diff options
| author | Adam Skladowski <[email protected]> | 2023-03-14 23:17:17 +0100 |
|---|---|---|
| committer | Rob Clark <[email protected]> | 2023-03-20 14:04:22 -0700 |
| commit | 010c8bbad2cb8c33c47963e29f051f1e917e45a5 (patch) | |
| tree | 5c83c93cd41bb89efca41c35856a569acf9e9243 | |
| parent | 7ec6c41e0b377654e44dd5d61748863ed4d62091 (diff) | |
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 <[email protected]>
Fixes: e20c9284c8f2 ("drm/msm/adreno: Add support for Adreno 510 GPU")
Signed-off-by: Adam Skladowski <[email protected]>
Reviewed-by: Dmitry Baryshkov <[email protected]>
Patchwork: https://patchwork.freedesktop.org/patch/526898/
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Rob Clark <[email protected]>
| -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); |