[PATCH 19/33] drm/i915: Generalize i915_gem_sanitize() to reset contexts
Chris Wilson
chris at chris-wilson.co.uk
Wed Dec 20 22:34:06 UTC 2017
While we believe that we need to always reset the GPU to scrub the state
on transition to/from the driver, it is essential when we enable contexts.
Generalize the gen test to be on context-support instead.
References: d2b4b97933f5 ("drm/i915: Record the default hw state after reset upon load"
Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
Cc: Ville Syrjälä <ville.syrjala at linux.intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
---
drivers/gpu/drm/i915/i915_gem.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index ba9f67c256f4..9836be650041 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -4792,7 +4792,7 @@ void i915_gem_sanitize(struct drm_i915_private *i915)
* it may impact the display and we are uncertain about the stability
* of the reset, so this could be applied to even earlier gen.
*/
- if (INTEL_GEN(i915) >= 5) {
+ if (i915->engine[RCS]->context_size) {
int reset = intel_gpu_reset(i915, ALL_ENGINES);
WARN_ON(reset && reset != -ENODEV);
}
--
2.15.1
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