linux.git/drivers/gpu/drm/panfrost, branch master Linux kernel source tree BackMerge tag 'v7.2' into drm-next 2026-08-20T00:58:44+00:00 Dave Airlie airlied@redhat.com 2026-08-20T00:58:44+00:00 c44e278ce02efd0c4be79a8eda1ea6885c1ce5ec Linux 7.2 There was a lot of conflicts this round between fixes and next, and I'd like to get the merge resolutions that we have in drm-tip. Signed-off-by: Dave Airlie <airlied@redhat.com> 
Linux 7.2

There was a lot of conflicts this round between fixes and next,
and I'd like to get the merge resolutions that we have in drm-tip.

Signed-off-by: Dave Airlie <airlied@redhat.com>
Revert "drm/panfrost: Remove drm_sched_init_args->num_rqs usage" 2026-08-11T16:34:02+00:00 Tvrtko Ursulin tvrtko.ursulin@igalia.com 2026-08-11T16:31:25+00:00 c9126bf8fcb53462a66ec10183cad038fa26f5e9 This reverts commit 285eab7f55ae3d961bfa4e759c3d2d0033e72294. Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@igalia.com> Cc: Luke.Wildhardt@proton.me Cc: Matthew Brost <matthew.brost@intel.com> Cc: Danilo Krummrich <dakr@kernel.org> Cc: Philipp Stanner <phasta@kernel.org> Cc: Christian König <ckoenig.leichtzumerken@gmail.com> Signed-off-by: Tvrtko Ursulin <tursulin@ursulin.net> Link: https://lore.kernel.org/r/20260811163139.99746-7-tvrtko.ursulin@igalia.com 
This reverts commit 285eab7f55ae3d961bfa4e759c3d2d0033e72294.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@igalia.com>
Cc: Luke.Wildhardt@proton.me
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: Danilo Krummrich <dakr@kernel.org>
Cc: Philipp Stanner <phasta@kernel.org>
Cc: Christian König <ckoenig.leichtzumerken@gmail.com>
Signed-off-by: Tvrtko Ursulin <tursulin@ursulin.net>
Link: https://lore.kernel.org/r/20260811163139.99746-7-tvrtko.ursulin@igalia.com
drm/panfrost: Remove unused scheduled_jobs list 2026-07-20T16:55:43+00:00 Maíra Canal mcanal@igalia.com 2026-07-10T12:14:21+00:00 48dd37d1fef33fbf42f1d6887c61e242fd21d00d The scheduled_jobs list head was introduced in commit f3ba91228e8e ("drm/panfrost: Add initial panfrost driver") but never used. Remove the dead field and its initialization. Signed-off-by: Maíra Canal <mcanal@igalia.com> Reviewed-by: Steven Price <steven.price@arm.com> Reviewed-by: Adrián Larumbe <adrian.larumbe@collabora.com> Link: https://patch.msgid.link/20260710121423.2820472-2-mcanal@igalia.com Signed-off-by: Adrián Larumbe <adrian.larumbe@collabora.com> 
The scheduled_jobs list head was introduced in commit f3ba91228e8e
("drm/panfrost: Add initial panfrost driver") but never used. Remove the
dead field and its initialization.

Signed-off-by: Maíra Canal <mcanal@igalia.com>
Reviewed-by: Steven Price <steven.price@arm.com>
Reviewed-by: Adrián Larumbe <adrian.larumbe@collabora.com>
Link: https://patch.msgid.link/20260710121423.2820472-2-mcanal@igalia.com
Signed-off-by: Adrián Larumbe <adrian.larumbe@collabora.com>
drm/panfrost: include panfrost_drv.h for panfrost_transparent_hugepage 2026-07-10T18:20:48+00:00 Ben Dooks ben.dooks@codethink.co.uk 2026-06-23T10:46:17+00:00 a284476db2653ae893f46cbea408eb412db54eb0 The panfrost_transparent_hugepage variable is declared in panfrost_drv.h but the panfrost_drv.c does not incldue this header. Fix the following sparse warning by including panfrost_drv.h : drivers/gpu/drm/panfrost/panfrost_drv.c:958:6: warning: symbol 'panfrost_transparent_hugepage' was not declared. Should it be static? Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk> Reviewed-by: Steven Price <steven.price@arm.com> Reviewed-by: Adrián Larumbe <adrian.larumbe@collabora.com> Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com> Link: https://patch.msgid.link/20260623104617.768289-1-ben.dooks@codethink.co.uk Signed-off-by: Adrián Larumbe <adrian.larumbe@collabora.com> 
The panfrost_transparent_hugepage variable is declared in panfrost_drv.h
but the panfrost_drv.c does not incldue this header. Fix the following
sparse warning by including panfrost_drv.h :

drivers/gpu/drm/panfrost/panfrost_drv.c:958:6: warning: symbol 'panfrost_transparent_hugepage' was not declared. Should it be static?

Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Reviewed-by: Steven Price <steven.price@arm.com>
Reviewed-by: Adrián Larumbe <adrian.larumbe@collabora.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Link: https://patch.msgid.link/20260623104617.768289-1-ben.dooks@codethink.co.uk
Signed-off-by: Adrián Larumbe <adrian.larumbe@collabora.com>
Merge v7.1-rc5 into drm-next 2026-05-28T07:58:36+00:00 Simona Vetter simona.vetter@ffwll.ch 2026-05-28T07:56:06+00:00 bed29492d413349e5b13f21936655064cdb63c91 Boris Brezillion needs the gem lru fixes 379e8f1ca5e9 ("drm/gem: Make the GEM LRU lock part of drm_device") backmerged for drm-misc-next. That also means we need to sort out the rename conflict in panthor with the fixup patch from Boris from drm-tip. Signed-off-by: Simona Vetter <simona.vetter@ffwll.ch> 
Boris Brezillion needs the gem lru fixes 379e8f1ca5e9 ("drm/gem: Make
the GEM LRU lock part of drm_device") backmerged for drm-misc-next.
That also means we need to sort out the rename conflict in panthor with
the fixup patch from Boris from drm-tip.

Signed-off-by: Simona Vetter <simona.vetter@ffwll.ch>
drm/panfrost: Fix wait_bo ioctl leaking positive return from dma_resv_wait_timeout() 2026-05-07T13:52:55+00:00 Gyeyoung Baek gye976@gmail.com 2026-04-19T07:17:16+00:00 459d75523b71c0ec254d153d8850d0b7008af396 dma_resv_wait_timeout() returns a positive 'remaining jiffies' value on success, 0 on timeout, and -errno on failure. panfrost_ioctl_wait_bo() returns this 'long' result from an int-typed ioctl handler, so positive values reach userspace as bogus errors. Explicitly set ret to 0 on the success path. Fixes: f3ba91228e8e ("drm/panfrost: Add initial panfrost driver") Cc: stable@vger.kernel.org Signed-off-by: Gyeyoung Baek <gye976@gmail.com> Reviewed-by: Adrián Larumbe <adrian.larumbe@collabora.com> Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com> Reviewed-by: Steven Price <steven.price@arm.com> Link: https://patch.msgid.link/fe33f82fded7be1c18e2e0eb2db451d5a738cf39.1776581974.git.gye976@gmail.com Signed-off-by: Steven Price <steven.price@arm.com> 
dma_resv_wait_timeout() returns a positive 'remaining jiffies' value
on success, 0 on timeout, and -errno on failure.

panfrost_ioctl_wait_bo() returns this 'long' result from an int-typed
ioctl handler, so positive values reach userspace as bogus errors.
Explicitly set ret to 0 on the success path.

Fixes: f3ba91228e8e ("drm/panfrost: Add initial panfrost driver")
Cc: stable@vger.kernel.org
Signed-off-by: Gyeyoung Baek <gye976@gmail.com>
Reviewed-by: Adrián Larumbe <adrian.larumbe@collabora.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Steven Price <steven.price@arm.com>
Link: https://patch.msgid.link/fe33f82fded7be1c18e2e0eb2db451d5a738cf39.1776581974.git.gye976@gmail.com
Signed-off-by: Steven Price <steven.price@arm.com>
drm/panfrost: Remove drm_sched_init_args->num_rqs usage 2026-04-17T12:43:29+00:00 Tvrtko Ursulin tvrtko.ursulin@igalia.com 2026-04-17T10:37:39+00:00 285eab7f55ae3d961bfa4e759c3d2d0033e72294 Remove member no longer used by the scheduler core. Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@igalia.com> Cc: Boris Brezillon <boris.brezillon@collabora.com> Cc: Rob Herring <robh@kernel.org> Cc: dri-devel@lists.freedesktop.org Reviewed-by: Steven Price <steven.price@arm.com> Signed-off-by: Philipp Stanner <phasta@kernel.org> Link: https://patch.msgid.link/20260417103744.76020-25-tvrtko.ursulin@igalia.com 
Remove member no longer used by the scheduler core.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@igalia.com>
Cc: Boris Brezillon <boris.brezillon@collabora.com>
Cc: Rob Herring <robh@kernel.org>
Cc: dri-devel@lists.freedesktop.org
Reviewed-by: Steven Price <steven.price@arm.com>
Signed-off-by: Philipp Stanner <phasta@kernel.org>
Link: https://patch.msgid.link/20260417103744.76020-25-tvrtko.ursulin@igalia.com
drm/panfrost: Add GPU_PM_RT support for RZ/G3L SoC 2026-03-27T02:06:42+00:00 Biju Das biju.das.jz@bp.renesas.com 2026-03-20T16:41:50+00:00 45046f8718586376b00d3755352cd3e9992b3630 RZ/G3L SoC is embedded with Mali-G31 GPU system. Add GPU_PM_RT support as it needs to be assert/deassert the reset during suspend/resume. Reviewed-by: Steven Price <steven.price@arm.com> Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Adrián Larumbe <adrian.larumbe@collabora.com> Link: https://patch.msgid.link/20260320164158.487406-5-biju.das.jz@bp.renesas.com Signed-off-by: Adrián Larumbe <adrian.larumbe@collabora.com> 
RZ/G3L SoC is embedded with Mali-G31 GPU system. Add GPU_PM_RT support as
it needs to be assert/deassert the reset during suspend/resume.

Reviewed-by: Steven Price <steven.price@arm.com>
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Adrián Larumbe <adrian.larumbe@collabora.com>
Link: https://patch.msgid.link/20260320164158.487406-5-biju.das.jz@bp.renesas.com
Signed-off-by: Adrián Larumbe <adrian.larumbe@collabora.com>
drm/panfrost: Add bus_ace optional clock support for RZ/G2L 2026-03-27T02:06:42+00:00 Biju Das biju.das.jz@bp.renesas.com 2026-03-20T16:41:49+00:00 20ba3318eb19da7907ceb461ef3b5d65204070e6 On RZ/G2L SoCs, the GPU MMU requires a bus_ace clock to operate correctly. Without it, unbind/bind cycles leave the GPU non-operational, manifesting as an AS_ACTIVE bit stuck and a soft reset timeout falling back to hard reset. Add bus_ace_clock as an optional clock, wiring it into init/fini, and the runtime suspend/resume paths alongside the existing optional bus_clock. Reviewed-by: Steven Price <steven.price@arm.com> Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Adrián Larumbe <adrian.larumbe@collabora.com> Link: https://patch.msgid.link/20260320164158.487406-4-biju.das.jz@bp.renesas.com Signed-off-by: Adrián Larumbe <adrian.larumbe@collabora.com> 
On RZ/G2L SoCs, the GPU MMU requires a bus_ace clock to operate correctly.
Without it, unbind/bind cycles leave the GPU non-operational, manifesting
as an AS_ACTIVE bit stuck and a soft reset timeout falling back to hard
reset. Add bus_ace_clock as an optional clock, wiring it into init/fini,
and the runtime suspend/resume paths alongside the existing optional
bus_clock.

Reviewed-by: Steven Price <steven.price@arm.com>
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Adrián Larumbe <adrian.larumbe@collabora.com>
Link: https://patch.msgid.link/20260320164158.487406-4-biju.das.jz@bp.renesas.com
Signed-off-by: Adrián Larumbe <adrian.larumbe@collabora.com>
drm/panfrost: Drop redundant optional clock checks in runtime PM 2026-03-27T02:06:42+00:00 Biju Das biju.das.jz@bp.renesas.com 2026-03-20T16:41:48+00:00 1a14d961660eaa17f21918d0cdf75a00b613ee05 The clk_enable() and clk_disable() APIs already handle NULL clock pointers gracefully — clk_enable() returns 0 and clk_disable() returns immediately when passed a NULL or optional clock. The explicit if (pfdev->bus_clock) guards around these calls in the runtime suspend/resume paths are therefore unnecessary. Remove them to simplify the code. Reviewed-by: Steven Price <steven.price@arm.com> Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Adrián Larumbe <adrian.larumbe@collabora.com> Link: https://patch.msgid.link/20260320164158.487406-3-biju.das.jz@bp.renesas.com Signed-off-by: Adrián Larumbe <adrian.larumbe@collabora.com> 
The clk_enable() and clk_disable() APIs already handle NULL clock pointers
gracefully — clk_enable() returns 0 and clk_disable() returns immediately
when passed a NULL or optional clock. The explicit if (pfdev->bus_clock)
guards around these calls in the runtime suspend/resume paths are
therefore unnecessary. Remove them to simplify the code.

Reviewed-by: Steven Price <steven.price@arm.com>
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Adrián Larumbe <adrian.larumbe@collabora.com>
Link: https://patch.msgid.link/20260320164158.487406-3-biju.das.jz@bp.renesas.com
Signed-off-by: Adrián Larumbe <adrian.larumbe@collabora.com>