>From dba40a55ac5c33b157dee7b5fa53000d19ffca6c Mon Sep 17 00:00:00 2001 From: Alex Deucher <alexdeuc...@gmail.com> Date: Tue, 30 Mar 2010 17:22:32 -0400 Subject: [PATCH] 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 <alexdeuc...@gmail.com>
---
drivers/gpu/drm/radeon/radeon_irq_kms.c | 8 +++-----
1 files changed, 3 insertions(+), 5 deletions(-)
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 @@ int radeon_irq_kms_init(struct radeon_device *rdev)
}
/* 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;
--
1.5.6.3
0001-drm-radeon-kms-disable-MSI-on-IGP-chips.patch
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