From d29da5d8cd43e316bac8428c1b23a28016a1a9c4 Mon Sep 17 00:00:00 2001 From: "james qian wang (Arm Technology China)" Date: Tue, 22 Jan 2019 11:11:35 +0000 Subject: [PATCH] drm/komeda: Add komeda_crtc_funcs Added functions: - komeda_crtc_reset - komeda_crtc_vblank_enable - komeda_crtc_vblank_disable Signed-off-by: James Qian Wang (Arm Technology China) Signed-off-by: Liviu Dudau --- drivers/gpu/drm/arm/display/komeda/komeda_crtc.c | 48 ++++++++++++++++++++++++ 1 file changed, 48 insertions(+) diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_crtc.c b/drivers/gpu/drm/arm/display/komeda/komeda_crtc.c index 015ae217ebc3..053b1e3e74be 100644 --- a/drivers/gpu/drm/arm/display/komeda/komeda_crtc.c +++ b/drivers/gpu/drm/arm/display/komeda/komeda_crtc.c @@ -351,6 +351,47 @@ struct drm_crtc_helper_funcs komeda_crtc_helper_funcs = { .mode_fixup = komeda_crtc_mode_fixup, }; +static void komeda_crtc_reset(struct drm_crtc *crtc) +{ + struct komeda_crtc_state *state; + + if (crtc->state) + __drm_atomic_helper_crtc_destroy_state(crtc->state); + + kfree(to_kcrtc_st(crtc->state)); + crtc->state = NULL; + + state = kzalloc(sizeof(*state), GFP_KERNEL); + if (state) { + crtc->state = &state->base; + crtc->state->crtc = crtc; + } +} + +static struct drm_crtc_state * +komeda_crtc_atomic_duplicate_state(struct drm_crtc *crtc) +{ + struct komeda_crtc_state *old = to_kcrtc_st(crtc->state); + struct komeda_crtc_state *new; + + new = kzalloc(sizeof(*new), GFP_KERNEL); + if (!new) + return NULL; + + __drm_atomic_helper_crtc_duplicate_state(crtc, &new->base); + + new->affected_pipes = old->active_pipes; + + return &new->base; +} + +static void komeda_crtc_atomic_destroy_state(struct drm_crtc *crtc, + struct drm_crtc_state *state) +{ + __drm_atomic_helper_crtc_destroy_state(state); + kfree(to_kcrtc_st(state)); +} + static int komeda_crtc_vblank_enable(struct drm_crtc *crtc) { struct komeda_dev *mdev = crtc->dev->dev_private; @@ -369,6 +410,13 @@ static void komeda_crtc_vblank_disable(struct drm_crtc *crtc) } static const struct drm_crtc_funcs komeda_crtc_funcs = { + .gamma_set = drm_atomic_helper_legacy_gamma_set, + .destroy = drm_crtc_cleanup, + .set_config = drm_atomic_helper_set_config, + .page_flip = drm_atomic_helper_page_flip, + .reset = komeda_crtc_reset, + .atomic_duplicate_state = komeda_crtc_atomic_duplicate_state, + .atomic_destroy_state = komeda_crtc_atomic_destroy_state, .enable_vblank = komeda_crtc_vblank_enable, .disable_vblank = komeda_crtc_vblank_disable, }; -- 2.11.0