This is a note to let you know that I've just added the patch titled
drm/msm/a5xx: fix highest bank bit for a530
to the 5.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-msm-a5xx-fix-highest-bank-bit-for-a530.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 648758a13d4c43541faca78a2826b612a2b8389e
Author: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
Date: Tue Feb 14 05:09:54 2023 +0300
drm/msm/a5xx: fix highest bank bit for a530
[ Upstream commit 141f66ebbfa17cc7e2075f06c50107da978c965b ]
A530 has highest bank bit equal to 15 (like A540). Fix values written to
REG_A5XX_RB_MODE_CNTL and REG_A5XX_TPL1_MODE_CNTL registers.
Fixes: 1d832ab30ce6 ("drm/msm/a5xx: Add support for Adreno 508, 509, 512 GPUs")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
Patchwork: https://patchwork.freedesktop.org/patch/522639/
Link: https://lore.kernel.org/r/20230214020956.164473-3-dmitry.baryshkov@xxxxxxxxxx
Signed-off-by: Rob Clark <robdclark@xxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c
index c1bc5e2aaefe5..b8c49ba65254c 100644
--- a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c
@@ -801,7 +801,7 @@ static int a5xx_hw_init(struct msm_gpu *gpu)
gpu_write(gpu, REG_A5XX_RBBM_AHB_CNTL2, 0x0000003F);
/* Set the highest bank bit */
- if (adreno_is_a540(adreno_gpu))
+ if (adreno_is_a540(adreno_gpu) || adreno_is_a530(adreno_gpu))
regbit = 2;
else
regbit = 1;
