diff options
author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2013-08-07 13:30:23 +0300 |
---|---|---|
committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2013-08-08 14:11:13 +0200 |
commit | 88a94a58a07267d979cc168c3e511b99f4164951 (patch) | |
tree | 9924ce72f21af7d15ec95adb3054d9d1680844e6 /drivers/gpu/drm/i915 | |
parent | b39d53f624d50d1588933e0ab17f19a5f2da5d94 (diff) |
drm/i915: Don't try to disable plane if it's already disabled
Check plane->fb in intel_disable_plane() to determine if the plane
is already disabled.
If the plane has an fb, then it must also have a crtc, so we can drop
the plane->crtc check and just call intel_enable_primary() directly.
v2: WARN and bail if the plane doesn't have a crtc when it should
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915')
-rw-r--r-- | drivers/gpu/drm/i915/intel_sprite.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c index d4e0592e3389..0a174d7e5854 100644 --- a/drivers/gpu/drm/i915/intel_sprite.c +++ b/drivers/gpu/drm/i915/intel_sprite.c @@ -863,8 +863,13 @@ intel_disable_plane(struct drm_plane *plane) struct intel_plane *intel_plane = to_intel_plane(plane); int ret = 0; - if (plane->crtc) - intel_enable_primary(plane->crtc); + if (!plane->fb) + return 0; + + if (WARN_ON(!plane->crtc)) + return -EINVAL; + + intel_enable_primary(plane->crtc); intel_plane->disable_plane(plane, plane->crtc); if (!intel_plane->obj) |