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drm/i915: Turn off the CUS when turning off a HDR plane 

We're currently leaving the CUS enabled if we disable the
master plane directly after scanning out NV12.

Could perhaps cause the selected slave plane to misbehave
if we try to use it for scanning out something non-NV12?

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190315195445.26527-2-ville.syrjala@linux.intel.com
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=110032
This commit is contained in:
Ville Syrjälä 2019-03-15 21:54:45 +02:00
parent 5a0404408d
commit 7c1200456c
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/i915/intel_sprite.c
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@ -622,6 +622,9 @@ skl_disable_plane(struct intel_plane *plane,
spin_lock_irqsave(&dev_priv->uncore.lock, irqflags);
if (icl_is_hdr_plane(dev_priv, plane_id))
I915_WRITE_FW(PLANE_CUS_CTL(pipe, plane_id), 0);
skl_write_plane_wm(plane, crtc_state);
I915_WRITE_FW(PLANE_CTL(pipe, plane_id), 0);