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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.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_irq_kms.c b/drivers/gpu/drm/radeon/radeon_irq_kms.c
index a0fe6232dcb..84f8a6fb0da 100644
--- a/drivers/gpu/drm/radeon/radeon_irq_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c
@@ -94,10 +94,18 @@ int radeon_irq_kms_init(struct radeon_device *rdev)
}
/* enable msi */
rdev->msi_enabled = 0;
- if (rdev->family >= CHIP_RV380) {
+ /* MSIs don't seem to work on my rs780;
+ * not sure about rs880 or other rs780s.
+ * Needs more investigation.
+ */
+ if ((rdev->family >= CHIP_RV380) &&
+ (rdev->family != CHIP_RS780) &&
+ (rdev->family != CHIP_RS880)) {
int ret = pci_enable_msi(rdev->pdev);
- if (!ret)
+ if (!ret) {
rdev->msi_enabled = 1;
+ DRM_INFO("radeon: using MSI.\n");
+ }
}
drm_irq_install(rdev->ddev);
rdev->irq.installed = true;