drm/amdgpu: enable IP discovery by default on navi

Use the IP discovery table rather than hardcoding the
settings in the driver.

Reviewed-by: Xiaojie Yuan <xiaojie.yuan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index 1b0613c7cf9564d3694a88f5e7e0d830a3bc4188..ca7543e6aef84c17e4b9500e0379084c86576d4c 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -140,7 +140,7 @@ 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;
+int amdgpu_discovery = -1;
 int amdgpu_mes = 0;
 
 struct amdgpu_mgpu_info mgpu_info = {
@@ -593,6 +593,7 @@ module_param_named(mcbp, amdgpu_mcbp, int, 0444);
 /**
  * DOC: discovery (int)
  * Allow driver to discover hardware IP information from IP Discovery table at the top of VRAM.
+ * (-1 = auto (default), 0 = disabled, 1 = enabled)
  */
 MODULE_PARM_DESC(discovery,
        "Allow driver to discover hardware IPs from IP Discovery table at the top of VRAM");