From 30ca7c6f97e266d122b03261f75f530d5c83608b Mon Sep 17 00:00:00 2001 From: Rodrigo Vivi Date: Mon, 6 May 2013 19:37:34 -0300 Subject: [PATCH] drm/i915: IVB FBC WaFbcAsynchFlipDisableFbcQueue MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Display register 42000h bit 22 must be set to 1b for the entire time that Frame Buffer Compression is enabled. Reviewed-by: Ville Syrjälä Signed-off-by: Rodrigo Vivi Signed-off-by: Daniel Vetter --- drivers/gpu/drm/i915/intel_pm.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index e398963797a6..48283167c195 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -268,6 +268,8 @@ static void gen7_enable_fbc(struct drm_crtc *crtc, unsigned long interval) IVB_DPFC_CTL_FENCE_EN | intel_crtc->plane << IVB_DPFC_CTL_PLANE_SHIFT); + /* WaFbcAsynchFlipDisableFbcQueue */ + I915_WRITE(ILK_DISPLAY_CHICKEN1, ILK_FBCQ_DIS); I915_WRITE(SNB_DPFC_CTL_SA, SNB_CPU_FENCE_ENABLE | obj->fence_reg); I915_WRITE(DPFC_CPU_FENCE_OFFSET, crtc->y); -- GitLab