diff options
| -rw-r--r-- | drivers/gpu/vga/vgaarb.c | 7 | ||||
| -rw-r--r-- | drivers/pci/pci-sysfs.c | 5 | ||||
| -rw-r--r-- | include/linux/vgaarb.h | 2 |
3 files changed, 14 insertions, 0 deletions
diff --git a/drivers/gpu/vga/vgaarb.c b/drivers/gpu/vga/vgaarb.c index 111d956..e223b96 100644 --- a/drivers/gpu/vga/vgaarb.c +++ b/drivers/gpu/vga/vgaarb.c @@ -136,6 +136,11 @@ struct pci_dev *vga_default_device(void) { return vga_default; } + +void vga_set_default_device(struct pci_dev *pdev) +{ + vga_default = pdev; +} #endif static inline void vga_irq_set_state(struct vga_device *vgadev, bool state) @@ -605,10 +610,12 @@ static bool vga_arbiter_del_pci_device(struct pci_dev *pdev) goto bail; } +#ifndef __ARCH_HAS_VGA_DEFAULT_DEVICE if (vga_default == pdev) { pci_dev_put(vga_default); vga_default = NULL; } +#endif if (vgadev->decodes & (VGA_RSRC_LEGACY_IO | VGA_RSRC_LEGACY_MEM)) vga_decode_count--; diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c index a55e248..86c63fe 100644 --- a/drivers/pci/pci-sysfs.c +++ b/drivers/pci/pci-sysfs.c @@ -27,6 +27,7 @@ #include <linux/security.h> #include <linux/pci-aspm.h> #include <linux/slab.h> +#include <linux/vgaarb.h> #include "pci.h" static int sysfs_initialized; /* = 0 */ @@ -417,6 +418,10 @@ static ssize_t boot_vga_show(struct device *dev, struct device_attribute *attr, char *buf) { struct pci_dev *pdev = to_pci_dev(dev); + struct pci_dev *vga_dev = vga_default_device(); + + if (vga_dev) + return sprintf(buf, "%u\n", (pdev == vga_dev)); return sprintf(buf, "%u\n", !!(pdev->resource[PCI_ROM_RESOURCE].flags & diff --git a/include/linux/vgaarb.h b/include/linux/vgaarb.h index 9c3120d..759a25b 100644 --- a/include/linux/vgaarb.h +++ b/include/linux/vgaarb.h @@ -31,6 +31,7 @@ #ifndef LINUX_VGA_H #define LINUX_VGA_H +#include <video/vga.h> /* Legacy VGA regions */ #define VGA_RSRC_NONE 0x00 @@ -181,6 +182,7 @@ extern void vga_put(struct pci_dev *pdev, unsigned int rsrc); #ifndef __ARCH_HAS_VGA_DEFAULT_DEVICE extern struct pci_dev *vga_default_device(void); +extern void vga_set_default_device(struct pci_dev *pdev); #endif /** |