[PATCH 05/10] drm/amdgpu: Implement struct vga_switcheroo_client_ops.pre_switch

[Thomas Zimmermann <tzimmermann@suse.de>]

Call drm_client_dev_acquire_outputs() from vga_switcheroo's pre_switch
callback. Pushes fbcon updates from vga_switcheroo into DRM's fbdev
emulation.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 78c96c7102e4..87a59a79a019 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -1699,10 +1699,18 @@ static bool amdgpu_switcheroo_can_switch(struct pci_dev *pdev)
 	return atomic_read(&dev->open_count) == 0;
 }
 
+static void amdgpu_switcheroo_pre_switch(struct pci_dev *pdev)
+{
+	struct drm_device *dev = pci_get_drvdata(pdev);
+
+	drm_client_dev_acquire_outputs(dev);
+}
+
 static const struct vga_switcheroo_client_ops amdgpu_switcheroo_ops = {
 	.set_gpu_state = amdgpu_switcheroo_set_state,
 	.reprobe = NULL,
 	.can_switch = amdgpu_switcheroo_can_switch,
+	.pre_switch = amdgpu_switcheroo_pre_switch,
 };
 
 /**
-- 
2.54.0