The cfb_pitch was only used for 8xx_enable_fbc(), every later routine was just overwriting the value with itself thanks to a copy'n'paste error.
Signed-off-by: Chris Wilson <[email protected]> Reviewed-by: Jesse Barnes <[email protected]> --- drivers/gpu/drm/i915/intel_display.c | 8 ++------ 1 files changed, 2 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index ab78dfd..5c359e5 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -1482,8 +1482,7 @@ static void g4x_enable_fbc(struct drm_crtc *crtc, unsigned long interval) dpfc_ctl = I915_READ(DPFC_CONTROL); if (dpfc_ctl & DPFC_CTL_EN) { - if (dev_priv->cfb_pitch == dev_priv->cfb_pitch / 64 - 1 && - dev_priv->cfb_fence == obj->fence_reg && + if (dev_priv->cfb_fence == obj->fence_reg && dev_priv->cfb_plane == intel_crtc->plane && dev_priv->cfb_y == crtc->y) return; @@ -1492,7 +1491,6 @@ static void g4x_enable_fbc(struct drm_crtc *crtc, unsigned long interval) intel_wait_for_vblank(dev, intel_crtc->pipe); } - dev_priv->cfb_pitch = (dev_priv->cfb_pitch / 64) - 1; dev_priv->cfb_fence = obj->fence_reg; dev_priv->cfb_plane = intel_crtc->plane; dev_priv->cfb_y = crtc->y; @@ -1572,8 +1570,7 @@ static void ironlake_enable_fbc(struct drm_crtc *crtc, unsigned long interval) dpfc_ctl = I915_READ(ILK_DPFC_CONTROL); if (dpfc_ctl & DPFC_CTL_EN) { - if (dev_priv->cfb_pitch == dev_priv->cfb_pitch / 64 - 1 && - dev_priv->cfb_fence == obj->fence_reg && + if (dev_priv->cfb_fence == obj->fence_reg && dev_priv->cfb_plane == intel_crtc->plane && dev_priv->cfb_offset == obj->gtt_offset && dev_priv->cfb_y == crtc->y) @@ -1583,7 +1580,6 @@ static void ironlake_enable_fbc(struct drm_crtc *crtc, unsigned long interval) intel_wait_for_vblank(dev, intel_crtc->pipe); } - dev_priv->cfb_pitch = (dev_priv->cfb_pitch / 64) - 1; dev_priv->cfb_fence = obj->fence_reg; dev_priv->cfb_plane = intel_crtc->plane; dev_priv->cfb_offset = obj->gtt_offset; -- 1.7.5.4 _______________________________________________ Intel-gfx mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/intel-gfx
