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: Liviu Dudau liviu.dudau@arm.com --- drivers/gpu/drm/arm/malidp_planes.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/arm/malidp_planes.c b/drivers/gpu/drm/arm/malidp_planes.c index 9d5039f0f84e..651bd10557e0 100644 --- a/drivers/gpu/drm/arm/malidp_planes.c +++ b/drivers/gpu/drm/arm/malidp_planes.c @@ -159,8 +159,14 @@ static int malidp_se_check_scaling(struct malidp_plane *mp, if (ret) return ret;

- src_w = state->src_w >> 16; - src_h = state->src_h >> 16; + 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);