[PATCH 4.19 301/321] drm/atmel-hlcdc: revert shift by 8

Greg Kroah-Hartman
2019-12-03T22:59:40Z

From: Claudiu Beznea <claudiu.beznea@microchip.com>

commit cbb32079149dbf557fa3f7bab8fa3c5fec857da7 upstream.

Revert shift by 8 of state->base.alpha. This introduced a
regression on planes.

Fixes: 7f73c10b256b ("drm/atmel-hclcdc: Convert to the new generic alpha property")
Cc: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/1556195748-11106-7-git-send-email-claudiu.beznea@microchip.com
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
+++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
@@ -382,7 +382,7 @@ atmel_hlcdc_plane_update_general_setting
cfg |= ATMEL_HLCDC_LAYER_LAEN;
else
cfg |= ATMEL_HLCDC_LAYER_GAEN |
- ATMEL_HLCDC_LAYER_GA(state->base.alpha >> 8);
+ ATMEL_HLCDC_LAYER_GA(state->base.alpha);
}

if (state->disc_h && state->disc_w)