From: Martin Leung <[email protected]>

[Why]
On baco-enabled systems running virtual dal, can get set power
state when hw is not initialized

[How]
Skip DC hw part of setPowerState when hw not available

Signed-off-by: Martin Leung <[email protected]>
Reviewed-by: Aric Cyr <[email protected]>
Acked-by: Eryk Brol <[email protected]>
---
 drivers/gpu/drm/amd/display/dc/core/dc.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c 
b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 87b8315cfbb8..daf1b20028b8 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -2887,6 +2887,9 @@ void dc_set_power_state(
        struct kref refcount;
        struct display_mode_lib *dml;
 
+       if (!dc->current_state)
+               return;
+
        switch (power_state) {
        case DC_ACPI_CM_POWER_STATE_D0:
                dc_resource_state_construct(dc, dc->current_state);
-- 
2.25.1

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