diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_display.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_display.c | 133 |
1 files changed, 119 insertions, 14 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c index 25ea82f8def..24011596af4 100644 --- a/drivers/gpu/drm/nouveau/nouveau_display.c +++ b/drivers/gpu/drm/nouveau/nouveau_display.c @@ -68,20 +68,100 @@ nouveau_display_vblank_disable(struct drm_device *dev, int head) nouveau_event_put(disp->vblank[head]); } +static inline int +calc(int blanks, int blanke, int total, int line) +{ + if (blanke >= blanks) { + if (line >= blanks) + line -= total; + } else { + if (line >= blanks) + line -= total; + line -= blanke + 1; + } + return line; +} + +int +nouveau_display_scanoutpos_head(struct drm_crtc *crtc, int *vpos, int *hpos, + ktime_t *stime, ktime_t *etime) +{ + const u32 mthd = NV04_DISP_SCANOUTPOS + nouveau_crtc(crtc)->index; + struct nouveau_display *disp = nouveau_display(crtc->dev); + struct nv04_display_scanoutpos args; + int ret, retry = 1; + + do { + ret = nv_exec(disp->core, mthd, &args, sizeof(args)); + if (ret != 0) + return 0; + + if (args.vline) { + ret |= DRM_SCANOUTPOS_ACCURATE; + ret |= DRM_SCANOUTPOS_VALID; + break; + } + + if (retry) ndelay(crtc->linedur_ns); + } while (retry--); + + *hpos = calc(args.hblanks, args.hblanke, args.htotal, args.hline); + *vpos = calc(args.vblanks, args.vblanke, args.vtotal, args.vline); + if (stime) *stime = ns_to_ktime(args.time[0]); + if (etime) *etime = ns_to_ktime(args.time[1]); + + if (*vpos < 0) + ret |= DRM_SCANOUTPOS_INVBL; + return ret; +} + +int +nouveau_display_scanoutpos(struct drm_device *dev, int head, unsigned int flags, + int *vpos, int *hpos, ktime_t *stime, ktime_t *etime) +{ + struct drm_crtc *crtc; + + list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { + if (nouveau_crtc(crtc)->index == head) { + return nouveau_display_scanoutpos_head(crtc, vpos, hpos, + stime, etime); + } + } + + return 0; +} + +int +nouveau_display_vblstamp(struct drm_device *dev, int head, int *max_error, + struct timeval *time, unsigned flags) +{ + struct drm_crtc *crtc; + + list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { + if (nouveau_crtc(crtc)->index == head) { + return drm_calc_vbltimestamp_from_scanoutpos(dev, + head, max_error, time, flags, crtc, + &crtc->hwmode); + } + } + + return -EINVAL; +} + static void nouveau_display_vblank_fini(struct drm_device *dev) { struct nouveau_display *disp = nouveau_display(dev); int i; + drm_vblank_cleanup(dev); + if (disp->vblank) { for (i = 0; i < dev->mode_config.num_crtc; i++) nouveau_event_ref(NULL, &disp->vblank[i]); kfree(disp->vblank); disp->vblank = NULL; } - - drm_vblank_cleanup(dev); } static int @@ -407,10 +487,31 @@ nouveau_display_create(struct drm_device *dev) drm_kms_helper_poll_disable(dev); if (drm->vbios.dcb.entries) { - if (nv_device(drm->device)->card_type < NV_50) - ret = nv04_display_create(dev); - else - ret = nv50_display_create(dev); + static const u16 oclass[] = { + NVF0_DISP_CLASS, + NVE0_DISP_CLASS, + NVD0_DISP_CLASS, + NVA3_DISP_CLASS, + NV94_DISP_CLASS, + NVA0_DISP_CLASS, + NV84_DISP_CLASS, + NV50_DISP_CLASS, + NV04_DISP_CLASS, + }; + int i; + + for (i = 0, ret = -ENODEV; ret && i < ARRAY_SIZE(oclass); i++) { + ret = nouveau_object_new(nv_object(drm), NVDRM_DEVICE, + NVDRM_DISPLAY, oclass[i], + NULL, 0, &disp->core); + } + + if (ret == 0) { + if (nv_mclass(disp->core) < NV50_DISP_CLASS) + ret = nv04_display_create(dev); + else + ret = nv50_display_create(dev); + } } else { ret = 0; } @@ -439,6 +540,7 @@ void nouveau_display_destroy(struct drm_device *dev) { struct nouveau_display *disp = nouveau_display(dev); + struct nouveau_drm *drm = nouveau_drm(dev); nouveau_backlight_exit(dev); nouveau_display_vblank_fini(dev); @@ -449,6 +551,8 @@ nouveau_display_destroy(struct drm_device *dev) if (disp->dtor) disp->dtor(dev); + nouveau_object_del(nv_object(drm), NVDRM_DEVICE, NVDRM_DISPLAY); + nouveau_drm(dev)->display = NULL; kfree(disp); } @@ -603,6 +707,14 @@ nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb, if (!s) return -ENOMEM; + if (new_bo != old_bo) { + ret = nouveau_bo_pin(new_bo, TTM_PL_FLAG_VRAM); + if (ret) + goto fail_free; + } + + mutex_lock(&chan->cli->mutex); + /* synchronise rendering channel with the kernel's channel */ spin_lock(&new_bo->bo.bdev->fence_lock); fence = nouveau_fence_ref(new_bo->bo.sync_obj); @@ -610,15 +722,8 @@ nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb, ret = nouveau_fence_sync(fence, chan); nouveau_fence_unref(&fence); if (ret) - goto fail_free; - - if (new_bo != old_bo) { - ret = nouveau_bo_pin(new_bo, TTM_PL_FLAG_VRAM); - if (ret) - goto fail_free; - } + goto fail_unpin; - mutex_lock(&chan->cli->mutex); ret = ttm_bo_reserve(&old_bo->bo, true, false, false, NULL); if (ret) goto fail_unpin; |