diff options
Diffstat (limited to 'drivers/gpu/vga')
| -rw-r--r-- | drivers/gpu/vga/Kconfig | 6 | ||||
| -rw-r--r-- | drivers/gpu/vga/vga_switcheroo.c | 6 |
2 files changed, 7 insertions, 5 deletions
diff --git a/drivers/gpu/vga/Kconfig b/drivers/gpu/vga/Kconfig index 61ab4daf0bbb..8d0e31a22027 100644 --- a/drivers/gpu/vga/Kconfig +++ b/drivers/gpu/vga/Kconfig @@ -18,12 +18,12 @@ config VGA_ARB_MAX_GPUS multiple GPUS. The overhead for each GPU is very small. config VGA_SWITCHEROO - bool "Laptop Hybrid Grapics - GPU switching support" + bool "Laptop Hybrid Graphics - GPU switching support" depends on X86 depends on ACPI help - Many laptops released in 2008/9/10 have two gpus with a multiplxer + Many laptops released in 2008/9/10 have two GPUs with a multiplexer to switch between them. This adds support for dynamic switching when X isn't running and delayed switching until the next logoff. This - features is called hybrid graphics, ATI PowerXpress, and Nvidia + feature is called hybrid graphics, ATI PowerXpress, and Nvidia HybridPower. diff --git a/drivers/gpu/vga/vga_switcheroo.c b/drivers/gpu/vga/vga_switcheroo.c index d6d1149d525d..c8768f38511e 100644 --- a/drivers/gpu/vga/vga_switcheroo.c +++ b/drivers/gpu/vga/vga_switcheroo.c @@ -276,8 +276,10 @@ vga_switcheroo_debugfs_write(struct file *filp, const char __user *ubuf, mutex_lock(&vgasr_mutex); - if (!vgasr_priv.active) - return -EINVAL; + if (!vgasr_priv.active) { + cnt = -EINVAL; + goto out; + } /* pwr off the device not in use */ if (strncmp(usercmd, "OFF", 3) == 0) { |