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drm/amdgpu: add option params to enforce process isolation between graphics and compute

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enforce process isolation between graphics and compute via using the same reserved vmid.

v2: remove params "struct amdgpu_vm *vm" from
    amdgpu_vmid_alloc_reserved and amdgpu_vmid_free_reserved.

Signed-off-by: Chong Li <chongli2@amd.com>
Reviewed-by: Christian Koenig <Christian.Koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Chong Li
2023-06-07 15:56:12 +08:00
committed by Alex Deucher
parent 4e70da985c
commit 80e709ee6e
5 changed files with 36 additions and 23 deletions
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10
drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
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@@ -153,7 +153,7 @@ uint amdgpu_pg_mask = 0xffffffff;
uint amdgpu_sdma_phase_quantum = 32;
char *amdgpu_disable_cu;
char *amdgpu_virtual_display;
bool enforce_isolation;
/*
* OverDrive(bit 14) disabled by default
* GFX DCS(bit 19) disabled by default
@@ -973,6 +973,14 @@ MODULE_PARM_DESC(
4 = AMDGPU_CPX_PARTITION_MODE)");
module_param_named(user_partt_mode, amdgpu_user_partt_mode, uint, 0444);
/**
* DOC: enforce_isolation (bool)
* enforce process isolation between graphics and compute via using the same reserved vmid.
*/
module_param(enforce_isolation, bool, 0444);
MODULE_PARM_DESC(enforce_isolation, "enforce process isolation between graphics and compute . enforce_isolation = on");
/* These devices are not supported by amdgpu.
* They are supported by the mach64, r128, radeon drivers
*/