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author | Mustapha Ghaddar <mghaddar@amd.com> | 2023-03-08 10:27:17 -0500 |
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committer | Alex Deucher <alexander.deucher@amd.com> | 2023-03-22 00:59:45 -0400 |
commit | a8b537605e22bfe277e666727fa0e9e01f2c729b (patch) | |
tree | 5af944e163e5d558280d544ba2d97f49bc0f14fd /drivers/gpu/drm/amd/display/dc/link/link_validation.c | |
parent | b5006f873b99a26f8bd36d691c09083495bc0a03 (diff) | |
download | linux-stable-a8b537605e22bfe277e666727fa0e9e01f2c729b.tar.gz linux-stable-a8b537605e22bfe277e666727fa0e9e01f2c729b.tar.bz2 linux-stable-a8b537605e22bfe277e666727fa0e9e01f2c729b.zip |
drm/amd/display: Add function pointer for validate bw usb4
[WHY]
In order to follow the new protocol of calling link functions
[HOW]
Add the function pointer to the link_srv
Reviewed-by: Kshitij Bhardwaj <kshitij.bhardwaj1@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Mustapha Ghaddar <mghaddar@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/link/link_validation.c')
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/link/link_validation.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/link/link_validation.c b/drivers/gpu/drm/amd/display/dc/link/link_validation.c index afbd22631721..d4b7da526f0a 100644 --- a/drivers/gpu/drm/amd/display/dc/link/link_validation.c +++ b/drivers/gpu/drm/amd/display/dc/link/link_validation.c @@ -30,6 +30,7 @@ */ #include "link_validation.h" #include "protocols/link_dp_capability.h" +#include "protocols/link_dp_dpia_bw.h" #include "resource.h" #define DC_LOGGER_INIT(logger) @@ -343,3 +344,20 @@ enum dc_status link_validate_mode_timing( return DC_OK; } + +bool link_validate_dpia_bandwidth(const struct dc_stream_state *stream, const unsigned int num_streams) +{ + bool ret = true; + int bw_needed[MAX_DPIA_NUM]; + struct dc_link *link[MAX_DPIA_NUM]; + + if (!num_streams || num_streams > MAX_DPIA_NUM) + return ret; + + for (uint8_t i = 0; i < num_streams; ++i) { + + link[i] = stream[i].link; + bw_needed[i] = dc_bandwidth_in_kbps_from_timing(&stream[i].timing); + } + return ret; +} |