On Fri, 05 Oct 2018, clinton.a.taylor@xxxxxxxxx wrote: > From: Clint Taylor <clinton.a.taylor@xxxxxxxxx> > > HDMI Forum VSDB YCBCR420 deep color capability bits are 2:0. Correct > definitions in the header for the mask to work correctly. > > Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=107893 > Signed-off-by: Clint Taylor <clinton.a.taylor@xxxxxxxxx> When posting fixes like this, please do git blame on the stuff you're fixing, and add Fixes: tag and a bunch of Cc's. It'll help us propagate the fix to stable kernels and get feedback from the authors and reviewers. 'dim fixes' will help you with this: $ dim fixes e6a9a2c3dc437 Fixes: e6a9a2c3dc43 ("drm/edid: parse ycbcr 420 deep color information") Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> Cc: Jose Abreu <joabreu@xxxxxxxxxxxx> Cc: Shashank Sharma <shashank.sharma@xxxxxxxxx> Cc: Gustavo Padovan <gustavo@xxxxxxxxxxx> Cc: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx> Cc: Sean Paul <sean@xxxxxxxxxx> Cc: David Airlie <airlied@xxxxxxxx> Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx Cc: <stable@xxxxxxxxxxxxxxx> # v4.14+ Anyway this looks sane to me, Reviewed-by: Jani Nikula <jani.nikula@xxxxxxxxx> but I'm wondering if there was some deeper meaning to the original |= in there. BR, Jani. > --- > drivers/gpu/drm/drm_edid.c | 2 +- > include/drm/drm_edid.h | 6 +++--- > 2 files changed, 4 insertions(+), 4 deletions(-) > > diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c > index 1e2b940..ff0bfc6 100644 > --- a/drivers/gpu/drm/drm_edid.c > +++ b/drivers/gpu/drm/drm_edid.c > @@ -4282,7 +4282,7 @@ static void drm_parse_ycbcr420_deep_color_info(struct drm_connector *connector, > struct drm_hdmi_info *hdmi = &connector->display_info.hdmi; > > dc_mask = db[7] & DRM_EDID_YCBCR420_DC_MASK; > - hdmi->y420_dc_modes |= dc_mask; > + hdmi->y420_dc_modes = dc_mask; > } > > static void drm_parse_hdmi_forum_vsdb(struct drm_connector *connector, > diff --git a/include/drm/drm_edid.h b/include/drm/drm_edid.h > index b25d12e..e3c4048 100644 > --- a/include/drm/drm_edid.h > +++ b/include/drm/drm_edid.h > @@ -214,9 +214,9 @@ struct detailed_timing { > #define DRM_EDID_HDMI_DC_Y444 (1 << 3) > > /* YCBCR 420 deep color modes */ > -#define DRM_EDID_YCBCR420_DC_48 (1 << 6) > -#define DRM_EDID_YCBCR420_DC_36 (1 << 5) > -#define DRM_EDID_YCBCR420_DC_30 (1 << 4) > +#define DRM_EDID_YCBCR420_DC_48 (1 << 2) > +#define DRM_EDID_YCBCR420_DC_36 (1 << 1) > +#define DRM_EDID_YCBCR420_DC_30 (1 << 0) > #define DRM_EDID_YCBCR420_DC_MASK (DRM_EDID_YCBCR420_DC_48 | \ > DRM_EDID_YCBCR420_DC_36 | \ > DRM_EDID_YCBCR420_DC_30) -- Jani Nikula, Intel Open Source Graphics Center _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel