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authorYifan Zhang <yifan1.zhang@amd.com>2022-08-30 23:18:47 +0800
committerAlex Deucher <alexander.deucher@amd.com>2022-09-01 15:10:35 -0400
commit75efc459ea3127dc902bc129526babd6135c494b (patch)
tree72b96c974bdf2b252d42dfad15138532dd7be633 /drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
parent41ee1f18ef52390518ed14b8be98640955d8f767 (diff)
drm/amdgpu/mes: zero the sdma_hqd_mask of 2nd SDMA engine for SDMA 6.0.1
there is only one SDMA engine in SDMA 6.0.1, the sdma_hqd_mask has to be zeroed for the 2nd engine, otherwise MES scheduler will consider 2nd engine exists and map/unmap SDMA queues to the non-existent engine. Signed-off-by: Yifan Zhang <yifan1.zhang@amd.com> Reviewed-by: Tim Huang <Tim.Huang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
index fe82b8b19a4e..0c546245793b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
@@ -181,6 +181,9 @@ int amdgpu_mes_init(struct amdgpu_device *adev)
for (i = 0; i < AMDGPU_MES_MAX_SDMA_PIPES; i++) {
if (adev->ip_versions[SDMA0_HWIP][0] < IP_VERSION(6, 0, 0))
adev->mes.sdma_hqd_mask[i] = i ? 0 : 0x3fc;
+ /* zero sdma_hqd_mask for non-existent engine */
+ else if (adev->sdma.num_instances == 1)
+ adev->mes.sdma_hqd_mask[i] = i ? 0 : 0xfc;
else
adev->mes.sdma_hqd_mask[i] = 0xfc;
}