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authorBoris Brezillon <boris.brezillon@free-electrons.com>2016-05-27 16:09:25 +0200
committerBoris Brezillon <boris.brezillon@free-electrons.com>2016-06-21 14:15:11 +0200
commit1b7e38b92b0bbd363369f5160f13f4d26140972d (patch)
tree5ba8b7ab83751ce74c0fa6d0e1359c92acbaae2b /drivers/gpu/drm/atmel-hlcdc
parent58a2ab3af722550b2e4e8155eb08660e16c20ee6 (diff)
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 <boris.brezillon@free-electrons.com> Reported-by: Alex Vazquez <avazquez.dev@gmail.com> Reviewed-by: Nicolas Ferre <nicolas.ferre@atmel.com> Fixes: 1a396789f65a ("drm: add Atmel HLCDC Display Controller support") Cc: <stable@vger.kernel.org>
Diffstat (limited to 'drivers/gpu/drm/atmel-hlcdc')
-rw-r--r--drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
index aef3ca8a81fa..016c191221f3 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);
}
}