Now also comes with the added benefit of doing a drm_crtc_vblank_off(), which means vblank state isn't ill-defined and fail-y at driver load before the first modeset on each crtc.
Signed-off-by: Daniel Vetter daniel.vetter@intel.com Cc: Chun-Kuang Hu chunkuang.hu@kernel.org Cc: Philipp Zabel p.zabel@pengutronix.de Cc: Matthias Brugger matthias.bgg@gmail.com Cc: linux-arm-kernel@lists.infradead.org Cc: linux-mediatek@lists.infradead.org --- drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 16 ++++++---------- 1 file changed, 6 insertions(+), 10 deletions(-)
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c index a7dba4ced902..d654c7d514bd 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c @@ -112,19 +112,15 @@ static void mtk_drm_crtc_reset(struct drm_crtc *crtc) { struct mtk_crtc_state *state;
- if (crtc->state) { + if (crtc->state) __drm_atomic_helper_crtc_destroy_state(crtc->state);
- state = to_mtk_crtc_state(crtc->state); - memset(state, 0, sizeof(*state)); - } else { - state = kzalloc(sizeof(*state), GFP_KERNEL); - if (!state) - return; - crtc->state = &state->base; - } + kfree(to_mtk_crtc_state(crtc->state)); + crtc->state = NULL;
- state->base.crtc = crtc; + state = kzalloc(sizeof(*state), GFP_KERNEL); + if (state) + __drm_atomic_helper_crtc_reset(crtc, &state->base); }
static struct drm_crtc_state *mtk_drm_crtc_duplicate_state(struct drm_crtc *crtc)