drm/i915: Fix watermark calculations for gen12+ MC CCS modifier
authorVille Syrjälä <ville.syrjala@linux.intel.com>
Mon, 3 Oct 2022 11:15:40 +0000 (14:15 +0300)
committerTvrtko Ursulin <tvrtko.ursulin@intel.com>
Mon, 3 Oct 2022 16:55:19 +0000 (17:55 +0100)
commit484b2b9281000274ef7c5cb0a9ebc5da6f5c281c
tree0e5290f2097ba81af70283ff329e268213ea7b0f
parentc56453a00f19ccddee302f5f9fe96b80e0b47fd3
drm/i915: Fix watermark calculations for gen12+ MC CCS modifier

Take the gen12+ MC CCS modifier into account when calculating the
watermarks. Othwerwise we'll calculate the watermarks thinking this
Y-tiled modifier is linear.

The rc_surface part is actually a nop since that is not used
for any glk+ platform.

v2: Split RC CCS vs. MC CCS to separate patches

Cc: stable@vger.kernel.org
Fixes: 2dfbf9d2873a ("drm/i915/tgl: Gen-12 display can decompress surfaces compressed by the media engine")
Reviewed-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221003111544.8007-3-ville.syrjala@linux.intel.com
(cherry picked from commit 91c9651425fe955b1387f3637607dda005f3f710)
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
drivers/gpu/drm/i915/display/skl_watermark.c