Hi Dave, Sima, Here's this week drm-misc-fixes PR
Maxime
drm-misc-fixes-2026-09-24:
A number of fixes:
- bridge:
- samsung-dsim: fix GPIO lifetime
- client: Null pointer dereference fix
- imagination: error handling fix, page handling fix
- nouveau: fix reference leaks, double-frees, out-of-bounds accesses,
use-after-frees, don't reject config without SCDC, a number of
workarounds
- virtio: fix memory leak, reference leaks, null pointer dereference,
add pixel blend mode, cache coherency fix
The following changes since commit 5535d5e61a77ad79118ea7665ce1c14f857f0f12:
drm/loongson: Create blend mode property for cursor plane (2026-09-17
15:12:26 +0800)
are available in the Git repository at:
https://gitlab.freedesktop.org/drm/misc/kernel.git
tags/drm-misc-fixes-2026-09-24
for you to fetch changes up to 45585c3aa285854face65293acc95eff73063d6d:
drm/imagination: clamp freelist reconstruction requests (2026-09-24 14:59:22
+0530)
----------------------------------------------------------------
A number of fixes:
- bridge:
- samsung-dsim: fix GPIO lifetime
- client: Null pointer dereference fix
- imagination: error handling fix, page handling fix
- nouveau: fix reference leaks, double-frees, out-of-bounds accesses,
use-after-frees, don't reject config without SCDC, a number of
workarounds
- virtio: fix memory leak, reference leaks, null pointer dereference,
add pixel blend mode, cache coherency fix
----------------------------------------------------------------
Benjamin Leggett (1):
drm/virtio: sync shmem backing on guest-bound transfers
Brajesh Gupta (2):
drm/imagination: Propagate map failures correctly from pvr_mmu_map_sgl()
drm/imagination: Fix page count for page table for map() interface
Dan Carpenter (1):
drm/nouveau/clk: fix list cursor use after loop in nvkm_clk_ustate_update
Dmitry Osipenko (1):
Revert "drm/virtio: Allow importing prime buffers when 3D is enabled"
Francesco Magazzu (3):
drm/nouveau/clk: don't use the pstate cursor after the loop
drm/nouveau/device: don't use the pstate cursor after the loop
drm/nouveau/clk: don't clobber reclock status when restoring volt/fan
Giuseppe Ranieri (1):
drm/nouveau/disp: don't reject HDMI config on cards without SCDC
Guangshuo Li (1):
drm/nouveau: fix autosuspend cleanup during teardown
Jakub Pawlak (1):
accel/ivpu: Use separate flag for job timeout
Jonghyuk Kim(MalHyuk) (1):
drm/nouveau: RCU-free the scheduler-containing nouveau_sched
Junrui Luo (5):
drm/nouveau/dmem: pin VRAM for the whole registered range
drm/virtio: fix object leak when drm_gem_handle_create() fails
drm/virtio: fix object leak in virtio_gpu_resource_create_ioctl()
drm/virtio: fix object leaks in virtio_gpu_resource_create_blob_ioctl()
drm/virtio: release the GEM object on virtio_gpu_vram_create() errors
Li Youhong (1):
drm/bridge: samsung-dsim: fix TE GPIO lifetime for host attach
Lyude Paul (5):
drm/nouveau/gsp/r570: Add support for INTERNAL_GCX_ENTRY_PREREQUISITE
drm/nouveau/gsp/r535: Add support for MEMSYS_GET_STATIC_CONFIG
drm/nouveau/gsp/r570: Add comp mode workaround from issue #3172217
drm/nouveau/gsp/r570: Start saving comptag backing stores
drm/nouveau/gsp/r570: Enable Gcoff in fbsr again
Peiyang He (5):
drm/nouveau: fix double-free in nvif_vmm_dtor
drm/nouveau/uvmm: fix UAF in nouveau_uvmm_sm when BO is in TTM_PL_SYSTEM
drm/nouveau: don't bump pin count on failed re-pin in
nouveau_bo_pin_locked()
drm/virtio: fix memory leak of fence event on execbuffer failure
drm/virtio: fix NULL pointer dereference on fence allocation failure
Pengpeng Hou (1):
drm/imagination: clamp freelist reconstruction requests
Shixiong Ou (1):
drm/virtio: Add pixel blend mode property to cursor plane
Wentao Liang (3):
drm/nouveau: Fix bridge reference leak in nv1a_ram_new()
drm/nouveau: Fix gem reference leak in validate_init()
drm/nouveau: Fix runtime PM leak in nouveau_connector_detect()
shechenglong (1):
drm/client: fix restore of partially initialized client
drivers/accel/ivpu/ivpu_drv.c | 3 +-
drivers/accel/ivpu/ivpu_drv.h | 2 +-
drivers/accel/ivpu/ivpu_job.c | 7 +-
drivers/accel/ivpu/ivpu_mmu.c | 1 -
drivers/accel/ivpu/ivpu_pm.c | 1 +
drivers/gpu/drm/bridge/samsung-dsim.c | 2 +-
drivers/gpu/drm/clients/drm_fbdev_client.c | 8 +++
drivers/gpu/drm/imagination/pvr_free_list.c | 15 ++++-
drivers/gpu/drm/imagination/pvr_mmu.c | 19 ++++--
drivers/gpu/drm/imagination/pvr_mmu.h | 2 +-
drivers/gpu/drm/imagination/pvr_vm.c | 4 +-
drivers/gpu/drm/nouveau/include/nvif/cl0080.h | 10 +++
drivers/gpu/drm/nouveau/include/nvif/device.h | 1 +
drivers/gpu/drm/nouveau/include/nvkm/subdev/gsp.h | 6 ++
drivers/gpu/drm/nouveau/nouveau_bo.c | 3 +-
drivers/gpu/drm/nouveau/nouveau_connector.c | 5 +-
drivers/gpu/drm/nouveau/nouveau_dmem.c | 4 +-
drivers/gpu/drm/nouveau/nouveau_drm.c | 18 ++++-
drivers/gpu/drm/nouveau/nouveau_gem.c | 2 +
drivers/gpu/drm/nouveau/nouveau_sched.c | 2 +-
drivers/gpu/drm/nouveau/nouveau_sched.h | 1 +
drivers/gpu/drm/nouveau/nouveau_uvmm.c | 13 +++-
drivers/gpu/drm/nouveau/nvif/device.c | 13 ++++
drivers/gpu/drm/nouveau/nvif/vmm.c | 1 +
drivers/gpu/drm/nouveau/nvkm/engine/device/ctrl.c | 8 ++-
drivers/gpu/drm/nouveau/nvkm/engine/device/user.c | 35 ++++++++++
drivers/gpu/drm/nouveau/nvkm/engine/disp/uoutp.c | 3 +-
drivers/gpu/drm/nouveau/nvkm/subdev/clk/base.c | 31 ++++++---
drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramnv1a.c | 2 +
drivers/gpu/drm/nouveau/nvkm/subdev/gsp/base.c | 10 +++
drivers/gpu/drm/nouveau/nvkm/subdev/gsp/priv.h | 1 +
.../gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/gsp.c | 17 +++++
.../drm/nouveau/nvkm/subdev/gsp/rm/r535/nvrm/gsp.h | 45 +++++++++++++
.../gpu/drm/nouveau/nvkm/subdev/gsp/rm/r570/fbsr.c | 77 +++++++++++++++++++++-
.../gpu/drm/nouveau/nvkm/subdev/gsp/rm/r570/gsp.c | 36 ++++++++++
.../nouveau/nvkm/subdev/gsp/rm/r570/nvrm/fbsr.h | 29 ++++++++
.../drm/nouveau/nvkm/subdev/gsp/rm/r570/nvrm/gsp.h | 7 ++
drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/rm.h | 3 +
drivers/gpu/drm/virtio/virtgpu_drv.h | 5 ++
drivers/gpu/drm/virtio/virtgpu_gem.c | 2 +-
drivers/gpu/drm/virtio/virtgpu_ioctl.c | 49 +++++++++++++-
drivers/gpu/drm/virtio/virtgpu_plane.c | 13 ++++
drivers/gpu/drm/virtio/virtgpu_prime.c | 2 +-
drivers/gpu/drm/virtio/virtgpu_submit.c | 11 +++-
drivers/gpu/drm/virtio/virtgpu_vq.c | 46 +++++++++++++
drivers/gpu/drm/virtio/virtgpu_vram.c | 17 ++---
46 files changed, 531 insertions(+), 61 deletions(-)
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