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drm/amd/display: enable_hpo_dp_link_output: Check link_res->hpo_dp_link_enc before using it

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From Alex Hung
e0b065ec636d66022ab7057e1635e9a941a42820 in linux-6.6.y/6.6.55
d925c04d974c657d10471c0c2dba3bc9c7d994ee in mainline linux
This commit is contained in:
jsg
2024-10-11 03:00:56 +00:00
parent c54916ef0d
commit fcdb63029e
1 changed files with 5 additions and 0 deletions
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5
sys/dev/pci/drm/amd/display/dc/link/hwss/link_hwss_hpo_dp.c
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@@ -110,6 +110,11 @@ void enable_hpo_dp_link_output(struct dc_link *link,
enum clock_source_id clock_source,
const struct dc_link_settings *link_settings)
{
if (!link_res->hpo_dp_link_enc) {
DC_LOG_ERROR("%s: invalid hpo_dp_link_enc\n", __func__);
return;
}
if (link->dc->res_pool->dccg->funcs->set_symclk32_le_root_clock_gating)
link->dc->res_pool->dccg->funcs->set_symclk32_le_root_clock_gating(
link->dc->res_pool->dccg,