diff options
| author | Antonino Maniscalco <antomani103@gmail.com> | 2024-10-03 18:13:00 +0200 |
|---|---|---|
| committer | Rob Clark <robdclark@chromium.org> | 2024-10-03 13:21:52 -0700 |
| commit | 20f3327575a5498ceb7bd30cdefc8173dd1e454d (patch) | |
| tree | c9b196d7e6192905e66236e2d2fc1565adcbc708 /drivers/gpu/drm/msm/msm_submitqueue.c | |
| parent | 7788d320ba5ecbfa88d0be8c32ef8f018f2f020f (diff) | |
drm/msm/a6xx: Enable preemption for tested a7xx targets
Initialize with 4 rings to enable preemption.
Add the "preemption_enabled" module parameter to override this.
Tested-by: Rob Clark <robdclark@gmail.com>
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8650-QRD
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-QRD
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8450-HDK
Signed-off-by: Antonino Maniscalco <antomani103@gmail.com>
Patchwork: https://patchwork.freedesktop.org/patch/618029/
Signed-off-by: Rob Clark <robdclark@chromium.org>
Diffstat (limited to 'drivers/gpu/drm/msm/msm_submitqueue.c')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_submitqueue.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/gpu/drm/msm/msm_submitqueue.c b/drivers/gpu/drm/msm/msm_submitqueue.c index 9b3ffca3f3b4..2fc3eaf81f44 100644 --- a/drivers/gpu/drm/msm/msm_submitqueue.c +++ b/drivers/gpu/drm/msm/msm_submitqueue.c @@ -161,6 +161,8 @@ int msm_submitqueue_create(struct drm_device *drm, struct msm_file_private *ctx, struct msm_drm_private *priv = drm->dev_private; struct msm_gpu_submitqueue *queue; enum drm_sched_priority sched_prio; + extern int enable_preemption; + bool preemption_supported; unsigned ring_nr; int ret; @@ -170,7 +172,9 @@ int msm_submitqueue_create(struct drm_device *drm, struct msm_file_private *ctx, if (!priv->gpu) return -ENODEV; - if (flags & MSM_SUBMITQUEUE_ALLOW_PREEMPT && priv->gpu->nr_rings == 1) + preemption_supported = priv->gpu->nr_rings == 1 && enable_preemption != 0; + + if (flags & MSM_SUBMITQUEUE_ALLOW_PREEMPT && preemption_supported) return -EINVAL; ret = msm_gpu_convert_priority(priv->gpu, prio, &ring_nr, &sched_prio); |