+ dri-devel as per process
On 25/05/2021 14:55, Tejas Upadhyay wrote:
v2: Only declare timeslicing if we can safely preempt userspace.
Commit message got butchered up somehow so you'll need to fix that at
some point.
Regards,
Tvrtko
Fixes: 8ee36e048c98 ("drm/i915/execlists: Minimalistic timeslicing")
Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Cc: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
---
drivers/gpu/drm/i915/gt/intel_engine_user.c | 1 +
include/uapi/drm/i915_drm.h | 1 +
2 files changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/i915/gt/intel_engine_user.c b/drivers/gpu/drm/i915/gt/intel_engine_user.c
index 3cca7ea2d6ea..12d165566ed2 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine_user.c
+++ b/drivers/gpu/drm/i915/gt/intel_engine_user.c
@@ -98,6 +98,7 @@ static void set_scheduler_caps(struct drm_i915_private *i915)
MAP(HAS_PREEMPTION, PREEMPTION),
MAP(HAS_SEMAPHORES, SEMAPHORES),
MAP(SUPPORTS_STATS, ENGINE_BUSY_STATS),
+ MAP(TIMESLICE_BIT, TIMESLICING),
#undef MAP
};
struct intel_engine_cs *engine;
diff --git a/include/uapi/drm/i915_drm.h b/include/uapi/drm/i915_drm.h
index c2c7759b7d2e..af2212d6113c 100644
--- a/include/uapi/drm/i915_drm.h
+++ b/include/uapi/drm/i915_drm.h
@@ -572,6 +572,7 @@ typedef struct drm_i915_irq_wait {
#define I915_SCHEDULER_CAP_PREEMPTION (1ul << 2)
#define I915_SCHEDULER_CAP_SEMAPHORES (1ul << 3)
#define I915_SCHEDULER_CAP_ENGINE_BUSY_STATS (1ul << 4)
+#define I915_SCHEDULER_CAP_TIMESLICING (1ul << 5)
#define I915_PARAM_HUC_STATUS 42
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