drm/radeon/kms: disable MSI on IGP chips
Doesn't seem to work reliably and the pci quirks don't
always work.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/radeon/radeon_irq_kms.c b/drivers/gpu/drm/radeon/radeon_irq_kms.c
index 68519b4..a212041 100644
--- a/drivers/gpu/drm/radeon/radeon_irq_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c
@@ -114,13 +114,11 @@
}
/* enable msi */
rdev->msi_enabled = 0;
- /* MSIs don't seem to work on my rs780;
- * not sure about rs880 or other rs780s.
- * Needs more investigation.
+ /* MSIs don't seem to work reliably on all IGP
+ * chips. Disable MSI on them for now.
*/
if ((rdev->family >= CHIP_RV380) &&
- (rdev->family != CHIP_RS780) &&
- (rdev->family != CHIP_RS880)) {
+ (!(rdev->flags & RADEON_IS_IGP))) {
int ret = pci_enable_msi(rdev->pdev);
if (!ret) {
rdev->msi_enabled = 1;