There are a gazillion files that depend on drm_print.h being indirectly
included via drm_buddy.h, drm_mm.h, or ttm/ttm_resource.h. In
preparation for removing those includes, explicitly include drm_print.h
where needed.

Cc: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://lore.kernel.org/r/5fe67395907be33eb5199ea6d540e29fddee71c8.1761734313.git.jani.nikula@intel.com

panfrost_job_* prefixed functions in panfrost_job.c deal with both
panfrost_job objects and also the more general JM (Job Manager) side of
the device itself. This is confusing.

Reprefix functions that program the JM to panfrosot_jm_* instead.

Reviewed-by: Steven Price <steven.price@arm.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Adrián Larumbe <adrian.larumbe@collabora.com>
Link: https://lore.kernel.org/r/20251019145225.3621989-12-adrian.larumbe@collabora.com
Signed-off-by: Steven Price <steven.price@arm.com>

The as_in_use_mask device state variable is no longer in use.

Reviewed-by: Steven Price <steven.price@arm.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Adrián Larumbe <adrian.larumbe@collabora.com>
Link: https://lore.kernel.org/r/20251019145225.3621989-11-adrian.larumbe@collabora.com
Signed-off-by: Steven Price <steven.price@arm.com>

This is to make LLVM syntactic analysers happy.

Reviewed-by: Steven Price <steven.price@arm.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Adrián Larumbe <adrian.larumbe@collabora.com>
Link: https://lore.kernel.org/r/20251019145225.3621989-10-adrian.larumbe@collabora.com
Signed-off-by: Steven Price <steven.price@arm.com>

Rather than remasking interrupts after a device reset in the main reset
path, allow selecting whether to do this with an additional bool parameter.

To this end, split reenabling job interrupts into two functions, one that
clears the interrupts and another one which unmasks them conditionally.

Reviewed-by: Steven Price <steven.price@arm.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Adrián Larumbe <adrian.larumbe@collabora.com>
Link: https://lore.kernel.org/r/20251019145225.3621989-9-adrian.larumbe@collabora.com
Signed-off-by: Steven Price <steven.price@arm.com>

Up until now, panfrost_job_enable_interrupts() would always recalculate the
same job IRQ enablement mask, which is effectively a constant.

Replace it with a compile-time constant value, and also in another couple
places where an equivalent expression was being used.

Reviewed-by: Steven Price <steven.price@arm.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Adrián Larumbe <adrian.larumbe@collabora.com>
Link: https://lore.kernel.org/r/20251019145225.3621989-8-adrian.larumbe@collabora.com
Signed-off-by: Steven Price <steven.price@arm.com>

When mapping the pages of a BO, either a heap type at page fault time or
else a non-heap BO at object creation time, if the ARM page table mapping
function fails, we unmap what had been mapped so far and bail out.

Reviewed-by: Steven Price <steven.price@arm.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Adrián Larumbe <adrian.larumbe@collabora.com>
Link: https://lore.kernel.org/r/20251019145225.3621989-7-adrian.larumbe@collabora.com
Signed-off-by: Steven Price <steven.price@arm.com>

In the MMU's page fault ISR for a heap object, determine whether the
faulting address belongs to a 2MiB block that was already mapped by
checking its corresponding sgt in the Panfrost BO.

This is done in preparation for a future commit in which the MMU mapping
helper might fail, but the page array is left populated, so this cannot
be used as a check for an early bail-out.

Reviewed-by: Steven Price <steven.price@arm.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Adrián Larumbe <adrian.larumbe@collabora.com>
Link: https://lore.kernel.org/r/20251019145225.3621989-6-adrian.larumbe@collabora.com
Signed-off-by: Steven Price <steven.price@arm.com>

If we reach the beginning of the LRU AS list, then return an error.

Reviewed-by: Steven Price <steven.price@arm.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Adrián Larumbe <adrian.larumbe@collabora.com>
Link: https://lore.kernel.org/r/20251019145225.3621989-5-adrian.larumbe@collabora.com
Signed-off-by: Steven Price <steven.price@arm.com>

Avoid waiting for the DRM scheduler job timedout handler, and instead, let
the DRM scheduler core signal the error fence immediately when HW job
submission fails.

That means we must also decrement the runtime-PM refcnt for the device,
because the job will never be enqueued or inflight.

Reviewed-by: Steven Price <steven.price@arm.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Adrián Larumbe <adrian.larumbe@collabora.com>
Link: https://lore.kernel.org/r/20251019145225.3621989-4-adrian.larumbe@collabora.com
Signed-off-by: Steven Price <steven.price@arm.com>