Commit 9068e02f authored by Clint Taylor's avatar Clint Taylor Committed by Jani Nikula
Browse files

drm/edid: VSDB yCBCr420 Deep Color mode bit definitions 

HDMI Forum VSDB YCBCR420 deep color capability bits are 2:0. Correct
definitions in the header for the mask to work correctly.

Fixes: e6a9a2c3 ("drm/edid: parse ycbcr 420 deep color information")
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=107893


Cc: <stable@vger.kernel.org> # v4.14+
Signed-off-by: default avatarClint Taylor <clinton.a.taylor@intel.com>
Reviewed-by: default avatarJani Nikula <jani.nikula@intel.com>
Reviewed-by: default avatarShashank Sharma <shashank.sharma@intel.com>
Signed-off-by: default avatarJani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1538776335-12569-1-git-send-email-clinton.a.taylor@intel.com
parent 064253c1

drivers/gpu/drm/drm_edid.c

+1 −1
Original line number Diff line number Diff line
@@ -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,

include/drm/drm_edid.h

+3 −3
Original line number Diff line number Diff line
@@ -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)

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