diff options
| author | Ashley Thomas <Ashley.Thomas2@amd.com> | 2020-10-01 10:16:05 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-11-24 20:07:13 +0300 |
| commit | 06722b37d1560502901ab1a6fb6e5996cae26b1f (patch) | |
| tree | 37f59dae6468b39be0be1a5fb2d3333837f64638 /drivers/gpu/drm/amd/display/dc | |
| parent | e97978e8121ecc6e7d16eed55f0bb3987c2993aa (diff) | |
| download | linux-06722b37d1560502901ab1a6fb6e5996cae26b1f.tar.xz | |
drm/amd/display: Source minimum HBlank support
[Why]
Some sink devices wish to have access to the minimum HBlank supported by
the ASIC.
[How]
Make the ASIC minimum HBlank available in Source Device information
address 0x340.
Signed-off-by: Ashley Thomas <Ashley.Thomas2@amd.com>
Reviewed-by: Anthony Koo <Anthony.Koo@amd.com>
Reviewed-by: Wenjing Liu <Wenjing.Liu@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn302/dcn302_resource.c | 1 |
2 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c b/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c index d15220a4eeb6..be58134a7954 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c @@ -1761,6 +1761,7 @@ static bool dcn301_resource_construct( dc->caps.i2c_speed_in_khz = 100; dc->caps.i2c_speed_in_khz_hdcp = 5; /*1.4 w/a enabled by default*/ dc->caps.max_cursor_size = 256; + dc->caps.min_horizontal_blanking_period = 80; dc->caps.dmdata_alloc_size = 2048; dc->caps.max_slave_planes = 1; dc->caps.is_apu = true; diff --git a/drivers/gpu/drm/amd/display/dc/dcn302/dcn302_resource.c b/drivers/gpu/drm/amd/display/dc/dcn302/dcn302_resource.c index 376ccdb85e30..808c4dcdb3ac 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn302/dcn302_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn302/dcn302_resource.c @@ -1309,6 +1309,7 @@ static bool dcn302_resource_construct( dc->caps.i2c_speed_in_khz = 100; dc->caps.i2c_speed_in_khz_hdcp = 5; /*1.4 w/a applied by derfault*/ dc->caps.max_cursor_size = 256; + dc->caps.min_horizontal_blanking_period = 80; dc->caps.dmdata_alloc_size = 2048; dc->caps.max_slave_planes = 1; |