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authorJerome Glisse <jglisse@redhat.com>2010-01-07 15:39:14 +0100
committerDave Airlie <airlied@redhat.com>2010-01-08 13:12:20 +1000
commit003e69f9862bcda89a75c27750efdbc17ac02945 (patch)
tree6a172f0fae732500196f7a5103bdf94044573856 /drivers/gpu/drm/radeon/radeon_irq_kms.c
parente77cef9c2d87db835ad9d70cde4a9b00b0ca2262 (diff)
downloadlinux-003e69f9862bcda89a75c27750efdbc17ac02945.tar.bz2
drm/radeon/kms: Don't try to enable IRQ if we have no handler installed
If for any reason we haven't installed handler we shouldn't try to enable IRQ/MSI on the hw so we don't get unhandled IRQ/MSI which makes the kernel sad. Signed-off-by: Jerome Glisse <jglisse@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_irq_kms.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_irq_kms.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_irq_kms.c b/drivers/gpu/drm/radeon/radeon_irq_kms.c
index 9223296fe37b..3cfd60fd0083 100644
--- a/drivers/gpu/drm/radeon/radeon_irq_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c
@@ -97,6 +97,7 @@ void radeon_driver_irq_uninstall_kms(struct drm_device *dev)
rdev->irq.sw_int = false;
for (i = 0; i < 2; i++) {
rdev->irq.crtc_vblank_int[i] = false;
+ rdev->irq.hpd[i] = false;
}
radeon_irq_set(rdev);
}
@@ -128,17 +129,22 @@ int radeon_irq_kms_init(struct radeon_device *rdev)
DRM_INFO("radeon: using MSI.\n");
}
}
- drm_irq_install(rdev->ddev);
rdev->irq.installed = true;
+ r = drm_irq_install(rdev->ddev);
+ if (r) {
+ rdev->irq.installed = false;
+ return r;
+ }
DRM_INFO("radeon: irq initialized.\n");
return 0;
}
void radeon_irq_kms_fini(struct radeon_device *rdev)
{
+ drm_vblank_cleanup(rdev->ddev);
if (rdev->irq.installed) {
- rdev->irq.installed = false;
drm_irq_uninstall(rdev->ddev);
+ rdev->irq.installed = false;
if (rdev->msi_enabled)
pci_disable_msi(rdev->pdev);
}