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drm/amd/display: Remove check for default eDP panel_mode 

[Why]
DPCD read is skipped first time after driver initialization.

Reviewed-by: Charlene Liu <charlene.liu@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Taimur Hassan <syed.hassan@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
pull/806/head
Taimur Hassan 2023-07-14 12:59:06 -04:00 committed by Alex Deucher
parent 30953c4d00
commit 80f63f36b8
1 changed files with 24 additions and 25 deletions
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49
drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c
View File

@ -46,43 +46,42 @@ void dp_set_panel_mode(struct dc_link *link, enum dp_panel_mode panel_mode)
{
union dpcd_edp_config edp_config_set;
bool panel_mode_edp = false;
enum dc_status result;
memset(&edp_config_set, '\0', sizeof(union dpcd_edp_config));
if (panel_mode != DP_PANEL_MODE_DEFAULT) {
switch (panel_mode) {
case DP_PANEL_MODE_EDP:
case DP_PANEL_MODE_SPECIAL:
panel_mode_edp = true;
break;
switch (panel_mode) {
case DP_PANEL_MODE_EDP:
case DP_PANEL_MODE_SPECIAL:
panel_mode_edp = true;
break;
default:
break;
}
default:
break;
}
/*set edp panel mode in receiver*/
result = core_link_read_dpcd(
link,
DP_EDP_CONFIGURATION_SET,
&edp_config_set.raw,
sizeof(edp_config_set.raw));
/*set edp panel mode in receiver*/
core_link_read_dpcd(
if (result == DC_OK &&
edp_config_set.bits.PANEL_MODE_EDP
!= panel_mode_edp) {
edp_config_set.bits.PANEL_MODE_EDP =
panel_mode_edp;
result = core_link_write_dpcd(
link,
DP_EDP_CONFIGURATION_SET,
&edp_config_set.raw,
sizeof(edp_config_set.raw));
if (edp_config_set.bits.PANEL_MODE_EDP
!= panel_mode_edp) {
enum dc_status result;
edp_config_set.bits.PANEL_MODE_EDP =
panel_mode_edp;
result = core_link_write_dpcd(
link,
DP_EDP_CONFIGURATION_SET,
&edp_config_set.raw,
sizeof(edp_config_set.raw));
ASSERT(result == DC_OK);
}
ASSERT(result == DC_OK);
}
link->panel_mode = panel_mode;
DC_LOG_DETECTION_DP_CAPS("Link: %d eDP panel mode supported: %d "
"eDP panel mode enabled: %d \n",