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 <[email protected]>
---
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)
--
2.7.4
On Tue, Mar 13, 2018 at 12:36:57PM +0100, Giulio Benetti wrote:
> 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 <[email protected]>
Applied, thanks!
Maxime
--
Maxime Ripard, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
https://bootlin.com