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drm/amd/display: fix dc_get_edp_link_panel_inst to only consider links with panels

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This function is meant to be used on multi-edp systems and only makes sense
if only links with connected panels are considered.

Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Dmytro Laktyushkin 2022-12-06 10:06:14 -05:00 committed by Alex Deucher
parent 2d90a1c054
commit 324de40a56
1 changed files with 9 additions and 6 deletions
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15
drivers/gpu/drm/amd/display/dc/dc_link.h
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@ -335,15 +335,18 @@ static inline bool dc_get_edp_link_panel_inst(const struct dc *dc,
unsigned int *inst_out)
{
struct dc_link *edp_links[MAX_NUM_EDP];
int edp_num;
int edp_num, i;
if (link->connector_signal != SIGNAL_TYPE_EDP)
*inst_out = 0;
if (link->connector_signal != SIGNAL_TYPE_EDP || !link->local_sink)
return false;
get_edp_links(dc, edp_links, &edp_num);
if ((edp_num > 1) && (link->link_index > edp_links[0]->link_index))
*inst_out = 1;
else
*inst_out = 0;
for (i = 0; i < edp_num; i++) {
if (link == edp_links[i])
break;
if (edp_links[i]->local_sink)
(*inst_out)++;
}
return true;
}