From dba40a55ac5c33b157dee7b5fa53000d19ffca6c Mon Sep 17 00:00:00 2001 From: Alex Deucher 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 --- 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