diff options
| author | Adam Skladowski <a39.skl@gmail.com> | 2023-03-15 01:17:17 +0300 |
|---|---|---|
| committer | Rob Clark <robdclark@chromium.org> | 2023-03-21 00:04:22 +0300 |
| commit | 010c8bbad2cb8c33c47963e29f051f1e917e45a5 (patch) | |
| tree | 5c83c93cd41bb89efca41c35856a569acf9e9243 | |
| parent | 7ec6c41e0b377654e44dd5d61748863ed4d62091 (diff) | |
| download | linux-010c8bbad2cb8c33c47963e29f051f1e917e45a5.tar.xz | |
drm: msm: adreno: Disable preemption on Adreno 510
Downstream driver appears to not support preemption on A510 target,
trying to use one make device slow and fill log with rings related errors.
Set num_rings to 1 to disable preemption.
Suggested-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Fixes: e20c9284c8f2 ("drm/msm/adreno: Add support for Adreno 510 GPU")
Signed-off-by: Adam Skladowski <a39.skl@gmail.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/526898/
Link: https://lore.kernel.org/r/20230314221757.13096-1-a39.skl@gmail.com
Signed-off-by: Rob Clark <robdclark@chromium.org>
| -rw-r--r-- | drivers/gpu/drm/msm/adreno/a5xx_gpu.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c index a1e006ec5dce..0372f8908202 100644 --- a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c @@ -1743,6 +1743,7 @@ struct msm_gpu *a5xx_gpu_init(struct drm_device *dev) struct a5xx_gpu *a5xx_gpu = NULL; struct adreno_gpu *adreno_gpu; struct msm_gpu *gpu; + unsigned int nr_rings; int ret; if (!pdev) { @@ -1763,7 +1764,12 @@ struct msm_gpu *a5xx_gpu_init(struct drm_device *dev) check_speed_bin(&pdev->dev); - ret = adreno_gpu_init(dev, pdev, adreno_gpu, &funcs, 4); + nr_rings = 4; + + if (adreno_is_a510(adreno_gpu)) + nr_rings = 1; + + ret = adreno_gpu_init(dev, pdev, adreno_gpu, &funcs, nr_rings); if (ret) { a5xx_destroy(&(a5xx_gpu->base.base)); return ERR_PTR(ret); |