diff options
| author | Harry Wentland <harry.wentland@amd.com> | 2017-12-19 16:17:22 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-03-07 16:27:24 -0500 |
| commit | 6724eebac4c45741334bc459296cdddb59904a36 (patch) | |
| tree | 9312801fedbefb93672d00f4dec3aec5b139fb11 /drivers/gpu/drm/amd/display/dc/core | |
| parent | 35c4c88ce8da738b1a9ade239f84dad181f2cf9f (diff) | |
| download | op-kernel-dev-6724eebac4c45741334bc459296cdddb59904a36.zip op-kernel-dev-6724eebac4c45741334bc459296cdddb59904a36.tar.gz | |
drm/amd/display: Don't allow dual-link DVI on all ASICs.
Our APUs (Carrizo, Stoney, Raven) don't support it.
v2: Don't use is_apu as other ASICs might also not support it
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/core')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_stream.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c index 539c3e0..651c6bc 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c @@ -45,8 +45,9 @@ static void update_stream_signal(struct dc_stream_state *stream) stream->signal = dc_sink->sink_signal; if (dc_is_dvi_signal(stream->signal)) { - if (stream->timing.pix_clk_khz > TMDS_MAX_PIXEL_CLOCK_IN_KHZ_UPMOST && - stream->sink->sink_signal != SIGNAL_TYPE_DVI_SINGLE_LINK) + if (stream->ctx->dc->caps.dual_link_dvi && + stream->timing.pix_clk_khz > TMDS_MAX_PIXEL_CLOCK_IN_KHZ_UPMOST && + stream->sink->sink_signal != SIGNAL_TYPE_DVI_SINGLE_LINK) stream->signal = SIGNAL_TYPE_DVI_DUAL_LINK; else stream->signal = SIGNAL_TYPE_DVI_SINGLE_LINK; |
