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| author | Harry Wentland <harry.wentland@amd.com> | 2017-12-19 16:17:22 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-02-19 14:17:26 -0500 |
| commit | 7e98ab103521f82957f3c2d82d555a6803360440 (patch) | |
| tree | 3fa4a12eb88edf0a9fc5ed1c0a878baed9de0582 /drivers/gpu/drm/amd/display/dc/core/dc_stream.c | |
| parent | a39438f0b9261a249da6d5957c03e1fab699f467 (diff) | |
| download | linux-7e98ab103521f82957f3c2d82d555a6803360440.tar.bz2 | |
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/dc_stream.c')
| -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 261811e0c094..37dd109f4c53 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; |