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| author | Alex Deucher <alexander.deucher@amd.com> | 2014-03-07 00:09:52 +0100 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2014-03-07 00:09:52 +0100 |
| commit | d03874c881a049a50e12f285077ab1f9fc2686e1 (patch) | |
| tree | 98195e921b4818b6655212ef62595cbec7a7f90b /drivers/gpu/drm/radeon/atombios_encoders.c | |
| parent | drm/radeon/dpm: fix typo in EVERGREEN_SMC_FIRMWARE_HEADER_softRegisters (diff) | |
| download | linux-d03874c881a049a50e12f285077ab1f9fc2686e1.tar.xz linux-d03874c881a049a50e12f285077ab1f9fc2686e1.zip | |
drm/radeon/atom: select the proper number of lanes in transmitter setup
We need to check for DVI vs. HDMI when setting up duallink since
HDMI is single link only. Fixes 4k modes on newer asics.
bug:
https://bugs.freedesktop.org/show_bug.cgi?id=75223
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/gpu/drm/radeon/atombios_encoders.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/atombios_encoders.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c index 2cec2ab02f80..607dc14d195e 100644 --- a/drivers/gpu/drm/radeon/atombios_encoders.c +++ b/drivers/gpu/drm/radeon/atombios_encoders.c @@ -1314,7 +1314,7 @@ atombios_dig_transmitter_setup(struct drm_encoder *encoder, int action, uint8_t } if (is_dp) args.v5.ucLaneNum = dp_lane_count; - else if (radeon_encoder->pixel_clock > 165000) + else if (radeon_dig_monitor_is_duallink(encoder, radeon_encoder->pixel_clock)) args.v5.ucLaneNum = 8; else args.v5.ucLaneNum = 4; |