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| author | Imre Deak <imre.deak@intel.com> | 2021-10-27 01:50:59 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-11-18 19:17:11 +0100 |
| commit | 2cf82ea0a46d2b962652ad7aa9f0581a3bf284e3 (patch) | |
| tree | 6efa50260ec3e12bcba0606816f2e229553995be /init | |
| parent | fea0b9507bb7e03a9414301fe8c09e44f7f70a13 (diff) | |
drm/i915/fb: Fix rounding error in subsampled plane size calculation
[ Upstream commit 90ab96f3872eae816f4e07deaa77322a91237960 ]
For NV12 FBs with odd main surface tile-row height the CCS surface
height was incorrectly calculated 1 less than the actual value. Fix this
by rounding up the result of divison. For consistency do the same for
the CCS surface width calculation.
Fixes: b3e57bccd68a ("drm/i915/tgl: Gen-12 render decompression")
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211026225105.2783797-2-imre.deak@intel.com
(cherry picked from commit 2ee5ef9c934ad26376c9282171e731e6c0339815)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'init')
0 files changed, 0 insertions, 0 deletions