[PATCH 17/37] drm/amd/display: Change i2c speed for hdcp

[Rodrigo Siqueira]

From: Bhawanpreet Lakha <bhawanpreet.la...@amd.com>

[why]
HDCP 1.4 failed on SL8800 SW w/a test driver use.

[how]
slower down the HW i2c speed when used by HW i2c.

Reviewed-by: Aurabindo Pillai <aurabindo.pil...@amd.com>
Reviewed-by: Rodrigo Siqueira <rodrigo.sique...@amd.com>
Signed-off-by: Bhawanpreet Lakha <bhawanpreet.la...@amd.com>
---
 drivers/gpu/drm/amd/display/dc/dcn316/dcn316_resource.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dcn316/dcn316_resource.c 
b/drivers/gpu/drm/amd/display/dc/dcn316/dcn316_resource.c
index b4d5076e124c..dc0b49506275 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn316/dcn316_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn316/dcn316_resource.c
@@ -1776,7 +1776,7 @@ static bool dcn316_resource_construct(
        pool->base.mpcc_count = pool->base.res_cap->num_timing_generator;
        dc->caps.max_downscale_ratio = 600;
        dc->caps.i2c_speed_in_khz = 100;
-       dc->caps.i2c_speed_in_khz_hdcp = 100;
+       dc->caps.i2c_speed_in_khz_hdcp = 5; /*1.5 w/a applied by default*/
        dc->caps.max_cursor_size = 256;
        dc->caps.min_horizontal_blanking_period = 80;
        dc->caps.dmdata_alloc_size = 2048;
-- 
2.39.0