From: Ben Skeggs <bskeggs@redhat.com>
Date: Thu, 20 Aug 2015 04:54:17 +0000 (+1000)
Subject: drm/nouveau/xtensa: directly use instmem for ucode image
X-Git-Tag: firefly_0821_release~176^2~1083^2^2~77
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=faf468981e3a50ce088460595bd10812af9be7f8;p=firefly-linux-kernel-4.4.55.git

drm/nouveau/xtensa: directly use instmem for ucode image

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---

diff --git a/drivers/gpu/drm/nouveau/include/nvkm/engine/xtensa.h b/drivers/gpu/drm/nouveau/include/nvkm/engine/xtensa.h
index 5bd4b6e59584..b05babfe0ca4 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/engine/xtensa.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/engine/xtensa.h
@@ -1,13 +1,12 @@
 #ifndef __NVKM_XTENSA_H__
 #define __NVKM_XTENSA_H__
 #include <core/engine.h>
-struct nvkm_gpuobj;
 
 struct nvkm_xtensa {
 	struct nvkm_engine engine;
 
 	u32 addr;
-	struct nvkm_gpuobj *gpu_fw;
+	struct nvkm_memory *gpu_fw;
 	u32 fifo_val;
 	u32 unkd28;
 };
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/xtensa.c b/drivers/gpu/drm/nouveau/nvkm/engine/xtensa.c
index 45dd8b8da4c9..6ffc6c4315b6 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/xtensa.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/xtensa.c
@@ -88,6 +88,7 @@ _nvkm_xtensa_init(struct nvkm_object *object)
 	const struct firmware *fw;
 	char name[32];
 	int i, ret;
+	u64 addr, size;
 	u32 tmp;
 
 	ret = nvkm_engine_init_old(&xtensa->engine);
@@ -110,16 +111,14 @@ _nvkm_xtensa_init(struct nvkm_object *object)
 			return -EINVAL;
 		}
 
-		ret = nvkm_gpuobj_new(object, NULL, 0x40000, 0x1000, 0,
+		ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST,
+				      0x40000, 0x1000, false,
 				      &xtensa->gpu_fw);
 		if (ret) {
 			release_firmware(fw);
 			return ret;
 		}
 
-		nvkm_debug(subdev, "Loading firmware to address: %010llx\n",
-			   xtensa->gpu_fw->addr);
-
 		nvkm_kmap(xtensa->gpu_fw);
 		for (i = 0; i < fw->size / 4; i++)
 			nvkm_wo32(xtensa->gpu_fw, i * 4, *((u32 *)fw->data + i));
@@ -127,6 +126,9 @@ _nvkm_xtensa_init(struct nvkm_object *object)
 		release_firmware(fw);
 	}
 
+	addr = nvkm_memory_addr(xtensa->gpu_fw);
+	size = nvkm_memory_size(xtensa->gpu_fw);
+
 	nvkm_wr32(device, base + 0xd10, 0x1fffffff); /* ?? */
 	nvkm_wr32(device, base + 0xd08, 0x0fffffff); /* ?? */
 
@@ -134,9 +136,9 @@ _nvkm_xtensa_init(struct nvkm_object *object)
 	nvkm_wr32(device, base + 0xc20, 0x3f); /* INTR */
 	nvkm_wr32(device, base + 0xd84, 0x3f); /* INTR_EN */
 
-	nvkm_wr32(device, base + 0xcc0, xtensa->gpu_fw->addr >> 8); /* XT_REGION_BASE */
+	nvkm_wr32(device, base + 0xcc0, addr >> 8); /* XT_REGION_BASE */
 	nvkm_wr32(device, base + 0xcc4, 0x1c); /* XT_REGION_SETUP */
-	nvkm_wr32(device, base + 0xcc8, xtensa->gpu_fw->size >> 8); /* XT_REGION_LIMIT */
+	nvkm_wr32(device, base + 0xcc8, size >> 8); /* XT_REGION_LIMIT */
 
 	tmp = nvkm_rd32(device, 0x0);
 	nvkm_wr32(device, base + 0xde0, tmp); /* SCRATCH_H2X */
@@ -159,7 +161,7 @@ _nvkm_xtensa_fini(struct nvkm_object *object, bool suspend)
 	nvkm_wr32(device, base + 0xd94, 0); /* FIFO_CTRL */
 
 	if (!suspend)
-		nvkm_gpuobj_ref(NULL, &xtensa->gpu_fw);
+		nvkm_memory_del(&xtensa->gpu_fw);
 
 	return nvkm_engine_fini_old(&xtensa->engine, suspend);
 }