From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
We set up all the bits for DPFC_CONTROL but forgot to actually
write them to the register. Oops.
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/intel_pm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index a7af5b4..75aceaa 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -165,7 +165,7 @@ static void g4x_enable_fbc(struct drm_crtc *crtc)
I915_WRITE(DPFC_FENCE_YOFF, crtc->y);
/* enable it... */
- I915_WRITE(DPFC_CONTROL, I915_READ(DPFC_CONTROL) | DPFC_CTL_EN);
+ I915_WRITE(DPFC_CONTROL, dpfc_ctl | DPFC_CTL_EN);
DRM_DEBUG_KMS("enabled fbc on plane %c\n", plane_name(intel_crtc->plane));
}
--
1.8.3.2
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