summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/radeon/atombios_crtc.c
diff options
context:
space:
mode:
authorAlex Deucher <alexdeucher@gmail.com>2011-06-16 10:06:16 -0400
committerDave Airlie <airlied@redhat.com>2011-06-17 09:28:10 +1000
commitcc9f67a0a0b076b82ab1af3b2add82e19a33d5de (patch)
tree592bce519eb88609b157b8e65861be5766226975 /drivers/gpu/drm/radeon/atombios_crtc.c
parentf89931f345f26c43b109191fbfcfa506781111c0 (diff)
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 <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/atombios_crtc.c')
-rw-r--r--drivers/gpu/drm/radeon/atombios_crtc.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index 84a69e7fa11..9541995e4b2 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;