mirrors/linux
2
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-05-16 10:11:38 -04:00
Code Issues Packages Projects Releases Wiki Activity

drm/amd/display: Parse freesync mccs vcp code

Browse Source 
[Why & How]
DMUB supports to parse freesynce mccs vcp code now. Store it for
later freesync mccs manipulation.

Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Wayne Lin <Wayne.Lin@amd.com>
Signed-off-by: Roman Li <roman.li@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Wayne Lin
2026-03-03 16:00:24 +08:00
committed by Alex Deucher
parent d49086491b
commit 72022bad01
3 changed files with 35 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files

45
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
View File

@@ -13088,6 +13088,7 @@ static bool dm_edid_parser_send_cea(struct amdgpu_display_manager *dm,
vsdb->amd_vsdb_version = output->amd_vsdb.amd_vsdb_version;
vsdb->min_refresh_rate_hz = output->amd_vsdb.min_frame_rate;
vsdb->max_refresh_rate_hz = output->amd_vsdb.max_frame_rate;
vsdb->freesync_mccs_vcp_code = output->amd_vsdb.freesync_mccs_vcp_code;
} else {
drm_warn(adev_to_drm(dm->adev), "Unknown EDID CEA parser results\n");
return false;
@@ -13122,6 +13123,8 @@ static bool parse_edid_cea_dmcu(struct amdgpu_display_manager *dm,
vsdb_info->amd_vsdb_version = version;
vsdb_info->min_refresh_rate_hz = min_rate;
vsdb_info->max_refresh_rate_hz = max_rate;
/* Not enabled on DMCU*/
vsdb_info->freesync_mccs_vcp_code = 0;
return true;
}
/* not amd vsdb */
@@ -13333,14 +13336,19 @@ void amdgpu_dm_update_freesync_caps(struct drm_connector *connector,
} else if (drm_edid && sink->sink_signal == SIGNAL_TYPE_HDMI_TYPE_A) {
i = parse_hdmi_amd_vsdb(amdgpu_dm_connector, edid, &vsdb_info);
if (i >= 0 && vsdb_info.freesync_supported) {
amdgpu_dm_connector->min_vfreq = vsdb_info.min_refresh_rate_hz;
amdgpu_dm_connector->max_vfreq = vsdb_info.max_refresh_rate_hz;
if (amdgpu_dm_connector->max_vfreq - amdgpu_dm_connector->min_vfreq > 10)
freesync_capable = true;
if (i >= 0) {
amdgpu_dm_connector->vsdb_info = vsdb_info;
sink->edid_caps.freesync_vcp_code = vsdb_info.freesync_mccs_vcp_code;
connector->display_info.monitor_range.min_vfreq = vsdb_info.min_refresh_rate_hz;
connector->display_info.monitor_range.max_vfreq = vsdb_info.max_refresh_rate_hz;
if (vsdb_info.freesync_supported) {
amdgpu_dm_connector->min_vfreq = vsdb_info.min_refresh_rate_hz;
amdgpu_dm_connector->max_vfreq = vsdb_info.max_refresh_rate_hz;
if (amdgpu_dm_connector->max_vfreq - amdgpu_dm_connector->min_vfreq > 10)
freesync_capable = true;
connector->display_info.monitor_range.min_vfreq = vsdb_info.min_refresh_rate_hz;
connector->display_info.monitor_range.max_vfreq = vsdb_info.max_refresh_rate_hz;
}
}
}
@@ -13349,19 +13357,22 @@ void amdgpu_dm_update_freesync_caps(struct drm_connector *connector,
if (as_type == FREESYNC_TYPE_PCON_IN_WHITELIST) {
i = parse_hdmi_amd_vsdb(amdgpu_dm_connector, edid, &vsdb_info);
if (i >= 0 && vsdb_info.freesync_supported && vsdb_info.amd_vsdb_version > 0) {
amdgpu_dm_connector->pack_sdp_v1_3 = true;
amdgpu_dm_connector->as_type = as_type;
if (i >= 0) {
amdgpu_dm_connector->vsdb_info = vsdb_info;
sink->edid_caps.freesync_vcp_code = vsdb_info.freesync_mccs_vcp_code;
amdgpu_dm_connector->min_vfreq = vsdb_info.min_refresh_rate_hz;
amdgpu_dm_connector->max_vfreq = vsdb_info.max_refresh_rate_hz;
if (amdgpu_dm_connector->max_vfreq - amdgpu_dm_connector->min_vfreq > 10)
freesync_capable = true;
if (vsdb_info.freesync_supported && vsdb_info.amd_vsdb_version > 0) {
amdgpu_dm_connector->pack_sdp_v1_3 = true;
amdgpu_dm_connector->as_type = as_type;
connector->display_info.monitor_range.min_vfreq = vsdb_info.min_refresh_rate_hz;
connector->display_info.monitor_range.max_vfreq = vsdb_info.max_refresh_rate_hz;
amdgpu_dm_connector->min_vfreq = vsdb_info.min_refresh_rate_hz;
amdgpu_dm_connector->max_vfreq = vsdb_info.max_refresh_rate_hz;
if (amdgpu_dm_connector->max_vfreq - amdgpu_dm_connector->min_vfreq > 10)
freesync_capable = true;
connector->display_info.monitor_range.min_vfreq = vsdb_info.min_refresh_rate_hz;
connector->display_info.monitor_range.max_vfreq = vsdb_info.max_refresh_rate_hz;
}
}
}

5
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
View File

@@ -758,6 +758,11 @@ struct amdgpu_hdmi_vsdb_info {
*/
unsigned int max_refresh_rate_hz;
/**
* @freesync_mccs_vcp_code: MCCS VCP code for freesync state
*/
unsigned int freesync_mccs_vcp_code;
/**
* @replay_mode: Replay supported
*/

2
drivers/gpu/drm/amd/display/dc/dc_types.h
View File

@@ -205,6 +205,8 @@ struct dc_edid_caps {
uint32_t audio_latency;
uint32_t video_latency;
unsigned int freesync_vcp_code;
uint8_t qs_bit;
uint8_t qy_bit;