diff options
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_hdmi.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c index 7e4f3217d0a5..9f099a078d40 100644 --- a/drivers/gpu/drm/exynos/exynos_hdmi.c +++ b/drivers/gpu/drm/exynos/exynos_hdmi.c @@ -1269,6 +1269,7 @@ static int hdmi_mode_valid(struct drm_connector *connector, struct drm_display_mode *mode) { struct hdmi_context *hdata = ctx_from_connector(connector); + struct drm_display_mode adjusted_mode; int ret; DRM_DEBUG_KMS("xres=%d, yres=%d, refresh=%d, intl=%d clock=%d\n", @@ -1280,6 +1281,14 @@ static int hdmi_mode_valid(struct drm_connector *connector, if (ret < 0) return MODE_BAD; + /* + * If attached bridge does not support a mode with fixup, then + * it cannot be set, so not valid. + */ + drm_mode_copy(&adjusted_mode, mode); + if (!drm_bridge_mode_fixup(hdata->bridge, mode, &adjusted_mode)) + return MODE_BAD; + return MODE_OK; } |