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drm/rockchip: vop: add support overscan

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Change-Id: I608aa9fe98f8dadab8c649baa15545cd5e81cf69
Signed-off-by: Sandy Huang <hjc@rock-chips.com>
This commit is contained in:
Sandy Huang 2018-01-18 19:42:44 +08:00
commit 3e1367c6ce
1 changed files with 23 additions and 0 deletions
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23
drivers/gpu/drm/rockchip/rockchip_drm_drv.c
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@ -66,6 +66,11 @@ struct rockchip_drm_mode_set {
int vrefresh;
int flags;
int left_margin;
int right_margin;
int top_margin;
int bottom_margin;
bool mode_changed;
bool ymirror;
int ratio;
@ -396,6 +401,18 @@ of_parse_display_resource(struct drm_device *drm_dev, struct device_node *route)
if (!of_property_read_u32(route, "logo,ymirror", &val))
set->ymirror = val;
if (!of_property_read_u32(route, "overscan,left_margin", &val))
set->left_margin = val;
if (!of_property_read_u32(route, "overscan,right_margin", &val))
set->right_margin = val;
if (!of_property_read_u32(route, "overscan,top_margin", &val))
set->top_margin = val;
if (!of_property_read_u32(route, "overscan,bottom_margin", &val))
set->bottom_margin = val;
set->ratio = 1;
if (!of_property_read_string(route, "logo,mode", &string) &&
!strcmp(string, "fullscreen"))
@ -582,6 +599,7 @@ static int update_state(struct drm_device *drm_dev,
struct drm_crtc_state *crtc_state;
struct drm_connector_state *conn_state;
int ret;
struct rockchip_crtc_state *s;
crtc_state = drm_atomic_get_crtc_state(state, crtc);
if (IS_ERR(crtc_state))
@ -589,6 +607,11 @@ static int update_state(struct drm_device *drm_dev,
conn_state = drm_atomic_get_connector_state(state, connector);
if (IS_ERR(conn_state))
return PTR_ERR(conn_state);
s = to_rockchip_crtc_state(crtc_state);
s->left_margin = set->left_margin;
s->right_margin = set->right_margin;
s->top_margin = set->top_margin;
s->bottom_margin = set->bottom_margin;
if (set->mode_changed) {
ret = drm_atomic_set_crtc_for_connector(conn_state, crtc);