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Commit e0521c05 authored by Liviu Dudau's avatar Liviu Dudau
Browse files

drm/mali-dp: Don't enable scaling engine for planes that only rotate. 



Currently the scaling engine gets enabled for a plane where the input
size differs from the composition size. As rotation is done natively
by the plane's hardware layer, we don't need the scaling engine to be
enabled.

Signed-off-by: default avatarLiviu Dudau <liviu.dudau@arm.com>
parent f2f2c85c

drivers/gpu/drm/arm/malidp_planes.c

+8 −2
Original line number Diff line number Diff line
@@ -154,8 +154,14 @@ static int malidp_se_check_scaling(struct malidp_plane *mp, 
	if (ret)

		return ret;



	if (state->rotation & MALIDP_ROTATED_MASK) {

		src_w = state->src_h >> 16;

		src_h = state->src_w >> 16;

	} else {

		src_w = state->src_w >> 16;

		src_h = state->src_h >> 16;

	}



	if ((state->crtc_w == src_w) && (state->crtc_h == src_h)) {

		/* Scaling not necessary for this plane. */

		mc->scaled_planes_mask &= ~(mp->layer->id);