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drm/rockchp: drv: Add comparison to mode clock

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For resolution floating refresh rate such as 59.94 Hz,
the only difference between the resolution and its
corresponding integer refresh rate resolution is the clock.

Signed-off-by: Algea Cao <algea.cao@rock-chips.com>
Change-Id: I149471f58c9eb65f972139b23a45339ea8807e54
This commit is contained in:
Algea Cao
2021-03-31 09:33:31 +08:00
committed by Tao Huang
parent fc439e4702
commit 9ab9fd2458
1 changed files with 6 additions and 1 deletions
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7
drivers/gpu/drm/rockchip/rockchip_drm_drv.c
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@@ -71,6 +71,7 @@ struct rockchip_drm_mode_set {
struct drm_connector *connector;
struct drm_crtc *crtc;
struct drm_display_mode *mode;
int clock;
int hdisplay;
int vdisplay;
int vrefresh;
@@ -461,6 +462,9 @@ of_parse_display_resource(struct drm_device *drm_dev, struct device_node *route)
if (!set)
return NULL;
if (!of_property_read_u32(route, "video,clock", &val))
set->clock = val;
if (!of_property_read_u32(route, "video,hdisplay", &val))
set->hdisplay = val;
@@ -680,7 +684,8 @@ static int setup_initial_state(struct drm_device *drm_dev,
}
list_for_each_entry(mode, &connector->modes, head) {
if (mode->hdisplay == set->hdisplay &&
if (mode->clock == set->clock &&
mode->hdisplay == set->hdisplay &&
mode->vdisplay == set->vdisplay &&
mode->crtc_hsync_end == set->crtc_hsync_end &&
mode->crtc_vsync_end == set->crtc_vsync_end &&