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Date:   Tue,  3 Dec 2019 23:36:07 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Maxime Ripard <maxime.ripard@...tlin.com>,
        Claudiu Beznea <claudiu.beznea@...rochip.com>,
        Sam Ravnborg <sam@...nborg.org>,
        Lee Jones <lee.jones@...aro.org>
Subject: [PATCH 4.19 301/321] drm/atmel-hlcdc: revert shift by 8

From: Claudiu Beznea <claudiu.beznea@...rochip.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@...tlin.com>
Signed-off-by: Claudiu Beznea <claudiu.beznea@...rochip.com>
Signed-off-by: Sam Ravnborg <sam@...nborg.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@...aro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.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)


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