From 48d91f3bac73e8fd59989c772c0540a4e10d598f Mon Sep 17 00:00:00 2001

From: Alex Deucher alexdeucher@gmail.com Date: Thu, 15 Apr 2010 16:54:38 -0400 Subject: [PATCH] drm/radeon/kms/atom: fix dual-link DVI on DCE3.2/4.0

Got broken during the evergreen merge. Fixes fdo bug 27001.

Signed-off-by: Alex Deucher alexdeucher@gmail.com --- drivers/gpu/drm/radeon/radeon_encoders.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c index d61a141..30293be 100644 --- a/drivers/gpu/drm/radeon/radeon_encoders.c +++ b/drivers/gpu/drm/radeon/radeon_encoders.c @@ -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;