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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2024-07-15 14:03:44 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2024-07-15 14:03:44 -0700
commita23e1966932464e1c5226cb9ac4ce1d5fc10ba22 (patch)
treebf5f1b57faa01ca31656bfc48c7d6b6f0bc39189 /drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
parent7c7b1be19b228b450c2945ec379d7fc6bfef9852 (diff)
parentf3efefb6fdcce604413135bd8d4c5568e53a1f13 (diff)
Merge branch 'next' into for-linus
Prepare input updates for 6.11 merge window.
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c47
1 files changed, 27 insertions, 20 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
index 5273decc5753..7e6d09730e6d 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)
{
@@ -493,7 +500,7 @@ void amdgpu_irq_delegate(struct amdgpu_device *adev,
struct amdgpu_iv_entry *entry,
unsigned int num_dw)
{
- amdgpu_ih_ring_write(&adev->irq.ih_soft, entry->iv_entry, num_dw);
+ amdgpu_ih_ring_write(adev, &adev->irq.ih_soft, entry->iv_entry, num_dw);
schedule_work(&adev->irq.ih_soft_work);
}