On Tue, May 23, 2017 at 05:28:15PM +0800, CK Hu wrote: > Hi, Bibby: > > I've applied this patch to my branch mediatek-drm-fixes-4.12-rc1, > thanks. > > Regards, > CK > > On Tue, 2017-01-24 at 13:10 +0800, Bibby Hsieh wrote: > > Current Mediatek DRM driver does not support interlaced mode, and > > will hang if such resolution is used: Filter those to prevent > > kernel hangs, until the DRM driver is fixed properly. > > > > Signed-off-by: Bibby Hsieh <bibby.hsieh@xxxxxxxxxxxx> > > --- > > drivers/gpu/drm/mediatek/mtk_hdmi.c | 2 ++ > > 1 file changed, 2 insertions(+) > > > > diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi.c b/drivers/gpu/drm/mediatek/mtk_hdmi.c > > index 0e8c4d9..e33678d 100644 > > --- a/drivers/gpu/drm/mediatek/mtk_hdmi.c > > +++ b/drivers/gpu/drm/mediatek/mtk_hdmi.c > > @@ -1244,6 +1244,8 @@ static int mtk_hdmi_conn_mode_valid(struct drm_connector *conn, > > return MODE_BAD; > > } > > > > + if (mode->flags & DRM_MODE_FLAG_INTERLACE) > > + return MODE_NO_INTERLACE; > > if (mode->clock < 27000) > > return MODE_CLOCK_LOW; > > if (mode->clock > 297000) You probably want to check out Jose's mode_valid work, since only filtering in the connector's ->mode_valid callback isn't enough. You also need to filter in ->mode_fixup (or some other place called at atomic_check time). -Daniel -- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
