On Fri, Mar 17, 2017 at 11:18:03PM +0200, [email protected] wrote:
> From: Ville Syrjälä <[email protected]>
>
> Extract the primary plane surfae offset/x/y calculations for
> pre-SKL platforms into a common function, and call it during the
> atomic check phase to reduce the amount of stuff we have to do
> during the commit phase. SKL is already doing this.
>
> Signed-off-by: Ville Syrjälä <[email protected]>
> ---
> drivers/gpu/drm/i915/intel_display.c | 82
> ++++++++++++++++++++++--------------
> 1 file changed, 50 insertions(+), 32 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_display.c
> b/drivers/gpu/drm/i915/intel_display.c
> index 2e0106a11f8f..024614cb47b6 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -3026,6 +3026,43 @@ static u32 i9xx_plane_ctl(const struct
> intel_crtc_state *crtc_state,
> return dspcntr;
> }
>
> +static int i9xx_check_plane_surface(struct intel_plane_state *plane_state)
> +{
> + struct drm_i915_private *dev_priv =
> + to_i915(plane_state->base.plane->dev);
> + int src_x = plane_state->base.src.x1 >> 16;
> + int src_y = plane_state->base.src.y1 >> 16;
> + u32 offset;
> +
> + intel_add_fb_offsets(&src_x, &src_y, plane_state, 0);
> +
> + if (INTEL_GEN(dev_priv) >= 4)
> + offset = intel_compute_tile_offset(&src_x, &src_y,
> + plane_state, 0);
> + else
> + offset = 0;
> +
> + /* HSW+ does this automagically in hardware */
> + if (!IS_HASWELL(dev_priv) && !IS_BROADWELL(dev_priv)) {
if (INTEL_GEN() <= 7 && !IS_HASWELL()) {
would match the comment better.
> + unsigned int rotation = plane_state->base.rotation;
> + int src_w = drm_rect_width(&plane_state->base.src) >> 16;
> + int src_h = drm_rect_height(&plane_state->base.src) >> 16;
> +
> + if (rotation & DRM_ROTATE_180) {
> + src_x += src_w - 1;
> + src_y += src_h - 1;
> + } else if (rotation & DRM_REFLECT_X) {
> + src_x += src_w - 1;
> + }
> + }
> +
> + plane_state->main.offset = offset;
> + plane_state->main.x = src_x;
> + plane_state->main.y = src_y;
plane_state->actual.offset, ->actual.x, ->actual.y ?
plane_state->commit.offset, ->commit.x, ->commit.y ?
Movement looks fine,
Reviewed-by: Chris Wilson <[email protected]>
-Chris
--
Chris Wilson, Intel Open Source Technology Centre
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