1 files changed, 46 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3973-drm-amdgpu-add-df-callback-functions-structure.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3973-drm-amdgpu-add-df-callback-functions-structure.patch
new file mode 100644
index 00000000..a52ec3ce
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3973-drm-amdgpu-add-df-callback-functions-structure.patch
@@ -0,0 +1,46 @@
+From 8bf594b6bb5439810f565c8b972b1b2356d0fd31 Mon Sep 17 00:00:00 2001
+From: Hawking Zhang <Hawking.Zhang@amd.com>
+Date: Fri, 23 Mar 2018 11:37:25 +0800
+Subject: [PATCH 3973/4131] drm/amdgpu: add df callback functions structure
+
+Change-Id: I309e293909f4269a4d6d1f75bacd074429f56b95
+Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
+Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
+---
+ drivers/gpu/drm/amd/amdgpu/amdgpu.h | 13 ++++++++++++-
+ 1 file changed, 12 insertions(+), 1 deletion(-)
+
+diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+index 0d9c5dd..54c8137 100644
+--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+@@ -1426,7 +1426,17 @@ struct amdgpu_nbio_funcs {
+ 	void (*detect_hw_virt)(struct amdgpu_device *adev);
+ };
+ 
+-
++struct amdgpu_df_funcs {
++	void (*init)(struct amdgpu_device *adev);
++	void (*enable_broadcast_mode)(struct amdgpu_device *adev,
++				      bool enable);
++	u32 (*get_fb_channel_number)(struct amdgpu_device *adev);
++	u32 (*get_hbm_channel_number)(struct amdgpu_device *adev);
++	void (*update_medium_grain_clock_gating)(struct amdgpu_device *adev,
++						 bool enable);
++	void (*get_clockgating_state)(struct amdgpu_device *adev,
++				      u32 *flags);
++};
+ /* Define the HW IP blocks will be used in driver , add more if necessary */
+ enum amd_hw_ip_block_type {
+ 	GC_HWIP = 1,
+@@ -1649,6 +1659,7 @@ struct amdgpu_device {
+ 	uint32_t 		*reg_offset[MAX_HWIP][HWIP_MAX_INSTANCE];
+ 
+ 	const struct amdgpu_nbio_funcs	*nbio_funcs;
++	const struct amdgpu_df_funcs	*df_funcs;
+ 
+ 	/* delayed work_func for deferring clockgating during resume */
+ 	struct delayed_work     late_init_work;
+-- 
+2.7.4
+