[PATCH 07/10] drm/nouveau: Implement vga_switcheroo_client_ops.pre_switch
Thomas Zimmermann <[email protected]> Tue, 7 Jul 2026 15:38:14 +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/nouveau/nouveau_vga.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/gpu/drm/nouveau/nouveau_vga.c b/drivers/gpu/drm/nouveau/nouveau_vga.c index a6c375a24154..2d2d08be8fbe 100644 --- a/drivers/gpu/drm/nouveau/nouveau_vga.c +++ b/drivers/gpu/drm/nouveau/nouveau_vga.c @@ -76,11 +76,20 @@ nouveau_switcheroo_can_switch(struct pci_dev *pdev) return atomic_read(&drm->dev->open_count) == 0; } +static void +nouveau_switcheroo_pre_switch(struct pci_dev *pdev) +{ + struct nouveau_drm *drm = pci_get_drvdata(pdev); + + drm_client_dev_acquire_outputs(drm->dev); +} + static const struct vga_switcheroo_client_ops nouveau_switcheroo_ops = { .set_gpu_state = nouveau_switcheroo_set_state, .reprobe = nouveau_switcheroo_reprobe, .can_switch = nouveau_switcheroo_can_switch, + .pre_switch = nouveau_switcheroo_pre_switch, }; void -- 2.54.0