From: Ben Skeggs <bskeggs@redhat.com>
Date: Fri, 18 Nov 2016 01:14:23 +0000 (+1000)
Subject: drm/nouveau/bios/perf: pointers are 32-bit
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=8f6a5ab9b1f7fce0c3dc8e6bf24ee8bd10de6e26;p=linux-beck.git

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

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

diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/perf.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/perf.h
index d3bd250103d5..478b1c0d2089 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/perf.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/perf.h
@@ -1,6 +1,6 @@
 #ifndef __NVBIOS_PERF_H__
 #define __NVBIOS_PERF_H__
-u16 nvbios_perf_table(struct nvkm_bios *, u8 *ver, u8 *hdr,
+u32 nvbios_perf_table(struct nvkm_bios *, u8 *ver, u8 *hdr,
 		      u8 *cnt, u8 *len, u8 *snr, u8 *ssz);
 
 struct nvbios_perfE {
@@ -17,9 +17,9 @@ struct nvbios_perfE {
 	u8  pcie_width;
 };
 
-u16 nvbios_perf_entry(struct nvkm_bios *, int idx,
+u32 nvbios_perf_entry(struct nvkm_bios *, int idx,
 		      u8 *ver, u8 *hdr, u8 *cnt, u8 *len);
-u16 nvbios_perfEp(struct nvkm_bios *, int idx,
+u32 nvbios_perfEp(struct nvkm_bios *, int idx,
 		  u8 *ver, u8 *hdr, u8 *cnt, u8 *len, struct nvbios_perfE *);
 
 struct nvbios_perfS {
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/perf.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/perf.c
index 636bfb665bb9..c3068358f695 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/perf.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/perf.c
@@ -26,16 +26,16 @@
 #include <subdev/bios/perf.h>
 #include <subdev/pci.h>
 
-u16
+u32
 nvbios_perf_table(struct nvkm_bios *bios, u8 *ver, u8 *hdr,
 		  u8 *cnt, u8 *len, u8 *snr, u8 *ssz)
 {
 	struct bit_entry bit_P;
-	u16 perf = 0x0000;
+	u32 perf = 0;
 
 	if (!bit_entry(bios, 'P', &bit_P)) {
 		if (bit_P.version <= 2) {
-			perf = nvbios_rd16(bios, bit_P.offset + 0);
+			perf = nvbios_rd32(bios, bit_P.offset + 0);
 			if (perf) {
 				*ver = nvbios_rd08(bios, perf + 0);
 				*hdr = nvbios_rd08(bios, perf + 1);
@@ -72,15 +72,15 @@ nvbios_perf_table(struct nvkm_bios *bios, u8 *ver, u8 *hdr,
 		}
 	}
 
-	return 0x0000;
+	return 0;
 }
 
-u16
+u32
 nvbios_perf_entry(struct nvkm_bios *bios, int idx,
 		  u8 *ver, u8 *hdr, u8 *cnt, u8 *len)
 {
 	u8  snr, ssz;
-	u16 perf = nvbios_perf_table(bios, ver, hdr, cnt, len, &snr, &ssz);
+	u32 perf = nvbios_perf_table(bios, ver, hdr, cnt, len, &snr, &ssz);
 	if (perf && idx < *cnt) {
 		perf = perf + *hdr + (idx * (*len + (snr * ssz)));
 		*hdr = *len;
@@ -88,14 +88,14 @@ nvbios_perf_entry(struct nvkm_bios *bios, int idx,
 		*len = ssz;
 		return perf;
 	}
-	return 0x0000;
+	return 0;
 }
 
-u16
+u32
 nvbios_perfEp(struct nvkm_bios *bios, int idx,
 	      u8 *ver, u8 *hdr, u8 *cnt, u8 *len, struct nvbios_perfE *info)
 {
-	u16 perf = nvbios_perf_entry(bios, idx, ver, hdr, cnt, len);
+	u32 perf = nvbios_perf_entry(bios, idx, ver, hdr, cnt, len);
 	memset(info, 0x00, sizeof(*info));
 	info->pstate = nvbios_rd08(bios, perf + 0x00);
 	switch (!!perf * *ver) {
@@ -163,7 +163,7 @@ nvbios_perfEp(struct nvkm_bios *bios, int idx,
 		info->pcie_width = 0xff;
 		break;
 	default:
-		return 0x0000;
+		return 0;
 	}
 	return perf;
 }
@@ -202,7 +202,7 @@ nvbios_perf_fan_parse(struct nvkm_bios *bios,
 		      struct nvbios_perf_fan *fan)
 {
 	u8  ver, hdr, cnt, len, snr, ssz;
-	u16 perf = nvbios_perf_table(bios, &ver, &hdr, &cnt, &len, &snr, &ssz);
+	u32 perf = nvbios_perf_table(bios, &ver, &hdr, &cnt, &len, &snr, &ssz);
 	if (!perf)
 		return -ENODEV;
 
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gm200.c b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gm200.c
index 42d94731655a..1730371933df 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gm200.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gm200.c
@@ -130,6 +130,7 @@ gm200_devinit_post(struct nvkm_devinit *base, bool post)
 
 	/* upload first chunk of init data */
 	if (post) {
+		// devinit tables
 		u32 pmu = pmu_args(init, args + 0x08, 0x08);
 		u32 img = nvbios_rd16(bios, bit_I.offset + 0x14);
 		u32 len = nvbios_rd16(bios, bit_I.offset + 0x16);
@@ -138,6 +139,7 @@ gm200_devinit_post(struct nvkm_devinit *base, bool post)
 
 	/* upload second chunk of init data */
 	if (post) {
+		// devinit boot scripts
 		u32 pmu = pmu_args(init, args + 0x08, 0x10);
 		u32 img = nvbios_rd16(bios, bit_I.offset + 0x18);
 		u32 len = nvbios_rd16(bios, bit_I.offset + 0x1a);