>-----Original Message-----
>From: dri-devel <dri-devel-boun...@lists.freedesktop.org> On Behalf Of
>Piotr Stankiewicz
>Sent: Tuesday, June 2, 2020 5:21 AM
>To: Alex Deucher <alexander.deuc...@amd.com>; Christian König
><christian.koe...@amd.com>; David Zhou <david1.z...@amd.com>; David
>Airlie <airl...@linux.ie>; Daniel Vetter <dan...@ffwll.ch>
>Cc: Stankiewicz, Piotr <piotr.stankiew...@intel.com>; dri-
>de...@lists.freedesktop.org; amd-gfx@lists.freedesktop.org; linux-
>ker...@vger.kernel.org
>Subject: [PATCH 07/15] drm/amdgpu: use PCI_IRQ_MSI_TYPES where
>appropriate
>
>Seeing as there is shorthand available to use when asking for any type
>of interrupt, or any type of message signalled interrupt, leverage it.
>
>Signed-off-by: Piotr Stankiewicz <piotr.stankiew...@intel.com>
>Reviewed-by: Andy Shevchenko <andriy.shevche...@intel.com>
>---
> drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
>diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
>b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
>index 5ed4227f304b..6dbe173a9fd4 100644
>--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
>+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
>@@ -251,11 +251,11 @@ int amdgpu_irq_init(struct amdgpu_device *adev)
> int nvec = pci_msix_vec_count(adev->pdev);
> unsigned int flags;
>
>- if (nvec <= 0) {
>+ if (nvec > 0)
>+ flags = PCI_IRQ_MSI_TYPES;
>+ else
> flags = PCI_IRQ_MSI;
>- } else {
>- flags = PCI_IRQ_MSI | PCI_IRQ_MSIX;
>- }
Minor nit:
Is it really necessary to set do this check? Can flags just
be set?
I.e.:
flags = PCI_IRQ_MSI_TYPES;
pci_alloc_irq_vector() tries stuff in order. If MSIX is not available,
it will try MSI.
M
>+
> /* we only need one vector */
> nvec = pci_alloc_irq_vectors(adev->pdev, 1, 1, flags);
> if (nvec > 0) {
>--
>2.17.2
>
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