target/linux/bcm27xx/patches-4.19/950-0531-drm-vc4-Increase-max_width-height-to-7680.patch

   1 From b4ed0c4f55542b642f16ee6376b69968d6bafc3b Mon Sep 17 00:00:00 2001
   2 From: Dave Stevenson <dave.stevenson@raspberrypi.org>
   3 Date: Mon, 29 Apr 2019 18:45:00 +0100
   4 Subject: [PATCH] drm: vc4: Increase max_width/height to 7680.
   5
   6 There are some limits still being investigated that stop
   7 us going up to 8192, but 7680 is sufficient for dual 4k
   8 displays.
   9
  10 Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
  11 ---
  12  drivers/gpu/drm/vc4/vc4_kms.c | 4 ++--
  13  1 file changed, 2 insertions(+), 2 deletions(-)
  14
  15 --- a/drivers/gpu/drm/vc4/vc4_kms.c
  16 +++ b/drivers/gpu/drm/vc4/vc4_kms.c
  17 @@ -429,8 +429,8 @@ int vc4_kms_load(struct drm_device *dev)
  18                 return ret;
  19         }
  20
  21 -       dev->mode_config.max_width = 4096;
  22 -       dev->mode_config.max_height = 4096;
  23 +       dev->mode_config.max_width = 7680;
  24 +       dev->mode_config.max_height = 7680;
  25         dev->mode_config.funcs = &vc4_mode_funcs;
  26         dev->mode_config.preferred_depth = 24;
  27         dev->mode_config.async_page_flip = true;