[PATCH 4/6] drm/ingenic: Don't request full modeset if property is not modified

[Paul Cercueil]

Avoid requesting a full modeset if the sharpness property is not
modified, because then we don't actually need it.

Signed-off-by: Paul Cercueil <p...@crapouillou.net>
---
 drivers/gpu/drm/ingenic/ingenic-ipu.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/ingenic/ingenic-ipu.c 
b/drivers/gpu/drm/ingenic/ingenic-ipu.c
index 32a50935aa6d..d13f58ad4769 100644
--- a/drivers/gpu/drm/ingenic/ingenic-ipu.c
+++ b/drivers/gpu/drm/ingenic/ingenic-ipu.c
@@ -697,10 +697,12 @@ ingenic_ipu_plane_atomic_set_property(struct drm_plane 
*plane,
 {
        struct ingenic_ipu *ipu = plane_to_ingenic_ipu(plane);
        struct drm_crtc_state *crtc_state;
+       bool mode_changed;
 
        if (property != ipu->sharpness_prop)
                return -EINVAL;
 
+       mode_changed = val != ipu->sharpness;
        ipu->sharpness = val;
 
        if (state->crtc) {
@@ -708,7 +710,7 @@ ingenic_ipu_plane_atomic_set_property(struct drm_plane 
*plane,
                if (WARN_ON(!crtc_state))
                        return -EINVAL;
 
-               crtc_state->mode_changed = true;
+               crtc_state->mode_changed |= mode_changed;
        }
 
        return 0;
-- 
2.35.1