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

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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>
This commit is contained in:
Konrad Dybcio 2025-05-05 13:13:40 +02:00 committed by Rob Clark
parent 25f0f9be83
commit 5a9c1bea01
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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@ -655,7 +655,6 @@ 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;
}