drm/radeon/kms/atom: fix dual-link DVI on DCE3.2/4.0
authorAlex Deucher <alexdeucher@gmail.com>
Thu, 15 Apr 2010 20:54:38 +0000 (16:54 -0400)
committerDave Airlie <airlied@redhat.com>
Mon, 19 Apr 2010 01:59:20 +0000 (11:59 +1000)
Got broken during the evergreen merge.
Fixes fdo bug 27001.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
drivers/gpu/drm/radeon/radeon_encoders.c

index c52fc3080b6775e8594d79ae8a41031c0152d8aa..9f7f56a55f0a78b1732d0075fc4690afb5e5de0b 100644 (file)
@@ -865,6 +865,8 @@ atombios_dig_transmitter_setup(struct drm_encoder *encoder, int action, uint8_t
                else if (radeon_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) {
                        if (dig->coherent_mode)
                                args.v3.acConfig.fCoherentMode = 1;
+                       if (radeon_encoder->pixel_clock > 165000)
+                               args.v3.acConfig.fDualLinkConnector = 1;
                }
        } else if (ASIC_IS_DCE32(rdev)) {
                args.v2.acConfig.ucEncoderSel = dig->dig_encoder;
@@ -888,6 +890,8 @@ atombios_dig_transmitter_setup(struct drm_encoder *encoder, int action, uint8_t
                else if (radeon_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) {
                        if (dig->coherent_mode)
                                args.v2.acConfig.fCoherentMode = 1;
+                       if (radeon_encoder->pixel_clock > 165000)
+                               args.v2.acConfig.fDualLinkConnector = 1;
                }
        } else {
                args.v1.ucConfig = ATOM_TRANSMITTER_CONFIG_CLKSRC_PPLL;