diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/pm/base.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/pm/base.c | 868 |
1 files changed, 868 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/pm/base.c b/drivers/gpu/drm/nouveau/nvkm/engine/pm/base.c new file mode 100644 index 000000000..8fe0444f7 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/engine/pm/base.c @@ -0,0 +1,868 @@ +/* + * Copyright 2013 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: Ben Skeggs + */ +#include "priv.h" + +#include <core/client.h> +#include <core/option.h> + +#include <nvif/class.h> +#include <nvif/if0002.h> +#include <nvif/if0003.h> +#include <nvif/ioctl.h> +#include <nvif/unpack.h> + +static u8 +nvkm_pm_count_perfdom(struct nvkm_pm *pm) +{ + struct nvkm_perfdom *dom; + u8 domain_nr = 0; + + list_for_each_entry(dom, &pm->domains, head) + domain_nr++; + return domain_nr; +} + +static u16 +nvkm_perfdom_count_perfsig(struct nvkm_perfdom *dom) +{ + u16 signal_nr = 0; + int i; + + if (dom) { + for (i = 0; i < dom->signal_nr; i++) { + if (dom->signal[i].name) + signal_nr++; + } + } + return signal_nr; +} + +static struct nvkm_perfdom * +nvkm_perfdom_find(struct nvkm_pm *pm, int di) +{ + struct nvkm_perfdom *dom; + int tmp = 0; + + list_for_each_entry(dom, &pm->domains, head) { + if (tmp++ == di) + return dom; + } + return NULL; +} + +static struct nvkm_perfsig * +nvkm_perfsig_find(struct nvkm_pm *pm, u8 di, u8 si, struct nvkm_perfdom **pdom) +{ + struct nvkm_perfdom *dom = *pdom; + + if (dom == NULL) { + dom = nvkm_perfdom_find(pm, di); + if (dom == NULL) + return NULL; + *pdom = dom; + } + + if (!dom->signal[si].name) + return NULL; + return &dom->signal[si]; +} + +static u8 +nvkm_perfsig_count_perfsrc(struct nvkm_perfsig *sig) +{ + u8 source_nr = 0, i; + + for (i = 0; i < ARRAY_SIZE(sig->source); i++) { + if (sig->source[i]) + source_nr++; + } + return source_nr; +} + +static struct nvkm_perfsrc * +nvkm_perfsrc_find(struct nvkm_pm *pm, struct nvkm_perfsig *sig, int si) +{ + struct nvkm_perfsrc *src; + bool found = false; + int tmp = 1; /* Sources ID start from 1 */ + u8 i; + + for (i = 0; i < ARRAY_SIZE(sig->source) && sig->source[i]; i++) { + if (sig->source[i] == si) { + found = true; + break; + } + } + + if (found) { + list_for_each_entry(src, &pm->sources, head) { + if (tmp++ == si) + return src; + } + } + + return NULL; +} + +static int +nvkm_perfsrc_enable(struct nvkm_pm *pm, struct nvkm_perfctr *ctr) +{ + struct nvkm_subdev *subdev = &pm->engine.subdev; + struct nvkm_device *device = subdev->device; + struct nvkm_perfdom *dom = NULL; + struct nvkm_perfsig *sig; + struct nvkm_perfsrc *src; + u32 mask, value; + int i, j; + + for (i = 0; i < 4; i++) { + for (j = 0; j < 8 && ctr->source[i][j]; j++) { + sig = nvkm_perfsig_find(pm, ctr->domain, + ctr->signal[i], &dom); + if (!sig) + return -EINVAL; + + src = nvkm_perfsrc_find(pm, sig, ctr->source[i][j]); + if (!src) + return -EINVAL; + + /* set enable bit if needed */ + mask = value = 0x00000000; + if (src->enable) + mask = value = 0x80000000; + mask |= (src->mask << src->shift); + value |= ((ctr->source[i][j] >> 32) << src->shift); + + /* enable the source */ + nvkm_mask(device, src->addr, mask, value); + nvkm_debug(subdev, + "enabled source %08x %08x %08x\n", + src->addr, mask, value); + } + } + return 0; +} + +static int +nvkm_perfsrc_disable(struct nvkm_pm *pm, struct nvkm_perfctr *ctr) +{ + struct nvkm_subdev *subdev = &pm->engine.subdev; + struct nvkm_device *device = subdev->device; + struct nvkm_perfdom *dom = NULL; + struct nvkm_perfsig *sig; + struct nvkm_perfsrc *src; + u32 mask; + int i, j; + + for (i = 0; i < 4; i++) { + for (j = 0; j < 8 && ctr->source[i][j]; j++) { + sig = nvkm_perfsig_find(pm, ctr->domain, + ctr->signal[i], &dom); + if (!sig) + return -EINVAL; + + src = nvkm_perfsrc_find(pm, sig, ctr->source[i][j]); + if (!src) + return -EINVAL; + + /* unset enable bit if needed */ + mask = 0x00000000; + if (src->enable) + mask = 0x80000000; + mask |= (src->mask << src->shift); + + /* disable the source */ + nvkm_mask(device, src->addr, mask, 0); + nvkm_debug(subdev, "disabled source %08x %08x\n", + src->addr, mask); + } + } + return 0; +} + +/******************************************************************************* + * Perfdom object classes + ******************************************************************************/ +static int +nvkm_perfdom_init(struct nvkm_perfdom *dom, void *data, u32 size) +{ + union { + struct nvif_perfdom_init none; + } *args = data; + struct nvkm_object *object = &dom->object; + struct nvkm_pm *pm = dom->perfmon->pm; + int ret = -ENOSYS, i; + + nvif_ioctl(object, "perfdom init size %d\n", size); + if (!(ret = nvif_unvers(ret, &data, &size, args->none))) { + nvif_ioctl(object, "perfdom init\n"); + } else + return ret; + + for (i = 0; i < 4; i++) { + if (dom->ctr[i]) { + dom->func->init(pm, dom, dom->ctr[i]); + + /* enable sources */ + nvkm_perfsrc_enable(pm, dom->ctr[i]); + } + } + + /* start next batch of counters for sampling */ + dom->func->next(pm, dom); + return 0; +} + +static int +nvkm_perfdom_sample(struct nvkm_perfdom *dom, void *data, u32 size) +{ + union { + struct nvif_perfdom_sample none; + } *args = data; + struct nvkm_object *object = &dom->object; + struct nvkm_pm *pm = dom->perfmon->pm; + int ret = -ENOSYS; + + nvif_ioctl(object, "perfdom sample size %d\n", size); + if (!(ret = nvif_unvers(ret, &data, &size, args->none))) { + nvif_ioctl(object, "perfdom sample\n"); + } else + return ret; + pm->sequence++; + + /* sample previous batch of counters */ + list_for_each_entry(dom, &pm->domains, head) + dom->func->next(pm, dom); + + return 0; +} + +static int +nvkm_perfdom_read(struct nvkm_perfdom *dom, void *data, u32 size) +{ + union { + struct nvif_perfdom_read_v0 v0; + } *args = data; + struct nvkm_object *object = &dom->object; + struct nvkm_pm *pm = dom->perfmon->pm; + int ret = -ENOSYS, i; + + nvif_ioctl(object, "perfdom read size %d\n", size); + if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) { + nvif_ioctl(object, "perfdom read vers %d\n", args->v0.version); + } else + return ret; + + for (i = 0; i < 4; i++) { + if (dom->ctr[i]) + dom->func->read(pm, dom, dom->ctr[i]); + } + + if (!dom->clk) + return -EAGAIN; + + for (i = 0; i < 4; i++) + if (dom->ctr[i]) + args->v0.ctr[i] = dom->ctr[i]->ctr; + args->v0.clk = dom->clk; + return 0; +} + +static int +nvkm_perfdom_mthd(struct nvkm_object *object, u32 mthd, void *data, u32 size) +{ + struct nvkm_perfdom *dom = nvkm_perfdom(object); + switch (mthd) { + case NVIF_PERFDOM_V0_INIT: + return nvkm_perfdom_init(dom, data, size); + case NVIF_PERFDOM_V0_SAMPLE: + return nvkm_perfdom_sample(dom, data, size); + case NVIF_PERFDOM_V0_READ: + return nvkm_perfdom_read(dom, data, size); + default: + break; + } + return -EINVAL; +} + +static void * +nvkm_perfdom_dtor(struct nvkm_object *object) +{ + struct nvkm_perfdom *dom = nvkm_perfdom(object); + struct nvkm_pm *pm = dom->perfmon->pm; + int i; + + for (i = 0; i < 4; i++) { + struct nvkm_perfctr *ctr = dom->ctr[i]; + if (ctr) { + nvkm_perfsrc_disable(pm, ctr); + if (ctr->head.next) + list_del(&ctr->head); + } + kfree(ctr); + } + + return dom; +} + +static int +nvkm_perfctr_new(struct nvkm_perfdom *dom, int slot, u8 domain, + struct nvkm_perfsig *signal[4], u64 source[4][8], + u16 logic_op, struct nvkm_perfctr **pctr) +{ + struct nvkm_perfctr *ctr; + int i, j; + + if (!dom) + return -EINVAL; + + ctr = *pctr = kzalloc(sizeof(*ctr), GFP_KERNEL); + if (!ctr) + return -ENOMEM; + + ctr->domain = domain; + ctr->logic_op = logic_op; + ctr->slot = slot; + for (i = 0; i < 4; i++) { + if (signal[i]) { + ctr->signal[i] = signal[i] - dom->signal; + for (j = 0; j < 8; j++) + ctr->source[i][j] = source[i][j]; + } + } + list_add_tail(&ctr->head, &dom->list); + + return 0; +} + +static const struct nvkm_object_func +nvkm_perfdom = { + .dtor = nvkm_perfdom_dtor, + .mthd = nvkm_perfdom_mthd, +}; + +static int +nvkm_perfdom_new_(struct nvkm_perfmon *perfmon, + const struct nvkm_oclass *oclass, void *data, u32 size, + struct nvkm_object **pobject) +{ + union { + struct nvif_perfdom_v0 v0; + } *args = data; + struct nvkm_pm *pm = perfmon->pm; + struct nvkm_object *parent = oclass->parent; + struct nvkm_perfdom *sdom = NULL; + struct nvkm_perfctr *ctr[4] = {}; + struct nvkm_perfdom *dom; + int c, s, m; + int ret = -ENOSYS; + + nvif_ioctl(parent, "create perfdom size %d\n", size); + if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) { + nvif_ioctl(parent, "create perfdom vers %d dom %d mode %02x\n", + args->v0.version, args->v0.domain, args->v0.mode); + } else + return ret; + + for (c = 0; c < ARRAY_SIZE(args->v0.ctr); c++) { + struct nvkm_perfsig *sig[4] = {}; + u64 src[4][8] = {}; + + for (s = 0; s < ARRAY_SIZE(args->v0.ctr[c].signal); s++) { + sig[s] = nvkm_perfsig_find(pm, args->v0.domain, + args->v0.ctr[c].signal[s], + &sdom); + if (args->v0.ctr[c].signal[s] && !sig[s]) + return -EINVAL; + + for (m = 0; m < 8; m++) { + src[s][m] = args->v0.ctr[c].source[s][m]; + if (src[s][m] && !nvkm_perfsrc_find(pm, sig[s], + src[s][m])) + return -EINVAL; + } + } + + ret = nvkm_perfctr_new(sdom, c, args->v0.domain, sig, src, + args->v0.ctr[c].logic_op, &ctr[c]); + if (ret) + return ret; + } + + if (!sdom) + return -EINVAL; + + if (!(dom = kzalloc(sizeof(*dom), GFP_KERNEL))) + return -ENOMEM; + nvkm_object_ctor(&nvkm_perfdom, oclass, &dom->object); + dom->perfmon = perfmon; + *pobject = &dom->object; + + dom->func = sdom->func; + dom->addr = sdom->addr; + dom->mode = args->v0.mode; + for (c = 0; c < ARRAY_SIZE(ctr); c++) + dom->ctr[c] = ctr[c]; + return 0; +} + +/******************************************************************************* + * Perfmon object classes + ******************************************************************************/ +static int +nvkm_perfmon_mthd_query_domain(struct nvkm_perfmon *perfmon, + void *data, u32 size) +{ + union { + struct nvif_perfmon_query_domain_v0 v0; + } *args = data; + struct nvkm_object *object = &perfmon->object; + struct nvkm_pm *pm = perfmon->pm; + struct nvkm_perfdom *dom; + u8 domain_nr; + int di, ret = -ENOSYS; + + nvif_ioctl(object, "perfmon query domain size %d\n", size); + if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) { + nvif_ioctl(object, "perfmon domain vers %d iter %02x\n", + args->v0.version, args->v0.iter); + di = (args->v0.iter & 0xff) - 1; + } else + return ret; + + domain_nr = nvkm_pm_count_perfdom(pm); + if (di >= (int)domain_nr) + return -EINVAL; + + if (di >= 0) { + dom = nvkm_perfdom_find(pm, di); + if (dom == NULL) + return -EINVAL; + + args->v0.id = di; + args->v0.signal_nr = nvkm_perfdom_count_perfsig(dom); + strncpy(args->v0.name, dom->name, sizeof(args->v0.name) - 1); + + /* Currently only global counters (PCOUNTER) are implemented + * but this will be different for local counters (MP). */ + args->v0.counter_nr = 4; + } + + if (++di < domain_nr) { + args->v0.iter = ++di; + return 0; + } + + args->v0.iter = 0xff; + return 0; +} + +static int +nvkm_perfmon_mthd_query_signal(struct nvkm_perfmon *perfmon, + void *data, u32 size) +{ + union { + struct nvif_perfmon_query_signal_v0 v0; + } *args = data; + struct nvkm_object *object = &perfmon->object; + struct nvkm_pm *pm = perfmon->pm; + struct nvkm_device *device = pm->engine.subdev.device; + struct nvkm_perfdom *dom; + struct nvkm_perfsig *sig; + const bool all = nvkm_boolopt(device->cfgopt, "NvPmShowAll", false); + const bool raw = nvkm_boolopt(device->cfgopt, "NvPmUnnamed", all); + int ret = -ENOSYS, si; + + nvif_ioctl(object, "perfmon query signal size %d\n", size); + if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) { + nvif_ioctl(object, + "perfmon query signal vers %d dom %d iter %04x\n", + args->v0.version, args->v0.domain, args->v0.iter); + si = (args->v0.iter & 0xffff) - 1; + } else + return ret; + + dom = nvkm_perfdom_find(pm, args->v0.domain); + if (dom == NULL || si >= (int)dom->signal_nr) + return -EINVAL; + + if (si >= 0) { + sig = &dom->signal[si]; + if (raw || !sig->name) { + snprintf(args->v0.name, sizeof(args->v0.name), + "/%s/%02x", dom->name, si); + } else { + strncpy(args->v0.name, sig->name, + sizeof(args->v0.name) - 1); + } + + args->v0.signal = si; + args->v0.source_nr = nvkm_perfsig_count_perfsrc(sig); + } + + while (++si < dom->signal_nr) { + if (all || dom->signal[si].name) { + args->v0.iter = ++si; + return 0; + } + } + + args->v0.iter = 0xffff; + return 0; +} + +static int +nvkm_perfmon_mthd_query_source(struct nvkm_perfmon *perfmon, + void *data, u32 size) +{ + union { + struct nvif_perfmon_query_source_v0 v0; + } *args = data; + struct nvkm_object *object = &perfmon->object; + struct nvkm_pm *pm = perfmon->pm; + struct nvkm_perfdom *dom = NULL; + struct nvkm_perfsig *sig; + struct nvkm_perfsrc *src; + u8 source_nr = 0; + int si, ret = -ENOSYS; + + nvif_ioctl(object, "perfmon query source size %d\n", size); + if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) { + nvif_ioctl(object, + "perfmon source vers %d dom %d sig %02x iter %02x\n", + args->v0.version, args->v0.domain, args->v0.signal, + args->v0.iter); + si = (args->v0.iter & 0xff) - 1; + } else + return ret; + + sig = nvkm_perfsig_find(pm, args->v0.domain, args->v0.signal, &dom); + if (!sig) + return -EINVAL; + + source_nr = nvkm_perfsig_count_perfsrc(sig); + if (si >= (int)source_nr) + return -EINVAL; + + if (si >= 0) { + src = nvkm_perfsrc_find(pm, sig, sig->source[si]); + if (!src) + return -EINVAL; + + args->v0.source = sig->source[si]; + args->v0.mask = src->mask; + strncpy(args->v0.name, src->name, sizeof(args->v0.name) - 1); + } + + if (++si < source_nr) { + args->v0.iter = ++si; + return 0; + } + + args->v0.iter = 0xff; + return 0; +} + +static int +nvkm_perfmon_mthd(struct nvkm_object *object, u32 mthd, void *data, u32 size) +{ + struct nvkm_perfmon *perfmon = nvkm_perfmon(object); + switch (mthd) { + case NVIF_PERFMON_V0_QUERY_DOMAIN: + return nvkm_perfmon_mthd_query_domain(perfmon, data, size); + case NVIF_PERFMON_V0_QUERY_SIGNAL: + return nvkm_perfmon_mthd_query_signal(perfmon, data, size); + case NVIF_PERFMON_V0_QUERY_SOURCE: + return nvkm_perfmon_mthd_query_source(perfmon, data, size); + default: + break; + } + return -EINVAL; +} + +static int +nvkm_perfmon_child_new(const struct nvkm_oclass *oclass, void *data, u32 size, + struct nvkm_object **pobject) +{ + struct nvkm_perfmon *perfmon = nvkm_perfmon(oclass->parent); + return nvkm_perfdom_new_(perfmon, oclass, data, size, pobject); +} + +static int +nvkm_perfmon_child_get(struct nvkm_object *object, int index, + struct nvkm_oclass *oclass) +{ + if (index == 0) { + oclass->base.oclass = NVIF_CLASS_PERFDOM; + oclass->base.minver = 0; + oclass->base.maxver = 0; + oclass->ctor = nvkm_perfmon_child_new; + return 0; + } + return -EINVAL; +} + +static void * +nvkm_perfmon_dtor(struct nvkm_object *object) +{ + struct nvkm_perfmon *perfmon = nvkm_perfmon(object); + struct nvkm_pm *pm = perfmon->pm; + spin_lock(&pm->client.lock); + if (pm->client.object == &perfmon->object) + pm->client.object = NULL; + spin_unlock(&pm->client.lock); + return perfmon; +} + +static const struct nvkm_object_func +nvkm_perfmon = { + .dtor = nvkm_perfmon_dtor, + .mthd = nvkm_perfmon_mthd, + .sclass = nvkm_perfmon_child_get, +}; + +static int +nvkm_perfmon_new(struct nvkm_pm *pm, const struct nvkm_oclass *oclass, + void *data, u32 size, struct nvkm_object **pobject) +{ + struct nvkm_perfmon *perfmon; + + if (!(perfmon = kzalloc(sizeof(*perfmon), GFP_KERNEL))) + return -ENOMEM; + nvkm_object_ctor(&nvkm_perfmon, oclass, &perfmon->object); + perfmon->pm = pm; + *pobject = &perfmon->object; + return 0; +} + +/******************************************************************************* + * PPM engine/subdev functions + ******************************************************************************/ + +static int +nvkm_pm_oclass_new(struct nvkm_device *device, const struct nvkm_oclass *oclass, + void *data, u32 size, struct nvkm_object **pobject) +{ + struct nvkm_pm *pm = nvkm_pm(oclass->engine); + int ret; + + ret = nvkm_perfmon_new(pm, oclass, data, size, pobject); + if (ret) + return ret; + + spin_lock(&pm->client.lock); + if (pm->client.object == NULL) + pm->client.object = *pobject; + ret = (pm->client.object == *pobject) ? 0 : -EBUSY; + spin_unlock(&pm->client.lock); + return ret; +} + +static const struct nvkm_device_oclass +nvkm_pm_oclass = { + .base.oclass = NVIF_CLASS_PERFMON, + .base.minver = -1, + .base.maxver = -1, + .ctor = nvkm_pm_oclass_new, +}; + +static int +nvkm_pm_oclass_get(struct nvkm_oclass *oclass, int index, + const struct nvkm_device_oclass **class) +{ + if (index == 0) { + oclass->base = nvkm_pm_oclass.base; + *class = &nvkm_pm_oclass; + return index; + } + return 1; +} + +static int +nvkm_perfsrc_new(struct nvkm_pm *pm, struct nvkm_perfsig *sig, + const struct nvkm_specsrc *spec) +{ + const struct nvkm_specsrc *ssrc; + const struct nvkm_specmux *smux; + struct nvkm_perfsrc *src; + u8 source_nr = 0; + + if (!spec) { + /* No sources are defined for this signal. */ + return 0; + } + + ssrc = spec; + while (ssrc->name) { + smux = ssrc->mux; + while (smux->name) { + bool found = false; + u8 source_id = 0; + u32 len; + + list_for_each_entry(src, &pm->sources, head) { + if (src->addr == ssrc->addr && + src->shift == smux->shift) { + found = true; + break; + } + source_id++; + } + + if (!found) { + src = kzalloc(sizeof(*src), GFP_KERNEL); + if (!src) + return -ENOMEM; + + src->addr = ssrc->addr; + src->mask = smux->mask; + src->shift = smux->shift; + src->enable = smux->enable; + + len = strlen(ssrc->name) + + strlen(smux->name) + 2; + src->name = kzalloc(len, GFP_KERNEL); + if (!src->name) { + kfree(src); + return -ENOMEM; + } + snprintf(src->name, len, "%s_%s", ssrc->name, + smux->name); + + list_add_tail(&src->head, &pm->sources); + } + + sig->source[source_nr++] = source_id + 1; + smux++; + } + ssrc++; + } + + return 0; +} + +int +nvkm_perfdom_new(struct nvkm_pm *pm, const char *name, u32 mask, + u32 base, u32 size_unit, u32 size_domain, + const struct nvkm_specdom *spec) +{ + const struct nvkm_specdom *sdom; + const struct nvkm_specsig *ssig; + struct nvkm_perfdom *dom; + int ret, i; + + for (i = 0; i == 0 || mask; i++) { + u32 addr = base + (i * size_unit); + if (i && !(mask & (1 << i))) + continue; + + sdom = spec; + while (sdom->signal_nr) { + dom = kzalloc(struct_size(dom, signal, sdom->signal_nr), + GFP_KERNEL); + if (!dom) + return -ENOMEM; + + if (mask) { + snprintf(dom->name, sizeof(dom->name), + "%s/%02x/%02x", name, i, + (int)(sdom - spec)); + } else { + snprintf(dom->name, sizeof(dom->name), + "%s/%02x", name, (int)(sdom - spec)); + } + + list_add_tail(&dom->head, &pm->domains); + INIT_LIST_HEAD(&dom->list); + dom->func = sdom->func; + dom->addr = addr; + dom->signal_nr = sdom->signal_nr; + + ssig = (sdom++)->signal; + while (ssig->name) { + struct nvkm_perfsig *sig = + &dom->signal[ssig->signal]; + sig->name = ssig->name; + ret = nvkm_perfsrc_new(pm, sig, ssig->source); + if (ret) + return ret; + ssig++; + } + + addr += size_domain; + } + + mask &= ~(1 << i); + } + + return 0; +} + +static int +nvkm_pm_fini(struct nvkm_engine *engine, bool suspend) +{ + struct nvkm_pm *pm = nvkm_pm(engine); + if (pm->func->fini) + pm->func->fini(pm); + return 0; +} + +static void * +nvkm_pm_dtor(struct nvkm_engine *engine) +{ + struct nvkm_pm *pm = nvkm_pm(engine); + struct nvkm_perfdom *dom, *next_dom; + struct nvkm_perfsrc *src, *next_src; + + list_for_each_entry_safe(dom, next_dom, &pm->domains, head) { + list_del(&dom->head); + kfree(dom); + } + + list_for_each_entry_safe(src, next_src, &pm->sources, head) { + list_del(&src->head); + kfree(src->name); + kfree(src); + } + + return pm; +} + +static const struct nvkm_engine_func +nvkm_pm = { + .dtor = nvkm_pm_dtor, + .fini = nvkm_pm_fini, + .base.sclass = nvkm_pm_oclass_get, +}; + +int +nvkm_pm_ctor(const struct nvkm_pm_func *func, struct nvkm_device *device, + enum nvkm_subdev_type type, int inst, struct nvkm_pm *pm) +{ + pm->func = func; + INIT_LIST_HEAD(&pm->domains); + INIT_LIST_HEAD(&pm->sources); + spin_lock_init(&pm->client.lock); + return nvkm_engine_ctor(&nvkm_pm, device, type, inst, true, &pm->engine); +} |