[PATCH 05/10] drm/amdgpu: Implement struct vga_switcheroo_client_ops.pre_switch
Thomas Zimmermann <[email protected]> Tue, 7 Jul 2026 15:38:12 +0200
| Newsgroups | org.kernel.vger.linux-fbdev,dev.linux.lists.sashiko-reviews,org.freedesktop.lists.amd-gfx,org.freedesktop.lists.dri-devel,org.freedesktop.lists.intel-gfx,org.freedesktop.lists.nouveau |
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| Message-ID | <[email protected]> |
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 <[email protected]> --- 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