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| author | Rob Clark <robdclark@chromium.org> | 2025-06-29 13:13:14 -0700 |
|---|---|---|
| committer | Rob Clark <robin.clark@oss.qualcomm.com> | 2025-07-04 17:48:37 -0700 |
| commit | 92395af63a9958615edfa9d4ef1ea72c92a00410 (patch) | |
| tree | 644d6e96fd9c92f04f69334acb2cd24ef2bc8374 /include | |
| parent | drm/msm: Use DMA_RESV_USAGE_BOOKKEEP/KERNEL (diff) | |
| download | linux-92395af63a9958615edfa9d4ef1ea72c92a00410.tar.gz linux-92395af63a9958615edfa9d4ef1ea72c92a00410.zip | |
drm/msm: Add VM_BIND submitqueue
This submitqueue type isn't tied to a hw ringbuffer, but instead
executes on the CPU for performing async VM_BIND ops.
Signed-off-by: Rob Clark <robdclark@chromium.org>
Signed-off-by: Rob Clark <robin.clark@oss.qualcomm.com>
Tested-by: Antonino Maniscalco <antomani103@gmail.com>
Reviewed-by: Antonino Maniscalco <antomani103@gmail.com>
Patchwork: https://patchwork.freedesktop.org/patch/661517/
Diffstat (limited to 'include')
| -rw-r--r-- | include/uapi/drm/msm_drm.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/include/uapi/drm/msm_drm.h b/include/uapi/drm/msm_drm.h index 2c2fc4b284d0..6d6cd1219926 100644 --- a/include/uapi/drm/msm_drm.h +++ b/include/uapi/drm/msm_drm.h @@ -385,12 +385,19 @@ struct drm_msm_gem_madvise { /* * Draw queues allow the user to set specific submission parameter. Command * submissions specify a specific submitqueue to use. ID 0 is reserved for - * backwards compatibility as a "default" submitqueue + * backwards compatibility as a "default" submitqueue. + * + * Because VM_BIND async updates happen on the CPU, they must run on a + * virtual queue created with the flag MSM_SUBMITQUEUE_VM_BIND. If we had + * a way to do pgtable updates on the GPU, we could drop this restriction. */ #define MSM_SUBMITQUEUE_ALLOW_PREEMPT 0x00000001 +#define MSM_SUBMITQUEUE_VM_BIND 0x00000002 /* virtual queue for VM_BIND ops */ + #define MSM_SUBMITQUEUE_FLAGS ( \ MSM_SUBMITQUEUE_ALLOW_PREEMPT | \ + MSM_SUBMITQUEUE_VM_BIND | \ 0) /* |