Boris Brezillon 09b031b5fc drm/panfrost: Don't try to map pages that are already mapped ...

commit f45da8204f upstream.

We allocate 2MB chunks at a time, so it might appear that a page fault
has already been handled by a previous page fault when we reach
panfrost_mmu_map_fault_addr(). Bail out in that case to avoid mapping the
same area twice.

Cc: <stable@vger.kernel.org>
Fixes: 187d292920 ("drm/panfrost: Add support for GPU heap allocations")
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Steven Price <steven.price@arm.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210205111757.585248-3-boris.brezillon@collabora.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2021-05-14 09:50:01 +02:00

..

Kconfig

…

Makefile

drm/panfrost: Add madvise and shrinker support

2019-08-08 15:57:36 -06:00

panfrost_devfreq.c

drm/panfrost: add regulators to devfreq

2020-08-07 10:11:26 -06:00

panfrost_devfreq.h

drm/panfrost: add regulators to devfreq

2020-08-07 10:11:26 -06:00

panfrost_device.c

drm/panfrost: Move the GPU reset bits outside the timeout handler

2020-12-30 11:54:19 +01:00

panfrost_device.h

drm/panfrost: Support cache-coherent integrations

2021-02-07 15:37:12 +01:00

panfrost_drv.c

drm/panfrost: Support cache-coherent integrations

2021-02-07 15:37:12 +01:00

panfrost_features.h

…

panfrost_gem_shrinker.c

drm/panfrost: Fix a deadlock between the shrinker and madvise path

2020-11-03 09:21:52 +01:00

panfrost_gem.c

drm/panfrost: Support cache-coherent integrations

2021-02-07 15:37:12 +01:00

panfrost_gem.h

drm/panfrost: Fix a deadlock between the shrinker and madvise path

2020-11-03 09:21:52 +01:00

panfrost_gpu.c

drm/panfrost: increase readl_relaxed_poll_timeout values

2020-10-09 16:57:27 +01:00

panfrost_gpu.h

drm/panfrost: add amlogic reset quirk callback

2020-09-21 10:13:50 +01:00

panfrost_issues.h

drm/panfrost: Add errata descriptions from kbase

2019-08-23 12:16:27 -05:00

panfrost_job.c

drm/panfrost: Remove unused variables in panfrost_job_close()

2021-01-17 14:17:06 +01:00

panfrost_job.h

drm/panfrost: Add the panfrost_gem_mapping concept

2020-01-21 10:32:55 -06:00

panfrost_mmu.c

drm/panfrost: Don't try to map pages that are already mapped

2021-05-14 09:50:01 +02:00

panfrost_mmu.h

drm/panfrost: Add the panfrost_gem_mapping concept

2020-01-21 10:32:55 -06:00

panfrost_perfcnt.c

drm/panfrost: perfcnt: fix ref count leak in panfrost_perfcnt_enable_locked

2020-08-07 10:45:07 -06:00

panfrost_perfcnt.h

drm/panfrost: Open/close the perfcnt BO

2019-12-06 11:06:20 -06:00

panfrost_regs.h

drm/panfrost: add amlogic reset quirk callback

2020-09-21 10:13:50 +01:00

TODO

drm/panfrost: Remove commented out call to panfrost_core_dump

2019-10-09 13:36:56 -05:00