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drm/amd/display: Correctly respond in psr enablement interface 

[Why]
dc_link_set_psr_allow_active() always returns true, even in the case
that PSR is not supported.

[How]
Hook up the return value of dc_link_set_psr_allow_active().

Signed-off-by: Camille Cho <Camille.Cho@amd.com>
Reviewed-by: Josip Pavic <Josip.Pavic@amd.com>
Acked-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Camille Cho 2020-05-29 15:30:32 +08:00 committed by Alex Deucher
parent d2e0d8263b
commit 4074bc3fca
1 changed files with 4 additions and 2 deletions
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6
drivers/gpu/drm/amd/display/dc/core/dc_link.c
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@ -2557,12 +2557,14 @@ bool dc_link_set_psr_allow_active(struct dc_link *link, bool allow_active, bool
struct dmcu *dmcu = dc->res_pool->dmcu;
struct dmub_psr *psr = dc->res_pool->psr;
link->psr_settings.psr_allow_active = allow_active;
if (psr != NULL && link->psr_settings.psr_feature_enabled)
psr->funcs->psr_enable(psr, allow_active);
else if ((dmcu != NULL && dmcu->funcs->is_dmcu_initialized(dmcu)) && link->psr_settings.psr_feature_enabled)
dmcu->funcs->set_psr_enable(dmcu, allow_active, wait);
link->psr_settings.psr_allow_active = allow_active;
else
return false;
return true;
}