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Differential D13838 Diff 37756 sys/dev/drm2/i915/intel_ringbuffer.c

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sys/dev/drm2/i915/intel_ringbuffer.c

Show First 20 Lines • Show All 465 Lines • ▼ Show 20 Linesinit_pipe_control(struct intel_ring_buffer *ring)
if (ret) if (ret)
goto err_unref; goto err_unref;
pc->gtt_offset = obj->gtt_offset; pc->gtt_offset = obj->gtt_offset;
pc->cpu_page = (uint32_t *)kva_alloc(PAGE_SIZE); pc->cpu_page = (uint32_t *)kva_alloc(PAGE_SIZE);
if (pc->cpu_page == NULL) if (pc->cpu_page == NULL)
goto err_unpin; goto err_unpin;
pmap_qenter((uintptr_t)pc->cpu_page, &obj->pages[0], 1); pmap_qenter((uintptr_t)pc->cpu_page, &obj->pages[0], 1);
pmap_invalidate_cache_range((vm_offset_t)pc->cpu_page, pmap_force_invalidate_cache_range((vm_offset_t)pc->cpu_page,
(vm_offset_t)pc->cpu_page + PAGE_SIZE, FALSE); (vm_offset_t)pc->cpu_page + PAGE_SIZE);
pc->obj = obj; pc->obj = obj;
ring->private = pc; ring->private = pc;
return 0; return 0;
err_unpin: err_unpin:
i915_gem_object_unpin(obj); i915_gem_object_unpin(obj);
err_unref: err_unref:
▲ Show 20 Lines • Show All 613 Lines • ▼ Show 20 Linesstatic int init_status_page(struct intel_ring_buffer *ring)
ring->status_page.gfx_addr = obj->gtt_offset; ring->status_page.gfx_addr = obj->gtt_offset;
ring->status_page.page_addr = (void *)kva_alloc(PAGE_SIZE); ring->status_page.page_addr = (void *)kva_alloc(PAGE_SIZE);
if (ring->status_page.page_addr == NULL) { if (ring->status_page.page_addr == NULL) {
ret = -ENOMEM; ret = -ENOMEM;
goto err_unpin; goto err_unpin;
} }
pmap_qenter((vm_offset_t)ring->status_page.page_addr, &obj->pages[0], pmap_qenter((vm_offset_t)ring->status_page.page_addr, &obj->pages[0],
1); 1);
pmap_invalidate_cache_range((vm_offset_t)ring->status_page.page_addr, pmap_force_invalidate_cache_range(
(vm_offset_t)ring->status_page.page_addr + PAGE_SIZE, FALSE); (vm_offset_t)ring->status_page.page_addr,
(vm_offset_t)ring->status_page.page_addr + PAGE_SIZE);
ring->status_page.obj = obj; ring->status_page.obj = obj;
memset(ring->status_page.page_addr, 0, PAGE_SIZE); memset(ring->status_page.page_addr, 0, PAGE_SIZE);
intel_ring_setup_status_page(ring); intel_ring_setup_status_page(ring);
DRM_DEBUG_DRIVER("%s hws offset: 0x%08x\n", DRM_DEBUG_DRIVER("%s hws offset: 0x%08x\n",
ring->name, ring->status_page.gfx_addr); ring->name, ring->status_page.gfx_addr);
return 0; return 0;
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