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path: root/drivers/gpu/drm/nouveau/nouveau_display.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_display.c')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_display.c133
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 25ea82f8def3..24011596af43 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;