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    Subject[PATCH 4.12 24/31] drm/vmwgfx: Limit max desktop dimensions to 8Kx8K
    Date
    4.12-stable review patch.  If anyone has any objections, please let me know.

    ------------------

    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);

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