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diff --git a/x11/linux-nvidia-libs/Makefile b/x11/linux-nvidia-libs/Makefile
--- a/x11/linux-nvidia-libs/Makefile
+++ b/x11/linux-nvidia-libs/Makefile
@@ -1,5 +1,5 @@
PORTNAME= nvidia-libs
-DISTVERSION?= 535.98
+DISTVERSION?= ${NVIDIA_DISTVERSION}
# Always try to set PORTREVISION as it can be overridden by the slave ports
PORTREVISION?= 0
CATEGORIES= x11 linux
@@ -13,6 +13,7 @@
WWW= https://www.nvidia.com/object/unix.html
LICENSE_FILE= ${WRKSRC}/LICENSE
+.include "${.CURDIR}/../nvidia-driver/Makefile.version"
.include "${.CURDIR}/../nvidia-driver/Makefile.common"
.if ${DISTVERSION:R} > 390
diff --git a/x11/nvidia-driver/Makefile b/x11/nvidia-driver/Makefile
--- a/x11/nvidia-driver/Makefile
+++ b/x11/nvidia-driver/Makefile
@@ -12,9 +12,9 @@
# ``make DISTVERSION=xxx.yy.zz -DNO_CHECKSUM'' should typically work.
PORTNAME?= nvidia-driver
-DISTVERSION?= 535.98
+DISTVERSION?= ${NVIDIA_DISTVERSION}
# Always try to set PORTREVISION as it can be overridden by the slave ports
-PORTREVISION?= 0
+PORTREVISION?= 1
CATEGORIES= x11
MASTER_SITES= NVIDIA/XFree86/FreeBSD-${ARCH_SUFX}/${DISTVERSION}
DISTNAME= NVIDIA-FreeBSD-${ARCH_SUFX}-${DISTVERSION}
@@ -25,6 +25,7 @@
WWW= https://www.nvidia.com/object/unix.html
LICENSE_FILE= ${WRKSRC}/doc/license.txt
+.include "${.CURDIR}/../nvidia-driver/Makefile.version"
.include "${.CURDIR}/../nvidia-driver/Makefile.common"
# Pull GNU sed(1) for "binary" patching of obj/libglvnd/libEGL.so.1 and
@@ -97,6 +98,9 @@
SUB_LIST+= KLDNAME=nvidia-modeset
.endif
+.if ${NVVERSION} >= 530.03002 && ${NVVERSION} < 545.00
+SUB_PATCHES += surplus-patch-src_nvidia-modeset_nvidia-modeset-freebsd.c
+.endif
.if ${NVVERSION} < 460.039
. if ${NVVERSION} >= 358.009
EXTRA_PATCHES+= ${FILESDIR}/extra-patch-src_nvidia-modeset_nvidia-modeset-freebsd.c
diff --git a/x11/nvidia-driver/Makefile.version b/x11/nvidia-driver/Makefile.version
new file mode 100644
--- /dev/null
+++ b/x11/nvidia-driver/Makefile.version
@@ -0,0 +1,4 @@
+# NVIDIA Distversion
+#
+# This will be included from x11/nvidia-driver and the nvidia-drm port
+NVIDIA_DISTVERSION = 535.98
diff --git a/x11/nvidia-driver/files/surplus-patch-src_nvidia-modeset_nvidia-modeset-freebsd.c.in b/x11/nvidia-driver/files/surplus-patch-src_nvidia-modeset_nvidia-modeset-freebsd.c.in
new file mode 100644
--- /dev/null
+++ b/x11/nvidia-driver/files/surplus-patch-src_nvidia-modeset_nvidia-modeset-freebsd.c.in
@@ -0,0 +1,131 @@
+--- src/nvidia-modeset/nvidia-modeset-freebsd.c.orig 2023-03-28 22:14:28 UTC
++++ src/nvidia-modeset/nvidia-modeset-freebsd.c
+@@ -368,6 +368,7 @@ struct nvkms_timer_t {
+ NvBool cancel;
+ NvBool complete;
+ NvBool isRefPtr;
++ NvBool needsNvkmsLock;
+ NvBool callout_created;
+ nvkms_timer_proc_t *proc;
+ void *dataPtr;
+@@ -406,7 +407,14 @@ static void nvkms_taskqueue_callback(void *arg, int pe
+ callout_drain(&timer->callout);
+ }
+
+- sx_xlock(&nvkms_lock);
++ /*
++ * Only lock if this timer requests it. DRM's callback nv_drm_event_callback
++ * will not need this, since it may reenter nvkms through the kapi and lock
++ * nvkms_lock then.
++ */
++ if (timer->needsNvkmsLock) {
++ sx_xlock(&nvkms_lock);
++ }
+
+ if (timer->isRefPtr) {
+ // If the object this timer refers to was destroyed, treat the timer as
+@@ -424,11 +432,13 @@ static void nvkms_taskqueue_callback(void *arg, int pe
+ timer->complete = NV_TRUE;
+ }
+
++ if (timer->needsNvkmsLock) {
++ sx_xunlock(&nvkms_lock);
++ }
++
+ if (timer->cancel || timer->isRefPtr) {
+ nvkms_free(timer, sizeof(*timer));
+ }
+-
+- sx_xunlock(&nvkms_lock);
+ }
+
+ static void nvkms_callout_callback(void *arg)
+@@ -441,11 +451,13 @@ nvkms_init_timer(struct nvkms_timer_t *timer, nvkms_ti
+
+ static void
+ nvkms_init_timer(struct nvkms_timer_t *timer, nvkms_timer_proc_t *proc,
+- void *dataPtr, NvU32 dataU32, NvBool isRefPtr, NvU64 usec)
++ void *dataPtr, NvU32 dataU32, NvBool isRefPtr, NvU64 usec,
++ NvBool needsNvkmsLock)
+ {
+ timer->cancel = NV_FALSE;
+ timer->complete = NV_FALSE;
+ timer->isRefPtr = isRefPtr;
++ timer->needsNvkmsLock = needsNvkmsLock;
+
+ timer->proc = proc;
+ timer->dataPtr = dataPtr;
+@@ -479,19 +491,27 @@ nvkms_init_timer(struct nvkms_timer_t *timer, nvkms_ti
+ mtx_unlock_spin(&nvkms_timers.lock);
+ }
+
+-nvkms_timer_handle_t*
+-nvkms_alloc_timer(nvkms_timer_proc_t *proc,
+- void *dataPtr, NvU32 dataU32,
+- NvU64 usec)
++static nvkms_timer_handle_t*
++nvkms_alloc_timer_locked(nvkms_timer_proc_t *proc,
++ void *dataPtr, NvU32 dataU32,
++ NvU64 usec, NvBool needsNvkmsLock)
+ {
+ // nvkms_alloc_timer cannot be called from an interrupt context.
+ struct nvkms_timer_t *timer = nvkms_alloc(sizeof(*timer), NV_TRUE);
+ if (timer) {
+- nvkms_init_timer(timer, proc, dataPtr, dataU32, NV_FALSE, usec);
++ nvkms_init_timer(timer, proc, dataPtr, dataU32, NV_FALSE, usec, needsNvkmsLock);
+ }
+ return timer;
+ }
+
++nvkms_timer_handle_t*
++nvkms_alloc_timer(nvkms_timer_proc_t *proc,
++ void *dataPtr, NvU32 dataU32,
++ NvU64 usec)
++{
++ return nvkms_alloc_timer_locked(proc, dataPtr, dataU32, usec, NV_TRUE);
++}
++
+ NvBool
+ nvkms_alloc_timer_with_ref_ptr(nvkms_timer_proc_t *proc,
+ struct nvkms_ref_ptr *ref_ptr,
+@@ -506,7 +526,7 @@ nvkms_alloc_timer_with_ref_ptr(nvkms_timer_proc_t *pro
+ // Reference the ref_ptr to make sure that it doesn't get freed before
+ // the timer fires.
+ nvkms_inc_ref(ref_ptr);
+- nvkms_init_timer(timer, proc, ref_ptr, dataU32, NV_TRUE, usec);
++ nvkms_init_timer(timer, proc, ref_ptr, dataU32, NV_TRUE, usec, NV_TRUE);
+ }
+
+ return timer != NULL;
+@@ -570,10 +590,11 @@ nvkms_event_queue_changed(nvkms_per_open_handle_t *pOp
+ break;
+ case NVKMS_CLIENT_KERNEL_SPACE:
+ if (!popen->kernel.task) {
+- popen->kernel.task = nvkms_alloc_timer(nvkms_kapi_task_callback,
+- popen,
+- 0, /* dataU32 */
+- 0 /* callout delay */);
++ popen->kernel.task = nvkms_alloc_timer_locked(nvkms_kapi_task_callback,
++ popen,
++ 0, /* dataU32 */
++ 0, /* callout delay */
++ NV_FALSE);
+ }
+ break;
+ }
+@@ -828,10 +849,11 @@ static struct nvkms_per_open *nvkms_open_common(enum N
+ case NVKMS_CLIENT_KERNEL_SPACE:
+ /* enqueue our new task */
+ popen->kernel.device = device;
+- popen->kernel.task = nvkms_alloc_timer(nvkms_kapi_task_callback,
+- popen,
+- 0, /* dataU32 */
+- 0 /* callout delay */);
++ popen->kernel.task = nvkms_alloc_timer_locked(nvkms_kapi_task_callback,
++ popen,
++ 0, /* dataU32 */
++ 0, /* callout delay */
++ NV_FALSE);
+ break;
+ }
+

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