linux-kernel - [PATCH] drm/meson: fix max mode

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Message-Id: <1538642563-22465-1-git-send-email-narmstrong@baylibre.com>
Date:   Thu,  4 Oct 2018 10:42:43 +0200
From:   Neil Armstrong <narmstrong@...libre.com>
To:     dri-devel@...ts.freedesktop.org
Cc:     Neil Armstrong <narmstrong@...libre.com>,
        linux-amlogic@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH] drm/meson: fix max mode_config height/width

The mode_config max_width/max_height determines the maximum framebuffer
size the pixel reader can handle. But the values were set thinking they
were determining the maximum screen dimensions.

This patch changes the values to the maximum height/width the CANVAS block
can handle rounded to some coherent values.

Fixes: a41e82e6c457 ("drm/meson: Add support for components")
Signed-off-by: Neil Armstrong <narmstrong@...libre.com>
---
 drivers/gpu/drm/meson/meson_drv.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/meson/meson_drv.c b/drivers/gpu/drm/meson/meson_drv.c
index d344312..2e29968 100644
--- a/drivers/gpu/drm/meson/meson_drv.c
+++ b/drivers/gpu/drm/meson/meson_drv.c
@@ -243,8 +243,8 @@ static int meson_drv_bind_master(struct device *dev, bool has_components)
 		goto free_drm;
 
 	drm_mode_config_init(drm);
-	drm->mode_config.max_width = 3840;
-	drm->mode_config.max_height = 2160;
+	drm->mode_config.max_width = 16384;
+	drm->mode_config.max_height = 8192;
 	drm->mode_config.funcs = &meson_mode_config_funcs;
 
 	/* Hardware Initialization */
-- 
2.7.4