drm/i915: Make sure plane dims are correct for UV CCS planes
authorImre Deak <imre.deak@intel.com>
Wed, 25 Dec 2019 23:27:41 +0000 (01:27 +0200)
committerImre Deak <imre.deak@intel.com>
Tue, 7 Jan 2020 11:15:35 +0000 (13:15 +0200)
commit577687bfaae465f2c5770892af79da2d83a0e686
treea2639bfd8493d1cd755eb599f7115f89f245eb79
parent5cf15dfca91c1174e6ca659e29dcbe9bd137a552
drm/i915: Make sure plane dims are correct for UV CCS planes

As intel_fb_plane_get_subsampling() returns the subsampling factor wrt.
its main plane, for a CCS plane we need to apply both the main and the
CCS plane's subsampling factor on the FB's dimensions to get the CCS
plane's dimensions.

Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Cc: Mika Kahola <mika.kahola@intel.com>
Cc: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Mika Kahola <mika.kahola@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191231233756.18753-5-imre.deak@intel.com
drivers/gpu/drm/i915/display/intel_display.c