From: Roman Li Date: Mon, 30 Sep 2024 22:18:35 +0000 (-0400) Subject: drm/amd/display: Add check for headless for idle optimization X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=f79f4dd6001acd1e6ea6aae8e219060a566409b2;p=users%2Fdwmw2%2Flinux.git drm/amd/display: Add check for headless for idle optimization [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 Signed-off-by: Roman Li Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher --- 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 894442d2233c7..8fdef03b04a1d 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -9589,7 +9589,7 @@ static void amdgpu_dm_commit_streams(struct drm_atomic_state *state, WARN_ON(!dc_commit_streams(dm->dc, ¶ms)); /* 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);