[PATCH v2 9/9] drm/msm/A6xx: Enable preemption for A750

Antonino Maniscalco antomani103 at gmail.com
Fri Aug 30 15:32:51 UTC 2024


Initialize with 4 rings to enable preemption.

For now only on A750 as other targets require testing.

Signed-off-by: Antonino Maniscalco <antomani103 at gmail.com>
Tested-by: Neil Armstrong <neil.armstrong at linaro.org> # on SM8650-QRD
---
 drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
index a2853309288b..ea518209c03d 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
@@ -2609,7 +2609,9 @@ struct msm_gpu *a6xx_gpu_init(struct drm_device *dev)
 		return ERR_PTR(ret);
 	}
 
-	if (is_a7xx)
+	if (adreno_is_a750(adreno_gpu))
+		ret = adreno_gpu_init(dev, pdev, adreno_gpu, &funcs_a7xx, 4);
+	else if (is_a7xx)
 		ret = adreno_gpu_init(dev, pdev, adreno_gpu, &funcs_a7xx, 1);
 	else if (adreno_has_gmu_wrapper(adreno_gpu))
 		ret = adreno_gpu_init(dev, pdev, adreno_gpu, &funcs_gmuwrapper, 1);

-- 
2.46.0



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