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| author | Christian König <christian.koenig@amd.com> | 2015-08-24 15:29:40 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2015-08-27 00:53:23 +0300 |
| commit | 88079006dc412c5d1676f9f6e9c4d72a209eb556 (patch) | |
| tree | 48a3126995b884647583982e54adb5515da01e4a | |
| parent | 062c7fb3ebb42d2a50d4644b3e49e731361e6951 (diff) | |
| download | linux-88079006dc412c5d1676f9f6e9c4d72a209eb556.tar.xz | |
drm/amdgpu: wake up scheduler only when neccessary
Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/scheduler/gpu_scheduler.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c index ca22d9032477..414536557673 100644 --- a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c +++ b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c @@ -27,6 +27,8 @@ #include <drm/drmP.h> #include "gpu_scheduler.h" +static void amd_sched_wakeup(struct amd_gpu_scheduler *sched); + /* Initialize a given run queue struct */ static void amd_sched_rq_init(struct amd_sched_rq *rq) { @@ -209,7 +211,7 @@ static bool amd_sched_entity_in(struct amd_sched_job *job) /* first job wakes up scheduler */ if (first) - wake_up_interruptible(&job->sched->wait_queue); + amd_sched_wakeup(job->sched); return added; } @@ -250,6 +252,15 @@ static bool amd_sched_ready(struct amd_gpu_scheduler *sched) } /** + * Wake up the scheduler when it is ready + */ +static void amd_sched_wakeup(struct amd_gpu_scheduler *sched) +{ + if (amd_sched_ready(sched)) + wake_up_interruptible(&sched->wait_queue); +} + +/** * Select next entity containing real IB submissions */ static struct amd_sched_entity * |