[PATCH 09/10] drm/radeon: Implement struct vga_switcheroo_client_ops.pre_switch
From: Thomas Zimmermann <tzimmermann@suse.de>
Date: 2026-07-07 13:57:56
Also in:
amd-gfx, dri-devel, intel-gfx, nouveau, sashiko-reviews
Subsystem:
drm drivers, radeon and amdgpu drm drivers, the rest · Maintainers:
David Airlie, Simona Vetter, Alex Deucher, Christian König, Linus Torvalds
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/radeon/radeon_device.c | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index 705c012fcf9e..8697a9eb5d13 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c@@ -1258,10 +1258,18 @@ static bool radeon_switcheroo_can_switch(struct pci_dev *pdev) return atomic_read(&dev->open_count) == 0; } +static void radeon_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 radeon_switcheroo_ops = { .set_gpu_state = radeon_switcheroo_set_state, .reprobe = NULL, .can_switch = radeon_switcheroo_can_switch, + .pre_switch = radeon_switcheroo_pre_switch, }; /**
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2.54.0