diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_dma.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_dma.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index 9909505d070a..5a49a1867b35 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -33,6 +33,7 @@ #include "intel_drv.h" #include "i915_drm.h" #include "i915_drv.h" +#include <linux/vgaarb.h> /* Really want an OS-independent resettable timer. Would like to have * this loop run for (eg) 3 sec, but have the timer reset every time @@ -1012,6 +1013,19 @@ static int i915_probe_agp(struct drm_device *dev, uint32_t *aperture_size, return 0; } +/* true = enable decode, false = disable decoder */ +static unsigned int i915_vga_set_decode(void *cookie, bool state) +{ + struct drm_device *dev = cookie; + + intel_modeset_vga_set_state(dev, 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; +} + static int i915_load_modeset_init(struct drm_device *dev, unsigned long prealloc_size, unsigned long agp_size) @@ -1057,6 +1071,11 @@ static int i915_load_modeset_init(struct drm_device *dev, if (ret) DRM_INFO("failed to find VBIOS tables\n"); + /* if we have > 1 VGA cards, then disable the radeon VGA resources */ + ret = vga_client_register(dev->pdev, dev, NULL, i915_vga_set_decode); + if (ret) + goto destroy_ringbuffer; + ret = drm_irq_install(dev); if (ret) goto destroy_ringbuffer; @@ -1324,6 +1343,7 @@ int i915_driver_unload(struct drm_device *dev) if (drm_core_check_feature(dev, DRIVER_MODESET)) { drm_irq_uninstall(dev); + vga_client_register(dev->pdev, NULL, NULL, NULL); } if (dev->pdev->msi_enabled) |