drm/i915: Add a function to mmap framebuffer obj

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Implement i915_gem_fb_mmap() to enable fb_ops.fb_mmap()
callback for i915's framebuffer objects.

v2: add a comment why i915_gem_object_get() needed(Andi).
v3: mmap also ttm objects.

Cc: Matthew Auld <matthew.auld@intel.com>
Cc: Andi Shyti <andi.shyti@linux.intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Imre Deak <imre.deak@intel.com>
Signed-off-by: Nirmoy Das <nirmoy.das@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230404143100.10452-3-nirmoy.das@intel.com

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This commit is contained in:

Nirmoy Das 2023-04-04 16:30:58 +02:00

parent ddb78a51fa

commit eaee1c0858

2 changed files with 93 additions and 46 deletions

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137

drivers/gpu/drm/i915/gem/i915_gem_mman.c

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2

drivers/gpu/drm/i915/gem/i915_gem_mman.h

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