diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/engine/disp/base.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/core/engine/disp/base.c | 124 |
1 files changed, 121 insertions, 3 deletions
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/base.c b/drivers/gpu/drm/nouveau/core/engine/disp/base.c index 7a5cae4..c41f656 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/base.c +++ b/drivers/gpu/drm/nouveau/core/engine/disp/base.c @@ -22,13 +22,87 @@ * Authors: Ben Skeggs */ -#include <engine/disp.h> +#include "priv.h" +#include "outp.h" +#include "conn.h" + +static int +nouveau_disp_hpd_check(struct nouveau_event *event, u32 types, int index) +{ + struct nouveau_disp *disp = event->priv; + struct nvkm_output *outp; + list_for_each_entry(outp, &disp->outp, head) { + if (outp->conn->index == index) { + if (outp->conn->hpd.event) + return 0; + break; + } + } + return -ENOSYS; +} + +int +_nouveau_disp_fini(struct nouveau_object *object, bool suspend) +{ + struct nouveau_disp *disp = (void *)object; + struct nvkm_output *outp; + 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; + } + + return nouveau_engine_fini(&disp->base, suspend); + +fail_outp: + list_for_each_entry_continue_reverse(outp, &disp->outp, head) { + nv_ofuncs(outp)->init(nv_object(outp)); + } + + return ret; +} + +int +_nouveau_disp_init(struct nouveau_object *object) +{ + struct nouveau_disp *disp = (void *)object; + struct nvkm_output *outp; + int ret; + + ret = nouveau_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; + } + + return ret; + +fail_outp: + list_for_each_entry_continue_reverse(outp, &disp->outp, head) { + nv_ofuncs(outp)->fini(nv_object(outp), false); + } + + return ret; +} void _nouveau_disp_dtor(struct nouveau_object *object) { struct nouveau_disp *disp = (void *)object; + struct nvkm_output *outp, *outt; + nouveau_event_destroy(&disp->vblank); + + list_for_each_entry_safe(outp, outt, &disp->outp, head) { + nouveau_object_ref(NULL, (struct nouveau_object **)&outp); + } + nouveau_engine_destroy(&disp->base); } @@ -39,8 +113,15 @@ nouveau_disp_create_(struct nouveau_object *parent, const char *intname, const char *extname, int length, void **pobject) { + struct nouveau_disp_impl *impl = (void *)oclass; + struct nouveau_bios *bios = nouveau_bios(parent); struct nouveau_disp *disp; - int ret; + struct nouveau_oclass **sclass; + struct nouveau_object *object; + struct dcb_output dcbE; + u8 hpd = 0, ver, hdr; + u32 data; + int ret, i; ret = nouveau_engine_create_(parent, engine, oclass, true, intname, extname, length, pobject); @@ -48,5 +129,42 @@ nouveau_disp_create_(struct nouveau_object *parent, if (ret) return ret; - return nouveau_event_create(heads, &disp->vblank); + 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))) { + if (dcbE.type == DCB_OUTPUT_UNUSED) + continue; + if (dcbE.type == DCB_OUTPUT_EOL) + break; + data = dcbE.location << 4 | dcbE.type; + + oclass = nvkm_output_oclass; + sclass = impl->outp; + while (sclass && sclass[0]) { + if (sclass[0]->handle == data) { + oclass = sclass[0]; + break; + } + sclass++; + } + + nouveau_object_ctor(*pobject, *pobject, oclass, + &dcbE, i, &object); + hpd = max(hpd, (u8)(dcbE.connector + 1)); + } + + ret = nouveau_event_create(3, hpd, &disp->hpd); + if (ret) + return ret; + + disp->hpd->priv = disp; + disp->hpd->check = nouveau_disp_hpd_check; + + ret = nouveau_event_create(1, heads, &disp->vblank); + if (ret) + return ret; + + return 0; } |