diff options
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 10 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 5 |
3 files changed, 16 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index baadd009cdca..60b5ae7dac84 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -161,6 +161,7 @@ extern int amdgpu_ras_enable; extern uint amdgpu_ras_mask; extern int amdgpu_async_gfx_ring; extern int amdgpu_mcbp; +extern int amdgpu_discovery; #ifdef CONFIG_DRM_AMDGPU_SI extern int amdgpu_si_support; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 716e35a19d08..107a1950a711 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -2578,6 +2578,14 @@ int amdgpu_device_init(struct amdgpu_device *adev, if (amdgpu_mcbp) DRM_INFO("MCBP is enabled\n"); + if (amdgpu_discovery) { + r = amdgpu_discovery_init(adev); + if (r) { + dev_err(adev->dev, "amdgpu_discovery_init failed\n"); + return r; + } + } + /* early init functions */ r = amdgpu_device_ip_early_init(adev); if (r) @@ -2838,6 +2846,8 @@ void amdgpu_device_fini(struct amdgpu_device *adev) amdgpu_ucode_sysfs_fini(adev); amdgpu_pmu_fini(adev); amdgpu_debugfs_preempt_cleanup(adev); + if (amdgpu_discovery) + amdgpu_discovery_fini(adev); } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index fc92f7106c6d..df1a298b2843 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -138,6 +138,7 @@ uint amdgpu_smu_memory_pool_size = 0; uint amdgpu_dc_feature_mask = 0; int amdgpu_async_gfx_ring = 1; int amdgpu_mcbp = 0; +int amdgpu_discovery = 0; struct amdgpu_mgpu_info mgpu_info = { .mutex = __MUTEX_INITIALIZER(mgpu_info.mutex), @@ -579,6 +580,10 @@ MODULE_PARM_DESC(mcbp, "Enable Mid-command buffer preemption (0 = disabled (default), 1 = enabled)"); module_param_named(mcbp, amdgpu_mcbp, int, 0444); +MODULE_PARM_DESC(discovery, + "Allow driver to discover hardware IPs from IP Discovery table at the top of VRAM"); +module_param_named(discovery, amdgpu_discovery, int, 0444); + #ifdef CONFIG_HSA_AMD /** * DOC: sched_policy (int) |