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authorTakashi Iwai <tiwai@suse.de>2021-08-30 14:57:03 +0200
committerTakashi Iwai <tiwai@suse.de>2021-08-30 14:57:03 +0200
commita8729efbbb847f6ea9b06e73491ec8ddb560465e (patch)
treec2e172452158457ab238080405060110934ad9d1 /drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
parentf7b82b12626e10a2f5332b699cc79819ac8decc7 (diff)
parent38b7673000949ca784fcb8a9feb70d2a802befa6 (diff)
Merge tag 'asoc-v5.15' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Updates for v5.15 Quite a quiet release this time, mostly a combination of cleanups and a good set of new drivers. - Lots of cleanups and improvements to the Intel drivers, including some new systems support. - New support for AMD Vangoh, CUI CMM-4030D-261, Mediatek Mt8195, Renesas RZ/G2L Mediatek Mt8195, RealTek RT101P, Renesas RZ/G2L,, Rockchip RK3568 S/PDIF.
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
index 32ce0e679dc7..83af307e97cd 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
@@ -278,6 +278,21 @@ static bool amdgpu_msi_ok(struct amdgpu_device *adev)
return true;
}
+static void amdgpu_restore_msix(struct amdgpu_device *adev)
+{
+ u16 ctrl;
+
+ pci_read_config_word(adev->pdev, adev->pdev->msix_cap + PCI_MSIX_FLAGS, &ctrl);
+ if (!(ctrl & PCI_MSIX_FLAGS_ENABLE))
+ return;
+
+ /* VF FLR */
+ ctrl &= ~PCI_MSIX_FLAGS_ENABLE;
+ pci_write_config_word(adev->pdev, adev->pdev->msix_cap + PCI_MSIX_FLAGS, ctrl);
+ ctrl |= PCI_MSIX_FLAGS_ENABLE;
+ pci_write_config_word(adev->pdev, adev->pdev->msix_cap + PCI_MSIX_FLAGS, ctrl);
+}
+
/**
* amdgpu_irq_init - initialize interrupt handling
*
@@ -569,6 +584,9 @@ void amdgpu_irq_gpu_reset_resume_helper(struct amdgpu_device *adev)
{
int i, j, k;
+ if (amdgpu_sriov_vf(adev))
+ amdgpu_restore_msix(adev);
+
for (i = 0; i < AMDGPU_IRQ_CLIENTID_MAX; ++i) {
if (!adev->irq.client[i].sources)
continue;