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drm/i915: don't deactivate FBC at skylake_disable_primary_plane 

FBC is already deactivated at this point.

Besides, nothing should be calling these lower-level function
pointers. A few months ago, the only caller of
dev_priv->fbc.deactivate was intel_pipe_set_base_atomic(), which was
the kgdboc function. But the following commit added it to the SKL
function:

    commit a8d201af68
    Author: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
    Date:   Thu Jan 7 11:54:11 2016 +0100
        drm/i915: Use plane state for primary plane updates.

Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1454101060-23198-1-git-send-email-paulo.r.zanoni@intel.com
This commit is contained in:
Paulo Zanoni 2016-01-29 18:57:38 -02:00
parent d5165ebd52
commit 3eb7c38bfe
1 changed files with 0 additions and 3 deletions
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3
drivers/gpu/drm/i915/intel_display.c
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@ -3156,9 +3156,6 @@ static void skylake_disable_primary_plane(struct drm_plane *primary,
struct drm_i915_private *dev_priv = dev->dev_private;
int pipe = to_intel_crtc(crtc)->pipe;
if (dev_priv->fbc.deactivate)
dev_priv->fbc.deactivate(dev_priv);
I915_WRITE(PLANE_CTL(pipe, 0), 0);
I915_WRITE(PLANE_SURF(pipe, 0), 0);
POSTING_READ(PLANE_SURF(pipe, 0));