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authorRex Zhu <Rex.Zhu@amd.com>2018-04-13 16:13:41 +0800
committerAlex Deucher <alexander.deucher@amd.com>2018-05-15 13:43:28 -0500
commit7951e376704773134cefcf0751e9042368226f15 (patch)
tree70cf09609d0b924450068df0a2e5e6c83330a56e /drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
parent3216c6b71d1e6a7dce2fd29c531e8c99c1b88c95 (diff)
downloadop-kernel-dev-7951e376704773134cefcf0751e9042368226f15.zip
op-kernel-dev-7951e376704773134cefcf0751e9042368226f15.tar.gz
drm/amdgpu: Reserved vram for smu to save debug info.
v2: check reserved vram size before allocate. Reviewed-by: Evan Quan <evan.quan@amd.com> Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index 0b19482..5c0567a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -132,6 +132,7 @@ int amdgpu_lbpw = -1;
int amdgpu_compute_multipipe = -1;
int amdgpu_gpu_recovery = -1; /* auto */
int amdgpu_emu_mode = 0;
+uint amdgpu_smu_memory_pool_size = 0;
MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing, in megabytes");
module_param_named(vramlimit, amdgpu_vram_limit, int, 0600);
@@ -316,6 +317,11 @@ MODULE_PARM_DESC(cik_support, "CIK support (1 = enabled (default), 0 = disabled)
module_param_named(cik_support, amdgpu_cik_support, int, 0444);
#endif
+MODULE_PARM_DESC(smu_memory_pool_size,
+ "reserve gtt for smu debug usage, 0 = disable,"
+ "0x1 = 256Mbyte, 0x2 = 512Mbyte, 0x4 = 1 Gbyte, 0x8 = 2GByte");
+module_param_named(smu_memory_pool_size, amdgpu_smu_memory_pool_size, uint, 0444);
+
static const struct pci_device_id pciidlist[] = {
#ifdef CONFIG_DRM_AMDGPU_SI
{0x1002, 0x6780, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI},
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