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@xxxxxxx>
---
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);
--
2.16.2
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