Merge tag 'drm-misc-next-2022-11-10-1' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

drm-misc-next for 6.2:

UAPI Changes:

Cross-subsystem Changes:

Core Changes:
- atomic-helper: Add begin_fb_access and end_fb_access hooks
- fb-helper: Rework to move fb emulation into helpers
- scheduler: rework entity flush, kill and fini
- ttm: Optimize pool allocations

Driver Changes:
- amdgpu: scheduler rework
- hdlcd: Switch to DRM-managed resources
- ingenic: Fix registration error path
- lcdif: FIFO threshold tuning
- meson: Fix return type of cvbs' mode_valid
- ofdrm: multiple fixes (kconfig, types, endianness)
- sun4i: A100 and D1 support
- panel:
  - New Panel: Jadard JD9365DA-H3

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

From: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20221110083612.g63eaocoaa554soh@houat

1 files changed, 34 insertions, 41 deletions

diff --git a/drivers/gpu/drm/scheduler/sched_main.c b/drivers/gpu/drm/scheduler/sched_main.c
index d0ff9e11cb69..6ce04c2e90c0 100644
--- a/drivers/gpu/drm/scheduler/sched_main.c
+++ b/drivers/gpu/drm/scheduler/sched_main.c
@@ -286,32 +286,6 @@ static void drm_sched_job_done_cb(struct dma_fence *f, struct dma_fence_cb *cb)
 }
 
 /**
- * drm_sched_dependency_optimized - test if the dependency can be optimized
- *
- * @fence: the dependency fence
- * @entity: the entity which depends on the above fence
- *
- * Returns true if the dependency can be optimized and false otherwise
- */
-bool drm_sched_dependency_optimized(struct dma_fence* fence,
-				    struct drm_sched_entity *entity)
-{
-	struct drm_gpu_scheduler *sched = entity->rq->sched;
-	struct drm_sched_fence *s_fence;
-
-	if (!fence || dma_fence_is_signaled(fence))
-		return false;
-	if (fence->context == entity->fence_context)
-		return true;
-	s_fence = to_drm_sched_fence(fence);
-	if (s_fence && s_fence->sched == sched)
-		return true;
-
-	return false;
-}
-EXPORT_SYMBOL(drm_sched_dependency_optimized);
-
-/**
  * drm_sched_start_timeout - start timeout for reset worker
  *
  * @sched: scheduler instance to start the worker for
@@ -773,32 +747,28 @@ int drm_sched_job_add_dependency(struct drm_sched_job *job,
 EXPORT_SYMBOL(drm_sched_job_add_dependency);
 
 /**
- * drm_sched_job_add_implicit_dependencies - adds implicit dependencies as job
- *   dependencies
+ * drm_sched_job_add_resv_dependencies - add all fences from the resv to the job
  * @job: scheduler job to add the dependencies to
- * @obj: the gem object to add new dependencies from.
- * @write: whether the job might write the object (so we need to depend on
- * shared fences in the reservation object).
+ * @resv: the dma_resv object to get the fences from
+ * @usage: the dma_resv_usage to use to filter the fences
  *
- * This should be called after drm_gem_lock_reservations() on your array of
- * GEM objects used in the job but before updating the reservations with your
- * own fences.
+ * This adds all fences matching the given usage from @resv to @job.
+ * Must be called with the @resv lock held.
  *
  * Returns:
  * 0 on success, or an error on failing to expand the array.
  */
-int drm_sched_job_add_implicit_dependencies(struct drm_sched_job *job,
-					    struct drm_gem_object *obj,
-					    bool write)
+int drm_sched_job_add_resv_dependencies(struct drm_sched_job *job,
+					struct dma_resv *resv,
+					enum dma_resv_usage usage)
 {
 	struct dma_resv_iter cursor;
 	struct dma_fence *fence;
 	int ret;
 
-	dma_resv_assert_held(obj->resv);
+	dma_resv_assert_held(resv);
 
-	dma_resv_for_each_fence(&cursor, obj->resv, dma_resv_usage_rw(write),
-				fence) {
+	dma_resv_for_each_fence(&cursor, resv, usage, fence) {
 		/* Make sure to grab an additional ref on the added fence */
 		dma_fence_get(fence);
 		ret = drm_sched_job_add_dependency(job, fence);
@@ -809,8 +779,31 @@ int drm_sched_job_add_implicit_dependencies(struct drm_sched_job *job,
 	}
 	return 0;
 }
-EXPORT_SYMBOL(drm_sched_job_add_implicit_dependencies);
+EXPORT_SYMBOL(drm_sched_job_add_resv_dependencies);
 
+/**
+ * drm_sched_job_add_implicit_dependencies - adds implicit dependencies as job
+ *   dependencies
+ * @job: scheduler job to add the dependencies to
+ * @obj: the gem object to add new dependencies from.
+ * @write: whether the job might write the object (so we need to depend on
+ * shared fences in the reservation object).
+ *
+ * This should be called after drm_gem_lock_reservations() on your array of
+ * GEM objects used in the job but before updating the reservations with your
+ * own fences.
+ *
+ * Returns:
+ * 0 on success, or an error on failing to expand the array.
+ */
+int drm_sched_job_add_implicit_dependencies(struct drm_sched_job *job,
+					    struct drm_gem_object *obj,
+					    bool write)
+{
+	return drm_sched_job_add_resv_dependencies(job, obj->resv,
+						   dma_resv_usage_rw(write));
+}
+EXPORT_SYMBOL(drm_sched_job_add_implicit_dependencies);
 
 /**
  * drm_sched_job_cleanup - clean up scheduler job resources