drm/vkms/vkms_composer: Fix a few different kerneldoc formatting

Fixes the following W=1 kernel build warning(s):

 drivers/gpu/drm/vkms/vkms_composer.c:41: warning: Function parameter or member 'frame_info' not described in 'pre_mul_alpha_blend'
 drivers/gpu/drm/vkms/vkms_composer.c:41: warning: Excess function parameter 'src_frame_info' description in 'pre_mul_alpha_blend'
 drivers/gpu/drm/vkms/vkms_composer.c:72: warning: Cannot understand  * @wb_frame_info: The writeback frame buffer metadata

Cc: Rodrigo Siqueira <rodrigosiqueiramelo@gmail.com>
Cc: Melissa Wen <melissa.srw@gmail.com>
Cc: Haneen Mohammed <hamohammed.sa@gmail.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: David Airlie <airlied@gmail.com>
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Lee Jones <lee@kernel.org>
1 file changed