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drm/msm/a6xx: Disable rgb565_predicator on Adreno 7c3

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[ Upstream commit 5a9c1bea011fb42088ba08ceaa252fb20e695626 ]

This feature is supposed to be enabled with UBWC v4 or later.
Implementations of this SKU feature an effective UBWC version of 3, so
disable it, in line with the BSP kernel.

Reported-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Reviewed-by: Akhil P Oommen <quic_akhilpo@quicinc.com>
Fixes: 192f4ee3e4 ("drm/msm/a6xx: Add support for Adreno 7c Gen 3 gpu")
Signed-off-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Patchwork: https://patchwork.freedesktop.org/patch/651759/
Signed-off-by: Rob Clark <robdclark@chromium.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Konrad Dybcio
2025-05-05 13:13:40 +02:00
committed by Greg Kroah-Hartman
parent 295f1b128c
commit 5c2efbb372
1 changed files with 0 additions and 1 deletions
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1
drivers/gpu/drm/msm/adreno/a6xx_gpu.c
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@@ -554,7 +554,6 @@ static void a6xx_calc_ubwc_config(struct adreno_gpu *gpu)
if (adreno_is_7c3(gpu)) {
gpu->ubwc_config.highest_bank_bit = 14;
gpu->ubwc_config.amsbc = 1;
gpu->ubwc_config.rgb565_predicator = 1;
gpu->ubwc_config.uavflagprd_inv = 2;
gpu->ubwc_config.macrotile_mode = 1;
}