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| author |   Maxime Ripard <mripard@kernel.org> | 2019-10-03 09:59:29 +0200 |
|---|---|---|
| committer | Maxime Ripard <mripard@kernel.org> | 2019-10-03 09:59:29 +0200 |
| commit | 77fdaa091d79c87323a9f3912a25f73e02ea2a01 (patch) | |
| tree | 0e47e2d3c4a966277dbaec075f4685187fdae482 /drivers/gpu/drm/i915/i915_priolist_types.h | |
| parent | drm/omap: fix max fclk divider for omap36xx (diff) | |
| parent | Linux 5.4-rc1 (diff) | |
| download | linux-dev-77fdaa091d79c87323a9f3912a25f73e02ea2a01.tar.xz linux-dev-77fdaa091d79c87323a9f3912a25f73e02ea2a01.zip | |
Merge drm/drm-fixes into drm-misc-fixes
We haven't backmerged for a while, let's start the -rc period by pulling
rc1.
Signed-off-by: Maxime Ripard <mripard@kernel.org>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_priolist_types.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_priolist_types.h | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/i915_priolist_types.h b/drivers/gpu/drm/i915/i915_priolist_types.h index 49709de69875..21037a2e2038 100644 --- a/drivers/gpu/drm/i915/i915_priolist_types.h +++ b/drivers/gpu/drm/i915/i915_priolist_types.h @@ -16,8 +16,6 @@ enum { I915_PRIORITY_MIN = I915_CONTEXT_MIN_USER_PRIORITY - 1, I915_PRIORITY_NORMAL = I915_CONTEXT_DEFAULT_PRIORITY, I915_PRIORITY_MAX = I915_CONTEXT_MAX_USER_PRIORITY + 1, - - I915_PRIORITY_INVALID = INT_MIN }; #define I915_USER_PRIORITY_SHIFT 2 @@ -29,6 +27,19 @@ enum { #define I915_PRIORITY_WAIT ((u8)BIT(0)) #define I915_PRIORITY_NOSEMAPHORE ((u8)BIT(1)) +/* Smallest priority value that cannot be bumped. */ +#define I915_PRIORITY_INVALID (INT_MIN | (u8)I915_PRIORITY_MASK) + +/* + * Requests containing performance queries must not be preempted by + * another context. They get scheduled with their default priority and + * once they reach the execlist ports we ensure that they stick on the + * HW until finished by pretending that they have maximum priority, + * i.e. nothing can have higher priority and force us to usurp the + * active request. + */ +#define I915_PRIORITY_UNPREEMPTABLE INT_MAX + #define __NO_PREEMPTION (I915_PRIORITY_WAIT) struct i915_priolist { |