From: Tomi Valkeinen <tomi.valkeinen@ti.com>
Date: Wed, 10 Jan 2018 11:31:18 +0200
Subject: drm/omap: fix maximum sizes
Git-commit: 1915d7fa93397b3dc8bf9c6973d8662c0a661daf
Patch-mainline: v4.17-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166

We define max width and height in mode_config to 2048. These maximums
affect many things, which are independent and depend on platform. We
need to do more fine grained checks in the code paths for each
component, and so the maximum values in mode_config should just be "big
enough" to cover all use cases.

Change the maximum width & height to 8192.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
 drivers/gpu/drm/omapdrm/omap_drv.c |   11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

--- a/drivers/gpu/drm/omapdrm/omap_drv.c
+++ b/drivers/gpu/drm/omapdrm/omap_drv.c
@@ -310,11 +310,14 @@ static int omap_modeset_init(struct drm_
 	dev->mode_config.min_width = 8;
 	dev->mode_config.min_height = 2;
 
-	/* note: eventually will need some cpu_is_omapXYZ() type stuff here
-	 * to fill in these limits properly on different OMAP generations..
+	/*
+	 * Note: these values are used for multiple independent things:
+	 * connector mode filtering, buffer sizes, crtc sizes...
+	 * Use big enough values here to cover all use cases, and do more
+	 * specific checking in the respective code paths.
 	 */
-	dev->mode_config.max_width = 2048;
-	dev->mode_config.max_height = 2048;
+	dev->mode_config.max_width = 8192;
+	dev->mode_config.max_height = 8192;
 
 	dev->mode_config.funcs = &omap_mode_config_funcs;
 	dev->mode_config.helper_private = &omap_mode_config_helper_funcs;