid = radeon_dp_mode_valid, .best_encoder = radeon_dvi_encoder, }; static const struct drm_connector_funcs radeon_dp_connector_funcs = { .dpms = drm_helper_connector_dpms, .detect = radeon_dp_detect, .fill_modes = drm_helper_probe_single_connector_modes, .set_property = radeon_connector_set_property, .destroy = radeon_dp_connector_destroy, .force = radeon_dvi_force, }; void radeon_add_atom_connector(struct drm_device *dev, uint32_t connector_id, uint32_t supported_device, int connector_type, struct radeon_i2c_bus_rec *i2c_bus, uint32_t igp_lane_info, uint16_t connector_object_id, struct radeon_hpd *hpd, struct radeon_router *router) { struct radeon_device *rdev = dev->dev_private; struct drm_connector *connector; struct radeon_connector *radeon_connector; struct radeon_connector_atom_dig *radeon_dig_connector; struct drm_encoder *encoder; struct radeon_encoder *radeon_encoder; uint32_t subpixel_order = SubPixelNone; bool shared_ddc = false; bool is_dp_bridge = false; if (connector_type == DRM_MODE_CONNECTOR_Unknown) return; /* if the user selected tv=0 don't try and add the connector */ if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) || (connector_type == DRM_MODE_CONNECTOR_Composite) || (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) && (radeon_tv == 0)) return; /* see if we already added it */ list_for_each_entry(connector, &dev->mode_config.connector_list, head) { radeon_connector = to_radeon_connector(connector); if (radeon_connector->connector_id == connector_id) { radeon_connector->devices |= supported_device; return; } if (radeon_connector->ddc_bus && i2c_bus->valid) { if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) { radeon_connector->shared_ddc = true; shared_ddc = true; } if (radeon_connector->router_bus && router->ddc_valid && (radeon_connector->router.router_id == router->router_id)) { radeon_connector->shared_ddc = false; shared_ddc = false; } } } /* check if it's a dp bridge */ list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { radeon_encoder = to_radeon_encoder(encoder); if (radeon_encoder->devices & supported_device) { switch (radeon_encoder->encoder_id) { case ENCODER_OBJECT_ID_TRAVIS: case ENCODER_OBJECT_ID_NUTMEG: is_dp_bridge = true; break; default: break; } } } radeon_connector = malloc(sizeof(struct radeon_connector), DRM_MEM_DRIVER, M_ZERO | M_WAITOK); if (!radeon_connector) return; connector = &radeon_connector->base; radeon_connector->connector_id = connector_id; radeon_connector->devices = supported_device; radeon_connector->shared_ddc = shared_ddc; radeon_connector->connector_object_id = connector_object_id; radeon_connector->hpd = *hpd; radeon_connector->router = *router; if (router->ddc_valid || router->cd_valid) { radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info); if (!radeon_connector->router_bus) DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n"); } if (is_dp_bridge) { radeon_dig_connector = malloc( sizeof(struct radeon_connector_atom_dig), DRM_MEM_DRIVER, M_ZERO | M_WAITOK); if (!radeon_dig_connector) goto failed; radeon_dig_connector->igp_lane_info = igp_lane_info; radeon_connector->con_priv = radeon_dig_connector; drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type); drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs); if (i2c_bus->valid) { /* add DP i2c bus */ if (connector_type == DRM_MODE_CONNECTOR_eDP) radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch"); else radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch"); if (!radeon_dig_connector->dp_i2c_bus) DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n"); radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); if (!radeon_connector->ddc_bus) DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); } switch (connector_type) { case DRM_MODE_CONNECTOR_VGA: case DRM_MODE_CONNECTOR_DVIA: default: connector->interlace_allowed = true; connector->doublescan_allowed = true; radeon_connector->dac_load_detect = true; drm_connector_attach_property(&radeon_connector->base, rdev->mode_info.load_detect_property, 1); break; case DRM_MODE_CONNECTOR_DVII: case DRM_MODE_CONNECTOR_DVID: case DRM_MODE_CONNECTOR_HDMIA: case DRM_MODE_CONNECTOR_HDMIB: case DRM_MODE_CONNECTOR_DisplayPort: drm_connector_attach_property(&radeon_connector->base, rdev->mode_info.underscan_property, UNDERSCAN_OFF); drm_connector_attach_property(&radeon_connector->base, rdev->mode_info.underscan_hborder_property, 0); drm_connector_attach_property(&radeon_connector->base, rdev->mode_info.underscan_vborder_property, 0); subpixel_order = SubPixelHorizontalRGB; connector->interlace_allowed = true; if (connector_type == DRM_MODE_CONNECTOR_HDMIB) connector->doublescan_allowed = true; else connector->doublescan_allowed = false; if (connector_type == DRM_MODE_CONNECTOR_DVII) { radeon_connector->dac_load_detect = true; drm_connector_attach_property(&radeon_connector->base, rdev->mode_info.load_detect_property, 1); } break; case DRM_MODE_CONNECTOR_LVDS: case DRM_MODE_CONNECTOR_eDP: drm_connector_attach_property(&radeon_connector->base, dev->mode_config.scaling_mode_property, DRM_MODE_SCALE_FULLSCREEN); subpixel_order = SubPixelHorizontalRGB; connector->interlace_allowed = false; connector->doublescan_allowed = false; break; } } else { switch (connector_type) { case DRM_MODE_CONNECTOR_VGA: drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type); drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); if (i2c_bus->valid) { radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); if (!radeon_connector->ddc_bus) DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); } radeon_connector->dac_load_detect = true; drm_connector_attach_property(&radeon_connector->base, rdev->mode_info.load_detect_property, 1); /* no HPD on analog connectors */ radeon_connector->hpd.hpd = RADEON_HPD_NONE; connector->polled = DRM_CONNECTOR_POLL_CONNECT; connector->interlace_allowed = true; connector->doublescan_allowed = true; break; case DRM_MODE_CONNECTOR_DVIA: drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type); drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); if (i2c_bus->valid) { radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); if (!radeon_connector->ddc_bus) DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); } radeon_connector->dac_load_detect = true; drm_connector_attach_property(&radeon_connector->base, rdev->mode_info.load_detect_property, 1); /* no HPD on analog connectors */ radeon_connector->hpd.hpd = RADEON_HPD_NONE; connector->interlace_allowed = true; connector->doublescan_allowed = true; break; case DRM_MODE_CONNECTOR_DVII: case DRM_MODE_CONNECTOR_DVID: radeon_dig_connector = malloc( sizeof(struct radeon_connector_atom_dig), DRM_MEM_DRIVER, M_ZERO | M_WAITOK); if (!radeon_dig_connector) goto failed; radeon_dig_connector->igp_lane_info = igp_lane_info; radeon_connector->con_priv = radeon_dig_connector; drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type); drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs); if (i2c_bus->valid) { radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); if (!radeon_connector->ddc_bus) DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); } subpixel_order = SubPixelHorizontalRGB; drm_connector_attach_property(&radeon_connector->base, rdev->mode_info.coherent_mode_property, 1); if (ASIC_IS_AVIVO(rdev)) { drm_connector_attach_property(&radeon_connector->base, rdev->mode_info.underscan_property, UNDERSCAN_OFF); drm_connector_attach_property(&radeon_connector->base, rdev->mode_info.underscan_hborder_property, 0); drm_connector_attach_property(&radeon_connector->base, rdev->mode_info.underscan_vborder_property, 0); } if (connector_type == DRM_MODE_CONNECTOR_DVII) { radeon_connector->dac_load_detect = true; drm_connector_attach_property(&radeon_connector->base, rdev->mode_info.load_detect_property, 1); } connector->interlace_allowed = true; if (connector_type == DRM_MODE_CONNECTOR_DVII) connector->doublescan_allowed = true; else connector->doublescan_allowed = false; break; case DRM_MODE_CONNECTOR_HDMIA: case DRM_MODE_CONNECTOR_HDMIB: radeon_dig_connector = malloc( sizeof(struct radeon_connector_atom_dig), DRM_MEM_DRIVER, M_ZERO | M_WAITOK); if (!radeon_dig_connector) goto failed; radeon_dig_connector->igp_lane_info = igp_lane_info; radeon_connector->con_priv = radeon_dig_connector; drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type); drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs); if (i2c_bus->valid) { radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); if (!radeon_connector->ddc_bus) DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); } drm_connector_attach_property(&radeon_connector->base, rdev->mode_info.coherent_mode_property, 1); if (ASIC_IS_AVIVO(rdev)) { drm_connector_attach_property(&radeon_connector->base, rdev->mode_info.underscan_property, UNDERSCAN_OFF); drm_connector_attach_property(&radeon_connector->base, rdev->mode_info.underscan_hborder_property, 0); drm_connector_attach_property(&radeon_connector->base, rdev->mode_info.underscan_vborder_property, 0); } subpixel_order = SubPixelHorizontalRGB; connector->interlace_allowed = true; if (connector_type == DRM_MODE_CONNECTOR_HDMIB) connector->doublescan_allowed = true; else connector->doublescan_allowed = false; break; case DRM_MODE_CONNECTOR_DisplayPort: radeon_dig_connector = malloc( sizeof(struct radeon_connector_atom_dig), DRM_MEM_DRIVER, M_ZERO | M_WAITOK); if (!radeon_dig_connector) goto failed; radeon_dig_connector->igp_lane_info = igp_lane_info; radeon_connector->con_priv = radeon_dig_connector; drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type); drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs); if (i2c_bus->valid) { /* add DP i2c bus */ radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch"); if (!radeon_dig_connector->dp_i2c_bus) DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n"); radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); if (!radeon_connector->ddc_bus) DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); } subpixel_order = SubPixelHorizontalRGB; drm_connector_attach_property(&radeon_connector->base, rdev->mode_info.coherent_mode_property, 1); if (ASIC_IS_AVIVO(rdev)) { drm_connector_attach_property(&radeon_connector->base, rdev->mode_info.underscan_property, UNDERSCAN_OFF); drm_connector_attach_property(&radeon_connector->base, rdev->mode_info.underscan_hborder_property, 0); drm_connector_attach_property(&radeon_connector->base, rdev->mode_info.underscan_vborder_property, 0); } connector->interlace_allowed = true; /* in theory with a DP to VGA converter... */ connector->doublescan_allowed = false; break; case DRM_MODE_CONNECTOR_eDP: radeon_dig_connector = malloc( sizeof(struct radeon_connector_atom_dig), DRM_MEM_DRIVER, M_ZERO | M_WAITOK); if (!radeon_dig_connector) goto failed; radeon_dig_connector->igp_lane_info = igp_lane_info; radeon_connector->con_priv = radeon_dig_connector; drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type); drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs); if (i2c_bus->valid) { /* add DP i2c bus */ radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch"); if (!radeon_dig_connector->dp_i2c_bus) DRM_ERROR("DP: Failed to assign dp ddc bus! Check dmesg for i2c errors.\n"); radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); if (!radeon_connector->ddc_bus) DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); } drm_connector_attach_property(&radeon_connector->base, dev->mode_config.scaling_mode_property, DRM_MODE_SCALE_FULLSCREEN); subpixel_order = SubPixelHorizontalRGB; connector->interlace_allowed = false; connector->doublescan_allowed = false; break; case DRM_MODE_CONNECTOR_SVIDEO: case DRM_MODE_CONNECTOR_Composite: case DRM_MODE_CONNECTOR_9PinDIN: drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type); drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs); radeon_connector->dac_load_detect = true; drm_connector_attach_property(&radeon_connector->base, rdev->mode_info.load_detect_property, 1); drm_connector_attach_property(&radeon_connector->base, rdev->mode_info.tv_std_property, radeon_atombios_get_tv_info(rdev)); /* no HPD on analog connectors */ radeon_connector->hpd.hpd = RADEON_HPD_NONE; connector->interlace_allowed = false; connector->doublescan_allowed = false; break; case DRM_MODE_CONNECTOR_LVDS: radeon_dig_connector = malloc( sizeof(struct radeon_connector_atom_dig), DRM_MEM_DRIVER, M_ZERO | M_WAITOK); if (!radeon_dig_connector) goto failed; radeon_dig_connector->igp_lane_info = igp_lane_info; radeon_connector->con_priv = radeon_dig_connector; drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type); drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs); if (i2c_bus->valid) { radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); if (!radeon_connector->ddc_bus) DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); } drm_connector_attach_property(&radeon_connector->base, dev->mode_config.scaling_mode_property, DRM_MODE_SCALE_FULLSCREEN); subpixel_order = SubPixelHorizontalRGB; connector->interlace_allowed = false; connector->doublescan_allowed = false; break; } } if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) { if (i2c_bus->valid) connector->polled = DRM_CONNECTOR_POLL_CONNECT; } else connector->polled = DRM_CONNECTOR_POLL_HPD; connector->display_info.subpixel_order = subpixel_order; #ifdef DUMBBELL_WIP drm_sysfs_connector_add(connector); #endif /* DUMBBELL_WIP */ return; failed: drm_connector_cleanup(connector); free(connector, DRM_MEM_DRIVER); } void radeon_add_legacy_connector(struct drm_device *dev, uint32_t connector_id, uint32_t supported_device, int connector_type, struct radeon_i2c_bus_rec *i2c_bus, uint16_t connector_object_id, struct radeon_hpd *hpd) { struct radeon_device *rdev = dev->dev_private; struct drm_connector *connector; struct radeon_connector *radeon_connector; uint32_t subpixel_order = SubPixelNone; if (connector_type == DRM_MODE_CONNECTOR_Unknown) return; /* if the user selected tv=0 don't try and add the connector */ if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) || (connector_type == DRM_MODE_CONNECTOR_Composite) || (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) && (radeon_tv == 0)) return; /* see if we already added it */ list_for_each_entry(connector, &dev->mode_config.connector_list, head) { radeon_connector = to_radeon_connector(connector); if (radeon_connector->connector_id == connector_id) { radeon_connector->devices |= supported_device; return; } } radeon_connector = malloc(sizeof(struct radeon_connector), DRM_MEM_DRIVER, M_ZERO | M_WAITOK); if (!radeon_connector) return; connector = &radeon_connector->base; radeon_connector->connector_id = connector_id; radeon_connector->devices = supported_device; radeon_connector->connector_object_id = connector_object_id; radeon_connector->hpd = *hpd; switch (connector_type) { case DRM_MODE_CONNECTOR_VGA: drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type); drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); if (i2c_bus->valid) { radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); if (!radeon_connector->ddc_bus) DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); } radeon_connector->dac_load_detect = true; drm_connector_attach_property(&radeon_connector->base, rdev->mode_info.load_detect_property, 1); /* no HPD on analog connectors */ radeon_connector->hpd.hpd = RADEON_HPD_NONE; connector->polled = DRM_CONNECTOR_POLL_CONNECT; connector->interlace_allowed = true; connector->doublescan_allowed = true; break; case DRM_MODE_CONNECTOR_DVIA: drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type); drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs); if (i2c_bus->valid) { radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); if (!radeon_connector->ddc_bus) DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); } radeon_connector->dac_load_detect = true; drm_connector_attach_property(&radeon_connector->base, rdev->mode_info.load_detect_property, 1); /* no HPD on analog connectors */ radeon_connector->hpd.hpd = RADEON_HPD_NONE; connector->interlace_allowed = true; connector->doublescan_allowed = true; break; case DRM_MODE_CONNECTOR_DVII: case DRM_MODE_CONNECTOR_DVID: drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type); drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs); if (i2c_bus->valid) { radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); if (!radeon_connector->ddc_bus) DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); } if (connector_type == DRM_MODE_CONNECTOR_DVII) { radeon_connector->dac_load_detect = true; drm_connector_attach_property(&radeon_connector->base, rdev->mode_info.load_detect_property, 1); } subpixel_order = SubPixelHorizontalRGB; connector->interlace_allowed = true; if (connector_type == DRM_MODE_CONNECTOR_DVII) connector->doublescan_allowed = true; else connector->doublescan_allowed = false; break; case DRM_MODE_CONNECTOR_SVIDEO: case DRM_MODE_CONNECTOR_Composite: case DRM_MODE_CONNECTOR_9PinDIN: drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type); drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs); radeon_connector->dac_load_detect = true; /* RS400,RC410,RS480 chipset seems to report a lot * of false positive on load detect, we haven't yet * found a way to make load detect reliable on those * chipset, thus just disable it for TV. */ if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480) radeon_connector->dac_load_detect = false; drm_connector_attach_property(&radeon_connector->base, rdev->mode_info.load_detect_property, radeon_connector->dac_load_detect); drm_connector_attach_property(&radeon_connector->base, rdev->mode_info.tv_std_property, radeon_combios_get_tv_info(rdev)); /* no HPD on analog connectors */ radeon_connector->hpd.hpd = RADEON_HPD_NONE; connector->interlace_allowed = false; connector->doublescan_allowed = false; break; case DRM_MODE_CONNECTOR_LVDS: drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type); drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs); if (i2c_bus->valid) { radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus); if (!radeon_connector->ddc_bus) DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n"); } drm_connector_attach_property(&radeon_connector->base, dev->mode_config.scaling_mode_property, DRM_MODE_SCALE_FULLSCREEN); subpixel_order = SubPixelHorizontalRGB; connector->interlace_allowed = false; connector->doublescan_allowed = false; break; } if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) { if (i2c_bus->valid) connector->polled = DRM_CONNECTOR_POLL_CONNECT; } else connector->polled = DRM_CONNECTOR_POLL_HPD; connector->display_info.subpixel_order = subpixel_order; #ifdef DUMBBELL_WIP drm_sysfs_connector_add(connector); #endif /* DUMBBELL_WIP */ }