diff options
| author | Rob Clark <robdclark@chromium.org> | 2021-10-18 08:36:25 -0700 |
|---|---|---|
| committer | Rob Clark <robdclark@chromium.org> | 2021-10-18 14:31:57 -0700 |
| commit | 5ca6779d2f18b195cb3b66a14a271911fc609094 (patch) | |
| tree | 5e31692f35f27737b300d01d7fe866e737512523 /drivers/gpu/drm/msm/adreno | |
| parent | c8f01ffc83923a91e8087aaa077de13354a7aa59 (diff) | |
| download | linux-5ca6779d2f18b195cb3b66a14a271911fc609094.tar.bz2 | |
drm/msm/devfreq: Restrict idle clamping to a618 for now
Until we better understand the stability issues caused by frequent
frequency changes, lets limit them to a618.
Signed-off-by: Rob Clark <robdclark@chromium.org>
Tested-by: John Stultz <john.stultz@linaro.org>
Tested-by: Caleb Connolly <caleb.connolly@linaro.org>
Link: https://lore.kernel.org/r/20211018153627.2787882-1-robdclark@gmail.com
Signed-off-by: Rob Clark <robdclark@chromium.org>
Diffstat (limited to 'drivers/gpu/drm/msm/adreno')
| -rw-r--r-- | drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c index 33da25b81615..267a880811d6 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c @@ -1838,6 +1838,13 @@ 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); |