From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
In
commit 62942ed7279d3e06dc15ae3d47665eff3b373327
Author: Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx>
Date: Fri Jun 13 09:28:33 2014 -0700
drm/i915/vlv: disable PPGTT on early revs v3
we forgot about CHV. IS_VALLEYVIEW() is true for CHV, so we need to
explicitly avoid disabling PPGTT on CHV.
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/i915_gem_gtt.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index a4153ee..5188936 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -64,7 +64,8 @@ static int sanitize_enable_ppgtt(struct drm_device *dev, int enable_ppgtt)
#endif
/* Early VLV doesn't have this */
- if (IS_VALLEYVIEW(dev) && dev->pdev->revision < 0xb) {
+ if (IS_VALLEYVIEW(dev) && !IS_CHERRYVIEW(dev) &&
+ dev->pdev->revision < 0xb) {
DRM_DEBUG_DRIVER("disabling PPGTT on pre-B3 step VLV\n");
return 0;
}
--
1.8.5.5
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