diff options
Diffstat (limited to 'drivers/gpu/drm/rcar-du/rcar_du_kms.c')
| -rw-r--r-- | drivers/gpu/drm/rcar-du/rcar_du_kms.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms.c b/drivers/gpu/drm/rcar-du/rcar_du_kms.c index 2106b29664ef..a69d6075ceae 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_kms.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_kms.c @@ -217,17 +217,25 @@ static void rcar_du_output_poll_changed(struct drm_device *dev) */ static bool rcar_du_plane_needs_realloc(struct rcar_du_plane *plane, - struct rcar_du_plane_state *state) + struct rcar_du_plane_state *new_state) { - const struct rcar_du_format_info *cur_format; + struct rcar_du_plane_state *cur_state; - cur_format = to_rcar_plane_state(plane->plane.state)->format; + cur_state = to_rcar_plane_state(plane->plane.state); /* Lowering the number of planes doesn't strictly require reallocation * as the extra hardware plane will be freed when committing, but doing * so could lead to more fragmentation. */ - return !cur_format || cur_format->planes != state->format->planes; + if (!cur_state->format || + cur_state->format->planes != new_state->format->planes) + return true; + + /* Reallocate hardware planes if the source has changed. */ + if (cur_state->source != new_state->source) + return true; + + return false; } static unsigned int rcar_du_plane_hwmask(struct rcar_du_plane_state *state) |