Raven claims to support them, but seems to have problems. Stick
with MSIs for now on APUs.
Tested-by: Tom St Denis <tom.stdenis@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
index 98aa28edba6a..8f2236bd7d0e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
@@ -248,7 +248,8 @@ int amdgpu_irq_init(struct amdgpu_device *adev)
unsigned int flags;
int nvec = pci_msix_vec_count(adev->pdev);
- if (nvec <= 0) {
+ /* Raven claims to support MSI-X, but seems to have problems */
+ if ((nvec <= 0) || (adev->flags & AMD_IS_APU)) {
flags = PCI_IRQ_MSI;
nvec = 1;
} else {
--
2.20.1
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