[PATCH 08/34] drm/nouveau/nvkm: remove detect/mmio/subdev_mask from device args
Danilo Krummrich
dakr at redhat.com
Tue Jun 4 12:24:39 UTC 2024
On 5/27/24 16:19, Ben Skeggs wrote:
> All callers now pass "detect=true, mmio=true, subdev_mask=~0ULL",
> so remove the function arguments, and associated code.
>
> 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 e1a7475db430..ce40a0100264 100644
> --- a/drivers/gpu/drm/nouveau/nouveau_drm.c
> +++ b/drivers/gpu/drm/nouveau/nouveau_drm.c
> @@ -808,8 +808,7 @@ 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;
>
> @@ -1366,8 +1365,7 @@ 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;
> + }
Not directly related to this patch, but can we get some description and
/ or defines for magics where it makes sense? :-)
>
> - 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);
Now that we don't have the 'detect' case anymore, can't we use
devm_ioremap() instead?
> 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;
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