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authorVictor Zhao <Victor.Zhao@amd.com>2022-10-26 06:48:50 +0300
committerAlex Deucher <alexander.deucher@amd.com>2022-11-04 23:05:53 +0300
commitec4927d463cbf385be212af1ade9f5a6f1474d4f (patch)
treea16a3bedc6d928786264faf2d1ecdbc940681766 /drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
parent5cefe31b2a34005c83ff45834e21a0578defcbe4 (diff)
downloadlinux-ec4927d463cbf385be212af1ade9f5a6f1474d4f.tar.xz
drm/amdgpu: fix for suspend/resume sequence under sriov
- clear kiq ring after suspend/resume under sriov to aviod kiq ring test failure - update irq after resume to fix kiq interrput loss Signed-off-by: Victor Zhao <Victor.Zhao@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
index 7853d3ca58cf..49d34c7bbf20 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
@@ -6909,6 +6909,8 @@ static int gfx_v10_0_kiq_init_queue(struct amdgpu_ring *ring)
mutex_unlock(&adev->srbm_mutex);
} else {
memset((void *)mqd, 0, sizeof(*mqd));
+ if (amdgpu_sriov_vf(adev) && adev->in_suspend)
+ amdgpu_ring_clear_ring(ring);
mutex_lock(&adev->srbm_mutex);
nv_grbm_select(adev, ring->me, ring->pipe, ring->queue, 0);
amdgpu_ring_init_mqd(ring);