From: Alexandru Gheorghe Date: Sat, 4 Aug 2018 16:15:28 +0000 (+0100) Subject: drm/sun4i: Use __drm_atomic_helper_plane_reset instead of copying the logic X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=60252323ec9c36392d0ae83f26a6a436bb597606;p=android-x86%2Fkernel.git drm/sun4i: Use __drm_atomic_helper_plane_reset instead of copying the logic A new helper function(__drm_atomic_helper_plane_reset) has been added for linking a plane with its state and resetting the core properties(alpha, rotation, etc.) to their default values. Use that instead of duplicating the logic. __drm_atomic_helper_plane_reset initializes the alpha property to its max value, which is defined by the drm core as DRM_BLEND_ALPHA_OPAQUE, so nothing changes regarding the alpha value. Acked-by: Maxime Ripard Signed-off-by: Alexandru Gheorghe Link: https://patchwork.freedesktop.org/patch/msgid/20180804161530.12275-9-alexandru-cosmin.gheorghe@arm.com --- diff --git a/drivers/gpu/drm/sun4i/sun4i_layer.c b/drivers/gpu/drm/sun4i/sun4i_layer.c index 750ad24de1d7..78f77af8805a 100644 --- a/drivers/gpu/drm/sun4i/sun4i_layer.c +++ b/drivers/gpu/drm/sun4i/sun4i_layer.c @@ -35,9 +35,7 @@ static void sun4i_backend_layer_reset(struct drm_plane *plane) state = kzalloc(sizeof(*state), GFP_KERNEL); if (state) { - plane->state = &state->state; - plane->state->plane = plane; - plane->state->alpha = DRM_BLEND_ALPHA_OPAQUE; + __drm_atomic_helper_plane_reset(plane, &state->state); plane->state->zpos = layer->id; } }