Quoting Chris Wilson (2021-02-09 09:22:09)
> Quoting Ville Syrjala (2021-02-09 02:19:16)
> > + while ((src_x + src_w) * cpp >
> > plane_state->color_plane[0].stride) {
> > + if (offset == 0) {
> > + drm_dbg_kms(&dev_priv->drm,
> > + "Unable to find suitable
> > display surface offset due to X-tiling\n");
> > + return -EINVAL;
> > + }
> > +
> > + offset = intel_plane_adjust_aligned_offset(&src_x,
> > &src_y, plane_state, 0,
> > + offset,
> > offset - alignment);
> The reason for choosing a nearby tile offset was to reduce src_x/src_y
> to fit within the crtc limits. While remapping could be used to solve
> that, the aligned_offset computation allows reuse of a single view.
Should there not be a second constraint on the loop to make sure src_x +
src_w is less than 4095/8191/etc?
-Chris
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