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path: root/drivers/gpu/drm/radeon/radeon_irq_kms.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_irq_kms.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_irq_kms.c15
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_irq_kms.c b/drivers/gpu/drm/radeon/radeon_irq_kms.c
index 1841145a7c4f..a0fe6232dcb6 100644
--- a/drivers/gpu/drm/radeon/radeon_irq_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c
@@ -83,11 +83,22 @@ void radeon_driver_irq_uninstall_kms(struct drm_device *dev)
int radeon_irq_kms_init(struct radeon_device *rdev)
{
int r = 0;
+ int num_crtc = 2;
- r = drm_vblank_init(rdev->ddev, 2);
+ if (rdev->flags & RADEON_SINGLE_CRTC)
+ num_crtc = 1;
+
+ r = drm_vblank_init(rdev->ddev, num_crtc);
if (r) {
return r;
}
+ /* enable msi */
+ rdev->msi_enabled = 0;
+ if (rdev->family >= CHIP_RV380) {
+ int ret = pci_enable_msi(rdev->pdev);
+ if (!ret)
+ rdev->msi_enabled = 1;
+ }
drm_irq_install(rdev->ddev);
rdev->irq.installed = true;
DRM_INFO("radeon: irq initialized.\n");
@@ -99,5 +110,7 @@ void radeon_irq_kms_fini(struct radeon_device *rdev)
if (rdev->irq.installed) {
rdev->irq.installed = false;
drm_irq_uninstall(rdev->ddev);
+ if (rdev->msi_enabled)
+ pci_disable_msi(rdev->pdev);
}
}