drm/fb-cma-helper: Add drm_fb_cma_get_gem_addr()

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Add function drm_fb_cma_get_gem_addr() which return the physical address
of framebuffer (1st pixel). This function will usually be called by plane
callback (atomic_update).

Signed-off-by: Yannick Fertre <yannick.fertre@st.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
Link: http://patchwork.freedesktop.org/patch/msgid/1492164819-10513-3-git-send-email-yannick.fertre@st.com
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Eric Anholt <eric@anholt.net>

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Yannick Fertre 2017-04-14 12:13:32 +02:00 • committed by Eric Anholt

parent 97bf3a9aa6

commit 4636ce93d5

2 changed files with 31 additions and 0 deletions

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27

drivers/gpu/drm/drm_fb_cma_helper.c

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4

include/drm/drm_fb_cma_helper.h

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