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authorBen Skeggs <bskeggs@redhat.com>2012-11-01 16:16:32 +1000
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-11-05 09:56:52 +0100
commit8c1118a286324e4c16352b317f4531e82ede021a (patch)
treeeeea7f3f6b2090b827de9f33adcdba888c7d12ce
parent83dc21544384ae8db01cc1c1a159ae6594444534 (diff)
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 <bskeggs@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_drv.c2
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_state.c4
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 1fcc69a77f64..a06eb3d58a5d 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drv.c
+++ b/drivers/gpu/drm/nouveau/nouveau_drv.c
@@ -488,9 +488,7 @@ 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 c61014442aa9..f5e95846b4c8 100644
--- a/drivers/gpu/drm/nouveau/nouveau_state.c
+++ b/drivers/gpu/drm/nouveau/nouveau_state.c
@@ -50,6 +50,7 @@ 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:
@@ -428,7 +429,8 @@ 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;