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

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

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

@@ -22,8 +22,8 @@ struct nvbios_volt {
 	u32 pwm_range;
 };
 
-u16 nvbios_volt_table(struct nvkm_bios *, u8 *ver, u8 *hdr, u8 *cnt, u8 *len);
-u16 nvbios_volt_parse(struct nvkm_bios *, u8 *ver, u8 *hdr, u8 *cnt, u8 *len,
+u32 nvbios_volt_table(struct nvkm_bios *, u8 *ver, u8 *hdr, u8 *cnt, u8 *len);
+u32 nvbios_volt_parse(struct nvkm_bios *, u8 *ver, u8 *hdr, u8 *cnt, u8 *len,
 		      struct nvbios_volt *);
 
 struct nvbios_volt_entry {
@@ -31,7 +31,7 @@ struct nvbios_volt_entry {
 	u8  vid;
 };
 
-u16 nvbios_volt_entry(struct nvkm_bios *, int idx, u8 *ver, u8 *len);
-u16 nvbios_volt_entry_parse(struct nvkm_bios *, int idx, u8 *ver, u8 *len,
+u32 nvbios_volt_entry(struct nvkm_bios *, int idx, u8 *ver, u8 *len);
+u32 nvbios_volt_entry_parse(struct nvkm_bios *, int idx, u8 *ver, u8 *len,
 			    struct nvbios_volt_entry *);
 #endif

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

@@ -25,18 +25,18 @@
 #include <subdev/bios/bit.h>
 #include <subdev/bios/volt.h>
 
-u16
+u32
 nvbios_volt_table(struct nvkm_bios *bios, u8 *ver, u8 *hdr, u8 *cnt, u8 *len)
 {
 	struct bit_entry bit_P;
-	u16 volt = 0x0000;
+	u32 volt = 0;
 
 	if (!bit_entry(bios, 'P', &bit_P)) {
 		if (bit_P.version == 2)
-			volt = nvbios_rd16(bios, bit_P.offset + 0x0c);
+			volt = nvbios_rd32(bios, bit_P.offset + 0x0c);
 		else
 		if (bit_P.version == 1)
-			volt = nvbios_rd16(bios, bit_P.offset + 0x10);
+			volt = nvbios_rd32(bios, bit_P.offset + 0x10);
 
 		if (volt) {
 			*ver = nvbios_rd08(bios, volt + 0);
@@ -62,14 +62,14 @@ nvbios_volt_table(struct nvkm_bios *bios, u8 *ver, u8 *hdr, u8 *cnt, u8 *len)
 		}
 	}
 
-	return 0x0000;
+	return 0;
 }
 
-u16
+u32
 nvbios_volt_parse(struct nvkm_bios *bios, u8 *ver, u8 *hdr, u8 *cnt, u8 *len,
 		  struct nvbios_volt *info)
 {
-	u16 volt = nvbios_volt_table(bios, ver, hdr, cnt, len);
+	u32 volt = nvbios_volt_table(bios, ver, hdr, cnt, len);
 	memset(info, 0x00, sizeof(*info));
 	switch (!!volt * *ver) {
 	case 0x12:
@@ -119,23 +119,23 @@ nvbios_volt_parse(struct nvkm_bios *bios, u8 *ver, u8 *hdr, u8 *cnt, u8 *len,
 	return volt;
 }
 
-u16
+u32
 nvbios_volt_entry(struct nvkm_bios *bios, int idx, u8 *ver, u8 *len)
 {
 	u8  hdr, cnt;
-	u16 volt = nvbios_volt_table(bios, ver, &hdr, &cnt, len);
+	u32 volt = nvbios_volt_table(bios, ver, &hdr, &cnt, len);
 	if (volt && idx < cnt) {
 		volt = volt + hdr + (idx * *len);
 		return volt;
 	}
-	return 0x0000;
+	return 0;
 }
 
-u16
+u32
 nvbios_volt_entry_parse(struct nvkm_bios *bios, int idx, u8 *ver, u8 *len,
 			struct nvbios_volt_entry *info)
 {
-	u16 volt = nvbios_volt_entry(bios, idx, ver, len);
+	u32 volt = nvbios_volt_entry(bios, idx, ver, len);
 	memset(info, 0x00, sizeof(*info));
 	switch (!!volt * *ver) {
 	case 0x12:

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

@@ -189,7 +189,7 @@ nvkm_volt_parse_bios(struct nvkm_bios *bios, struct nvkm_volt *volt)
 	struct nvbios_volt_entry ivid;
 	struct nvbios_volt info;
 	u8  ver, hdr, cnt, len;
-	u16 data;
+	u32 data;
 	int i;
 
 	data = nvbios_volt_parse(bios, &ver, &hdr, &cnt, &len, &info);