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authorLinus Torvalds <torvalds@linux-foundation.org>2024-07-05 11:53:40 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2024-07-05 11:53:40 -0700
commitdd9d7390b2de008448eb3328d4a0504c76c74572 (patch)
tree83df25766d3bb385a20c7418713a13ec18d3d66c /include/uapi
parent968460731f95be9977bc59a513acbc5afc71117d (diff)
parent3c6f5afd91cfacba9f43fd388f2d88c85195ae32 (diff)
Merge tag 'drm-fixes-2024-07-05' of https://gitlab.freedesktop.org/drm/kernel
Pull drm fixes from Daniel Vetter: "Just small fixes all over here, all quiet as it should. drivers: - amd: mostly amdgpu display fixes + radeon vm NULL deref fix - xe: migration error handling + typoed register name in gt setup - i915: usb-c fix to shut up warnings on MTL+ - panthor: fix sync-only jobs + ioctl validation fix to not EINVAL wrongly - panel quirks - nouveau: NULL deref in get_modes drm core: - fbdev big endian fix for the dma memory backed variant drivers/firmware: - fix sysfb refcounting" * tag 'drm-fixes-2024-07-05' of https://gitlab.freedesktop.org/drm/kernel: drm/xe/mcr: Avoid clobbering DSS steering drm/xe: fix error handling in xe_migrate_update_pgtables drm/ttm: Always take the bo delayed cleanup path for imported bos drm/fbdev-generic: Fix framebuffer on big endian devices drm/panthor: Fix sync-only jobs drm/panthor: Don't check the array stride on empty uobj arrays drm/amdgpu/atomfirmware: silence UBSAN warning drm/radeon: check bo_va->bo is non-NULL before using it drm/amd/display: Fix array-index-out-of-bounds in dml2/FCLKChangeSupport drm/amd/display: Update efficiency bandwidth for dcn351 drm/amd/display: Fix refresh rate range for some panel drm/amd/display: Account for cursor prefetch BW in DML1 mode support drm/amd/display: Add refresh rate range check drm/amd/display: Reset freesync config before update new state drm: panel-orientation-quirks: Add labels for both Valve Steam Deck revisions drm: panel-orientation-quirks: Add quirk for Valve Galileo drm/i915/display: For MTL+ platforms skip mg dp programming drm/nouveau: fix null pointer dereference in nouveau_connector_get_modes firmware: sysfb: Fix reference count of sysfb parent device
Diffstat (limited to 'include/uapi')
-rw-r--r--include/uapi/drm/panthor_drm.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/uapi/drm/panthor_drm.h b/include/uapi/drm/panthor_drm.h
index aaed8e12ad0b..926b1deb1116 100644
--- a/include/uapi/drm/panthor_drm.h
+++ b/include/uapi/drm/panthor_drm.h
@@ -802,6 +802,9 @@ struct drm_panthor_queue_submit {
* Must be 64-bit/8-byte aligned (the size of a CS instruction)
*
* Can be zero if stream_addr is zero too.
+ *
+ * When the stream size is zero, the queue submit serves as a
+ * synchronization point.
*/
__u32 stream_size;
@@ -822,6 +825,8 @@ struct drm_panthor_queue_submit {
* ensure the GPU doesn't get garbage when reading the indirect command
* stream buffers. If you want the cache flush to happen
* unconditionally, pass a zero here.
+ *
+ * Ignored when stream_size is zero.
*/
__u32 latest_flush;