Revert "drm/amdgpu/display: set vblank_disable_immediate for DC"

From Alex Deucher
990132bebcc81aa95c1a1ac4422b0364753d9d39 in linux 5.15.y/5.15.53
a775e4e4941bf2f326aa36c58f67bd6c96cac717 in mainline linux

diff --git a/sys/dev/pci/drm/amd/amdgpu/amdgpu_irq.c b/sys/dev/pci/drm/amd/amdgpu/amdgpu_irq.c
index ea10001..2396d26 100644 (file)
--- a/sys/dev/pci/drm/amd/amdgpu/amdgpu_irq.c
+++ b/sys/dev/pci/drm/amd/amdgpu/amdgpu_irq.c
@@ -341,6 +341,7 @@ int amdgpu_irq_init(struct amdgpu_device *adev)
        if (!amdgpu_device_has_dc_support(adev)) {
                if (!adev->enable_virtual_display)
                        /* Disable vblank IRQs aggressively for power-saving */
+                       /* XXX: can this be enabled for DC? */
                        adev_to_drm(adev)->vblank_disable_immediate = true;
 
                r = drm_vblank_init(adev_to_drm(adev), adev->mode_info.num_crtc);

diff --git a/sys/dev/pci/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/sys/dev/pci/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index e214c29..b561902 100644 (file)
--- a/sys/dev/pci/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/sys/dev/pci/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -3840,9 +3840,6 @@ static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev)
        }
 #endif
 
-       /* Disable vblank IRQs aggressively for power-saving. */
-       adev_to_drm(adev)->vblank_disable_immediate = true;
-
        /* loops over all connectors on the board */
        for (i = 0; i < link_cnt; i++) {
                struct dc_link *link = NULL;