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drm/amdgpu: add module parameter for async_gfx_ring enablement

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0 means disable async_gfx_ring and is the default setting
1 means enable async_gfx_ring

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Jack Xiao <jack.xiao@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Hawking Zhang 2018-07-31 15:00:40 +08:00 committed by Alex Deucher
parent 53b2fe415f
commit 51bcce4621
2 changed files with 10 additions and 0 deletions
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1
drivers/gpu/drm/amd/amdgpu/amdgpu.h
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@ -158,6 +158,7 @@ extern uint amdgpu_dm_abm_level;
extern struct amdgpu_mgpu_info mgpu_info;
extern int amdgpu_ras_enable;
extern uint amdgpu_ras_mask;
extern int amdgpu_async_gfx_ring;
#ifdef CONFIG_DRM_AMDGPU_SI
extern int amdgpu_si_support;

9
drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
View File

@ -136,6 +136,7 @@ int amdgpu_emu_mode = 0;
uint amdgpu_smu_memory_pool_size = 0;
/* FBC (bit 0) disabled by default*/
uint amdgpu_dc_feature_mask = 0;
int amdgpu_async_gfx_ring = 0;
struct amdgpu_mgpu_info mgpu_info = {
.mutex = __MUTEX_INITIALIZER(mgpu_info.mutex),
@ -565,6 +566,14 @@ MODULE_PARM_DESC(smu_memory_pool_size,
"0x1 = 256Mbyte, 0x2 = 512Mbyte, 0x4 = 1 Gbyte, 0x8 = 2GByte");
module_param_named(smu_memory_pool_size, amdgpu_smu_memory_pool_size, uint, 0444);
/**
* DOC: async_gfx_ring (int)
* It is used to enable gfx rings that could be configured with different prioritites or equal priorities
*/
MODULE_PARM_DESC(async_gfx_ring,
"Asynchronous GFX rings that could be configured with either different priorities (HP3D ring and LP3D ring), or equal priorities (0 = disabled (default), 1 = enabled)");
module_param_named(async_gfx_ring, amdgpu_async_gfx_ring, int, 0444);
#ifdef CONFIG_HSA_AMD
/**
* DOC: sched_policy (int)