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    Subject[PATCH 4.18 11/34] drm/edid: VSDB yCBCr420 Deep Color mode bit definitions
    Date
    4.18-stable review patch.  If anyone has any objections, please let me know.

    ------------------

    From: Clint Taylor <clinton.a.taylor@intel.com>

    commit 9068e02f58740778d8270840657f1e250a2cc60f upstream.

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

    Fixes: e6a9a2c3dc43 ("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: Clint Taylor <clinton.a.taylor@intel.com>
    Reviewed-by: Jani Nikula <jani.nikula@intel.com>
    Reviewed-by: Shashank Sharma <shashank.sharma@intel.com>
    Signed-off-by: Jani Nikula <jani.nikula@intel.com>
    Link: https://patchwork.freedesktop.org/patch/msgid/1538776335-12569-1-git-send-email-clinton.a.taylor@intel.com
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

    ---
    drivers/gpu/drm/drm_edid.c | 2 +-
    include/drm/drm_edid.h | 6 +++---
    2 files changed, 4 insertions(+), 4 deletions(-)

    --- a/drivers/gpu/drm/drm_edid.c
    +++ b/drivers/gpu/drm/drm_edid.c
    @@ -4282,7 +4282,7 @@ static void drm_parse_ycbcr420_deep_colo
    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,
    --- 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)

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