drm/radeon: add a connector property for dither

[deliverable/linux.git] / drivers / gpu / drm / radeon / r600.c

diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index bdf4b80202d51fa575abafac9f6fb7376edc59f3..af922e297a12382ccecda8971188beb340bcac14 100644 (file)
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -133,10 +133,13 @@ void dce3_program_fmt(struct drm_encoder *encoder)
        struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
        int bpc = 0;
        u32 tmp = 0;
-       bool dither = false;
+       enum radeon_connector_dither dither = RADEON_FMT_DITHER_DISABLE;
 
-       if (connector)
+       if (connector) {
+               struct radeon_connector *radeon_connector = to_radeon_connector(connector);
                bpc = radeon_get_monitor_bpc(connector);
+               dither = radeon_connector->dither;
+       }
 
        /* LVDS FMT is set up by atom */
        if (radeon_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
@@ -152,14 +155,14 @@ void dce3_program_fmt(struct drm_encoder *encoder)
 
        switch (bpc) {
        case 6:
-               if (dither)
+               if (dither == RADEON_FMT_DITHER_ENABLE)
                        /* XXX sort out optimal dither settings */
                        tmp |= FMT_SPATIAL_DITHER_EN;
                else
                        tmp |= FMT_TRUNCATE_EN;
                break;
        case 8:
-               if (dither)
+               if (dither == RADEON_FMT_DITHER_ENABLE)
                        /* XXX sort out optimal dither settings */
                        tmp |= (FMT_SPATIAL_DITHER_EN | FMT_SPATIAL_DITHER_DEPTH);
                else