diff options
Diffstat (limited to '0003-drm-sched-add-DRM_SCHED_FENCE_DONT_PIPELINE-flag.patch')
| -rw-r--r-- | 0003-drm-sched-add-DRM_SCHED_FENCE_DONT_PIPELINE-flag.patch | 55 |
1 files changed, 0 insertions, 55 deletions
diff --git a/0003-drm-sched-add-DRM_SCHED_FENCE_DONT_PIPELINE-flag.patch b/0003-drm-sched-add-DRM_SCHED_FENCE_DONT_PIPELINE-flag.patch deleted file mode 100644 index 04d18c0..0000000 --- a/0003-drm-sched-add-DRM_SCHED_FENCE_DONT_PIPELINE-flag.patch +++ /dev/null @@ -1,55 +0,0 @@ -From 95123f7acd2c486547a808631ea879eb5782738d Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com> -Date: Fri, 7 Oct 2022 09:51:13 +0200 -Subject: [PATCH 3/6] drm/sched: add DRM_SCHED_FENCE_DONT_PIPELINE flag -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -Setting this flag on a scheduler fence prevents pipelining of jobs -depending on this fence. In other words we always insert a full CPU -round trip before dependen jobs are pushed to the pipeline. - -Signed-off-by: Christian König <christian.koenig@amd.com> ---- - drivers/gpu/drm/scheduler/sched_entity.c | 3 ++- - include/drm/gpu_scheduler.h | 9 +++++++++ - 2 files changed, 11 insertions(+), 1 deletion(-) - -diff --git a/drivers/gpu/drm/scheduler/sched_entity.c b/drivers/gpu/drm/scheduler/sched_entity.c -index 7ef1a086a6fb..4b913dbb7d7b 100644 ---- a/drivers/gpu/drm/scheduler/sched_entity.c -+++ b/drivers/gpu/drm/scheduler/sched_entity.c -@@ -389,7 +389,8 @@ static bool drm_sched_entity_add_dependency_cb(struct drm_sched_entity *entity) - } - - s_fence = to_drm_sched_fence(fence); -- if (s_fence && s_fence->sched == sched) { -+ if (s_fence && s_fence->sched == sched && -+ !test_bit(DRM_SCHED_FENCE_DONT_PIPELINE, &fence->flags)) { - - /* - * Fence is from the same scheduler, only need to wait for -diff --git a/include/drm/gpu_scheduler.h b/include/drm/gpu_scheduler.h -index addb135eeea6..289a33e80639 100644 ---- a/include/drm/gpu_scheduler.h -+++ b/include/drm/gpu_scheduler.h -@@ -32,6 +32,15 @@ - - #define MAX_WAIT_SCHED_ENTITY_Q_EMPTY msecs_to_jiffies(1000) - -+/** -+ * DRM_SCHED_FENCE_DONT_PIPELINE - Prefent dependency pipelining -+ * -+ * Setting this flag on a scheduler fence prevents pipelining of jobs depending -+ * on this fence. In other words we always insert a full CPU round trip before -+ * dependen jobs are pushed to the hw queue. -+ */ -+#define DRM_SCHED_FENCE_DONT_PIPELINE DMA_FENCE_FLAG_USER_BITS -+ - struct drm_gem_object; - - struct drm_gpu_scheduler; --- -2.38.1 - |