1 files changed, 38 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2844-drm-amdgpu-enable-IP-discovery-by-default-on-navi.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2844-drm-amdgpu-enable-IP-discovery-by-default-on-navi.patch
new file mode 100644
index 00000000..e4b74215
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2844-drm-amdgpu-enable-IP-discovery-by-default-on-navi.patch
@@ -0,0 +1,38 @@
+From c75d8b82117e25250a1cf0014ed7c1944bf45f37 Mon Sep 17 00:00:00 2001
+From: Alex Deucher <alexander.deucher@amd.com>
+Date: Mon, 8 Jul 2019 13:47:12 -0500
+Subject: [PATCH 2844/2940] 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>
+---
+ drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+index 8001120e6b79..459342449a3b 100644
+--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+@@ -143,7 +143,7 @@ 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 = {
+@@ -604,6 +604,7 @@ 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,
+-- 
+2.17.1
+