diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_engine_cs.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_engine_cs.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c index 2aa3e0d7e6a3..5990f8500bca 100644 --- a/drivers/gpu/drm/i915/intel_engine_cs.c +++ b/drivers/gpu/drm/i915/intel_engine_cs.c @@ -1043,22 +1043,34 @@ void intel_engines_reset_default_submission(struct drm_i915_private *i915) engine->set_default_submission(engine); } +static bool reset_engines(struct drm_i915_private *i915) +{ + if (INTEL_INFO(i915)->gpu_reset_clobbers_display) + return false; + + return intel_gpu_reset(i915, ALL_ENGINES) == 0; +} + /** * intel_engines_sanitize: called after the GPU has lost power * @i915: the i915 device + * @force: ignore a failed reset and sanitize engine state anyway * * Anytime we reset the GPU, either with an explicit GPU reset or through a * PCI power cycle, the GPU loses state and we must reset our state tracking * to match. Note that calling intel_engines_sanitize() if the GPU has not * been reset results in much confusion! */ -void intel_engines_sanitize(struct drm_i915_private *i915) +void intel_engines_sanitize(struct drm_i915_private *i915, bool force) { struct intel_engine_cs *engine; enum intel_engine_id id; GEM_TRACE("\n"); + if (!reset_engines(i915) && !force) + return; + for_each_engine(engine, i915, id) { if (engine->reset.reset) engine->reset.reset(engine, NULL); |