Since the mode passed in mode_set is probably going to be a scaled down version of the TV mode, we cannot just use it.
Instead, try to retrieve the actual mode we want to set, and generate a drm mode from that.
Signed-off-by: Maxime Ripard maxime.ripard@free-electrons.com --- drivers/gpu/drm/sun4i/sun4i_tv.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/sun4i/sun4i_tv.c b/drivers/gpu/drm/sun4i/sun4i_tv.c index 6f8077013be3..f99886462cb8 100644 --- a/drivers/gpu/drm/sun4i/sun4i_tv.c +++ b/drivers/gpu/drm/sun4i/sun4i_tv.c @@ -401,8 +401,13 @@ static void sun4i_tv_mode_set(struct drm_encoder *encoder, struct sun4i_drv *drv = tv->drv; struct sun4i_tcon *tcon = drv->tcon; const struct tv_mode *tv_mode = sun4i_tv_find_tv_by_mode(mode); + struct drm_display_mode tv_drm_mode = { 0 };
- sun4i_tcon1_mode_set(tcon, mode); + strcpy(tv_drm_mode.name, "TV"); + sun4i_tv_mode_to_drm_mode(tv_mode, &tv_drm_mode); + drm_mode_set_crtcinfo(&tv_drm_mode, CRTC_INTERLACE_HALVE_V); + + sun4i_tcon1_mode_set(tcon, &tv_drm_mode);
/* Enable and map the DAC to the output */ regmap_update_bits(tv->regs, SUN4I_TVE_EN_REG,