[PATCH 2/2] drm/amdgpu: add mcbp support for sdma v4.0

From: "Jiadong.Zhu" Set register to enable mcbp according to amdgpu_mcbp. Add sdma preempt_ib function used for debugfs test. --- drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c | 53 ++ 1 file changed, 53 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drive

[PATCH 2/2] drm/amdgpu: add mcbp support for sdma v4.0

From: "Jiadong.Zhu" Set register to enable mcbp according to amdgpu_mcbp. Add sdma preempt_ib function used for debugfs test. --- drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c | 53 ++ 1 file changed, 53 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drive