From 8d91c1e411f55d7ea91b1183a2e9f8088fb4d5be Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Tue, 15 Dec 2015 14:52:16 -0300 Subject: Linux-libre 4.3.2-gnu --- drivers/gpu/drm/nouveau/nvkm/engine/disp/base.c | 325 +++++++++++++++++++----- 1 file changed, 262 insertions(+), 63 deletions(-) (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/disp/base.c') diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/base.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/base.c index 23d1b5c0d..44b67719f 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/base.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/base.c @@ -25,7 +25,9 @@ #include "conn.h" #include "outp.h" +#include #include +#include #include #include @@ -33,7 +35,21 @@ #include #include -int +static void +nvkm_disp_vblank_fini(struct nvkm_event *event, int type, int head) +{ + struct nvkm_disp *disp = container_of(event, typeof(*disp), vblank); + disp->func->head.vblank_fini(disp, head); +} + +static void +nvkm_disp_vblank_init(struct nvkm_event *event, int type, int head) +{ + struct nvkm_disp *disp = container_of(event, typeof(*disp), vblank); + disp->func->head.vblank_init(disp, head); +} + +static int nvkm_disp_vblank_ctor(struct nvkm_object *object, void *data, u32 size, struct nvkm_notify *notify) { @@ -56,6 +72,13 @@ nvkm_disp_vblank_ctor(struct nvkm_object *object, void *data, u32 size, return ret; } +static const struct nvkm_event_func +nvkm_disp_vblank_func = { + .ctor = nvkm_disp_vblank_ctor, + .init = nvkm_disp_vblank_init, + .fini = nvkm_disp_vblank_fini, +}; + void nvkm_disp_vblank(struct nvkm_disp *disp, int head) { @@ -100,7 +123,7 @@ nvkm_disp_hpd_func = { int nvkm_disp_ntfy(struct nvkm_object *object, u32 type, struct nvkm_event **event) { - struct nvkm_disp *disp = (void *)object->engine; + struct nvkm_disp *disp = nvkm_disp(object->engine); switch (type) { case NV04_DISP_NTFY_VBLANK: *event = &disp->vblank; @@ -114,127 +137,303 @@ nvkm_disp_ntfy(struct nvkm_object *object, u32 type, struct nvkm_event **event) return -EINVAL; } -int -_nvkm_disp_fini(struct nvkm_object *object, bool suspend) +static void +nvkm_disp_class_del(struct nvkm_oproxy *oproxy) { - struct nvkm_disp *disp = (void *)object; - struct nvkm_output *outp; + struct nvkm_disp *disp = nvkm_disp(oproxy->base.engine); + mutex_lock(&disp->engine.subdev.mutex); + if (disp->client == oproxy) + disp->client = NULL; + mutex_unlock(&disp->engine.subdev.mutex); +} + +static const struct nvkm_oproxy_func +nvkm_disp_class = { + .dtor[1] = nvkm_disp_class_del, +}; + +static int +nvkm_disp_class_new(struct nvkm_device *device, + const struct nvkm_oclass *oclass, void *data, u32 size, + struct nvkm_object **pobject) +{ + const struct nvkm_disp_oclass *sclass = oclass->engn; + struct nvkm_disp *disp = nvkm_disp(oclass->engine); + struct nvkm_oproxy *oproxy; int ret; - list_for_each_entry(outp, &disp->outp, head) { - ret = nv_ofuncs(outp)->fini(nv_object(outp), suspend); - if (ret && suspend) - goto fail_outp; + ret = nvkm_oproxy_new_(&nvkm_disp_class, oclass, &oproxy); + if (ret) + return ret; + *pobject = &oproxy->base; + + mutex_lock(&disp->engine.subdev.mutex); + if (disp->client) { + mutex_unlock(&disp->engine.subdev.mutex); + return -EBUSY; } + disp->client = oproxy; + mutex_unlock(&disp->engine.subdev.mutex); - return nvkm_engine_fini(&disp->base, suspend); + return sclass->ctor(disp, oclass, data, size, &oproxy->object); +} -fail_outp: - list_for_each_entry_continue_reverse(outp, &disp->outp, head) { - nv_ofuncs(outp)->init(nv_object(outp)); +static const struct nvkm_device_oclass +nvkm_disp_sclass = { + .ctor = nvkm_disp_class_new, +}; + +static int +nvkm_disp_class_get(struct nvkm_oclass *oclass, int index, + const struct nvkm_device_oclass **class) +{ + struct nvkm_disp *disp = nvkm_disp(oclass->engine); + if (index == 0) { + const struct nvkm_disp_oclass *root = disp->func->root(disp); + oclass->base = root->base; + oclass->engn = root; + *class = &nvkm_disp_sclass; + return 0; } + return 1; +} - return ret; +static void +nvkm_disp_intr(struct nvkm_engine *engine) +{ + struct nvkm_disp *disp = nvkm_disp(engine); + disp->func->intr(disp); } -int -_nvkm_disp_init(struct nvkm_object *object) +static int +nvkm_disp_fini(struct nvkm_engine *engine, bool suspend) { - struct nvkm_disp *disp = (void *)object; + struct nvkm_disp *disp = nvkm_disp(engine); + struct nvkm_connector *conn; struct nvkm_output *outp; - int ret; - - ret = nvkm_engine_init(&disp->base); - if (ret) - return ret; list_for_each_entry(outp, &disp->outp, head) { - ret = nv_ofuncs(outp)->init(nv_object(outp)); - if (ret) - goto fail_outp; + nvkm_output_fini(outp); } - return ret; + list_for_each_entry(conn, &disp->conn, head) { + nvkm_connector_fini(conn); + } + + return 0; +} + +static int +nvkm_disp_init(struct nvkm_engine *engine) +{ + struct nvkm_disp *disp = nvkm_disp(engine); + struct nvkm_connector *conn; + struct nvkm_output *outp; -fail_outp: - list_for_each_entry_continue_reverse(outp, &disp->outp, head) { - nv_ofuncs(outp)->fini(nv_object(outp), false); + list_for_each_entry(conn, &disp->conn, head) { + nvkm_connector_init(conn); } - return ret; + list_for_each_entry(outp, &disp->outp, head) { + nvkm_output_init(outp); + } + + return 0; } -void -_nvkm_disp_dtor(struct nvkm_object *object) +static void * +nvkm_disp_dtor(struct nvkm_engine *engine) { - struct nvkm_disp *disp = (void *)object; - struct nvkm_output *outp, *outt; + struct nvkm_disp *disp = nvkm_disp(engine); + struct nvkm_connector *conn; + struct nvkm_output *outp; + void *data = disp; + + if (disp->func->dtor) + data = disp->func->dtor(disp); nvkm_event_fini(&disp->vblank); nvkm_event_fini(&disp->hpd); - if (disp->outp.next) { - list_for_each_entry_safe(outp, outt, &disp->outp, head) { - nvkm_object_ref(NULL, (struct nvkm_object **)&outp); - } + while (!list_empty(&disp->outp)) { + outp = list_first_entry(&disp->outp, typeof(*outp), head); + list_del(&outp->head); + nvkm_output_del(&outp); } - nvkm_engine_destroy(&disp->base); + while (!list_empty(&disp->conn)) { + conn = list_first_entry(&disp->conn, typeof(*conn), head); + list_del(&conn->head); + nvkm_connector_del(&conn); + } + + return data; } +static const struct nvkm_engine_func +nvkm_disp = { + .dtor = nvkm_disp_dtor, + .init = nvkm_disp_init, + .fini = nvkm_disp_fini, + .intr = nvkm_disp_intr, + .base.sclass = nvkm_disp_class_get, +}; + int -nvkm_disp_create_(struct nvkm_object *parent, struct nvkm_object *engine, - struct nvkm_oclass *oclass, int heads, const char *intname, - const char *extname, int length, void **pobject) +nvkm_disp_ctor(const struct nvkm_disp_func *func, struct nvkm_device *device, + int index, int heads, struct nvkm_disp *disp) { - struct nvkm_disp_impl *impl = (void *)oclass; - struct nvkm_bios *bios = nvkm_bios(parent); - struct nvkm_disp *disp; - struct nvkm_oclass **sclass; - struct nvkm_object *object; + struct nvkm_bios *bios = device->bios; + struct nvkm_output *outp, *outt, *pair; + struct nvkm_connector *conn; + struct nvbios_connE connE; struct dcb_output dcbE; u8 hpd = 0, ver, hdr; u32 data; int ret, i; - ret = nvkm_engine_create_(parent, engine, oclass, true, intname, - extname, length, pobject); - disp = *pobject; + INIT_LIST_HEAD(&disp->outp); + INIT_LIST_HEAD(&disp->conn); + disp->func = func; + disp->head.nr = heads; + + ret = nvkm_engine_ctor(&nvkm_disp, device, index, 0, + true, &disp->engine); if (ret) return ret; - INIT_LIST_HEAD(&disp->outp); - /* create output objects for each display path in the vbios */ i = -1; while ((data = dcb_outp_parse(bios, ++i, &ver, &hdr, &dcbE))) { + const struct nvkm_disp_func_outp *outps; + int (*ctor)(struct nvkm_disp *, int, struct dcb_output *, + struct nvkm_output **); + if (dcbE.type == DCB_OUTPUT_UNUSED) continue; if (dcbE.type == DCB_OUTPUT_EOL) break; - data = dcbE.location << 4 | dcbE.type; + outp = NULL; + + switch (dcbE.location) { + case 0: outps = &disp->func->outp.internal; break; + case 1: outps = &disp->func->outp.external; break; + default: + nvkm_warn(&disp->engine.subdev, + "dcb %d locn %d unknown\n", i, dcbE.location); + continue; + } - oclass = nvkm_output_oclass; - sclass = impl->outp; - while (sclass && sclass[0]) { - if (sclass[0]->handle == data) { - oclass = sclass[0]; - break; + switch (dcbE.type) { + case DCB_OUTPUT_ANALOG: ctor = outps->crt ; break; + case DCB_OUTPUT_TV : ctor = outps->tv ; break; + case DCB_OUTPUT_TMDS : ctor = outps->tmds; break; + case DCB_OUTPUT_LVDS : ctor = outps->lvds; break; + case DCB_OUTPUT_DP : ctor = outps->dp ; break; + default: + nvkm_warn(&disp->engine.subdev, + "dcb %d type %d unknown\n", i, dcbE.type); + continue; + } + + if (ctor) + ret = ctor(disp, i, &dcbE, &outp); + else + ret = -ENODEV; + + if (ret) { + if (ret == -ENODEV) { + nvkm_debug(&disp->engine.subdev, + "dcb %d %d/%d not supported\n", + i, dcbE.location, dcbE.type); + continue; } - sclass++; + nvkm_error(&disp->engine.subdev, + "failed to create output %d\n", i); + nvkm_output_del(&outp); + continue; } - nvkm_object_ctor(*pobject, NULL, oclass, &dcbE, i, &object); + list_add_tail(&outp->head, &disp->outp); hpd = max(hpd, (u8)(dcbE.connector + 1)); } + /* create connector objects based on the outputs we support */ + list_for_each_entry_safe(outp, outt, &disp->outp, head) { + /* bios data *should* give us the most useful information */ + data = nvbios_connEp(bios, outp->info.connector, &ver, &hdr, + &connE); + + /* no bios connector data... */ + if (!data) { + /* heuristic: anything with the same ccb index is + * considered to be on the same connector, any + * output path without an associated ccb entry will + * be put on its own connector + */ + int ccb_index = outp->info.i2c_index; + if (ccb_index != 0xf) { + list_for_each_entry(pair, &disp->outp, head) { + if (pair->info.i2c_index == ccb_index) { + outp->conn = pair->conn; + break; + } + } + } + + /* connector shared with another output path */ + if (outp->conn) + continue; + + memset(&connE, 0x00, sizeof(connE)); + connE.type = DCB_CONNECTOR_NONE; + i = -1; + } else { + i = outp->info.connector; + } + + /* check that we haven't already created this connector */ + list_for_each_entry(conn, &disp->conn, head) { + if (conn->index == outp->info.connector) { + outp->conn = conn; + break; + } + } + + if (outp->conn) + continue; + + /* apparently we need to create a new one! */ + ret = nvkm_connector_new(disp, i, &connE, &outp->conn); + if (ret) { + nvkm_error(&disp->engine.subdev, + "failed to create output %d conn: %d\n", + outp->index, ret); + nvkm_connector_del(&outp->conn); + list_del(&outp->head); + nvkm_output_del(&outp); + continue; + } + + list_add_tail(&outp->conn->head, &disp->conn); + } + ret = nvkm_event_init(&nvkm_disp_hpd_func, 3, hpd, &disp->hpd); if (ret) return ret; - ret = nvkm_event_init(impl->vblank, 1, heads, &disp->vblank); + ret = nvkm_event_init(&nvkm_disp_vblank_func, 1, heads, &disp->vblank); if (ret) return ret; return 0; } + +int +nvkm_disp_new_(const struct nvkm_disp_func *func, struct nvkm_device *device, + int index, int heads, struct nvkm_disp **pdisp) +{ + if (!(*pdisp = kzalloc(sizeof(**pdisp), GFP_KERNEL))) + return -ENOMEM; + return nvkm_disp_ctor(func, device, index, heads, *pdisp); +} -- cgit v1.2.3-54-g00ecf