[PATCH 05/16] drm/amd/display: Add check for headless for idle optimization

[Roman.Li]

From: Roman Li <roman...@amd.com>

[Why]
Currently idle worker thread that checks for HPD while system is in IPS2
only supports headless and static screen use-cases.
In other display-off scenarios hotplug may not work.
[How]
For display-off only allow idle optimization when no display is connected.

Reviewed-by: Sun peng Li <sunpeng...@amd.com>
Signed-off-by: Roman Li <roman...@amd.com>
---
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c 
b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index e4511f2fb929..b19f94255c43 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -9549,7 +9549,7 @@ static void amdgpu_dm_commit_streams(struct 
drm_atomic_state *state,
        WARN_ON(!dc_commit_streams(dm->dc, &params));
 
        /* Allow idle optimization when vblank count is 0 for display off */
-       if (dm->active_vblank_irq_count == 0)
+       if ((dm->active_vblank_irq_count == 0) && 
amdgpu_dm_is_headless(dm->adev))
                dc_allow_idle_optimizations(dm->dc, true);
        mutex_unlock(&dm->dc_lock);
 
-- 
2.34.1