From cfdf8b34b9c457aadfe6fb7d6674afa82e8cad2c Mon Sep 17 00:00:00 2001
From: Ahmad Rehman <Ahmad.Rehman@amd.com>
Date: Mon, 17 Mar 2025 23:41:47 -0400
Subject: [PATCH] drm/amdgpu/sdam: Skip SDMA queue reset for SRIOV
For SRIOV, skip the SDMA queue reset and return
error. The engine/queue reset failure will trigger
FLR in the sequence.
v2: do not add queue reset support mask for sriov
Signed-off-by: Ahmad Rehman <Ahmad.Rehman@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c
index fd34dc1380811..e77c99180fa32 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c
@@ -1666,6 +1666,10 @@ static int sdma_v4_4_2_reset_queue(struct amdgpu_ring *ring, unsigned int vmid)
{
struct amdgpu_device *adev = ring->adev;
u32 id = GET_INST(SDMA0, ring->me);
+
+ if (!(adev->sdma.supported_reset & AMDGPU_RESET_TYPE_PER_QUEUE))
+ return -EOPNOTSUPP;
+
return amdgpu_sdma_reset_engine(adev, id, true);
}
@@ -2347,6 +2351,9 @@ static void sdma_v4_4_2_set_vm_pte_funcs(struct amdgpu_device *adev)
*/
static void sdma_v4_4_2_update_reset_mask(struct amdgpu_device *adev)
{
+ /* per queue reset not supported for SRIOV */
+ if (amdgpu_sriov_vf(adev))
+ return;
/*
* the user queue relies on MEC fw and pmfw when the sdma queue do reset.
--
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