[AMD Official Use Only - General] Reviewed-by: Tim Huang <[email protected]>
Best Regards, Tim Huang -----Original Message----- From: Zhang, Yifan <[email protected]> Sent: Wednesday, August 31, 2022 8:56 AM To: [email protected] Cc: Huang, Tim <[email protected]>; Deucher, Alexander <[email protected]>; Du, Xiaojian <[email protected]>; Xiao, Jack <[email protected]>; Zhang, Yifan <[email protected]> Subject: [PATCH v2] 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 <[email protected]> --- drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c | 3 +++ 1 file changed, 3 insertions(+) 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; } -- 2.37.1
