From: Ashley Thomas Date: Thu, 1 Oct 2020 07:16:05 +0000 (-0700) Subject: drm/amd/display: Source minimum HBlank support X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=06722b37d1560502901ab1a6fb6e5996cae26b1f;p=linux.git 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 Reviewed-by: Anthony Koo Reviewed-by: Wenjing Liu Acked-by: Rodrigo Siqueira Signed-off-by: Alex Deucher --- 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 d15220a4eeb68..be58134a79548 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 376ccdb85e30c..808c4dcdb3ac8 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;