diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_device.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_device.c | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c index 88c19070247f..e3f9edfa40fe 100644 --- a/drivers/gpu/drm/radeon/radeon_device.c +++ b/drivers/gpu/drm/radeon/radeon_device.c @@ -29,6 +29,7 @@ #include <drm/drmP.h> #include <drm/drm_crtc_helper.h> #include <drm/radeon_drm.h> +#include <linux/vgaarb.h> #include "radeon_reg.h" #include "radeon.h" #include "radeon_asic.h" @@ -481,6 +482,18 @@ void radeon_combios_fini(struct radeon_device *rdev) { } +/* if we get transitioned to only one device, tak VGA back */ +static unsigned int radeon_vga_set_decode(void *cookie, bool state) +{ + struct radeon_device *rdev = cookie; + radeon_vga_set_state(rdev, state); + if (state) + return VGA_RSRC_LEGACY_IO | VGA_RSRC_LEGACY_MEM | + VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM; + else + return VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM; +} + void radeon_agp_disable(struct radeon_device *rdev) { rdev->flags &= ~RADEON_IS_AGP; @@ -573,9 +586,15 @@ int radeon_device_init(struct radeon_device *rdev, DRM_INFO("register mmio base: 0x%08X\n", (uint32_t)rdev->rmmio_base); DRM_INFO("register mmio size: %u\n", (unsigned)rdev->rmmio_size); + /* if we have > 1 VGA cards, then disable the radeon VGA resources */ + /* this will fail for cards that aren't VGA class devices, just + * ignore it */ + vga_client_register(rdev->pdev, rdev, NULL, radeon_vga_set_decode); + r = radeon_init(rdev); if (r) return r; + if (rdev->flags & RADEON_IS_AGP && !rdev->accel_working) { /* Acceleration not working on AGP card try again * with fallback to PCI or PCIE GART @@ -600,8 +619,8 @@ void radeon_device_fini(struct radeon_device *rdev) { DRM_INFO("radeon: finishing device.\n"); rdev->shutdown = true; - /* Order matter so becarefull if you rearrange anythings */ radeon_fini(rdev); + vga_client_register(rdev->pdev, NULL, NULL, NULL); iounmap(rdev->rmmio); rdev->rmmio = NULL; } |