drm/nouveau/bios/cstep: pointers are 32-bit

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

drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/cstep.h

 #ifndef __NVBIOS_CSTEP_H__
 #define __NVBIOS_CSTEP_H__
-u16 nvbios_cstepTe(struct nvkm_bios *,
+u32 nvbios_cstepTe(struct nvkm_bios *,
 		   u8 *ver, u8 *hdr, u8 *cnt, u8 *len, u8 *xnr, u8 *xsz);
 
 struct nvbios_cstepE {
@@ -8,10 +8,10 @@ struct nvbios_cstepE {
 	u8  index;
 };
 
-u16 nvbios_cstepEe(struct nvkm_bios *, int idx, u8 *ver, u8 *hdr);
-u16 nvbios_cstepEp(struct nvkm_bios *, int idx, u8 *ver, u8 *hdr,
+u32 nvbios_cstepEe(struct nvkm_bios *, int idx, u8 *ver, u8 *hdr);
+u32 nvbios_cstepEp(struct nvkm_bios *, int idx, u8 *ver, u8 *hdr,
 		   struct nvbios_cstepE *);
-u16 nvbios_cstepEm(struct nvkm_bios *, u8 pstate, u8 *ver, u8 *hdr,
+u32 nvbios_cstepEm(struct nvkm_bios *, u8 pstate, u8 *ver, u8 *hdr,
 		   struct nvbios_cstepE *);
 
 struct nvbios_cstepX {
@@ -20,7 +20,7 @@ struct nvbios_cstepX {
 	u8  voltage;
 };
 
-u16 nvbios_cstepXe(struct nvkm_bios *, int idx, u8 *ver, u8 *hdr);
-u16 nvbios_cstepXp(struct nvkm_bios *, int idx, u8 *ver, u8 *hdr,
+u32 nvbios_cstepXe(struct nvkm_bios *, int idx, u8 *ver, u8 *hdr);
+u32 nvbios_cstepXp(struct nvkm_bios *, int idx, u8 *ver, u8 *hdr,
 		   struct nvbios_cstepX *);
 #endif

drivers/gpu/drm/nouveau/nvkm/subdev/bios/cstep.c

@@ -25,16 +25,16 @@
 #include <subdev/bios/bit.h>
 #include <subdev/bios/cstep.h>
 
-u16
+u32
 nvbios_cstepTe(struct nvkm_bios *bios,
 	       u8 *ver, u8 *hdr, u8 *cnt, u8 *len, u8 *xnr, u8 *xsz)
 {
 	struct bit_entry bit_P;
-	u16 cstep = 0x0000;
+	u32 cstep = 0;
 
 	if (!bit_entry(bios, 'P', &bit_P)) {
 		if (bit_P.version == 2)
-			cstep = nvbios_rd16(bios, bit_P.offset + 0x34);
+			cstep = nvbios_rd32(bios, bit_P.offset + 0x34);
 
 		if (cstep) {
 			*ver = nvbios_rd08(bios, cstep + 0);
@@ -52,27 +52,27 @@ nvbios_cstepTe(struct nvkm_bios *bios,
 		}
 	}
 
-	return 0x0000;
+	return 0;
 }
 
-u16
+u32
 nvbios_cstepEe(struct nvkm_bios *bios, int idx, u8 *ver, u8 *hdr)
 {
 	u8  cnt, len, xnr, xsz;
-	u16 data = nvbios_cstepTe(bios, ver, hdr, &cnt, &len, &xnr, &xsz);
+	u32 data = nvbios_cstepTe(bios, ver, hdr, &cnt, &len, &xnr, &xsz);
 	if (data && idx < cnt) {
 		data = data + *hdr + (idx * len);
 		*hdr = len;
 		return data;
 	}
-	return 0x0000;
+	return 0;
 }
 
-u16
+u32
 nvbios_cstepEp(struct nvkm_bios *bios, int idx, u8 *ver, u8 *hdr,
 	       struct nvbios_cstepE *info)
 {
-	u16 data = nvbios_cstepEe(bios, idx, ver, hdr);
+	u32 data = nvbios_cstepEe(bios, idx, ver, hdr);
 	memset(info, 0x00, sizeof(*info));
 	if (data) {
 		info->pstate = (nvbios_rd16(bios, data + 0x00) & 0x01e0) >> 5;
@@ -81,7 +81,7 @@ nvbios_cstepEp(struct nvkm_bios *bios, int idx, u8 *ver, u8 *hdr,
 	return data;
 }
 
-u16
+u32
 nvbios_cstepEm(struct nvkm_bios *bios, u8 pstate, u8 *ver, u8 *hdr,
 	       struct nvbios_cstepE *info)
 {
@@ -93,24 +93,24 @@ nvbios_cstepEm(struct nvkm_bios *bios, u8 pstate, u8 *ver, u8 *hdr,
 	return data;
 }
 
-u16
+u32
 nvbios_cstepXe(struct nvkm_bios *bios, int idx, u8 *ver, u8 *hdr)
 {
 	u8  cnt, len, xnr, xsz;
-	u16 data = nvbios_cstepTe(bios, ver, hdr, &cnt, &len, &xnr, &xsz);
+	u32 data = nvbios_cstepTe(bios, ver, hdr, &cnt, &len, &xnr, &xsz);
 	if (data && idx < xnr) {
 		data = data + *hdr + (cnt * len) + (idx * xsz);
 		*hdr = xsz;
 		return data;
 	}
-	return 0x0000;
+	return 0;
 }
 
-u16
+u32
 nvbios_cstepXp(struct nvkm_bios *bios, int idx, u8 *ver, u8 *hdr,
 	       struct nvbios_cstepX *info)
 {
-	u16 data = nvbios_cstepXe(bios, idx, ver, hdr);
+	u32 data = nvbios_cstepXe(bios, idx, ver, hdr);
 	memset(info, 0x00, sizeof(*info));
 	if (data) {
 		info->freq    = nvbios_rd16(bios, data + 0x00) * 1000;

drivers/gpu/drm/nouveau/nvkm/subdev/clk/base.c

@@ -229,7 +229,7 @@ nvkm_cstate_new(struct nvkm_clk *clk, int idx, struct nvkm_pstate *pstate)
 	struct nvkm_cstate *cstate = NULL;
 	struct nvbios_cstepX cstepX;
 	u8  ver, hdr;
-	u16 data;
+	u32 data;
 
 	data = nvbios_cstepXp(bios, idx, &ver, &hdr, &cstepX);
 	if (!data)
@@ -408,7 +408,7 @@ nvkm_pstate_new(struct nvkm_clk *clk, int idx)
 	struct nvbios_cstepE cstepE;
 	struct nvbios_perfE perfE;
 	u8  ver, hdr, cnt, len;
-	u16 data;
+	u32 data;
 
 	data = nvbios_perfEp(bios, idx, &ver, &hdr, &cnt, &len, &perfE);
 	if (!data)