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authorYannick Fertre <yannick.fertre@st.com>2017-04-14 13:13:32 +0300
committerEric Anholt <eric@anholt.net>2017-04-14 21:30:28 +0300
commit4636ce93d5b25632c2cdbeccebef912e1c990c8e (patch)
tree02a2a10c7d75c18b3092e0867fc522eb3152a70f /include/drm/drm_fb_cma_helper.h
parent97bf3a9aa60f0d25541738feeb28e39decc41b76 (diff)
downloadlinux-4636ce93d5b25632c2cdbeccebef912e1c990c8e.tar.xz
drm/fb-cma-helper: Add drm_fb_cma_get_gem_addr()
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>
Diffstat (limited to 'include/drm/drm_fb_cma_helper.h')
-rw-r--r--include/drm/drm_fb_cma_helper.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/drm/drm_fb_cma_helper.h b/include/drm/drm_fb_cma_helper.h
index a5ecc0a58260..199a63f48659 100644
--- a/include/drm/drm_fb_cma_helper.h
+++ b/include/drm/drm_fb_cma_helper.h
@@ -41,6 +41,10 @@ struct drm_framebuffer *drm_fb_cma_create(struct drm_device *dev,
struct drm_gem_cma_object *drm_fb_cma_get_gem_obj(struct drm_framebuffer *fb,
unsigned int plane);
+dma_addr_t drm_fb_cma_get_gem_addr(struct drm_framebuffer *fb,
+ struct drm_plane_state *state,
+ unsigned int plane);
+
int drm_fb_cma_prepare_fb(struct drm_plane *plane,
struct drm_plane_state *state);