This is a note to let you know that I've just added the patch titled
drm/msm: Enable clamp_to_idle for 7c3
to the 6.1-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-enable-clamp_to_idle-for-7c3.patch
and it can be found in the queue-6.1 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 54905d3d9d507408557ae12474c24d35d5692e88
Author: Rob Clark <robdclark@xxxxxxxxxxxx>
Date: Tue Nov 15 07:55:33 2022 -0800
drm/msm: Enable clamp_to_idle for 7c3
[ Upstream commit 2c1b7748100e2e40155722589201f24c23ae5d53 ]
This was overlooked.
Signed-off-by: Rob Clark <robdclark@xxxxxxxxxxxx>
Reviewed-by: Douglas Anderson <dianders@xxxxxxxxxxxx>
Reviewed-by: Chia-I Wu <olvaffe@xxxxxxxxx>
Patchwork: https://patchwork.freedesktop.org/patch/511693/
Link: https://lore.kernel.org/r/20221115155535.1615278-1-robdclark@xxxxxxxxx
Stable-dep-of: 46d4efcccc68 ("drm/msm/a6xx: Avoid a nullptr dereference when speedbin setting fails")
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
index 95e73eddc5e91..cdce27adbd03b 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
@@ -2036,13 +2036,6 @@ struct msm_gpu *a6xx_gpu_init(struct drm_device *dev)
adreno_cmp_rev(ADRENO_REV(6, 3, 5, ANY_ID), info->rev)))
adreno_gpu->base.hw_apriv = true;
- /*
- * For now only clamp to idle freq for devices where this is known not
- * to cause power supply issues:
- */
- if (info && (info->revn == 618))
- gpu->clamp_to_idle = true;
-
a6xx_llc_slices_init(pdev, a6xx_gpu);
ret = a6xx_set_supported_hw(&pdev->dev, config->rev);
@@ -2057,6 +2050,13 @@ struct msm_gpu *a6xx_gpu_init(struct drm_device *dev)
return ERR_PTR(ret);
}
+ /*
+ * For now only clamp to idle freq for devices where this is known not
+ * to cause power supply issues:
+ */
+ if (adreno_is_a618(adreno_gpu) || adreno_is_7c3(adreno_gpu))
+ gpu->clamp_to_idle = true;
+
/* Check if there is a GMU phandle and set it up */
node = of_parse_phandle(pdev->dev.of_node, "qcom,gmu", 0);
