drm/i915: Fix read back of plane stride register
According to the specifications bit 6 is actually valid in the stride register.
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Rafael Barbalho <rafael.barbalho@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index c0575ea..71957e7 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -6211,7 +6211,7 @@
crtc->base.primary->fb->height = ((val >> 0) & 0xfff) + 1;
val = I915_READ(DSPSTRIDE(pipe));
- crtc->base.primary->fb->pitches[0] = val & 0xffffff80;
+ crtc->base.primary->fb->pitches[0] = val & 0xffffffc0;
aligned_height = intel_align_height(dev, crtc->base.primary->fb->height,
plane_config->tiled);
@@ -7247,7 +7247,7 @@
crtc->base.primary->fb->height = ((val >> 0) & 0xfff) + 1;
val = I915_READ(DSPSTRIDE(pipe));
- crtc->base.primary->fb->pitches[0] = val & 0xffffff80;
+ crtc->base.primary->fb->pitches[0] = val & 0xffffffc0;
aligned_height = intel_align_height(dev, crtc->base.primary->fb->height,
plane_config->tiled);