diff options
| author | Alex Deucher <alexdeucher@gmail.com> | 2009-10-16 12:21:24 -0400 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2009-10-26 13:28:23 +1000 |
| commit | 3e5cb98dfe87cc61d0a1119dd8aa2b1e4cfab424 (patch) | |
| tree | d2ce9174cf1257cce348da291c67de9d67d2a69c /drivers/gpu/drm/radeon/radeon_irq_kms.c | |
| parent | ebbe1cb936dfc96d809ccf4d64a9755f8ba0c0ff (diff) | |
drm/radeon/kms: add support for msi
Try to enable msi on chips that support it.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_irq_kms.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_irq_kms.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_irq_kms.c b/drivers/gpu/drm/radeon/radeon_irq_kms.c index 8e0a8759e428..a0fe6232dcb6 100644 --- a/drivers/gpu/drm/radeon/radeon_irq_kms.c +++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c @@ -92,6 +92,13 @@ int radeon_irq_kms_init(struct radeon_device *rdev) if (r) { return r; } + /* enable msi */ + rdev->msi_enabled = 0; + if (rdev->family >= CHIP_RV380) { + int ret = pci_enable_msi(rdev->pdev); + if (!ret) + rdev->msi_enabled = 1; + } drm_irq_install(rdev->ddev); rdev->irq.installed = true; DRM_INFO("radeon: irq initialized.\n"); @@ -103,5 +110,7 @@ void radeon_irq_kms_fini(struct radeon_device *rdev) if (rdev->irq.installed) { rdev->irq.installed = false; drm_irq_uninstall(rdev->ddev); + if (rdev->msi_enabled) + pci_disable_msi(rdev->pdev); } } |