[PATCH] drm: atmel-hlcdc: actually disable scaling when no scaling is required

The driver is only enabling scaling, but never disabling it, thus, if you
enable the scaling feature once it stays enabled forever.

Signed-off-by: Boris Brezillon <redacted>
Reported-by: Alex Vazquez <redacted>
Fixes: 1a396789f65a ("drm: add Atmel HLCDC Display Controller support")
Cc: <redacted>
---
 drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
index aef3ca8..016c191 100644
--- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
+++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c

@@ -339,6 +339,8 @@ atmel_hlcdc_plane_update_pos_and_size(struct atmel_hlcdc_plane *plane,
 
 		atmel_hlcdc_layer_update_cfg(&plane->layer, 13, 0xffffffff,
 					     factor_reg);
+	} else {
+		atmel_hlcdc_layer_update_cfg(&plane->layer, 13, 0xffffffff, 0);
 	}
 }
 

-- 
2.7.4

Le 01/06/2016 13:42, Boris Brezillon a ?crit :

The driver is only enabling scaling, but never disabling it, thus, if you
enable the scaling feature once it stays enabled forever.

Signed-off-by: Boris Brezillon <redacted>
Reported-by: Alex Vazquez <redacted>
Fixes: 1a396789f65a ("drm: add Atmel HLCDC Display Controller support")
Cc: <redacted>

Reviewed-by: Nicolas Ferre <redacted>

Thanks!

-- 
Nicolas Ferre