40 lines
1.5 KiB
Diff
40 lines
1.5 KiB
Diff
From b317a9ce2259e64258a802a5ca70dec45ac15dda Mon Sep 17 00:00:00 2001
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From: Alex Deucher <alexdeucher@gmail.com>
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Date: Thu, 15 Apr 2010 16:54:38 -0400
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Subject: [PATCH] drm/radeon/kms/atom: fix dual-link DVI on DCE3.2/4.0
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Got broken during the evergreen merge.
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Fixes fdo bug 27001.
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Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
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Signed-off-by: Dave Airlie <airlied@redhat.com>
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---
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drivers/gpu/drm/radeon/radeon_encoders.c | 4 ++++
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1 files changed, 4 insertions(+), 0 deletions(-)
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diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c
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index c52fc30..9f7f56a 100644
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--- a/drivers/gpu/drm/radeon/radeon_encoders.c
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+++ b/drivers/gpu/drm/radeon/radeon_encoders.c
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@@ -865,6 +865,8 @@ atombios_dig_transmitter_setup(struct drm_encoder *encoder, int action, uint8_t
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else if (radeon_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) {
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if (dig->coherent_mode)
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args.v3.acConfig.fCoherentMode = 1;
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+ if (radeon_encoder->pixel_clock > 165000)
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+ args.v3.acConfig.fDualLinkConnector = 1;
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}
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} else if (ASIC_IS_DCE32(rdev)) {
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args.v2.acConfig.ucEncoderSel = dig->dig_encoder;
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@@ -888,6 +890,8 @@ atombios_dig_transmitter_setup(struct drm_encoder *encoder, int action, uint8_t
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else if (radeon_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) {
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if (dig->coherent_mode)
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args.v2.acConfig.fCoherentMode = 1;
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+ if (radeon_encoder->pixel_clock > 165000)
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+ args.v2.acConfig.fDualLinkConnector = 1;
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}
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} else {
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args.v1.ucConfig = ATOM_TRANSMITTER_CONFIG_CLKSRC_PPLL;
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--
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1.6.6.1
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