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path: root/drivers/gpu/drm/i915/intel_display.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
-rw-r--r--drivers/gpu/drm/i915/intel_display.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 1096066cd2e..fe2bb77c221 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -1836,8 +1836,10 @@ static void intel_disable_pipe(struct drm_i915_private *dev_priv,
void intel_flush_display_plane(struct drm_i915_private *dev_priv,
enum plane plane)
{
- I915_WRITE(DSPADDR(plane), I915_READ(DSPADDR(plane)));
- I915_WRITE(DSPSURF(plane), I915_READ(DSPSURF(plane)));
+ if (dev_priv->info->gen >= 4)
+ I915_WRITE(DSPSURF(plane), I915_READ(DSPSURF(plane)));
+ else
+ I915_WRITE(DSPADDR(plane), I915_READ(DSPADDR(plane)));
}
/**