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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2020-05-13 20:35:04 +0300 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2020-05-14 08:14:33 +0300 |
| commit | 18e4af04d2183e99e6808f55dcef30f66ac0b155 (patch) | |
| tree | 8e210c2ce5d22b90d10ec24e610400c5a1ba26fa /drivers/gpu/drm/i915/i915_priolist_types.h | |
| parent | 701f026521980dd0151130f818558e17c608ed2e (diff) | |
| download | linux-18e4af04d2183e99e6808f55dcef30f66ac0b155.tar.xz | |
drm/i915: Drop no-semaphore boosting
Now that we have fast timeslicing on semaphores, we no longer need to
prioritise none-semaphore work as we will yield any work blocked on a
semaphore to the next in the queue. Previously with no timeslicing,
blocking on the semaphore caused extremely bad scheduling with multiple
clients utilising multiple rings. Now, there is no impact and we can
remove the complication.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200513173504.28322-1-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/i915_priolist_types.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_priolist_types.h | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/i915_priolist_types.h b/drivers/gpu/drm/i915/i915_priolist_types.h index e18723d8df86..5003a71113cb 100644 --- a/drivers/gpu/drm/i915/i915_priolist_types.h +++ b/drivers/gpu/drm/i915/i915_priolist_types.h @@ -24,14 +24,12 @@ enum { I915_PRIORITY_DISPLAY, }; -#define I915_USER_PRIORITY_SHIFT 1 +#define I915_USER_PRIORITY_SHIFT 0 #define I915_USER_PRIORITY(x) ((x) << I915_USER_PRIORITY_SHIFT) #define I915_PRIORITY_COUNT BIT(I915_USER_PRIORITY_SHIFT) #define I915_PRIORITY_MASK (I915_PRIORITY_COUNT - 1) -#define I915_PRIORITY_NOSEMAPHORE ((u8)BIT(0)) - /* Smallest priority value that cannot be bumped. */ #define I915_PRIORITY_INVALID (INT_MIN | (u8)I915_PRIORITY_MASK) |