linux-kernel - [PATCH] drm: tilcdc: reduce max

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Message-Id: <1479748590-3962-2-git-send-email-bgolaszewski@baylibre.com>
Date:   Mon, 21 Nov 2016 18:16:30 +0100
From:   Bartosz Golaszewski <bgolaszewski@...libre.com>
To:     Jyri Sarha <jsarha@...com>, Tomi Valkeinen <tomi.valkeinen@...com>,
        David Airlie <airlied@...ux.ie>,
        Kevin Hilman <khilman@...libre.com>,
        Michael Turquette <mturquette@...libre.com>,
        Sekhar Nori <nsekhar@...com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        linux-drm <dri-devel@...ts.freedesktop.org>,
        Peter Ujfalusi <peter.ujfalusi@...com>,
        arm-soc <linux-arm-kernel@...ts.infradead.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>
Subject: [PATCH] drm: tilcdc: reduce max_width for revision 1

It has been determined that the highest resolution supported correctly
by LCDC rev1 is 800x600. Reduce the max_width value for rev1 to 800 in
crtc_max_width().

Signed-off-by: Bartosz Golaszewski <bgolaszewski@...libre.com>
---
 drivers/gpu/drm/tilcdc/tilcdc_crtc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
index dfe3dd0..9081de5 100644
--- a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
+++ b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
@@ -683,7 +683,7 @@ int tilcdc_crtc_max_width(struct drm_crtc *crtc)
 	int max_width = 0;
 
 	if (priv->rev == 1)
-		max_width = 1024;
+		max_width = 800;
 	else if (priv->rev == 2)
 		max_width = 2048;
 
-- 
2.9.3