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drm/amdgpu: enable mcbp by default on gfx9

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It's required for high priority queues.

Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2535
Reviewed-and-tested-by: Jiadong Zhu <Jiadong.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2023-06-16 17:07:53 -04:00
parent 02ff519e99
commit 50a7c8765c
2 changed files with 8 additions and 3 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

5
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
View file

@ -3678,6 +3678,11 @@ static void amdgpu_device_set_mcbp(struct amdgpu_device *adev)
if (amdgpu_mcbp == 1)
adev->gfx.mcbp = true;
if ((adev->ip_versions[GC_HWIP][0] >= IP_VERSION(9, 0, 0)) &&
(adev->ip_versions[GC_HWIP][0] < IP_VERSION(10, 0, 0)) &&
adev->gfx.num_gfx_rings)
adev->gfx.mcbp = true;
if (amdgpu_sriov_vf(adev))
adev->gfx.mcbp = true;

6
drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
View file

@ -180,7 +180,7 @@ uint amdgpu_dc_feature_mask = 2;
uint amdgpu_dc_debug_mask;
uint amdgpu_dc_visual_confirm;
int amdgpu_async_gfx_ring = 1;
int amdgpu_mcbp;
int amdgpu_mcbp = -1;
int amdgpu_discovery = -1;
int amdgpu_mes;
int amdgpu_mes_kiq;
@ -634,10 +634,10 @@ module_param_named(async_gfx_ring, amdgpu_async_gfx_ring, int, 0444);
/**
* DOC: mcbp (int)
* It is used to enable mid command buffer preemption. (0 = disabled (default), 1 = enabled)
* It is used to enable mid command buffer preemption. (0 = disabled, 1 = enabled, -1 auto (default))
*/
MODULE_PARM_DESC(mcbp,
"Enable Mid-command buffer preemption (0 = disabled (default), 1 = enabled)");
"Enable Mid-command buffer preemption (0 = disabled, 1 = enabled), -1 = auto (default)");
module_param_named(mcbp, amdgpu_mcbp, int, 0444);
/**