1 files changed, 72 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/files/0240-drm-amdgpu-add-ce_ram_size-for-interface-query.patch b/common/recipes-kernel/linux/files/0240-drm-amdgpu-add-ce_ram_size-for-interface-query.patch
new file mode 100644
index 00000000..6a277156
--- /dev/null
+++ b/common/recipes-kernel/linux/files/0240-drm-amdgpu-add-ce_ram_size-for-interface-query.patch
@@ -0,0 +1,72 @@
+From a101a8995ab8072125d0bb4d95425c9fb37ff809 Mon Sep 17 00:00:00 2001
+From: Ken Wang <Qingqing.Wang@amd.com>
+Date: Wed, 3 Jun 2015 17:47:54 +0800
+Subject: [PATCH 0240/1050] drm/amdgpu add ce_ram_size for interface query
+
+Add a query for the CE ram size.  User mode drivers
+will want to use this to determine how much size
+of the cache on the CE.
+
+Signed-off-by: Ken Wang <Qingqing.Wang@amd.com>
+Reviewd-by: Jammy Zhou <Jammy.Zhou@amd.com>
+---
+ drivers/gpu/drm/amd/amdgpu/amdgpu.h     | 2 ++
+ drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | 1 +
+ drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c   | 2 ++
+ drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c   | 2 ++
+ 4 files changed, 7 insertions(+)
+
+diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+index 4300e3d..6c99b75 100644
+--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+@@ -1136,6 +1136,8 @@ struct amdgpu_gfx {
+ 	uint32_t gfx_current_status;
+ 	/* sync signal for const engine */
+ 	unsigned ce_sync_offs;
++	/* ce ram size*/
++	unsigned ce_ram_size;
+ };
+ 
+ int amdgpu_ib_get(struct amdgpu_ring *ring, struct amdgpu_vm *vm,
+diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+index 3c182b6..9ede244 100644
+--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+@@ -441,6 +441,7 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file
+ 		amdgpu_asic_get_cu_info(adev, &cu_info);
+ 		dev_info.cu_active_number = cu_info.number;
+ 		dev_info.cu_ao_mask = cu_info.ao_cu_mask;
++		dev_info.ce_ram_size = adev->gfx.ce_ram_size;
+ 		memcpy(&dev_info.cu_bitmap[0], &cu_info.bitmap[0], sizeof(cu_info.bitmap));
+ 
+ 		return copy_to_user(out, &dev_info,
+diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
+index ed2f35d..faa39b38 100644
+--- a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
++++ b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
+@@ -4820,6 +4820,8 @@ static int gfx_v7_0_hw_init(void *handle)
+ 	if (r)
+ 		return r;
+ 
++	adev->gfx.ce_ram_size = 0x8000;
++
+ 	return r;
+ }
+ 
+diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+index ffdba19..1895de4 100644
+--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
++++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+@@ -895,6 +895,8 @@ static int gfx_v8_0_sw_init(void *handle)
+ 	if (r)
+ 		return r;
+ 
++	adev->gfx.ce_ram_size = 0x8000;
++
+ 	return 0;
+ }
+ 
+-- 
+1.9.1
+