From cc9f67a0a0b076b82ab1af3b2add82e19a33d5de Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Thu, 16 Jun 2011 10:06:16 -0400 Subject: drm/radeon/kms/atom: AdjustPixelClock fixes for DP bridges Need to set the external transmitter type properly in AdjustPixelClock to get the properly output. Signed-off-by: Alex Deucher Signed-off-by: Dave Airlie --- drivers/gpu/drm/radeon/atombios_crtc.c | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'drivers/gpu/drm/radeon/atombios_crtc.c') diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c index 84a69e7fa11e..9541995e4b21 100644 --- a/drivers/gpu/drm/radeon/atombios_crtc.c +++ b/drivers/gpu/drm/radeon/atombios_crtc.c @@ -671,6 +671,13 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc, DISPPLL_CONFIG_DUAL_LINK; } } + if (radeon_encoder_is_dp_bridge(encoder)) { + struct drm_encoder *ext_encoder = radeon_atom_get_external_encoder(encoder); + struct radeon_encoder *ext_radeon_encoder = to_radeon_encoder(ext_encoder); + args.v3.sInput.ucExtTransmitterID = ext_radeon_encoder->encoder_id; + } else + args.v3.sInput.ucExtTransmitterID = 0; + atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); adjusted_clock = le32_to_cpu(args.v3.sOutput.ulDispPllFreq) * 10; -- cgit v1.2.3