X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=kernel%2Fdrivers%2Fgpu%2Fdrm%2Fnouveau%2Fnvkm%2Fsubdev%2Ffb%2Frammcp77.c;h=0a0e44b7557748d8115cd3d24cbb5d22efd54028;hb=e09b41010ba33a20a87472ee821fa407a5b8da36;hp=abc18e89a97c7ddcfe21fc2411a5bd3b32f7cfbb;hpb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;p=kvmfornfv.git

diff --git a/kernel/drivers/gpu/drm/nouveau/nvkm/subdev/fb/rammcp77.c b/kernel/drivers/gpu/drm/nouveau/nvkm/subdev/fb/rammcp77.c
index abc18e89a..0a0e44b75 100644
--- a/kernel/drivers/gpu/drm/nouveau/nvkm/subdev/fb/rammcp77.c
+++ b/kernel/drivers/gpu/drm/nouveau/nvkm/subdev/fb/rammcp77.c
@@ -21,81 +21,67 @@
  *
  * Authors: Ben Skeggs
  */
-#include "nv50.h"
+#define mcp77_ram(p) container_of((p), struct mcp77_ram, base)
+#include "ram.h"
 
-struct mcp77_ram_priv {
+struct mcp77_ram {
 	struct nvkm_ram base;
 	u64 poller_base;
 };
 
 static int
-mcp77_ram_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
-	       struct nvkm_oclass *oclass, void *data, u32 datasize,
-	       struct nvkm_object **pobject)
+mcp77_ram_init(struct nvkm_ram *base)
 {
-	u32 rsvd_head = ( 256 * 1024); /* vga memory */
-	u32 rsvd_tail = (1024 * 1024); /* vbios etc */
-	struct nvkm_fb *pfb = nvkm_fb(parent);
-	struct mcp77_ram_priv *priv;
-	int ret;
-
-	ret = nvkm_ram_create(parent, engine, oclass, &priv);
-	*pobject = nv_object(priv);
-	if (ret)
-		return ret;
-
-	priv->base.type   = NV_MEM_TYPE_STOLEN;
-	priv->base.stolen = (u64)nv_rd32(pfb, 0x100e10) << 12;
-	priv->base.size   = (u64)nv_rd32(pfb, 0x100e14) << 12;
+	struct mcp77_ram *ram = mcp77_ram(base);
+	struct nvkm_device *device = ram->base.fb->subdev.device;
+	u32 dniso  = ((ram->base.size - (ram->poller_base + 0x00)) >> 5) - 1;
+	u32 hostnb = ((ram->base.size - (ram->poller_base + 0x20)) >> 5) - 1;
+	u32 flush  = ((ram->base.size - (ram->poller_base + 0x40)) >> 5) - 1;
 
-	rsvd_tail += 0x1000;
-	priv->poller_base = priv->base.size - rsvd_tail;
-
-	ret = nvkm_mm_init(&pfb->vram, rsvd_head >> 12,
-			   (priv->base.size  - (rsvd_head + rsvd_tail)) >> 12,
-			   1);
-	if (ret)
-		return ret;
-
-	priv->base.get = nv50_ram_get;
-	priv->base.put = nv50_ram_put;
+	/* Enable NISO poller for various clients and set their associated
+	 * read address, only for MCP77/78 and MCP79/7A. (fd#25701)
+	 */
+	nvkm_wr32(device, 0x100c18, dniso);
+	nvkm_mask(device, 0x100c14, 0x00000000, 0x00000001);
+	nvkm_wr32(device, 0x100c1c, hostnb);
+	nvkm_mask(device, 0x100c14, 0x00000000, 0x00000002);
+	nvkm_wr32(device, 0x100c24, flush);
+	nvkm_mask(device, 0x100c14, 0x00000000, 0x00010000);
 	return 0;
 }
 
-static int
-mcp77_ram_init(struct nvkm_object *object)
+static const struct nvkm_ram_func
+mcp77_ram_func = {
+	.init = mcp77_ram_init,
+	.get = nv50_ram_get,
+	.put = nv50_ram_put,
+};
+
+int
+mcp77_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram)
 {
-	struct nvkm_fb *pfb = nvkm_fb(object);
-	struct mcp77_ram_priv *priv = (void *)object;
+	struct nvkm_device *device = fb->subdev.device;
+	u32 rsvd_head = ( 256 * 1024); /* vga memory */
+	u32 rsvd_tail = (1024 * 1024) + 0x1000; /* vbios etc + poller mem */
+	u64 base = (u64)nvkm_rd32(device, 0x100e10) << 12;
+	u64 size = (u64)nvkm_rd32(device, 0x100e14) << 12;
+	struct mcp77_ram *ram;
 	int ret;
-	u64 dniso, hostnb, flush;
 
-	ret = nvkm_ram_init(&priv->base);
+	if (!(ram = kzalloc(sizeof(*ram), GFP_KERNEL)))
+		return -ENOMEM;
+	*pram = &ram->base;
+
+	ret = nvkm_ram_ctor(&mcp77_ram_func, fb, NVKM_RAM_TYPE_STOLEN,
+			    size, 0, &ram->base);
 	if (ret)
 		return ret;
 
-	dniso  = ((priv->base.size - (priv->poller_base + 0x00)) >> 5) - 1;
-	hostnb = ((priv->base.size - (priv->poller_base + 0x20)) >> 5) - 1;
-	flush  = ((priv->base.size - (priv->poller_base + 0x40)) >> 5) - 1;
+	ram->poller_base = size - rsvd_tail;
+	ram->base.stolen = base;
+	nvkm_mm_fini(&ram->base.vram);
 
-	/* Enable NISO poller for various clients and set their associated
-	 * read address, only for MCP77/78 and MCP79/7A. (fd#25701)
-	 */
-	nv_wr32(pfb, 0x100c18, dniso);
-	nv_mask(pfb, 0x100c14, 0x00000000, 0x00000001);
-	nv_wr32(pfb, 0x100c1c, hostnb);
-	nv_mask(pfb, 0x100c14, 0x00000000, 0x00000002);
-	nv_wr32(pfb, 0x100c24, flush);
-	nv_mask(pfb, 0x100c14, 0x00000000, 0x00010000);
-	return 0;
+	return nvkm_mm_init(&ram->base.vram, rsvd_head >> NVKM_RAM_MM_SHIFT,
+			    (size - rsvd_head - rsvd_tail) >>
+			    NVKM_RAM_MM_SHIFT, 1);
 }
-
-struct nvkm_oclass
-mcp77_ram_oclass = {
-	.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = mcp77_ram_ctor,
-		.dtor = _nvkm_ram_dtor,
-		.init = mcp77_ram_init,
-		.fini = _nvkm_ram_fini,
-	},
-};