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

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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: 1a396789f6 ("drm: add Atmel HLCDC Display Controller support")
Cc: <stable@vger.kernel.org>
This commit is contained in:
Boris Brezillon 2016-05-27 16:09:25 +02:00
parent 58a2ab3af7
commit 1b7e38b92b
1 changed files with 2 additions and 0 deletions
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2
drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
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@ -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);
}
}