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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 17:40:19 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 17:40:19 +0000 |
commit | 9f0fc191371843c4fc000a226b0a26b6c059aacd (patch) | |
tree | 35f8be3ef04506ac891ad001e8c41e535ae8d01d /drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c | |
parent | Releasing progress-linux version 6.6.15-2~progress7.99u1. (diff) | |
download | linux-9f0fc191371843c4fc000a226b0a26b6c059aacd.tar.xz linux-9f0fc191371843c4fc000a226b0a26b6c059aacd.zip |
Merging upstream version 6.7.7.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c | 45 |
1 files changed, 26 insertions, 19 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c index fa6d0adcec..7e6d09730e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c @@ -270,29 +270,29 @@ static void amdgpu_restore_msix(struct amdgpu_device *adev) */ int amdgpu_irq_init(struct amdgpu_device *adev) { - int r = 0; - unsigned int irq; + unsigned int irq, flags; + int r; spin_lock_init(&adev->irq.lock); /* Enable MSI if not disabled by module parameter */ adev->irq.msi_enabled = false; + if (!amdgpu_msi_ok(adev)) + flags = PCI_IRQ_LEGACY; + else + flags = PCI_IRQ_ALL_TYPES; + + /* we only need one vector */ + r = pci_alloc_irq_vectors(adev->pdev, 1, 1, flags); + if (r < 0) { + dev_err(adev->dev, "Failed to alloc msi vectors\n"); + return r; + } + if (amdgpu_msi_ok(adev)) { - int nvec = pci_msix_vec_count(adev->pdev); - unsigned int flags; - - if (nvec <= 0) - flags = PCI_IRQ_MSI; - else - flags = PCI_IRQ_MSI | PCI_IRQ_MSIX; - - /* we only need one vector */ - nvec = pci_alloc_irq_vectors(adev->pdev, 1, 1, flags); - if (nvec > 0) { - adev->irq.msi_enabled = true; - dev_dbg(adev->dev, "using MSI/MSI-X.\n"); - } + adev->irq.msi_enabled = true; + dev_dbg(adev->dev, "using MSI/MSI-X.\n"); } INIT_WORK(&adev->irq.ih1_work, amdgpu_irq_handle_ih1); @@ -302,22 +302,29 @@ int amdgpu_irq_init(struct amdgpu_device *adev) /* Use vector 0 for MSI-X. */ r = pci_irq_vector(adev->pdev, 0); if (r < 0) - return r; + goto free_vectors; irq = r; /* PCI devices require shared interrupts. */ r = request_irq(irq, amdgpu_irq_handler, IRQF_SHARED, adev_to_drm(adev)->driver->name, adev_to_drm(adev)); if (r) - return r; + goto free_vectors; + adev->irq.installed = true; adev->irq.irq = irq; adev_to_drm(adev)->max_vblank_count = 0x00ffffff; DRM_DEBUG("amdgpu: irq initialized.\n"); return 0; -} +free_vectors: + if (adev->irq.msi_enabled) + pci_free_irq_vectors(adev->pdev); + + adev->irq.msi_enabled = false; + return r; +} void amdgpu_irq_fini_hw(struct amdgpu_device *adev) { |