![Dave Airlie](/assets/img/avatar_default.png)
-----BEGIN PGP SIGNATURE----- iQEcBAABAgAGBQJY2C9qAAoJEHm+PkMAQRiGaBQIAIGzdlZ6ImiP6zoukrRv7qUr 44ITm0lsBiL85QGedhQQL+Y9UqwUmlqgFqnH0Gr8YHNbLJWXzdjGbl5aVo4KjASq 104NLUDXtPww/xZdH4wJMzhuwucYwZOUyDOjOr0ak3cGxOE2xjNjHMZXxWUf20GO EpRr6WhV1DUAvAdjdNa9KlcOjMluNpMLLyL1CFLjrkkArrWAyqOURKHAb6ZLghfv iZV1qJTVPyYGpnlI3kuEgu2GuDjxqpoNLSr3wHyEHm/pBPEl7MX6zPbzcegBV8TY cRRlXo4notdsuknmSNcj0hHuTQvw1kl7BhieLKVsnCyCIM6jjX4TSQZFutmbzwM= =5iRl -----END PGP SIGNATURE----- Backmerge tag 'v4.11-rc4' into drm-next Linux 4.11-rc4 The i915 GVT team need the rc4 code to base some more code on.
217 lines
5.6 KiB
C
217 lines
5.6 KiB
C
/* exynos_drm_crtc.c
|
|
*
|
|
* Copyright (c) 2011 Samsung Electronics Co., Ltd.
|
|
* Authors:
|
|
* Inki Dae <inki.dae@samsung.com>
|
|
* Joonyoung Shim <jy0922.shim@samsung.com>
|
|
* Seung-Woo Kim <sw0312.kim@samsung.com>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License as published by the
|
|
* Free Software Foundation; either version 2 of the License, or (at your
|
|
* option) any later version.
|
|
*/
|
|
|
|
#include <drm/drmP.h>
|
|
#include <drm/drm_crtc_helper.h>
|
|
#include <drm/drm_atomic.h>
|
|
#include <drm/drm_atomic_helper.h>
|
|
|
|
#include "exynos_drm_crtc.h"
|
|
#include "exynos_drm_drv.h"
|
|
#include "exynos_drm_plane.h"
|
|
|
|
static void exynos_drm_crtc_enable(struct drm_crtc *crtc)
|
|
{
|
|
struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
|
|
|
|
if (exynos_crtc->ops->enable)
|
|
exynos_crtc->ops->enable(exynos_crtc);
|
|
|
|
drm_crtc_vblank_on(crtc);
|
|
}
|
|
|
|
static void exynos_drm_crtc_disable(struct drm_crtc *crtc)
|
|
{
|
|
struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
|
|
|
|
drm_crtc_vblank_off(crtc);
|
|
|
|
if (exynos_crtc->ops->disable)
|
|
exynos_crtc->ops->disable(exynos_crtc);
|
|
|
|
if (crtc->state->event && !crtc->state->active) {
|
|
spin_lock_irq(&crtc->dev->event_lock);
|
|
drm_crtc_send_vblank_event(crtc, crtc->state->event);
|
|
spin_unlock_irq(&crtc->dev->event_lock);
|
|
|
|
crtc->state->event = NULL;
|
|
}
|
|
}
|
|
|
|
static void
|
|
exynos_drm_crtc_mode_set_nofb(struct drm_crtc *crtc)
|
|
{
|
|
struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
|
|
|
|
if (exynos_crtc->ops->commit)
|
|
exynos_crtc->ops->commit(exynos_crtc);
|
|
}
|
|
|
|
static int exynos_crtc_atomic_check(struct drm_crtc *crtc,
|
|
struct drm_crtc_state *state)
|
|
{
|
|
struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
|
|
|
|
if (!state->enable)
|
|
return 0;
|
|
|
|
if (exynos_crtc->ops->atomic_check)
|
|
return exynos_crtc->ops->atomic_check(exynos_crtc, state);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void exynos_crtc_atomic_begin(struct drm_crtc *crtc,
|
|
struct drm_crtc_state *old_crtc_state)
|
|
{
|
|
struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
|
|
|
|
if (exynos_crtc->ops->atomic_begin)
|
|
exynos_crtc->ops->atomic_begin(exynos_crtc);
|
|
}
|
|
|
|
static void exynos_crtc_atomic_flush(struct drm_crtc *crtc,
|
|
struct drm_crtc_state *old_crtc_state)
|
|
{
|
|
struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
|
|
|
|
if (exynos_crtc->ops->atomic_flush)
|
|
exynos_crtc->ops->atomic_flush(exynos_crtc);
|
|
}
|
|
|
|
static const struct drm_crtc_helper_funcs exynos_crtc_helper_funcs = {
|
|
.enable = exynos_drm_crtc_enable,
|
|
.disable = exynos_drm_crtc_disable,
|
|
.mode_set_nofb = exynos_drm_crtc_mode_set_nofb,
|
|
.atomic_check = exynos_crtc_atomic_check,
|
|
.atomic_begin = exynos_crtc_atomic_begin,
|
|
.atomic_flush = exynos_crtc_atomic_flush,
|
|
};
|
|
|
|
void exynos_crtc_handle_event(struct exynos_drm_crtc *exynos_crtc)
|
|
{
|
|
struct drm_crtc *crtc = &exynos_crtc->base;
|
|
struct drm_pending_vblank_event *event = crtc->state->event;
|
|
unsigned long flags;
|
|
|
|
if (event) {
|
|
crtc->state->event = NULL;
|
|
spin_lock_irqsave(&crtc->dev->event_lock, flags);
|
|
if (drm_crtc_vblank_get(crtc) == 0)
|
|
drm_crtc_arm_vblank_event(crtc, event);
|
|
else
|
|
drm_crtc_send_vblank_event(crtc, event);
|
|
spin_unlock_irqrestore(&crtc->dev->event_lock, flags);
|
|
}
|
|
|
|
}
|
|
|
|
static void exynos_drm_crtc_destroy(struct drm_crtc *crtc)
|
|
{
|
|
struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
|
|
|
|
drm_crtc_cleanup(crtc);
|
|
kfree(exynos_crtc);
|
|
}
|
|
|
|
static int exynos_drm_crtc_enable_vblank(struct drm_crtc *crtc)
|
|
{
|
|
struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
|
|
|
|
if (exynos_crtc->ops->enable_vblank)
|
|
return exynos_crtc->ops->enable_vblank(exynos_crtc);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void exynos_drm_crtc_disable_vblank(struct drm_crtc *crtc)
|
|
{
|
|
struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
|
|
|
|
if (exynos_crtc->ops->disable_vblank)
|
|
exynos_crtc->ops->disable_vblank(exynos_crtc);
|
|
}
|
|
|
|
static const struct drm_crtc_funcs exynos_crtc_funcs = {
|
|
.set_config = drm_atomic_helper_set_config,
|
|
.page_flip = drm_atomic_helper_page_flip,
|
|
.destroy = exynos_drm_crtc_destroy,
|
|
.reset = drm_atomic_helper_crtc_reset,
|
|
.atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state,
|
|
.atomic_destroy_state = drm_atomic_helper_crtc_destroy_state,
|
|
.enable_vblank = exynos_drm_crtc_enable_vblank,
|
|
.disable_vblank = exynos_drm_crtc_disable_vblank,
|
|
};
|
|
|
|
struct exynos_drm_crtc *exynos_drm_crtc_create(struct drm_device *drm_dev,
|
|
struct drm_plane *plane,
|
|
int pipe,
|
|
enum exynos_drm_output_type type,
|
|
const struct exynos_drm_crtc_ops *ops,
|
|
void *ctx)
|
|
{
|
|
struct exynos_drm_crtc *exynos_crtc;
|
|
struct drm_crtc *crtc;
|
|
int ret;
|
|
|
|
exynos_crtc = kzalloc(sizeof(*exynos_crtc), GFP_KERNEL);
|
|
if (!exynos_crtc)
|
|
return ERR_PTR(-ENOMEM);
|
|
|
|
exynos_crtc->pipe = pipe;
|
|
exynos_crtc->type = type;
|
|
exynos_crtc->ops = ops;
|
|
exynos_crtc->ctx = ctx;
|
|
|
|
crtc = &exynos_crtc->base;
|
|
|
|
ret = drm_crtc_init_with_planes(drm_dev, crtc, plane, NULL,
|
|
&exynos_crtc_funcs, NULL);
|
|
if (ret < 0)
|
|
goto err_crtc;
|
|
|
|
drm_crtc_helper_add(crtc, &exynos_crtc_helper_funcs);
|
|
|
|
return exynos_crtc;
|
|
|
|
err_crtc:
|
|
plane->funcs->destroy(plane);
|
|
kfree(exynos_crtc);
|
|
return ERR_PTR(ret);
|
|
}
|
|
|
|
int exynos_drm_crtc_get_pipe_from_type(struct drm_device *drm_dev,
|
|
enum exynos_drm_output_type out_type)
|
|
{
|
|
struct drm_crtc *crtc;
|
|
|
|
list_for_each_entry(crtc, &drm_dev->mode_config.crtc_list, head) {
|
|
struct exynos_drm_crtc *exynos_crtc;
|
|
|
|
exynos_crtc = to_exynos_crtc(crtc);
|
|
if (exynos_crtc->type == out_type)
|
|
return exynos_crtc->pipe;
|
|
}
|
|
|
|
return -EPERM;
|
|
}
|
|
|
|
void exynos_drm_crtc_te_handler(struct drm_crtc *crtc)
|
|
{
|
|
struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
|
|
|
|
if (exynos_crtc->ops->te_handler)
|
|
exynos_crtc->ops->te_handler(exynos_crtc);
|
|
}
|