diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c | 24 |
1 files changed, 15 insertions, 9 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c index f522b52725e40..5981c7d9bd48f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c @@ -23,6 +23,7 @@ */ #include <drm/drm_auth.h> +#include <drm/drm_drv.h> #include "amdgpu.h" #include "amdgpu_sched.h" #include "amdgpu_ras.h" @@ -204,9 +205,15 @@ static int amdgpu_ctx_init_entity(struct amdgpu_ctx *ctx, u32 hw_ip, if (r) goto error_free_entity; - ctx->entities[hw_ip][ring] = entity; + /* It's not an error if we fail to install the new entity */ + if (cmpxchg(&ctx->entities[hw_ip][ring], NULL, entity)) + goto cleanup_entity; + return 0; +cleanup_entity: + drm_sched_entity_fini(&entity->entity); + error_free_entity: kfree(entity); @@ -261,9 +268,6 @@ static int amdgpu_ctx_get_stable_pstate(struct amdgpu_ctx *ctx, struct amdgpu_device *adev = ctx->adev; enum amd_dpm_forced_level current_level; - if (!ctx) - return -EINVAL; - current_level = amdgpu_dpm_get_performance_level(adev); switch (current_level) { @@ -293,9 +297,6 @@ static int amdgpu_ctx_set_stable_pstate(struct amdgpu_ctx *ctx, enum amd_dpm_forced_level level; int r; - if (!ctx) - return -EINVAL; - mutex_lock(&adev->pm.stable_pstate_ctx_lock); if (adev->pm.stable_pstate_ctx && adev->pm.stable_pstate_ctx != ctx) { r = -EBUSY; @@ -339,7 +340,7 @@ static void amdgpu_ctx_fini(struct kref *ref) { struct amdgpu_ctx *ctx = container_of(ref, struct amdgpu_ctx, refcount); struct amdgpu_device *adev = ctx->adev; - unsigned i, j; + unsigned i, j, idx; if (!adev) return; @@ -350,7 +351,12 @@ static void amdgpu_ctx_fini(struct kref *ref) ctx->entities[i][j] = NULL; } } - amdgpu_ctx_set_stable_pstate(ctx, AMDGPU_CTX_STABLE_PSTATE_NONE); + + if (drm_dev_enter(&adev->ddev, &idx)) { + amdgpu_ctx_set_stable_pstate(ctx, AMDGPU_CTX_STABLE_PSTATE_NONE); + drm_dev_exit(idx); + } + kfree(ctx); } |