Change-Id: I70e4ea94b8520e19cfee5ba6c9a0ecf1ee3f5f1a
Signed-off-by: Roger He <Hongbo.He at amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu.h | 1 +
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 6 ++++++
drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 4 ++++
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 25 +++++++++++++++++++++----
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h | 5 ++++-
drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c | 3 +--
drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c | 3 +--
drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c | 3 +--
drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 9 ++++-----
9 files changed, 43 insertions(+), 16 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index d2aaad7..957bd2b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -97,6 +97,7 @@ 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 dd1dc87..9da391f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -1077,6 +1077,12 @@ 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 > 9 || amdgpu_vm_fragment_size < 4) {
+ dev_warn(adev->dev, "valid rang 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 2cdf844..d5c63d6 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;
@@ -184,6 +185,9 @@ 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 4ad04cd..b72d547 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -2417,12 +2417,26 @@ 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)
@@ -2437,8 +2451,11 @@ 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 d426384..10bac33 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
@@ -262,7 +262,10 @@ 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 dcb053f..6e68579 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 2ac9afa..f6acf5a 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 27c70d8..cb224d5 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 f721b4f..2769c2b 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;
--
2.7.4
