Merge tag 'drm-misc-next-2021-09-16' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

drm-misc-next for $kernel-version:

UAPI Changes:

Cross-subsystem Changes:
  - dma-buf: Avoid a warning with some allocations, Remove
    DMA_FENCE_TRACE macros

Core Changes:
  - bridge: New helper to git rid of panels in drivers
  - fence: Improve dma_fence_add_callback documentation, Improve
    dma_fence_ops->wait documentation
  - ioctl: Unexport drm_ioctl_permit
  - lease: Documentation improvements
  - fourcc: Add new macro to determine the modifier vendor
  - quirks: Add the Steam Deck, Chuwi HiBook, Chuwi Hi10 Pro, Samsung
    Galaxy Book 10.6, KD Kurio Smart C15200 2-in-1, Lenovo Ideapad D330
  - resv: Improve the documentation
  - shmem-helpers: Allocate WC pages on x86, Switch to vmf_insert_pfn
  - sched: Fix for a timer being canceled too soon, Avoid null pointer
    derefence if the fence is null in drm_sched_fence_free, Convert
    drivers to rely on its dependency tracking
  - ttm: Switch to kerneldoc, new helper to clear all DMA mappings, pool
    shrinker optitimization, Remove ttm_tt_destroy_common, Fix for
    unbinding on multiple drivers

Driver Changes:
  - bochs: New PCI IDs
  - msm: Fence ordering impromevemnts
  - stm: Add layer alpha support, zpos
  - v3d: Fix for a Vulkan CTS failure
  - vc4: Conversion to the new bridge helpers
  - vgem: Use shmem helpers
  - virtio: Support mapping exported vram
  - zte: Remove obsolete driver

  - bridge: Probe improvements for it66121, enable DSI EOTP for anx7625,
    errors propagation improvements for anx7625

  - panels: 60fps mode for otm8009a, New driver for Samsung S6D27A1

Signed-off-by: Dave Airlie <airlied@redhat.com>

# gpg: Signature made Thu 16 Sep 2021 17:30:50 AEST
# gpg:                using EDDSA key 5C1337A45ECA9AEB89060E9EE3EF0D6F671851C5
# gpg: Can't check signature: No public key
From: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20210916073132.ptbbmjetm7v3ufq3@gilmour

4 files changed, 9 insertions, 13 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index 913f9eaa9cd6..0311d799a010 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -1222,6 +1222,8 @@ static int amdgpu_cs_submit(struct amdgpu_cs_parser *p,
 	if (r)
 		goto error_unlock;
 
+	drm_sched_job_arm(&job->base);
+
 	/* No memory allocation is allowed while holding the notifier lock.
 	 * The lock is held until amdgpu_cs_submit is finished and fence is
 	 * added to BOs.
@@ -1259,7 +1261,7 @@ static int amdgpu_cs_submit(struct amdgpu_cs_parser *p,
 
 	trace_amdgpu_cs_ioctl(job);
 	amdgpu_vm_bo_trace_cs(&fpriv->vm, &p->ticket);
-	drm_sched_entity_push_job(&job->base, entity);
+	drm_sched_entity_push_job(&job->base);
 
 	amdgpu_vm_move_to_lru_tail(p->adev, &fpriv->vm);
 
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
index 8d682befe0d6..a25e192e8a3f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
@@ -266,7 +266,6 @@ bool amdgpu_fence_process(struct amdgpu_ring *ring)
 	struct amdgpu_fence_driver *drv = &ring->fence_drv;
 	struct amdgpu_device *adev = ring->adev;
 	uint32_t seq, last_seq;
-	int r;
 
 	do {
 		last_seq = atomic_read(&ring->fence_drv.last_seq);
@@ -298,12 +297,7 @@ bool amdgpu_fence_process(struct amdgpu_ring *ring)
 		if (!fence)
 			continue;
 
-		r = dma_fence_signal(fence);
-		if (!r)
-			DMA_FENCE_TRACE(fence, "signaled from irq context\n");
-		else
-			BUG();
-
+		dma_fence_signal(fence);
 		dma_fence_put(fence);
 		pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
 		pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
@@ -684,8 +678,6 @@ static bool amdgpu_fence_enable_signaling(struct dma_fence *f)
 	if (!timer_pending(&ring->fence_drv.fallback_timer))
 		amdgpu_fence_schedule_fallback(ring);
 
-	DMA_FENCE_TRACE(f, "armed on ring %i!\n", ring->idx);
-
 	return true;
 }
 
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
index de29518673dd..4e30a09bc887 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
@@ -182,9 +182,11 @@ int amdgpu_job_submit(struct amdgpu_job *job, struct drm_sched_entity *entity,
 	if (r)
 		return r;
 
+	drm_sched_job_arm(&job->base);
+
 	*f = dma_fence_get(&job->base.s_fence->finished);
 	amdgpu_job_free_resources(job);
-	drm_sched_entity_push_job(&job->base, entity);
+	drm_sched_entity_push_job(&job->base);
 
 	return 0;
 }
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 94126dc39688..820fcb24231f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -1066,8 +1066,6 @@ static void amdgpu_ttm_backend_destroy(struct ttm_device *bdev,
 {
 	struct amdgpu_ttm_tt *gtt = (void *)ttm;
 
-	amdgpu_ttm_backend_unbind(bdev, ttm);
-	ttm_tt_destroy_common(bdev, ttm);
 	if (gtt->usertask)
 		put_task_struct(gtt->usertask);
 
@@ -1148,6 +1146,8 @@ static void amdgpu_ttm_tt_unpopulate(struct ttm_device *bdev,
 	struct amdgpu_ttm_tt *gtt = (void *)ttm;
 	struct amdgpu_device *adev;
 
+	amdgpu_ttm_backend_unbind(bdev, ttm);
+
 	if (gtt->userptr) {
 		amdgpu_ttm_tt_set_user_pages(ttm, NULL);
 		kfree(ttm->sg);