diff options
author | Roger He <Hongbo.He@amd.com> | 2017-08-15 11:05:59 +0300 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2017-08-17 23:47:43 +0300 |
commit | d07f14be4d11cf323977672342fb0fc6017052f6 (patch) | |
tree | 4361547a6d52ef30c2294189e9b2d5379fce94f7 /drivers/gpu/drm/amd | |
parent | e618d306ded38dc9d37c04dc37e24bf9d62e9c7b (diff) | |
download | linux-d07f14be4d11cf323977672342fb0fc6017052f6.tar.xz |
drm/amd/amdgpu: expose fragment size as module parameter (v2)
Allow overrides on the command line.
v2: agd: sqaush in spelling fix and bogus default value warning
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Roger He <Hongbo.He@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu.h | 1 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 7 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 4 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 25 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h | 5 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c | 3 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c | 3 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c | 3 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 9 |
9 files changed, 44 insertions, 16 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 1f915a5ce9ba..12e71bbfd222 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -96,6 +96,7 @@ extern int amdgpu_bapm; extern int amdgpu_deep_color; extern int amdgpu_vm_size; extern int amdgpu_vm_block_size; +extern int amdgpu_vm_fragment_size; extern int amdgpu_vm_fault_stop; extern int amdgpu_vm_debug; extern int amdgpu_vm_update_mode; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index a6f6cb0f2e02..1a459ac63df4 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -1076,6 +1076,13 @@ static void amdgpu_check_arguments(struct amdgpu_device *adev) amdgpu_gtt_size = -1; } + /* valid range is between 4 and 9 inclusive */ + if (amdgpu_vm_fragment_size != -1 && + (amdgpu_vm_fragment_size > 9 || amdgpu_vm_fragment_size < 4)) { + dev_warn(adev->dev, "valid range is between 4 and 9\n"); + amdgpu_vm_fragment_size = -1; + } + amdgpu_check_vm_size(adev); amdgpu_check_block_size(adev); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index 5e9ce8a29669..353e3467e5c8 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -94,6 +94,7 @@ unsigned amdgpu_ip_block_mask = 0xffffffff; int amdgpu_bapm = -1; int amdgpu_deep_color = 0; int amdgpu_vm_size = -1; +int amdgpu_vm_fragment_size = -1; int amdgpu_vm_block_size = -1; int amdgpu_vm_fault_stop = 0; int amdgpu_vm_debug = 0; @@ -183,6 +184,9 @@ module_param_named(deep_color, amdgpu_deep_color, int, 0444); MODULE_PARM_DESC(vm_size, "VM address space size in gigabytes (default 64GB)"); module_param_named(vm_size, amdgpu_vm_size, int, 0444); +MODULE_PARM_DESC(vm_fragment_size, "VM fragment size in bits (4, 5, etc. 4 = 64K (default), Max 9 = 2M)"); +module_param_named(vm_fragment_size, amdgpu_vm_fragment_size, int, 0444); + MODULE_PARM_DESC(vm_block_size, "VM page table size in bits (default depending on vm_size)"); module_param_named(vm_block_size, amdgpu_vm_block_size, int, 0444); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index efac05d489c9..6b1343e5541d 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -2413,12 +2413,26 @@ static uint32_t amdgpu_vm_get_block_size(uint64_t vm_size) } /** - * amdgpu_vm_adjust_size - adjust vm size and block size + * amdgpu_vm_set_fragment_size - adjust fragment size in PTE + * + * @adev: amdgpu_device pointer + * @fragment_size_default: the default fragment size if it's set auto + */ +void amdgpu_vm_set_fragment_size(struct amdgpu_device *adev, uint32_t fragment_size_default) +{ + if (amdgpu_vm_fragment_size == -1) + adev->vm_manager.fragment_size = fragment_size_default; + else + adev->vm_manager.fragment_size = amdgpu_vm_fragment_size; +} + +/** + * amdgpu_vm_adjust_size - adjust vm size, block size and fragment size * * @adev: amdgpu_device pointer * @vm_size: the default vm size if it's set auto */ -void amdgpu_vm_adjust_size(struct amdgpu_device *adev, uint64_t vm_size) +void amdgpu_vm_adjust_size(struct amdgpu_device *adev, uint64_t vm_size, uint32_t fragment_size_default) { /* adjust vm size firstly */ if (amdgpu_vm_size == -1) @@ -2433,8 +2447,11 @@ void amdgpu_vm_adjust_size(struct amdgpu_device *adev, uint64_t vm_size) else adev->vm_manager.block_size = amdgpu_vm_block_size; - DRM_INFO("vm size is %llu GB, block size is %u-bit\n", - adev->vm_manager.vm_size, adev->vm_manager.block_size); + amdgpu_vm_set_fragment_size(adev, fragment_size_default); + + DRM_INFO("vm size is %llu GB, block size is %u-bit, fragment size is %u-bit\n", + adev->vm_manager.vm_size, adev->vm_manager.block_size, + adev->vm_manager.fragment_size); } /** diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h index 45a276960d02..ba6691b58ee7 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h @@ -271,7 +271,10 @@ int amdgpu_vm_bo_clear_mappings(struct amdgpu_device *adev, uint64_t saddr, uint64_t size); void amdgpu_vm_bo_rmv(struct amdgpu_device *adev, struct amdgpu_bo_va *bo_va); -void amdgpu_vm_adjust_size(struct amdgpu_device *adev, uint64_t vm_size); +void amdgpu_vm_set_fragment_size(struct amdgpu_device *adev, + uint32_t fragment_size_default); +void amdgpu_vm_adjust_size(struct amdgpu_device *adev, uint64_t vm_size, + uint32_t fragment_size_default); int amdgpu_vm_ioctl(struct drm_device *dev, void *data, struct drm_file *filp); bool amdgpu_vm_need_pipeline_sync(struct amdgpu_ring *ring, struct amdgpu_job *job); diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c index 2db5c71d696c..12b0c4cd7a5a 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c @@ -814,8 +814,7 @@ static int gmc_v6_0_sw_init(void *handle) if (r) return r; - amdgpu_vm_adjust_size(adev, 64); - adev->vm_manager.fragment_size = 4; + amdgpu_vm_adjust_size(adev, 64, 4); adev->vm_manager.max_pfn = adev->vm_manager.vm_size << 18; adev->mc.mc_mask = 0xffffffffffULL; diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c index 8ffdad954a4a..e42c1ad3af5e 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c @@ -950,8 +950,7 @@ static int gmc_v7_0_sw_init(void *handle) * Currently set to 4GB ((1 << 20) 4k pages). * Max GPUVM size for cayman and SI is 40 bits. */ - amdgpu_vm_adjust_size(adev, 64); - adev->vm_manager.fragment_size = 4; + amdgpu_vm_adjust_size(adev, 64, 4); adev->vm_manager.max_pfn = adev->vm_manager.vm_size << 18; /* Set the internal MC address mask diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c index a13f6617de79..7ca2dae8237a 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c @@ -1048,8 +1048,7 @@ static int gmc_v8_0_sw_init(void *handle) * Currently set to 4GB ((1 << 20) 4k pages). * Max GPUVM size for cayman and SI is 40 bits. */ - amdgpu_vm_adjust_size(adev, 64); - adev->vm_manager.fragment_size = 4; + amdgpu_vm_adjust_size(adev, 64, 4); adev->vm_manager.max_pfn = adev->vm_manager.vm_size << 18; /* Set the internal MC address mask diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c index f721b4f4373e..2769c2b3b56e 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c @@ -541,12 +541,11 @@ static int gmc_v9_0_sw_init(void *handle) adev->vm_manager.vm_size = 1U << 18; adev->vm_manager.block_size = 9; adev->vm_manager.num_level = 3; - adev->vm_manager.fragment_size = 9; + amdgpu_vm_set_fragment_size(adev, 9); } else { - /* vm_size is 64GB for legacy 2-level page support*/ - amdgpu_vm_adjust_size(adev, 64); + /* vm_size is 64GB for legacy 2-level page support */ + amdgpu_vm_adjust_size(adev, 64, 9); adev->vm_manager.num_level = 1; - adev->vm_manager.fragment_size = 9; } break; case CHIP_VEGA10: @@ -560,7 +559,7 @@ static int gmc_v9_0_sw_init(void *handle) adev->vm_manager.vm_size = 1U << 18; adev->vm_manager.block_size = 9; adev->vm_manager.num_level = 3; - adev->vm_manager.fragment_size = 9; + amdgpu_vm_set_fragment_size(adev, 9); break; default: break; |