Gitweb: http://git.kernel.org/linus/b317a9ce2259e64258a802a5ca70dec45ac15dda
Commit: b317a9ce2259e64258a802a5ca70dec45ac15dda
Parent: 30f69f3fb20bd719b5e1bf879339914063d38f47
Author: Alex Deucher <alexdeucher@gmail.com>
AuthorDate: Thu Apr 15 16:54:38 2010 -0400
Committer: Dave Airlie <airlied@redhat.com>
CommitDate: Mon Apr 19 11:59:20 2010 +1000
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>
Signed-off-by: Dave Airlie <airlied@redhat.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 c52fc30..9f7f56a 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;
--
