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authorZhi Wang <zhi.a.wang@intel.com>2016-09-06 04:04:12 (GMT)
committerJani Nikula <jani.nikula@intel.com>2016-09-06 13:40:00 (GMT)
commite320d40022128845dfff900422ea9fd69f576c98 (patch)
tree9a7408d580643902207658f2dbd1d352b7180c70 /drivers/gpu
parent8ef89995c735f978d5dfcb3ca6bce70d41728c91 (diff)
downloadlinux-e320d40022128845dfff900422ea9fd69f576c98.tar.xz
drm/i915: disable 48bit full PPGTT when vGPU is active
Disable 48bit full PPGTT on vGPU too for now. Signed-off-by: Zhi Wang <zhi.a.wang@intel.com> Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com> Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Acked-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: drm-intel-fixes@lists.freedesktop.org Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20160906040412.1274-3-zhenyuw@linux.intel.com
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/i915/i915_gem_gtt.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 570e731..e16c380 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -124,8 +124,11 @@ int intel_sanitize_enable_ppgtt(struct drm_i915_private *dev_priv,
has_full_48bit_ppgtt =
IS_BROADWELL(dev_priv) || INTEL_GEN(dev_priv) >= 9;
- if (intel_vgpu_active(dev_priv))
- has_full_ppgtt = false; /* emulation is too hard */
+ if (intel_vgpu_active(dev_priv)) {
+ /* emulation is too hard */
+ has_full_ppgtt = false;
+ has_full_48bit_ppgtt = false;
+ }
if (!has_aliasing_ppgtt)
return 0;
@@ -160,7 +163,7 @@ int intel_sanitize_enable_ppgtt(struct drm_i915_private *dev_priv,
return 0;
}
- if (INTEL_GEN(dev_priv) >= 8 && i915.enable_execlists)
+ if (INTEL_GEN(dev_priv) >= 8 && i915.enable_execlists && has_full_ppgtt)
return has_full_48bit_ppgtt ? 3 : 2;
else
return has_aliasing_ppgtt ? 1 : 0;