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authorDave Airlie <airlied@redhat.com>2023-05-11 23:46:33 +0300
committerDave Airlie <airlied@redhat.com>2023-05-11 23:46:34 +0300
commitd8843eebbbd15b78c6a7745717b3705eca923b0f (patch)
treeefc3f4020e9e2f52a8ea7279c0eb139582879007 /drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
parent9235c21c37facd131b4d126ce7535ca573f850e3 (diff)
parent996e93a3fe74dcf9d467ae3020aea42cc3ff65e3 (diff)
downloadlinux-d8843eebbbd15b78c6a7745717b3705eca923b0f.tar.xz
Merge tag 'amd-drm-fixes-6.4-2023-05-11' of https://gitlab.freedesktop.org/agd5f/linux into drm-fixes
amdgpu: - VCN3 fixes - APUs always support PCI atomics - Legacy power management fixes - DCN 3.1.4 fix - DCFCLK fix - Fix several RAS irq refcount mismatches - GPU Reset fix - GFX 11.0.4 fix Signed-off-by: Dave Airlie <airlied@redhat.com> From: Alex Deucher <alexander.deucher@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230511141755.7896-1-alexander.deucher@amd.com
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_device.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_device.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 981a9cfb63b5..5c7d40873ee2 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -3757,6 +3757,12 @@ int amdgpu_device_init(struct amdgpu_device *adev,
adev->have_atomics_support = ((struct amd_sriov_msg_pf2vf_info *)
adev->virt.fw_reserve.p_pf2vf)->pcie_atomic_ops_support_flags ==
(PCI_EXP_DEVCAP2_ATOMIC_COMP32 | PCI_EXP_DEVCAP2_ATOMIC_COMP64);
+ /* APUs w/ gfx9 onwards doesn't reply on PCIe atomics, rather it is a
+ * internal path natively support atomics, set have_atomics_support to true.
+ */
+ else if ((adev->flags & AMD_IS_APU) &&
+ (adev->ip_versions[GC_HWIP][0] > IP_VERSION(9, 0, 0)))
+ adev->have_atomics_support = true;
else
adev->have_atomics_support =
!pci_enable_atomic_ops_to_root(adev->pdev,
@@ -4506,7 +4512,11 @@ static int amdgpu_device_recover_vram(struct amdgpu_device *adev)
dev_info(adev->dev, "recover vram bo from shadow start\n");
mutex_lock(&adev->shadow_list_lock);
list_for_each_entry(vmbo, &adev->shadow_list, shadow_list) {
- shadow = &vmbo->bo;
+ /* If vm is compute context or adev is APU, shadow will be NULL */
+ if (!vmbo->shadow)
+ continue;
+ shadow = vmbo->shadow;
+
/* No need to recover an evicted BO */
if (shadow->tbo.resource->mem_type != TTM_PL_TT ||
shadow->tbo.resource->start == AMDGPU_BO_INVALID_OFFSET ||