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[3/4] drm/i915: Reset ILK during GEM sanitization

Message ID 1493366019-18380-3-git-send-email-joonas.lahtinen@linux.intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Joonas Lahtinen April 28, 2017, 7:53 a.m. UTC 
ILK should survive a reset without display corruption.

Suggested-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
---
 drivers/gpu/drm/i915/i915_gem.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)
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Patch

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index ea34a32..f5f6057 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -4485,10 +4485,9 @@  void i915_gem_sanitize(struct drm_i915_private *i915)
 	 * try to take over. The only way to remove the earlier state
 	 * is by resetting. However, resetting on earlier gen is tricky as
 	 * it may impact the display and we are uncertain about the stability
-	 * of the reset, so we only reset recent machines with logical
-	 * context support (that must be reset to remove any stray contexts).
+	 * of the reset, so this could be applied to even earlier gen.
 	 */
-	if (INTEL_GEN(i915) >= 6) {
+	if (INTEL_GEN(i915) >= 5) {
 		int reset = intel_gpu_reset(i915, ALL_ENGINES);
 		WARN_ON(reset && reset != -ENODEV);
 	}