From: Konrad Dybcio <konrad.dybcio@linaro.org>
Date: Thu, 6 Jun 2024 11:10:49 +0000 (+0200)
Subject: drm/msm/a6xx: Fix A702 UBWC mode
X-Git-Tag: v6.11-rc1~141^2~4^2~53
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=593f1dd4c81f6932042508a80186dbdea90312a5;p=thirdparty%2Flinux.git

drm/msm/a6xx: Fix A702 UBWC mode

UBWC_MODE is a one-bit-wide field, so a value of 2 is obviously bogus.

Replace it with the correct value (0).

Fixes: 18397519cb62 ("drm/msm/adreno: Add A702 support")
Reported-by: Connor Abbott <cwabbott0@gmail.com>
Closes: https://lore.kernel.org/linux-arm-msm/CACu1E7FTN=kwaDJMNiTmFspALzj2+Q-nvsN5ugi=vz4RdUGvGw@mail.gmail.com/
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/597359/
Signed-off-by: Rob Clark <robdclark@chromium.org>
---

diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
index aa37b0dcd58e6..8e40873611578 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
@@ -547,7 +547,7 @@ static void a6xx_calc_ubwc_config(struct adreno_gpu *gpu)
 	if (adreno_is_a702(gpu)) {
 		gpu->ubwc_config.highest_bank_bit = 14;
 		gpu->ubwc_config.min_acc_len = 1;
-		gpu->ubwc_config.ubwc_mode = 2;
+		gpu->ubwc_config.ubwc_mode = 0;
 	}
 }