diff options
| author | Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com> | 2022-10-11 10:08:14 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-01-17 15:38:15 -0500 |
| commit | 27fc64764e291bff1a73d212f22f47ec06b78530 (patch) | |
| tree | c8a043ef3084e680e1c314df91eea801d69201e0 | |
| parent | 3c0775678fa42cc67007025bf93830affbfa3c85 (diff) | |
| download | linux-27fc64764e291bff1a73d212f22f47ec06b78530.tar.gz | |
drm/amd/display: Change i2c speed for hdcp
[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.
Tested-by: Daniel Wheeler <Daniel.Wheeler@amd.com>
Reviewed-by: Aurabindo Pillai <Aurabindo.Pillai@amd.com>
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn316/dcn316_resource.c | 2 |
1 files changed, 1 insertions, 1 deletions
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; |