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| author | Rob Clark <robdclark@chromium.org> | 2025-06-29 13:13:07 -0700 |
|---|---|---|
| committer | Rob Clark <robin.clark@oss.qualcomm.com> | 2025-07-04 17:48:36 -0700 |
| commit | b58e12a66e47eaf95b31bbefbc260e5a0b3e638c (patch) | |
| tree | 74c77508ffa87706f2e15b388a884113e4a352a3 /drivers/gpu/drm/msm/msm_drv.h | |
| parent | drm/msm: Mark VM as unusable on GPU hangs (diff) | |
| download | linux-b58e12a66e47eaf95b31bbefbc260e5a0b3e638c.tar.gz linux-b58e12a66e47eaf95b31bbefbc260e5a0b3e638c.zip | |
drm/msm: Add _NO_SHARE flag
Buffers that are not shared between contexts can share a single resv
object. This way drm_gpuvm will not track them as external objects, and
submit-time validating overhead will be O(1) for all N non-shared BOs,
instead of O(n).
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/661497/
Diffstat (limited to 'drivers/gpu/drm/msm/msm_drv.h')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_drv.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h index 0fe3c9a24baa..9b1ccb2b18f6 100644 --- a/drivers/gpu/drm/msm/msm_drv.h +++ b/drivers/gpu/drm/msm/msm_drv.h @@ -269,6 +269,7 @@ int msm_gem_prime_vmap(struct drm_gem_object *obj, struct iosys_map *map); void msm_gem_prime_vunmap(struct drm_gem_object *obj, struct iosys_map *map); struct drm_gem_object *msm_gem_prime_import_sg_table(struct drm_device *dev, struct dma_buf_attachment *attach, struct sg_table *sg); +struct dma_buf *msm_gem_prime_export(struct drm_gem_object *obj, int flags); int msm_gem_prime_pin(struct drm_gem_object *obj); void msm_gem_prime_unpin(struct drm_gem_object *obj); |