diff options
| author |   Mikita Lipski <mikita.lipski@amd.com> | 2018-07-12 16:44:05 -0400 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2018-08-06 14:35:43 -0500 |
| commit | 3e27e10e2ecee0d3a0083f8ae76354ac9c6ad15c (patch) | |
| tree | 76d7b003ce0d8e943074e6821b9b64b93dd5c648 /drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c | |
| parent | drm/amd/display: Fix DP HBR2 Eye Diagram Pattern on Carrizo (diff) | |
| download | linux-dev-3e27e10e2ecee0d3a0083f8ae76354ac9c6ad15c.tar.xz linux-dev-3e27e10e2ecee0d3a0083f8ae76354ac9c6ad15c.zip | |
drm/amd/display: Don't share clk source between DP and HDMI
[why]
Prevent clock source sharing between HDMI and DP connectors.
DP shouldn't be sharing its ref clock with phy clock,
which caused an issue of older ASICS booting up with multiple
diplays plugged in.
[how]
Add an extra check that would prevent HDMI and DP sharing clk.
Signed-off-by: Mikita Lipski <mikita.lipski@amd.com>
Reviewed-by: Hersen Wu <hersenxs.wu@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c b/drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c index fd2bdae4dcec..3f76e6019546 100644 --- a/drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c @@ -919,7 +919,7 @@ static bool construct( dc->caps.i2c_speed_in_khz = 40; dc->caps.max_cursor_size = 128; dc->caps.dual_link_dvi = true; - + dc->caps.disable_dp_clk_share = true; for (i = 0; i < pool->base.pipe_count; i++) { pool->base.timing_generators[i] = dce100_timing_generator_create( |