diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.c | 207 |
1 files changed, 174 insertions, 33 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.c index 0c570dbd3021..f89c7b977aa5 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.c @@ -24,11 +24,12 @@ #include "nv50.h" #include "head.h" #include "ior.h" +#include "channv50.h" #include "rootnv50.h" #include <core/client.h> #include <core/enum.h> -#include <core/gpuobj.h> +#include <core/ramht.h> #include <subdev/bios.h> #include <subdev/bios/disp.h> #include <subdev/bios/init.h> @@ -49,29 +50,115 @@ nv50_disp_intr_(struct nvkm_disp *base) disp->func->intr(disp); } +static void +nv50_disp_fini_(struct nvkm_disp *base) +{ + struct nv50_disp *disp = nv50_disp(base); + disp->func->fini(disp); +} + +static int +nv50_disp_init_(struct nvkm_disp *base) +{ + struct nv50_disp *disp = nv50_disp(base); + return disp->func->init(disp); +} + static void * nv50_disp_dtor_(struct nvkm_disp *base) { struct nv50_disp *disp = nv50_disp(base); + + nvkm_ramht_del(&disp->ramht); + nvkm_gpuobj_del(&disp->inst); + nvkm_event_fini(&disp->uevent); if (disp->wq) destroy_workqueue(disp->wq); + return disp; } +static int +nv50_disp_oneinit_(struct nvkm_disp *base) +{ + struct nv50_disp *disp = nv50_disp(base); + const struct nv50_disp_func *func = disp->func; + struct nvkm_subdev *subdev = &disp->base.engine.subdev; + struct nvkm_device *device = subdev->device; + int ret, i; + + if (func->wndw.cnt) { + disp->wndw.nr = func->wndw.cnt(&disp->base, &disp->wndw.mask); + nvkm_debug(subdev, "Window(s): %d (%08lx)\n", + disp->wndw.nr, disp->wndw.mask); + } + + disp->head.nr = func->head.cnt(&disp->base, &disp->head.mask); + nvkm_debug(subdev, " Head(s): %d (%02lx)\n", + disp->head.nr, disp->head.mask); + for_each_set_bit(i, &disp->head.mask, disp->head.nr) { + ret = func->head.new(&disp->base, i); + if (ret) + return ret; + } + + if (func->dac.cnt) { + disp->dac.nr = func->dac.cnt(&disp->base, &disp->dac.mask); + nvkm_debug(subdev, " DAC(s): %d (%02lx)\n", + disp->dac.nr, disp->dac.mask); + for_each_set_bit(i, &disp->dac.mask, disp->dac.nr) { + ret = func->dac.new(&disp->base, i); + if (ret) + return ret; + } + } + + if (func->pior.cnt) { + disp->pior.nr = func->pior.cnt(&disp->base, &disp->pior.mask); + nvkm_debug(subdev, " PIOR(s): %d (%02lx)\n", + disp->pior.nr, disp->pior.mask); + for_each_set_bit(i, &disp->pior.mask, disp->pior.nr) { + ret = func->pior.new(&disp->base, i); + if (ret) + return ret; + } + } + + disp->sor.nr = func->sor.cnt(&disp->base, &disp->sor.mask); + nvkm_debug(subdev, " SOR(s): %d (%02lx)\n", + disp->sor.nr, disp->sor.mask); + for_each_set_bit(i, &disp->sor.mask, disp->sor.nr) { + ret = func->sor.new(&disp->base, i); + if (ret) + return ret; + } + + ret = nvkm_gpuobj_new(device, 0x10000, 0x10000, false, NULL, + &disp->inst); + if (ret) + return ret; + + return nvkm_ramht_new(device, func->ramht_size ? func->ramht_size : + 0x1000, 0, disp->inst, &disp->ramht); +} + static const struct nvkm_disp_func nv50_disp_ = { .dtor = nv50_disp_dtor_, + .oneinit = nv50_disp_oneinit_, + .init = nv50_disp_init_, + .fini = nv50_disp_fini_, .intr = nv50_disp_intr_, .root = nv50_disp_root_, }; int nv50_disp_new_(const struct nv50_disp_func *func, struct nvkm_device *device, - int index, int heads, struct nvkm_disp **pdisp) + int index, struct nvkm_disp **pdisp) { struct nv50_disp *disp; - int ret, i; + int ret; if (!(disp = kzalloc(sizeof(*disp), GFP_KERNEL))) return -ENOMEM; @@ -85,33 +172,11 @@ nv50_disp_new_(const struct nv50_disp_func *func, struct nvkm_device *device, disp->wq = create_singlethread_workqueue("nvkm-disp"); if (!disp->wq) return -ENOMEM; - INIT_WORK(&disp->supervisor, func->super); - - for (i = 0; func->head.new && i < heads; i++) { - ret = func->head.new(&disp->base, i); - if (ret) - return ret; - } - - for (i = 0; func->dac.new && i < func->dac.nr; i++) { - ret = func->dac.new(&disp->base, i); - if (ret) - return ret; - } - - for (i = 0; func->pior.new && i < func->pior.nr; i++) { - ret = func->pior.new(&disp->base, i); - if (ret) - return ret; - } - for (i = 0; func->sor.new && i < func->sor.nr; i++) { - ret = func->sor.new(&disp->base, i); - if (ret) - return ret; - } + INIT_WORK(&disp->supervisor, func->super); - return nvkm_event_init(func->uevent, 1, 1 + (heads * 4), &disp->uevent); + return nvkm_event_init(func->uevent, 1, ARRAY_SIZE(disp->chan), + &disp->uevent); } static u32 @@ -613,20 +678,96 @@ nv50_disp_intr(struct nv50_disp *disp) } } +void +nv50_disp_fini(struct nv50_disp *disp) +{ + struct nvkm_device *device = disp->base.engine.subdev.device; + /* disable all interrupts */ + nvkm_wr32(device, 0x610024, 0x00000000); + nvkm_wr32(device, 0x610020, 0x00000000); +} + +int +nv50_disp_init(struct nv50_disp *disp) +{ + struct nvkm_device *device = disp->base.engine.subdev.device; + struct nvkm_head *head; + u32 tmp; + int i; + + /* The below segments of code copying values from one register to + * another appear to inform EVO of the display capabilities or + * something similar. NFI what the 0x614004 caps are for.. + */ + tmp = nvkm_rd32(device, 0x614004); + nvkm_wr32(device, 0x610184, tmp); + + /* ... CRTC caps */ + list_for_each_entry(head, &disp->base.head, head) { + tmp = nvkm_rd32(device, 0x616100 + (head->id * 0x800)); + nvkm_wr32(device, 0x610190 + (head->id * 0x10), tmp); + tmp = nvkm_rd32(device, 0x616104 + (head->id * 0x800)); + nvkm_wr32(device, 0x610194 + (head->id * 0x10), tmp); + tmp = nvkm_rd32(device, 0x616108 + (head->id * 0x800)); + nvkm_wr32(device, 0x610198 + (head->id * 0x10), tmp); + tmp = nvkm_rd32(device, 0x61610c + (head->id * 0x800)); + nvkm_wr32(device, 0x61019c + (head->id * 0x10), tmp); + } + + /* ... DAC caps */ + for (i = 0; i < disp->dac.nr; i++) { + tmp = nvkm_rd32(device, 0x61a000 + (i * 0x800)); + nvkm_wr32(device, 0x6101d0 + (i * 0x04), tmp); + } + + /* ... SOR caps */ + for (i = 0; i < disp->sor.nr; i++) { + tmp = nvkm_rd32(device, 0x61c000 + (i * 0x800)); + nvkm_wr32(device, 0x6101e0 + (i * 0x04), tmp); + } + + /* ... PIOR caps */ + for (i = 0; i < disp->pior.nr; i++) { + tmp = nvkm_rd32(device, 0x61e000 + (i * 0x800)); + nvkm_wr32(device, 0x6101f0 + (i * 0x04), tmp); + } + + /* steal display away from vbios, or something like that */ + if (nvkm_rd32(device, 0x610024) & 0x00000100) { + nvkm_wr32(device, 0x610024, 0x00000100); + nvkm_mask(device, 0x6194e8, 0x00000001, 0x00000000); + if (nvkm_msec(device, 2000, + if (!(nvkm_rd32(device, 0x6194e8) & 0x00000002)) + break; + ) < 0) + return -EBUSY; + } + + /* point at display engine memory area (hash table, objects) */ + nvkm_wr32(device, 0x610010, (disp->inst->addr >> 8) | 9); + + /* enable supervisor interrupts, disable everything else */ + nvkm_wr32(device, 0x61002c, 0x00000370); + nvkm_wr32(device, 0x610028, 0x00000000); + return 0; +} + static const struct nv50_disp_func nv50_disp = { + .init = nv50_disp_init, + .fini = nv50_disp_fini, .intr = nv50_disp_intr, .uevent = &nv50_disp_chan_uevent, .super = nv50_disp_super, .root = &nv50_disp_root_oclass, - .head.new = nv50_head_new, - .dac = { .nr = 3, .new = nv50_dac_new }, - .sor = { .nr = 2, .new = nv50_sor_new }, - .pior = { .nr = 3, .new = nv50_pior_new }, + .head = { .cnt = nv50_head_cnt, .new = nv50_head_new }, + .dac = { .cnt = nv50_dac_cnt, .new = nv50_dac_new }, + .sor = { .cnt = nv50_sor_cnt, .new = nv50_sor_new }, + .pior = { .cnt = nv50_pior_cnt, .new = nv50_pior_new }, }; int nv50_disp_new(struct nvkm_device *device, int index, struct nvkm_disp **pdisp) { - return nv50_disp_new_(&nv50_disp, device, index, 2, pdisp); + return nv50_disp_new_(&nv50_disp, device, index, pdisp); } |