bybrooklyn/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-04-25 18:12:26 -04:00
Code Issues Packages Projects Releases Wiki Activity

drm/amd/display: Add link encoding to timing BW calculation parameters

Browse Source 
[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 <wenjing.liu@amd.com>
Acked-by: Alan Liu <haoping.liu@amd.com>
Signed-off-by: George Shen <george.shen@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
George Shen
2023-06-16 22:35:46 -04:00
committed by Alex Deucher
parent 9747641808
commit 63c0bf99c1
12 changed files with 101 additions and 22 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
View File

@@ -5793,6 +5793,7 @@ static void apply_dsc_policy_for_edp(struct amdgpu_dm_connector *aconnector,
edp_min_bpp_x16, edp_max_bpp_x16,
dsc_caps,
&stream->timing,
dc_link_get_highest_encoding_format(aconnector->dc_link),
&bw_range)) {
if (bw_range.max_kbps < link_bw_in_kbps) {
@@ -5801,6 +5802,7 @@ static void apply_dsc_policy_for_edp(struct amdgpu_dm_connector *aconnector,
&dsc_options,
0,
&stream->timing,
dc_link_get_highest_encoding_format(aconnector->dc_link),
&dsc_cfg)) {
stream->timing.dsc_cfg = dsc_cfg;
stream->timing.flags.DSC = 1;
@@ -5815,6 +5817,7 @@ static void apply_dsc_policy_for_edp(struct amdgpu_dm_connector *aconnector,
&dsc_options,
link_bw_in_kbps,
&stream->timing,
dc_link_get_highest_encoding_format(aconnector->dc_link),
&dsc_cfg)) {
stream->timing.dsc_cfg = dsc_cfg;
stream->timing.flags.DSC = 1;
@@ -5858,12 +5861,14 @@ static void apply_dsc_policy_for_stream(struct amdgpu_dm_connector *aconnector,
&dsc_options,
link_bandwidth_kbps,
&stream->timing,
dc_link_get_highest_encoding_format(aconnector->dc_link),
&stream->timing.dsc_cfg)) {
stream->timing.flags.DSC = 1;
DRM_DEBUG_DRIVER("%s: [%s] DSC is selected from SST RX\n", __func__, drm_connector->name);
}
} else if (sink->link->dpcd_caps.dongle_type == DISPLAY_DONGLE_DP_HDMI_CONVERTER) {
timing_bw_in_kbps = dc_bandwidth_in_kbps_from_timing(&stream->timing);
timing_bw_in_kbps = dc_bandwidth_in_kbps_from_timing(&stream->timing,
dc_link_get_highest_encoding_format(aconnector->dc_link));
max_supported_bw_in_kbps = link_bandwidth_kbps;
dsc_max_supported_bw_in_kbps = link_bandwidth_kbps;
@@ -5875,6 +5880,7 @@ static void apply_dsc_policy_for_stream(struct amdgpu_dm_connector *aconnector,
&dsc_options,
dsc_max_supported_bw_in_kbps,
&stream->timing,
dc_link_get_highest_encoding_format(aconnector->dc_link),
&stream->timing.dsc_cfg)) {
stream->timing.flags.DSC = 1;
DRM_DEBUG_DRIVER("%s: [%s] DSC is selected from DP-HDMI PCON\n",