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Mesa EGL needs to retrieve prime fds from gralloc handles.
Signed-off-by: Rob Herring <robh@kernel.org>
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Rather than accessing gralloc_drm_pid directly.
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It allows the camera to get a lock on the buffer.
This is required when a picture is taken.
Credited to Edgardo Gho <edgardogho@gmail.com>.
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... rather than going through all the conditionals.
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
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v2: [Emil Velikov]
- drmGetVersion returns the kernel module name.
- Add it to the build :)
- freedreno_map returns void * while gralloc::map expects int.
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
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Just change the 'data' field of gralloc_drm_handle_t
to be a pointer to struct gralloc_drm_bo_t.
Fix some warnings as well.
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Buffer objects created locally by gralloc_drm_bo_create() would have
their refcount properly initialized to 1, but those received from
other processes via the drv alloc function would be left at zero, so
the delete check in gralloc_drm_bo_decref() would not destroy them as
the refcount would wrap negative. The buffer would then leak forever
until the mapping process (often surfaceflinger!) exitted.
Issue: AXIA-2991
Change-Id: I1a0c73b21cfbc67b441970002fd71712112e1871
Signed-off-by: Andy Ross <andy.ross@windriver.com>
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The BO 'usage' can be different from the 'usage' passed to lock.
For example when the BO is created by SurfaceMediaSource, having set GRALLOC_USAGE_HW_TEXTURE
while the CPU locks it with GRALLOC_USAGE_SW_WRITE_OFTEN
Change-Id: I4ba0ac05f1833439299e7fd694208076e66f8dfd
Signed-off-by: Adrian Marius Negreanu <adrian.m.negreanu@intel.com>
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This is done so that we should not have to do it dynamically during
composition. This information will be used later with hwcomposer module
when using planes for composition.
Change-Id: I2b6716fe9a8da81050645900c6c0955385946991
Signed-off-by: Tapani Pälli <tapani.palli@intel.com>
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This patch reverts earlier cca14cfd... and introduces a new hw
specific hook to query yuv components offsets which can vary
between different hw, decoders, cameras etc.
Change-Id: Ib60bc8ee28df7bc9425b6d7934294fe36fc55354
Depends-Change-Id: I1aa5368b21e588d5d711c1005fff2a5296e143a0
Signed-off-by: Tapani Pälli <tapani.palli@intel.com>
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This function can be used from Mesa instead of having to expose the
whole gralloc_drm_handle_t structure.
Change-Id: I1aa5368b21e588d5d711c1005fff2a5296e143a0
Signed-off-by: Tapani Pälli <tapani.palli@intel.com>
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This is an basic enabler for gralloc to let buffers live while they are still
in use by gralloc (for example during scanout), otherwise Android may choose
to destroy them while they are still needed. This facility will get used with
upcoming plane support and direct rendering support.
Change-Id: I2f0bc595846a68e8d2feb5138b022d16f207e2b5
Signed-off-by: Tapani Pälli <tapani.palli@intel.com>
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to change in Jelly Bean.
Signed-off-by: Charles Johnson <charles.f.johnson@intel.com>
modified: gralloc.c
modified: gralloc_drm.c
modified: gralloc_drm_intel.c
modified: gralloc_drm_kms.c
modified: gralloc_drm_nouveau.c
modified: gralloc_drm_pipe.c
modified: gralloc_drm_radeon.c
Change-Id: Idd9e533eab366d9f9dc199d961891255a66384a2
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Make it more intuitive to use.
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This is useful for testing software renderer with FB.
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To match the doc a little better.
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Not sure if a remote process ever destroys a bo. But let register()
opens a bo and unregister() closes it.
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