From 88f002cc7c9c55f40bdaaa720a39b6484cdfbb3f Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Thu, 1 Nov 2012 16:16:32 +1000 Subject: [PATCH] drm/nouveau: headless mode by default if pci class != vga display This is to prevent nouveau from taking over the console on headless boards such as Tesla. Backport of upstream commit: e412e95a268fa8544858ebfe066826b290430d51 Signed-off-by: Ben Skeggs Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/nouveau/nouveau_drv.c | 2 -- drivers/gpu/drm/nouveau/nouveau_state.c | 4 +++- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.c b/drivers/gpu/drm/nouveau/nouveau_drv.c index b5232582d1e8..05091c22a037 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drv.c +++ b/drivers/gpu/drm/nouveau/nouveau_drv.c @@ -472,9 +472,7 @@ static int __init nouveau_init(void) #ifdef CONFIG_VGA_CONSOLE if (vgacon_text_force()) nouveau_modeset = 0; - else #endif - nouveau_modeset = 1; } if (!nouveau_modeset) diff --git a/drivers/gpu/drm/nouveau/nouveau_state.c b/drivers/gpu/drm/nouveau/nouveau_state.c index c2a8511e855a..b096cf28213a 100644 --- a/drivers/gpu/drm/nouveau/nouveau_state.c +++ b/drivers/gpu/drm/nouveau/nouveau_state.c @@ -47,6 +47,7 @@ static int nouveau_init_engine_ptrs(struct drm_device *dev) { struct drm_nouveau_private *dev_priv = dev->dev_private; struct nouveau_engine *engine = &dev_priv->engine; + u32 pclass = dev->pdev->class >> 8; switch (dev_priv->chipset & 0xf0) { case 0x00: @@ -526,7 +527,8 @@ static int nouveau_init_engine_ptrs(struct drm_device *dev) } /* headless mode */ - if (nouveau_modeset == 2) { + if (nouveau_modeset == 2 || + (nouveau_modeset < 0 && pclass != PCI_CLASS_DISPLAY_VGA)) { engine->display.early_init = nouveau_stub_init; engine->display.late_takedown = nouveau_stub_takedown; engine->display.create = nouveau_stub_init; -- 2.39.5