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drm/rockchip: Get rid of some unnecessary code 

Current code implements prepare_fb and cleanup_fb callbacks only to
grab/release fb references, which is already done by atomic framework
when creating/destryoing plane state. Let's remove these
unused bits.

Signed-off-by: Tomasz Figa <tfiga@chromium.org>
This commit is contained in:
Tomasz Figa 2016-09-14 21:54:55 +09:00 committed by Sean Paul
parent fa374107c1
commit 65bcb6bcc8
1 changed files with 0 additions and 18 deletions
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18
drivers/gpu/drm/rockchip/rockchip_drm_vop.c
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@ -637,22 +637,6 @@ static void vop_plane_destroy(struct drm_plane *plane)
drm_plane_cleanup(plane);
}
static int vop_plane_prepare_fb(struct drm_plane *plane,
struct drm_plane_state *new_state)
{
if (plane->state->fb)
drm_framebuffer_reference(plane->state->fb);
return 0;
}
static void vop_plane_cleanup_fb(struct drm_plane *plane,
struct drm_plane_state *old_state)
{
if (old_state->fb)
drm_framebuffer_unreference(old_state->fb);
}
static int vop_plane_atomic_check(struct drm_plane *plane,
struct drm_plane_state *state)
{
@ -845,8 +829,6 @@ static void vop_plane_atomic_update(struct drm_plane *plane,
}
static const struct drm_plane_helper_funcs plane_helper_funcs = {
.prepare_fb = vop_plane_prepare_fb,
.cleanup_fb = vop_plane_cleanup_fb,
.atomic_check = vop_plane_atomic_check,
.atomic_update = vop_plane_atomic_update,
.atomic_disable = vop_plane_atomic_disable,