Merge tag 'amd-drm-next-6.20-2026-01-09' of https://gitlab.freedesktop.org/agd5f/linux into drm-next

amd-drm-next-6.20-2026-01-09:

amdgpu:
- GPUVM updates
- Initial support for larger GPU address spaces
- Initial SMUIO 15.x support
- Documentation updates
- Initial PSP 15.x support
- Initial IH 7.1 support
- Initial IH 6.1.1 support
- SMU 13.0.12 updates
- RAS updates
- Initial MMHUB 3.4 support
- Initial MMHUB 4.2 support
- Initial GC 12.1 support
- Initial GC 11.5.4 support
- HDMI fixes
- Panel replay improvements
- DML updates
- DC FP fixes
- Initial SDMA 6.1.4 support
- Initial SDMA 7.1 support
- Userq updates
- DC HPD refactor
- SwSMU cleanups and refactoring
- TTM memory ops parallelization
- DCN 3.5 fixes
- DP audio fixes
- Clang fixes
- Misc spelling fixes and cleanups
- Initial SDMA 7.11.4 support
- Convert legacy DRM logging helpers to new drm logging helpers
- Initial JPEG 5.3 support
- Add support for changing UMA size via the driver
- DC analog fixes
- GC 9 gfx queue reset support
- Initial SMU 15.x support

amdkfd:
- Reserved SDMA rework
- Refactor SPM
- Initial GC 12.1 support
- Initial GC 11.5.4 support
- Initial SDMA 7.1 support
- Initial SDMA 6.1.4 support
- Increase the kfd process hash table
- Per context support
- Topology fixes

radeon:
- Convert legacy DRM logging helpers to new drm logging helpers
- Use devm for i2c adapters
- Variable sized array fix
- Misc cleanups

UAPI:
- KFD context support.  Proposed userspace:
  https://github.com/ROCm/rocm-systems/pull/1705
  https://github.com/ROCm/rocm-systems/pull/1701
- Add userq metadata queries for more queue types.  Proposed userspace:
  https://gitlab.freedesktop.org/yogeshmohan/mesa/-/commits/userq_query

From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patch.msgid.link/20260109154713.3242957-1-alexander.deucher@amd.com
Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 9 insertions, 4 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
index c596b6df2e2d..600e6bb98af7 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
@@ -76,8 +76,12 @@ unsigned int amdgpu_ring_max_ibs(enum amdgpu_ring_type type)
  * @ring: amdgpu_ring structure holding ring information
  * @ndw: number of dwords to allocate in the ring buffer
  *
- * Allocate @ndw dwords in the ring buffer (all asics).
- * Returns 0 on success, error on failure.
+ * Allocate @ndw dwords in the ring buffer. The number of dwords should be the
+ * sum of all commands written to the ring.
+ *
+ * Returns:
+ * 0 on success, otherwise -ENOMEM if it tries to allocate more than the
+ * maximum dword allowed for one submission.
  */
 int amdgpu_ring_alloc(struct amdgpu_ring *ring, unsigned int ndw)
 {
@@ -123,7 +127,8 @@ static void amdgpu_ring_alloc_reemit(struct amdgpu_ring *ring, unsigned int ndw)
 		ring->funcs->begin_use(ring);
 }
 
-/** amdgpu_ring_insert_nop - insert NOP packets
+/**
+ * amdgpu_ring_insert_nop - insert NOP packets
  *
  * @ring: amdgpu_ring structure holding ring information
  * @count: the number of NOP packets to insert
@@ -186,7 +191,7 @@ void amdgpu_ring_commit(struct amdgpu_ring *ring)
 	uint32_t count;
 
 	if (ring->count_dw < 0)
-		DRM_ERROR("amdgpu: writing more dwords to the ring than expected!\n");
+		drm_err(adev_to_drm(ring->adev), "writing more dwords to the ring than expected!\n");
 
 	/* We pad to match fetch size */
 	count = ring->funcs->align_mask + 1 -