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drm/i915: Fix compute pre-emption w/a to apply to compute engines

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An earlier patch added support for compute engines. However, it missed
enabling the anti-pre-emption w/a for the new engine class. So move
the 'compute capable' flag earlier and use it for the pre-emption w/a
test.

Fixes: c674c5b9342e ("drm/i915/xehp: CCS should use RCS setup functions")
Cc: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Aravind Iddamsetty <aravind.iddamsetty@intel.com>
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: John Harrison <John.C.Harrison@Intel.com>
Cc: Jason Ekstrand <jason@jlekstrand.net>
Cc: "Michał Winiarski" <michal.winiarski@intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tejas Upadhyay <tejaskumarx.surendrakumar.upadhyay@intel.com>
Cc: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Cc: "Thomas Hellström" <thomas.hellstrom@linux.intel.com>
Cc: Stuart Summers <stuart.summers@intel.com>
Cc: Matthew Auld <matthew.auld@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Ramalingam C <ramalingam.c@intel.com>
Cc: Akeem G Abodunrin <akeem.g.abodunrin@intel.com>
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221006213813.1563435-3-John.C.Harrison@Intel.com
This commit is contained in:
John Harrison 2022-10-06 14:38:11 -07:00
parent 568944af44
commit c3bd49cd9a
1 changed files with 12 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
drivers/gpu/drm/i915/gt/intel_engine_cs.c
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@ -486,6 +486,17 @@ static int intel_engine_setup(struct intel_gt *gt, enum intel_engine_id id,
engine->logical_mask = BIT(logical_instance);
__sprint_engine_name(engine);
if ((engine->class == COMPUTE_CLASS && !RCS_MASK(engine->gt) &&
__ffs(CCS_MASK(engine->gt)) == engine->instance) ||
engine->class == RENDER_CLASS)
engine->flags |= I915_ENGINE_FIRST_RENDER_COMPUTE;
/* features common between engines sharing EUs */
if (engine->class == RENDER_CLASS || engine->class == COMPUTE_CLASS) {
engine->flags |= I915_ENGINE_HAS_RCS_REG_STATE;
engine->flags |= I915_ENGINE_HAS_EU_PRIORITY;
}
engine->props.heartbeat_interval_ms =
CONFIG_DRM_I915_HEARTBEAT_INTERVAL;
engine->props.max_busywait_duration_ns =
@ -498,20 +509,9 @@ static int intel_engine_setup(struct intel_gt *gt, enum intel_engine_id id,
CONFIG_DRM_I915_TIMESLICE_DURATION;
/* Override to uninterruptible for OpenCL workloads. */
if (GRAPHICS_VER(i915) == 12 && engine->class == RENDER_CLASS)
if (GRAPHICS_VER(i915) == 12 && (engine->flags & I915_ENGINE_HAS_RCS_REG_STATE))
engine->props.preempt_timeout_ms = 0;
if ((engine->class == COMPUTE_CLASS && !RCS_MASK(engine->gt) &&
__ffs(CCS_MASK(engine->gt)) == engine->instance) ||
engine->class == RENDER_CLASS)
engine->flags |= I915_ENGINE_FIRST_RENDER_COMPUTE;
/* features common between engines sharing EUs */
if (engine->class == RENDER_CLASS || engine->class == COMPUTE_CLASS) {
engine->flags |= I915_ENGINE_HAS_RCS_REG_STATE;
engine->flags |= I915_ENGINE_HAS_EU_PRIORITY;
}
/* Cap properties according to any system limits */
#define CLAMP_PROP(field) \
do { \