Hi,
On Tue, 25 Feb 2020 at 07:17, Pankaj Bharadiya
<pankaj.laxminarayan.bharadiya@xxxxxxxxx> wrote:
> @@ -415,18 +415,26 @@ skl_program_scaler(struct intel_plane *plane,
> u16 y_vphase, uv_rgb_vphase;
> int hscale, vscale;
> const struct drm_plane_state *state = &plane_state->uapi;
> + u32 src_w = drm_rect_width(&plane_state->uapi.src) >> 16;
> + u32 src_h = drm_rect_height(&plane_state->uapi.src) >> 16;
> u32 scaling_filter = PS_FILTER_MEDIUM;
> + struct drm_rect dst;
>
> if (state->scaling_filter == DRM_SCALING_FILTER_NEAREST_NEIGHBOR) {
> scaling_filter = PS_FILTER_PROGRAMMED;
> + skl_setup_nearest_neighbor_filter(dev_priv, pipe, scaler_id);
> +
> + /* Make the scaling window size to integer multiple of source
> + * TODO: Should userspace take desision to round scaling window
> + * to integer multiple?
> + */
> + crtc_w = rounddown(crtc_w, src_w);
> + crtc_h = rounddown(crtc_h, src_h);
The kernel should absolutely not be changing the co-ordinates that
userspace requested.
Cheers,
Daniel
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