[PATCH 4.12 24/31] drm/vmwgfx: Limit max desktop dimensions to 8Kx8K

Greg Kroah-Hartman
2017-08-03T23:18:25Z

From: Sinclair Yeh <syeh@vmware.com>

commit 7b009e76797c82178d7a03ae0eaad5951d975277 upstream.

This was originally chosen to be an arbitrarily large number. However,
some user mode may actually try to set a 16Kx16K mode and run into other
issues.

Since 8Kx8K is the current texture limit for Mesa LLVM driver, we will
just use this limit for now.

Signed-off-by: Sinclair Yeh <syeh@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c
@@ -1640,8 +1640,8 @@ int vmw_kms_stdu_init_display(struct vmw
* something arbitrarily large and we will reject any layout
* that doesn't fit prim_bb_mem later
*/
- dev->mode_config.max_width = 16384;
- dev->mode_config.max_height = 16384;
+ dev->mode_config.max_width = 8192;
+ dev->mode_config.max_height = 8192;
}

vmw_kms_create_implicit_placement_property(dev_priv, false);