mode_valid function must be connected to encoder. Otherwise it could get not be called by drm in the case there's a bridge connected to encoder instead of a panel.

Move mode_valid function pointer to encoder helper functions, changing its prototype according to encoder helper function pointer.

Signed-off-by: Giulio Benetti giulio.benetti@micronovasrl.com --- drivers/gpu/drm/sun4i/sun4i_rgb.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/sun4i/sun4i_rgb.c b/drivers/gpu/drm/sun4i/sun4i_rgb.c index b8da5a5..f2fa1f2 100644 --- a/drivers/gpu/drm/sun4i/sun4i_rgb.c +++ b/drivers/gpu/drm/sun4i/sun4i_rgb.c @@ -52,10 +52,10 @@ static int sun4i_rgb_get_modes(struct drm_connector *connector) return drm_panel_get_modes(tcon->panel); }

-static int sun4i_rgb_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode) +static enum drm_mode_status sun4i_rgb_mode_valid(struct drm_encoder *crtc, + const struct drm_display_mode *mode) { - struct sun4i_rgb *rgb = drm_connector_to_sun4i_rgb(connector); + struct sun4i_rgb *rgb = drm_encoder_to_sun4i_rgb(crtc); struct sun4i_tcon *tcon = rgb->tcon; u32 hsync = mode->hsync_end - mode->hsync_start; u32 vsync = mode->vsync_end - mode->vsync_start; @@ -108,7 +108,6 @@ static int sun4i_rgb_mode_valid(struct drm_connector *connector,

static struct drm_connector_helper_funcs sun4i_rgb_con_helper_funcs = { .get_modes = sun4i_rgb_get_modes, - .mode_valid = sun4i_rgb_mode_valid, };

static void @@ -158,6 +157,7 @@ static void sun4i_rgb_encoder_disable(struct drm_encoder *encoder) static struct drm_encoder_helper_funcs sun4i_rgb_enc_helper_funcs = { .disable = sun4i_rgb_encoder_disable, .enable = sun4i_rgb_encoder_enable, + .mode_valid = sun4i_rgb_mode_valid, };

static void sun4i_rgb_enc_destroy(struct drm_encoder *encoder)