Hi Dave, Sima, A few fixes and a bunch of reverts due to performance regressions with the gpu scheduler fair policy.
Kind regards, ~Maarten Lankhorst drm-misc-fixes-2026-08-13: drm-misc-fixes for v7.3: - Revert fair scheduler patches and mark fair policy as experimental due to reported regressions. - Fix OOB read in connector/hdmi infoframe. - Handle invalid scaling parameters and empty messages in log target. - Skip attempting to populate unmapped pages in amdxdna. The following changes since commit db2ddb87143519e20a95aa36c60b36107b736a58: Linux 7.2-rc7 (2026-08-09 14:54:50 -0700) are available in the Git repository at: https://gitlab.freedesktop.org/drm/misc/kernel.git tags/drm-misc-fixes-2026-08-13 for you to fetch changes up to f4f2bba28df9b9aaa00262a462139dbbcdc38d9f: drm/log: Fix infinite loop when scale is too large for display (2026-08-13 15:49:40 +0200) ---------------------------------------------------------------- drm-misc-fixes for v7.3: - Revert fair scheduler patches and mark fair policy as experimental due to reported regressions. - Fix OOB read in connector/hdmi infoframe. - Handle invalid scaling parameters and empty messages in log target. - Skip attempting to populate unmapped pages in amdxdna. ---------------------------------------------------------------- John Harrison (1): drm/connector/hdmi: Fix out of bounds memory read Lizhi Hou (1): accel/amdxdna: Skip unmapped range in aie2_populate_range() Maarten Lankhorst (1): Merge remote-tracking branch 'drm/drm-fixes' into drm-misc-fixes Shixiong Ou (3): drm/log: Fix division by zero when scale module parameter is 0 drm/log: Fix out-of-bounds read on empty message length drm/log: Fix infinite loop when scale is too large for display Tvrtko Ursulin (19): Revert "drm/sched: Remove drm_sched_init_args->num_rqs" Revert "drm/xe: Remove drm_sched_init_args->num_rqs usage" Revert "drm/v3d: Remove drm_sched_init_args->num_rqs usage" Revert "drm/sched: Remove drm_sched_init_args->num_rqs usage" Revert "drm/panthor: Remove drm_sched_init_args->num_rqs usage" Revert "drm/panfrost: Remove drm_sched_init_args->num_rqs usage" Revert "drm/nouveau: Remove drm_sched_init_args->num_rqs usage" Revert "drm/msm: Remove drm_sched_init_args->num_rqs usage" Revert "drm/lima: Remove drm_sched_init_args->num_rqs usage" Revert "drm/imagination: Remove drm_sched_init_args->num_rqs usage" Revert "drm/etnaviv: Remove drm_sched_init_args->num_rqs usage" Revert "drm/amdgpu: Remove drm_sched_init_args->num_rqs usage" Revert "accel/ethosu: Remove drm_sched_init_args->num_rqs usage" Revert "accel/rocket: Remove drm_sched_init_args->num_rqs usage" Revert "accel/amdxdna: Remove drm_sched_init_args->num_rqs usage" Revert "drm/sched: Embed run queue singleton into the scheduler" Revert "drm/sched: Remove FIFO and RR and simplify to a single run queue" Revert "drm/sched: Switch default policy to fair" drm/sched: Mark fair policy as experimental drivers/accel/amdxdna/aie2_ctx.c | 17 ++++ drivers/accel/ethosu/ethosu_job.c | 1 + drivers/accel/rocket/rocket_job.c | 1 + drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 6 +- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 1 + drivers/gpu/drm/amd/amdgpu/amdgpu_job.c | 27 ++--- drivers/gpu/drm/amd/amdgpu/amdgpu_job.h | 5 +- drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h | 8 +- drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c | 8 +- drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c | 8 +- drivers/gpu/drm/clients/drm_log.c | 12 +++ drivers/gpu/drm/display/drm_hdmi_state_helper.c | 3 +- drivers/gpu/drm/etnaviv/etnaviv_sched.c | 1 + drivers/gpu/drm/imagination/pvr_queue.c | 1 + drivers/gpu/drm/lima/lima_sched.c | 1 + drivers/gpu/drm/msm/msm_gem_vma.c | 1 + drivers/gpu/drm/msm/msm_ringbuffer.c | 1 + drivers/gpu/drm/nouveau/nouveau_sched.c | 1 + drivers/gpu/drm/panfrost/panfrost_job.c | 1 + drivers/gpu/drm/panthor/panthor_mmu.c | 1 + drivers/gpu/drm/panthor/panthor_sched.c | 1 + drivers/gpu/drm/scheduler/sched_entity.c | 52 +++++++--- drivers/gpu/drm/scheduler/sched_fence.c | 2 +- drivers/gpu/drm/scheduler/sched_internal.h | 15 ++- drivers/gpu/drm/scheduler/sched_main.c | 121 ++++++++++++++++++++--- drivers/gpu/drm/scheduler/sched_rq.c | 89 ++++++++++++----- drivers/gpu/drm/scheduler/tests/mock_scheduler.c | 1 + drivers/gpu/drm/v3d/v3d_sched.c | 1 + drivers/gpu/drm/xe/xe_dep_scheduler.c | 1 + drivers/gpu/drm/xe/xe_execlist.c | 1 + drivers/gpu/drm/xe/xe_gpu_scheduler.c | 1 + include/drm/gpu_scheduler.h | 42 +++++++- 32 files changed, 335 insertions(+), 97 deletions(-)
