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drm/radeon/kms: disable MSI on IGP chips

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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>
This commit is contained in:
Alex Deucher
2010-03-30 17:22:32 -04:00
committed by Dave Airlie
parent f46c01208d
commit c414a117c6
1 changed files with 3 additions and 5 deletions
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8
drivers/gpu/drm/radeon/radeon_irq_kms.c
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@@ -114,13 +114,11 @@ int radeon_irq_kms_init(struct radeon_device *rdev)
} }
/* enable msi */ /* enable msi */
rdev->msi_enabled = 0; rdev->msi_enabled = 0;
/* MSIs don't seem to work on my rs780; /* MSIs don't seem to work reliably on all IGP
* not sure about rs880 or other rs780s. * chips. Disable MSI on them for now.
* Needs more investigation.
*/ */
if ((rdev->family >= CHIP_RV380) && if ((rdev->family >= CHIP_RV380) &&
(rdev->family != CHIP_RS780) && (!(rdev->flags & RADEON_IS_IGP))) {
(rdev->family != CHIP_RS880)) {
int ret = pci_enable_msi(rdev->pdev); int ret = pci_enable_msi(rdev->pdev);
if (!ret) { if (!ret) {
rdev->msi_enabled = 1; rdev->msi_enabled = 1;