[PATCH 02/18] drm/amd/display: Source minimum HBlank support

[Rodrigo Siqueira]

From: Ashley Thomas <Ashley.Thomas2 at amd.com>

[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 at amd.com>
Reviewed-by: Anthony Koo <Anthony.Koo at amd.com>
Reviewed-by: Wenjing Liu <Wenjing.Liu at amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira at amd.com>
---
 drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c | 1 +
 drivers/gpu/drm/amd/display/dc/dcn302/dcn302_resource.c | 1 +
 2 files changed, 2 insertions(+)

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 15ffd8a21e4e..87fe84a06301 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn302/dcn302_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn302/dcn302_resource.c
@@ -1308,6 +1308,7 @@ 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;
-- 
2.29.2