[PATCH 022/156] drm/nouveau/nvkm: remove detect/mmio/subdev_mask from device args

Ben Skeggs bskeggs at nvidia.com
Tue Apr 16 23:37:48 UTC 2024


- now unused

Signed-off-by: Ben Skeggs <bskeggs at nvidia.com>
---
 .../gpu/drm/nouveau/include/nvkm/core/pci.h   |   1 -
 .../gpu/drm/nouveau/include/nvkm/core/tegra.h |   1 -
 drivers/gpu/drm/nouveau/nouveau_drm.c         |   6 +-
 .../gpu/drm/nouveau/nvkm/engine/device/base.c | 422 +++++++++---------
 .../gpu/drm/nouveau/nvkm/engine/device/pci.c  |   4 +-
 .../gpu/drm/nouveau/nvkm/engine/device/priv.h |   1 -
 .../drm/nouveau/nvkm/engine/device/tegra.c    |   5 +-
 7 files changed, 209 insertions(+), 231 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/pci.h b/drivers/gpu/drm/nouveau/include/nvkm/core/pci.h
index b4b5df3e1610..7444c4d59e09 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/core/pci.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/core/pci.h
@@ -10,6 +10,5 @@ struct nvkm_device_pci {
 };
 
 int nvkm_device_pci_new(struct pci_dev *, const char *cfg, const char *dbg,
-			bool detect, bool mmio, u64 subdev_mask,
 			struct nvkm_device **);
 #endif
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/tegra.h b/drivers/gpu/drm/nouveau/include/nvkm/core/tegra.h
index ccee53d4e4ec..22f74fc88cd7 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/core/tegra.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/core/tegra.h
@@ -51,6 +51,5 @@ struct nvkm_device_tegra_func {
 int nvkm_device_tegra_new(const struct nvkm_device_tegra_func *,
 			  struct platform_device *,
 			  const char *cfg, const char *dbg,
-			  bool detect, bool mmio, u64 subdev_mask,
 			  struct nvkm_device **);
 #endif
diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c
index 92b347b79919..33883c4e8221 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_drm.c
@@ -831,8 +831,7 @@ static int nouveau_drm_probe(struct pci_dev *pdev,
 	/* We need to check that the chipset is supported before booting
 	 * fbdev off the hardware, as there's no way to put it back.
 	 */
-	ret = nvkm_device_pci_new(pdev, nouveau_config, nouveau_debug,
-				  true, true, ~0ULL, &device);
+	ret = nvkm_device_pci_new(pdev, nouveau_config, nouveau_debug, &device);
 	if (ret)
 		return ret;
 
@@ -1389,8 +1388,7 @@ nouveau_platform_device_create(const struct nvkm_device_tegra_func *func,
 	struct drm_device *drm;
 	int err;
 
-	err = nvkm_device_tegra_new(func, pdev, nouveau_config, nouveau_debug,
-				    true, true, ~0ULL, pdevice);
+	err = nvkm_device_tegra_new(func, pdev, nouveau_config, nouveau_debug, pdevice);
 	if (err)
 		goto err_free;
 
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c b/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c
index 31ed3da32fe7..006f01e93b9b 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c
@@ -67,12 +67,6 @@ nvkm_device_list(u64 *name, int size)
 	return nr;
 }
 
-static const struct nvkm_device_chip
-null_chipset = {
-	.name = "NULL",
-	.bios     = { 0x00000001, nvkm_bios_new },
-};
-
 static const struct nvkm_device_chip
 nv4_chipset = {
 	.name = "NV04",
@@ -3104,7 +3098,6 @@ nvkm_device_ctor(const struct nvkm_device_func *func,
 		 const struct nvkm_device_quirk *quirk,
 		 struct device *dev, enum nvkm_device_type type, u64 handle,
 		 const char *name, const char *cfg, const char *dbg,
-		 bool detect, bool mmio, u64 subdev_mask,
 		 struct nvkm_device *device)
 {
 	struct nvkm_subdev *subdev;
@@ -3132,233 +3125,228 @@ nvkm_device_ctor(const struct nvkm_device_func *func,
 	mmio_base = device->func->resource_addr(device, 0);
 	mmio_size = device->func->resource_size(device, 0);
 
-	if (detect || mmio) {
-		device->pri = ioremap(mmio_base, mmio_size);
-		if (device->pri == NULL) {
-			nvdev_error(device, "unable to map PRI\n");
-			ret = -ENOMEM;
-			goto done;
-		}
+	device->pri = ioremap(mmio_base, mmio_size);
+	if (device->pri == NULL) {
+		nvdev_error(device, "unable to map PRI\n");
+		ret = -ENOMEM;
+		goto done;
 	}
 
 	/* identify the chipset, and determine classes of subdev/engines */
-	if (detect) {
-		/* switch mmio to cpu's native endianness */
-		if (!nvkm_device_endianness(device)) {
-			nvdev_error(device,
-				    "Couldn't switch GPU to CPUs endianness\n");
-			ret = -ENOSYS;
-			goto done;
-		}
 
-		boot0 = nvkm_rd32(device, 0x000000);
-
-		/* chipset can be overridden for devel/testing purposes */
-		chipset = nvkm_longopt(device->cfgopt, "NvChipset", 0);
-		if (chipset) {
-			u32 override_boot0;
-
-			if (chipset >= 0x10) {
-				override_boot0  = ((chipset & 0x1ff) << 20);
-				override_boot0 |= 0x000000a1;
-			} else {
-				if (chipset != 0x04)
-					override_boot0 = 0x20104000;
-				else
-					override_boot0 = 0x20004000;
-			}
+	/* switch mmio to cpu's native endianness */
+	if (!nvkm_device_endianness(device)) {
+		nvdev_error(device,
+			    "Couldn't switch GPU to CPUs endianness\n");
+		ret = -ENOSYS;
+		goto done;
+	}
 
-			nvdev_warn(device, "CHIPSET OVERRIDE: %08x -> %08x\n",
-				   boot0, override_boot0);
-			boot0 = override_boot0;
-		}
+	boot0 = nvkm_rd32(device, 0x000000);
 
-		/* determine chipset and derive architecture from it */
-		if ((boot0 & 0x1f000000) > 0) {
-			device->chipset = (boot0 & 0x1ff00000) >> 20;
-			device->chiprev = (boot0 & 0x000000ff);
-			switch (device->chipset & 0x1f0) {
-			case 0x010: {
-				if (0x461 & (1 << (device->chipset & 0xf)))
-					device->card_type = NV_10;
-				else
-					device->card_type = NV_11;
-				device->chiprev = 0x00;
-				break;
-			}
-			case 0x020: device->card_type = NV_20; break;
-			case 0x030: device->card_type = NV_30; break;
-			case 0x040:
-			case 0x060: device->card_type = NV_40; break;
-			case 0x050:
-			case 0x080:
-			case 0x090:
-			case 0x0a0: device->card_type = NV_50; break;
-			case 0x0c0:
-			case 0x0d0: device->card_type = NV_C0; break;
-			case 0x0e0:
-			case 0x0f0:
-			case 0x100: device->card_type = NV_E0; break;
-			case 0x110:
-			case 0x120: device->card_type = GM100; break;
-			case 0x130: device->card_type = GP100; break;
-			case 0x140: device->card_type = GV100; break;
-			case 0x160: device->card_type = TU100; break;
-			case 0x170: device->card_type = GA100; break;
-			case 0x190: device->card_type = AD100; break;
-			default:
-				break;
-			}
-		} else
-		if ((boot0 & 0xff00fff0) == 0x20004000) {
-			if (boot0 & 0x00f00000)
-				device->chipset = 0x05;
+	/* chipset can be overridden for devel/testing purposes */
+	chipset = nvkm_longopt(device->cfgopt, "NvChipset", 0);
+	if (chipset) {
+		u32 override_boot0;
+
+		if (chipset >= 0x10) {
+			override_boot0  = ((chipset & 0x1ff) << 20);
+			override_boot0 |= 0x000000a1;
+		} else {
+			if (chipset != 0x04)
+				override_boot0 = 0x20104000;
 			else
-				device->chipset = 0x04;
-			device->card_type = NV_04;
+				override_boot0 = 0x20004000;
 		}
 
-		switch (device->chipset) {
-		case 0x004: device->chip = &nv4_chipset; break;
-		case 0x005: device->chip = &nv5_chipset; break;
-		case 0x010: device->chip = &nv10_chipset; break;
-		case 0x011: device->chip = &nv11_chipset; break;
-		case 0x015: device->chip = &nv15_chipset; break;
-		case 0x017: device->chip = &nv17_chipset; break;
-		case 0x018: device->chip = &nv18_chipset; break;
-		case 0x01a: device->chip = &nv1a_chipset; break;
-		case 0x01f: device->chip = &nv1f_chipset; break;
-		case 0x020: device->chip = &nv20_chipset; break;
-		case 0x025: device->chip = &nv25_chipset; break;
-		case 0x028: device->chip = &nv28_chipset; break;
-		case 0x02a: device->chip = &nv2a_chipset; break;
-		case 0x030: device->chip = &nv30_chipset; break;
-		case 0x031: device->chip = &nv31_chipset; break;
-		case 0x034: device->chip = &nv34_chipset; break;
-		case 0x035: device->chip = &nv35_chipset; break;
-		case 0x036: device->chip = &nv36_chipset; break;
-		case 0x040: device->chip = &nv40_chipset; break;
-		case 0x041: device->chip = &nv41_chipset; break;
-		case 0x042: device->chip = &nv42_chipset; break;
-		case 0x043: device->chip = &nv43_chipset; break;
-		case 0x044: device->chip = &nv44_chipset; break;
-		case 0x045: device->chip = &nv45_chipset; break;
-		case 0x046: device->chip = &nv46_chipset; break;
-		case 0x047: device->chip = &nv47_chipset; break;
-		case 0x049: device->chip = &nv49_chipset; break;
-		case 0x04a: device->chip = &nv4a_chipset; break;
-		case 0x04b: device->chip = &nv4b_chipset; break;
-		case 0x04c: device->chip = &nv4c_chipset; break;
-		case 0x04e: device->chip = &nv4e_chipset; break;
-		case 0x050: device->chip = &nv50_chipset; break;
-		case 0x063: device->chip = &nv63_chipset; break;
-		case 0x067: device->chip = &nv67_chipset; break;
-		case 0x068: device->chip = &nv68_chipset; break;
-		case 0x084: device->chip = &nv84_chipset; break;
-		case 0x086: device->chip = &nv86_chipset; break;
-		case 0x092: device->chip = &nv92_chipset; break;
-		case 0x094: device->chip = &nv94_chipset; break;
-		case 0x096: device->chip = &nv96_chipset; break;
-		case 0x098: device->chip = &nv98_chipset; break;
-		case 0x0a0: device->chip = &nva0_chipset; break;
-		case 0x0a3: device->chip = &nva3_chipset; break;
-		case 0x0a5: device->chip = &nva5_chipset; break;
-		case 0x0a8: device->chip = &nva8_chipset; break;
-		case 0x0aa: device->chip = &nvaa_chipset; break;
-		case 0x0ac: device->chip = &nvac_chipset; break;
-		case 0x0af: device->chip = &nvaf_chipset; break;
-		case 0x0c0: device->chip = &nvc0_chipset; break;
-		case 0x0c1: device->chip = &nvc1_chipset; break;
-		case 0x0c3: device->chip = &nvc3_chipset; break;
-		case 0x0c4: device->chip = &nvc4_chipset; break;
-		case 0x0c8: device->chip = &nvc8_chipset; break;
-		case 0x0ce: device->chip = &nvce_chipset; break;
-		case 0x0cf: device->chip = &nvcf_chipset; break;
-		case 0x0d7: device->chip = &nvd7_chipset; break;
-		case 0x0d9: device->chip = &nvd9_chipset; break;
-		case 0x0e4: device->chip = &nve4_chipset; break;
-		case 0x0e6: device->chip = &nve6_chipset; break;
-		case 0x0e7: device->chip = &nve7_chipset; break;
-		case 0x0ea: device->chip = &nvea_chipset; break;
-		case 0x0f0: device->chip = &nvf0_chipset; break;
-		case 0x0f1: device->chip = &nvf1_chipset; break;
-		case 0x106: device->chip = &nv106_chipset; break;
-		case 0x108: device->chip = &nv108_chipset; break;
-		case 0x117: device->chip = &nv117_chipset; break;
-		case 0x118: device->chip = &nv118_chipset; break;
-		case 0x120: device->chip = &nv120_chipset; break;
-		case 0x124: device->chip = &nv124_chipset; break;
-		case 0x126: device->chip = &nv126_chipset; break;
-		case 0x12b: device->chip = &nv12b_chipset; break;
-		case 0x130: device->chip = &nv130_chipset; break;
-		case 0x132: device->chip = &nv132_chipset; break;
-		case 0x134: device->chip = &nv134_chipset; break;
-		case 0x136: device->chip = &nv136_chipset; break;
-		case 0x137: device->chip = &nv137_chipset; break;
-		case 0x138: device->chip = &nv138_chipset; break;
-		case 0x13b: device->chip = &nv13b_chipset; break;
-		case 0x140: device->chip = &nv140_chipset; break;
-		case 0x162: device->chip = &nv162_chipset; break;
-		case 0x164: device->chip = &nv164_chipset; break;
-		case 0x166: device->chip = &nv166_chipset; break;
-		case 0x167: device->chip = &nv167_chipset; break;
-		case 0x168: device->chip = &nv168_chipset; break;
-		case 0x172: device->chip = &nv172_chipset; break;
-		case 0x173: device->chip = &nv173_chipset; break;
-		case 0x174: device->chip = &nv174_chipset; break;
-		case 0x176: device->chip = &nv176_chipset; break;
-		case 0x177: device->chip = &nv177_chipset; break;
-		case 0x192: device->chip = &nv192_chipset; break;
-		case 0x193: device->chip = &nv193_chipset; break;
-		case 0x194: device->chip = &nv194_chipset; break;
-		case 0x196: device->chip = &nv196_chipset; break;
-		case 0x197: device->chip = &nv197_chipset; break;
-		default:
-			if (nvkm_boolopt(device->cfgopt, "NvEnableUnsupportedChipsets", false)) {
-				switch (device->chipset) {
-				case 0x170: device->chip = &nv170_chipset; break;
-				default:
-					break;
-				}
-			}
+		nvdev_warn(device, "CHIPSET OVERRIDE: %08x -> %08x\n",
+			   boot0, override_boot0);
+		boot0 = override_boot0;
+	}
 
-			if (!device->chip) {
-				nvdev_error(device, "unknown chipset (%08x)\n", boot0);
-				ret = -ENODEV;
-				goto done;
-			}
+	/* determine chipset and derive architecture from it */
+	if ((boot0 & 0x1f000000) > 0) {
+		device->chipset = (boot0 & 0x1ff00000) >> 20;
+		device->chiprev = (boot0 & 0x000000ff);
+		switch (device->chipset & 0x1f0) {
+		case 0x010: {
+			if (0x461 & (1 << (device->chipset & 0xf)))
+				device->card_type = NV_10;
+			else
+				device->card_type = NV_11;
+			device->chiprev = 0x00;
 			break;
 		}
+		case 0x020: device->card_type = NV_20; break;
+		case 0x030: device->card_type = NV_30; break;
+		case 0x040:
+		case 0x060: device->card_type = NV_40; break;
+		case 0x050:
+		case 0x080:
+		case 0x090:
+		case 0x0a0: device->card_type = NV_50; break;
+		case 0x0c0:
+		case 0x0d0: device->card_type = NV_C0; break;
+		case 0x0e0:
+		case 0x0f0:
+		case 0x100: device->card_type = NV_E0; break;
+		case 0x110:
+		case 0x120: device->card_type = GM100; break;
+		case 0x130: device->card_type = GP100; break;
+		case 0x140: device->card_type = GV100; break;
+		case 0x160: device->card_type = TU100; break;
+		case 0x170: device->card_type = GA100; break;
+		case 0x190: device->card_type = AD100; break;
+		default:
+			break;
+		}
+	} else
+	if ((boot0 & 0xff00fff0) == 0x20004000) {
+		if (boot0 & 0x00f00000)
+			device->chipset = 0x05;
+		else
+			device->chipset = 0x04;
+		device->card_type = NV_04;
+	}
 
-		nvdev_info(device, "NVIDIA %s (%08x)\n",
-			   device->chip->name, boot0);
+	switch (device->chipset) {
+	case 0x004: device->chip = &nv4_chipset; break;
+	case 0x005: device->chip = &nv5_chipset; break;
+	case 0x010: device->chip = &nv10_chipset; break;
+	case 0x011: device->chip = &nv11_chipset; break;
+	case 0x015: device->chip = &nv15_chipset; break;
+	case 0x017: device->chip = &nv17_chipset; break;
+	case 0x018: device->chip = &nv18_chipset; break;
+	case 0x01a: device->chip = &nv1a_chipset; break;
+	case 0x01f: device->chip = &nv1f_chipset; break;
+	case 0x020: device->chip = &nv20_chipset; break;
+	case 0x025: device->chip = &nv25_chipset; break;
+	case 0x028: device->chip = &nv28_chipset; break;
+	case 0x02a: device->chip = &nv2a_chipset; break;
+	case 0x030: device->chip = &nv30_chipset; break;
+	case 0x031: device->chip = &nv31_chipset; break;
+	case 0x034: device->chip = &nv34_chipset; break;
+	case 0x035: device->chip = &nv35_chipset; break;
+	case 0x036: device->chip = &nv36_chipset; break;
+	case 0x040: device->chip = &nv40_chipset; break;
+	case 0x041: device->chip = &nv41_chipset; break;
+	case 0x042: device->chip = &nv42_chipset; break;
+	case 0x043: device->chip = &nv43_chipset; break;
+	case 0x044: device->chip = &nv44_chipset; break;
+	case 0x045: device->chip = &nv45_chipset; break;
+	case 0x046: device->chip = &nv46_chipset; break;
+	case 0x047: device->chip = &nv47_chipset; break;
+	case 0x049: device->chip = &nv49_chipset; break;
+	case 0x04a: device->chip = &nv4a_chipset; break;
+	case 0x04b: device->chip = &nv4b_chipset; break;
+	case 0x04c: device->chip = &nv4c_chipset; break;
+	case 0x04e: device->chip = &nv4e_chipset; break;
+	case 0x050: device->chip = &nv50_chipset; break;
+	case 0x063: device->chip = &nv63_chipset; break;
+	case 0x067: device->chip = &nv67_chipset; break;
+	case 0x068: device->chip = &nv68_chipset; break;
+	case 0x084: device->chip = &nv84_chipset; break;
+	case 0x086: device->chip = &nv86_chipset; break;
+	case 0x092: device->chip = &nv92_chipset; break;
+	case 0x094: device->chip = &nv94_chipset; break;
+	case 0x096: device->chip = &nv96_chipset; break;
+	case 0x098: device->chip = &nv98_chipset; break;
+	case 0x0a0: device->chip = &nva0_chipset; break;
+	case 0x0a3: device->chip = &nva3_chipset; break;
+	case 0x0a5: device->chip = &nva5_chipset; break;
+	case 0x0a8: device->chip = &nva8_chipset; break;
+	case 0x0aa: device->chip = &nvaa_chipset; break;
+	case 0x0ac: device->chip = &nvac_chipset; break;
+	case 0x0af: device->chip = &nvaf_chipset; break;
+	case 0x0c0: device->chip = &nvc0_chipset; break;
+	case 0x0c1: device->chip = &nvc1_chipset; break;
+	case 0x0c3: device->chip = &nvc3_chipset; break;
+	case 0x0c4: device->chip = &nvc4_chipset; break;
+	case 0x0c8: device->chip = &nvc8_chipset; break;
+	case 0x0ce: device->chip = &nvce_chipset; break;
+	case 0x0cf: device->chip = &nvcf_chipset; break;
+	case 0x0d7: device->chip = &nvd7_chipset; break;
+	case 0x0d9: device->chip = &nvd9_chipset; break;
+	case 0x0e4: device->chip = &nve4_chipset; break;
+	case 0x0e6: device->chip = &nve6_chipset; break;
+	case 0x0e7: device->chip = &nve7_chipset; break;
+	case 0x0ea: device->chip = &nvea_chipset; break;
+	case 0x0f0: device->chip = &nvf0_chipset; break;
+	case 0x0f1: device->chip = &nvf1_chipset; break;
+	case 0x106: device->chip = &nv106_chipset; break;
+	case 0x108: device->chip = &nv108_chipset; break;
+	case 0x117: device->chip = &nv117_chipset; break;
+	case 0x118: device->chip = &nv118_chipset; break;
+	case 0x120: device->chip = &nv120_chipset; break;
+	case 0x124: device->chip = &nv124_chipset; break;
+	case 0x126: device->chip = &nv126_chipset; break;
+	case 0x12b: device->chip = &nv12b_chipset; break;
+	case 0x130: device->chip = &nv130_chipset; break;
+	case 0x132: device->chip = &nv132_chipset; break;
+	case 0x134: device->chip = &nv134_chipset; break;
+	case 0x136: device->chip = &nv136_chipset; break;
+	case 0x137: device->chip = &nv137_chipset; break;
+	case 0x138: device->chip = &nv138_chipset; break;
+	case 0x13b: device->chip = &nv13b_chipset; break;
+	case 0x140: device->chip = &nv140_chipset; break;
+	case 0x162: device->chip = &nv162_chipset; break;
+	case 0x164: device->chip = &nv164_chipset; break;
+	case 0x166: device->chip = &nv166_chipset; break;
+	case 0x167: device->chip = &nv167_chipset; break;
+	case 0x168: device->chip = &nv168_chipset; break;
+	case 0x172: device->chip = &nv172_chipset; break;
+	case 0x173: device->chip = &nv173_chipset; break;
+	case 0x174: device->chip = &nv174_chipset; break;
+	case 0x176: device->chip = &nv176_chipset; break;
+	case 0x177: device->chip = &nv177_chipset; break;
+	case 0x192: device->chip = &nv192_chipset; break;
+	case 0x193: device->chip = &nv193_chipset; break;
+	case 0x194: device->chip = &nv194_chipset; break;
+	case 0x196: device->chip = &nv196_chipset; break;
+	case 0x197: device->chip = &nv197_chipset; break;
+	default:
+		if (nvkm_boolopt(device->cfgopt, "NvEnableUnsupportedChipsets", false)) {
+			switch (device->chipset) {
+			case 0x170: device->chip = &nv170_chipset; break;
+			default:
+				break;
+			}
+		}
 
-		/* vGPU detection */
-		boot1 = nvkm_rd32(device, 0x0000004);
-		if (device->card_type >= TU100 && (boot1 & 0x00030000)) {
-			nvdev_info(device, "vGPUs are not supported\n");
+		if (!device->chip) {
+			nvdev_error(device, "unknown chipset (%08x)\n", boot0);
 			ret = -ENODEV;
 			goto done;
 		}
+		break;
+	}
 
-		/* read strapping information */
-		strap = nvkm_rd32(device, 0x101000);
+	nvdev_info(device, "NVIDIA %s (%08x)\n",
+		   device->chip->name, boot0);
 
-		/* determine frequency of timing crystal */
-		if ( device->card_type <= NV_10 || device->chipset < 0x17 ||
-		    (device->chipset >= 0x20 && device->chipset < 0x25))
-			strap &= 0x00000040;
-		else
-			strap &= 0x00400040;
+	/* vGPU detection */
+	boot1 = nvkm_rd32(device, 0x0000004);
+	if (device->card_type >= TU100 && (boot1 & 0x00030000)) {
+		nvdev_info(device, "vGPUs are not supported\n");
+		ret = -ENODEV;
+		goto done;
+	}
 
-		switch (strap) {
-		case 0x00000000: device->crystal = 13500; break;
-		case 0x00000040: device->crystal = 14318; break;
-		case 0x00400000: device->crystal = 27000; break;
-		case 0x00400040: device->crystal = 25000; break;
-		}
-	} else {
-		device->chip = &null_chipset;
+	/* read strapping information */
+	strap = nvkm_rd32(device, 0x101000);
+
+	/* determine frequency of timing crystal */
+	if ( device->card_type <= NV_10 || device->chipset < 0x17 ||
+	    (device->chipset >= 0x20 && device->chipset < 0x25))
+		strap &= 0x00000040;
+	else
+		strap &= 0x00400040;
+
+	switch (strap) {
+	case 0x00000000: device->crystal = 13500; break;
+	case 0x00000040: device->crystal = 14318; break;
+	case 0x00400000: device->crystal = 27000; break;
+	case 0x00400040: device->crystal = 25000; break;
 	}
 
 	if (!device->name)
@@ -3368,7 +3356,7 @@ nvkm_device_ctor(const struct nvkm_device_func *func,
 	nvkm_intr_ctor(device);
 
 #define NVKM_LAYOUT_ONCE(type,data,ptr)                                                      \
-	if (device->chip->ptr.inst && (subdev_mask & (BIT_ULL(type)))) {                     \
+	if (device->chip->ptr.inst) {                                                        \
 		WARN_ON(device->chip->ptr.inst != 0x00000001);                               \
 		ret = device->chip->ptr.ctor(device, (type), -1, &device->ptr);              \
 		subdev = nvkm_device_subdev(device, (type), 0);                              \
@@ -3387,7 +3375,7 @@ nvkm_device_ctor(const struct nvkm_device_func *func,
 #define NVKM_LAYOUT_INST(type,data,ptr,cnt)                                                  \
 	WARN_ON(device->chip->ptr.inst & ~((1 << ARRAY_SIZE(device->ptr)) - 1));             \
 	for (j = 0; device->chip->ptr.inst && j < ARRAY_SIZE(device->ptr); j++) {            \
-		if ((device->chip->ptr.inst & BIT(j)) && (subdev_mask & BIT_ULL(type))) {    \
+		if (device->chip->ptr.inst & BIT(j)) {                                       \
 			ret = device->chip->ptr.ctor(device, (type), (j), &device->ptr[j]);  \
 			subdev = nvkm_device_subdev(device, (type), (j));                    \
 			if (ret) {                                                           \
@@ -3409,7 +3397,7 @@ nvkm_device_ctor(const struct nvkm_device_func *func,
 
 	ret = nvkm_intr_install(device);
 done:
-	if (device->pri && (!mmio || ret)) {
+	if (ret && device->pri) {
 		iounmap(device->pri);
 		device->pri = NULL;
 	}
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/pci.c b/drivers/gpu/drm/nouveau/nvkm/engine/device/pci.c
index abccb2bb68a6..3ff6436007fa 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/device/pci.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/device/pci.c
@@ -1626,7 +1626,6 @@ nvkm_device_pci_func = {
 
 int
 nvkm_device_pci_new(struct pci_dev *pci_dev, const char *cfg, const char *dbg,
-		    bool detect, bool mmio, u64 subdev_mask,
 		    struct nvkm_device **pdevice)
 {
 	const struct nvkm_device_quirk *quirk = NULL;
@@ -1680,8 +1679,7 @@ nvkm_device_pci_new(struct pci_dev *pci_dev, const char *cfg, const char *dbg,
 				    pci_dev->bus->number << 16 |
 				    PCI_SLOT(pci_dev->devfn) << 8 |
 				    PCI_FUNC(pci_dev->devfn), name,
-			       cfg, dbg, detect, mmio, subdev_mask,
-			       &pdev->device);
+			       cfg, dbg, &pdev->device);
 
 	if (ret)
 		return ret;
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/priv.h b/drivers/gpu/drm/nouveau/nvkm/engine/device/priv.h
index bf3176bec18a..c182d9c3e4fa 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/device/priv.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/device/priv.h
@@ -56,7 +56,6 @@ int  nvkm_device_ctor(const struct nvkm_device_func *,
 		      const struct nvkm_device_quirk *,
 		      struct device *, enum nvkm_device_type, u64 handle,
 		      const char *name, const char *cfg, const char *dbg,
-		      bool detect, bool mmio, u64 subdev_mask,
 		      struct nvkm_device *);
 int  nvkm_device_init(struct nvkm_device *);
 int  nvkm_device_fini(struct nvkm_device *, bool suspend);
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c b/drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c
index 87caa4a72921..d1c294f00665 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c
@@ -237,7 +237,6 @@ int
 nvkm_device_tegra_new(const struct nvkm_device_tegra_func *func,
 		      struct platform_device *pdev,
 		      const char *cfg, const char *dbg,
-		      bool detect, bool mmio, u64 subdev_mask,
 		      struct nvkm_device **pdevice)
 {
 	struct nvkm_device_tegra *tdev;
@@ -311,8 +310,7 @@ nvkm_device_tegra_new(const struct nvkm_device_tegra_func *func,
 	tdev->gpu_speedo_id = tegra_sku_info.gpu_speedo_id;
 	ret = nvkm_device_ctor(&nvkm_device_tegra_func, NULL, &pdev->dev,
 			       NVKM_DEVICE_TEGRA, pdev->id, NULL,
-			       cfg, dbg, detect, mmio, subdev_mask,
-			       &tdev->device);
+			       cfg, dbg, &tdev->device);
 	if (ret)
 		goto powerdown;
 
@@ -333,7 +331,6 @@ int
 nvkm_device_tegra_new(const struct nvkm_device_tegra_func *func,
 		      struct platform_device *pdev,
 		      const char *cfg, const char *dbg,
-		      bool detect, bool mmio, u64 subdev_mask,
 		      struct nvkm_device **pdevice)
 {
 	return -ENOSYS;
-- 
2.41.0



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