diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2014-08-14 17:38:49 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2014-08-14 17:38:49 +0100 |
| commit | 3bb9311e5de8bb39423397213d3de0e0ec4fcbd5 (patch) | |
| tree | beedbaaaa7fd9b56a3857390965833b9a25e7b9e /src/sna/sna_display.c | |
| parent | 0f1280bab9c99b15ba835a0094d8b849846d13f6 (diff) | |
sna: Use a shadow buffer for linear framebuffer
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'src/sna/sna_display.c')
| -rw-r--r-- | src/sna/sna_display.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/src/sna/sna_display.c b/src/sna/sna_display.c index 7ed31305..c5580a18 100644 --- a/src/sna/sna_display.c +++ b/src/sna/sna_display.c @@ -1700,11 +1700,18 @@ static bool use_shadow(struct sna *sna, xf86CrtcPtr crtc) pitch_limit = priv->gpu_bo->tiling ? 8 * 1024 : 16 * 1024; else pitch_limit = 8 * 1024; + DBG(("%s: gpu bo handle=%d tiling=%d pitch=%d, limit=%d\n", __FUNCTION__, priv->gpu_bo->handle, priv->gpu_bo->tiling, priv->gpu_bo->pitch, pitch_limit)); if (priv->gpu_bo->pitch > pitch_limit) return true; - if (priv->gpu_bo->tiling && sna->flags & SNA_LINEAR_FB) + if (priv->gpu_bo->tiling && sna->flags & SNA_LINEAR_FB) { + DBG(("%s: gpu bo is tiled, needlinear, forcing shadow\n", __FUNCTION__)); return true; + } + if (!priv->gpu_bo->tiling && !(sna->flags & SNA_LINEAR_FB)) { + DBG(("%s: gpu bo is linear, forcing shadow\n", __FUNCTION__)); + return true; + } transform = NULL; if (crtc->transformPresent) @@ -1837,8 +1844,10 @@ static struct kgem_bo *sna_crtc_attach(xf86CrtcPtr crtc) } else { DBG(("%s: attaching to framebuffer\n", __FUNCTION__)); bo = sna_pixmap_pin(sna->front, PIN_SCANOUT); - if (bo == NULL) + if (bo == NULL) { + DBG(("%s: failed to pin framebuffer\n", __FUNCTION__)); return NULL; + } if (!get_fb(sna, bo, scrn->virtualX, scrn->virtualY)) return NULL; |