diff options
| author | George Shen <[email protected]> | 2023-06-16 22:35:46 -0400 |
|---|---|---|
| committer | Alex Deucher <[email protected]> | 2023-07-18 11:15:51 -0400 |
| commit | 63c0bf99c1d020a744eff286d65b33e2960d9d6b (patch) | |
| tree | 81151f1f3bac58577a8fd1801fe75eb69186f8b1 /drivers/gpu/drm/amd/display/dc/link/link_validation.c | |
| parent | 974764180838516f80a13257da67a1ec6afb87d4 (diff) | |
drm/amd/display: Add link encoding to timing BW calculation parameters
[Why]
There certain cases where the timing BW is dependent on the type of link
encoding in use. Thus to calculate the correct BW required for a given
timing, the link encoding should be added as a parameter.
Reviewed-by: Wenjing Liu <[email protected]>
Acked-by: Alan Liu <[email protected]>
Signed-off-by: George Shen <[email protected]>
Tested-by: Daniel Wheeler <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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 | 8 |
1 files changed, 5 insertions, 3 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 e8b2fc4002a5..b45fda96eaf6 100644 --- a/drivers/gpu/drm/amd/display/dc/link/link_validation.c +++ b/drivers/gpu/drm/amd/display/dc/link/link_validation.c @@ -130,7 +130,8 @@ static bool dp_active_dongle_validate_timing( /* DP input has DSC, HDMI FRL output doesn't have DSC, remove DSC from output timing */ outputTiming.flags.DSC = 0; #endif - if (dc_bandwidth_in_kbps_from_timing(&outputTiming) > dongle_caps->dp_hdmi_frl_max_link_bw_in_kbps) + if (dc_bandwidth_in_kbps_from_timing(&outputTiming, DC_LINK_ENCODING_HDMI_FRL) > + dongle_caps->dp_hdmi_frl_max_link_bw_in_kbps) return false; } else { // DP to HDMI TMDS converter if (get_tmds_output_pixel_clock_100hz(timing) > (dongle_caps->dp_hdmi_max_pixel_clk_in_khz * 10)) @@ -285,7 +286,7 @@ static bool dp_validate_mode_timing( link_setting = &link->verified_link_cap; */ - req_bw = dc_bandwidth_in_kbps_from_timing(timing); + req_bw = dc_bandwidth_in_kbps_from_timing(timing, dc_link_get_highest_encoding_format(link)); max_bw = dp_link_bandwidth_kbps(link, link_setting); if (req_bw <= max_bw) { @@ -357,7 +358,8 @@ bool link_validate_dpia_bandwidth(const struct dc_stream_state *stream, const un 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); + bw_needed[i] = dc_bandwidth_in_kbps_from_timing(&stream[i].timing, + dc_link_get_highest_encoding_format(link[i])); } ret = dpia_validate_usb4_bw(link, bw_needed, num_streams); |