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| author |   Cruise Hung <Cruise.Hung@amd.com> | 2025-06-03 14:30:59 +0800 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2025-06-24 09:55:35 -0400 |
| commit | 7beee6e91c20f297d2eba90397fe44938138f3b8 (patch) | |
| tree | bb03778248de4d2fef9c4a55c5f2e96fb8c308fa /drivers/gpu/drm/amd/display/dc/inc/link.h | |
| parent | drm/amd/display: Removed unnecessary comment (diff) | |
| download | wireguard-linux-7beee6e91c20f297d2eba90397fe44938138f3b8.tar.xz wireguard-linux-7beee6e91c20f297d2eba90397fe44938138f3b8.zip | |
drm/amd/display: Add new DP tunnel bandwidth validation
[Why & How]
Add new function for DP tunnel bandwidth validation.
It uses the estimated BW and allocated BW to validate the timings.
Reviewed-by: PeiChen Huang <peichen.huang@amd.com>
Reviewed-by: Meenakshikumar Somasundaram <meenakshikumar.somasundaram@amd.com>
Signed-off-by: Cruise Hung <Cruise.Hung@amd.com>
Signed-off-by: Fangzhi Zuo <jerry.zuo@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/inc/link.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/inc/link.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/inc/link.h b/drivers/gpu/drm/amd/display/dc/inc/link.h index 7d16351bba99..c92f11095254 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/link.h +++ b/drivers/gpu/drm/amd/display/dc/inc/link.h @@ -147,6 +147,9 @@ struct link_service { bool (*validate_dpia_bandwidth)( const struct dc_stream_state *stream, const unsigned int num_streams); + enum dc_status (*validate_dp_tunnel_bandwidth)( + const struct dc *dc, + const struct dc_state *new_ctx); uint32_t (*dp_required_hblank_size_bytes)( const struct dc_link *link, |