Contributors: 16
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| CK Hu |
486 |
38.33% |
1 |
3.03% |
| Bibby Hsieh |
272 |
21.45% |
5 |
15.15% |
| jason-jh.lin |
229 |
18.06% |
1 |
3.03% |
| Maxime Ripard |
94 |
7.41% |
7 |
21.21% |
| Sean Paul |
69 |
5.44% |
3 |
9.09% |
| Hsin-Yi, Wang |
55 |
4.34% |
1 |
3.03% |
| Daniel Kurtz |
22 |
1.74% |
2 |
6.06% |
| Nancy.Lin |
10 |
0.79% |
1 |
3.03% |
| Ville Syrjälä |
9 |
0.71% |
4 |
12.12% |
| Thomas Zimmermann |
7 |
0.55% |
2 |
6.06% |
| Mark Yacoub |
5 |
0.39% |
1 |
3.03% |
| Daniel Vetter |
3 |
0.24% |
1 |
3.03% |
| Thomas Gleixner |
2 |
0.16% |
1 |
3.03% |
| Sam Ravnborg |
2 |
0.16% |
1 |
3.03% |
| Ben Widawsky |
2 |
0.16% |
1 |
3.03% |
| Angelo G. Del Regno |
1 |
0.08% |
1 |
3.03% |
| Total |
1268 |
|
33 |
|
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2015 MediaTek Inc.
* Author: CK Hu <ck.hu@mediatek.com>
*/
#include <drm/drm_atomic.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_atomic_uapi.h>
#include <drm/drm_blend.h>
#include <drm/drm_fourcc.h>
#include <drm/drm_framebuffer.h>
#include <drm/drm_gem_atomic_helper.h>
#include "mtk_drm_crtc.h"
#include "mtk_drm_ddp_comp.h"
#include "mtk_drm_drv.h"
#include "mtk_drm_gem.h"
#include "mtk_drm_plane.h"
static const u32 formats[] = {
DRM_FORMAT_XRGB8888,
DRM_FORMAT_ARGB8888,
DRM_FORMAT_BGRX8888,
DRM_FORMAT_BGRA8888,
DRM_FORMAT_ABGR8888,
DRM_FORMAT_XBGR8888,
DRM_FORMAT_RGB888,
DRM_FORMAT_BGR888,
DRM_FORMAT_RGB565,
DRM_FORMAT_UYVY,
DRM_FORMAT_YUYV,
};
static void mtk_plane_reset(struct drm_plane *plane)
{
struct mtk_plane_state *state;
if (plane->state) {
__drm_atomic_helper_plane_destroy_state(plane->state);
state = to_mtk_plane_state(plane->state);
memset(state, 0, sizeof(*state));
} else {
state = kzalloc(sizeof(*state), GFP_KERNEL);
if (!state)
return;
}
__drm_atomic_helper_plane_reset(plane, &state->base);
state->base.plane = plane;
state->pending.format = DRM_FORMAT_RGB565;
}
static struct drm_plane_state *mtk_plane_duplicate_state(struct drm_plane *plane)
{
struct mtk_plane_state *old_state = to_mtk_plane_state(plane->state);
struct mtk_plane_state *state;
state = kmalloc(sizeof(*state), GFP_KERNEL);
if (!state)
return NULL;
__drm_atomic_helper_plane_duplicate_state(plane, &state->base);
WARN_ON(state->base.plane != plane);
state->pending = old_state->pending;
return &state->base;
}
static void mtk_drm_plane_destroy_state(struct drm_plane *plane,
struct drm_plane_state *state)
{
__drm_atomic_helper_plane_destroy_state(state);
kfree(to_mtk_plane_state(state));
}
static int mtk_plane_atomic_async_check(struct drm_plane *plane,
struct drm_atomic_state *state)
{
struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
plane);
struct drm_crtc_state *crtc_state;
int ret;
if (plane != new_plane_state->crtc->cursor)
return -EINVAL;
if (!plane->state)
return -EINVAL;
if (!plane->state->fb)
return -EINVAL;
ret = mtk_drm_crtc_plane_check(new_plane_state->crtc, plane,
to_mtk_plane_state(new_plane_state));
if (ret)
return ret;
if (state)
crtc_state = drm_atomic_get_existing_crtc_state(state,
new_plane_state->crtc);
else /* Special case for asynchronous cursor updates. */
crtc_state = new_plane_state->crtc->state;
return drm_atomic_helper_check_plane_state(plane->state, crtc_state,
DRM_PLANE_NO_SCALING,
DRM_PLANE_NO_SCALING,
true, true);
}
static void mtk_plane_update_new_state(struct drm_plane_state *new_state,
struct mtk_plane_state *mtk_plane_state)
{
struct drm_framebuffer *fb = new_state->fb;
struct drm_gem_object *gem;
struct mtk_drm_gem_obj *mtk_gem;
unsigned int pitch, format;
dma_addr_t addr;
gem = fb->obj[0];
mtk_gem = to_mtk_gem_obj(gem);
addr = mtk_gem->dma_addr;
pitch = fb->pitches[0];
format = fb->format->format;
addr += (new_state->src.x1 >> 16) * fb->format->cpp[0];
addr += (new_state->src.y1 >> 16) * pitch;
mtk_plane_state->pending.enable = true;
mtk_plane_state->pending.pitch = pitch;
mtk_plane_state->pending.format = format;
mtk_plane_state->pending.addr = addr;
mtk_plane_state->pending.x = new_state->dst.x1;
mtk_plane_state->pending.y = new_state->dst.y1;
mtk_plane_state->pending.width = drm_rect_width(&new_state->dst);
mtk_plane_state->pending.height = drm_rect_height(&new_state->dst);
mtk_plane_state->pending.rotation = new_state->rotation;
mtk_plane_state->pending.color_encoding = new_state->color_encoding;
}
static void mtk_plane_atomic_async_update(struct drm_plane *plane,
struct drm_atomic_state *state)
{
struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
plane);
struct mtk_plane_state *new_plane_state = to_mtk_plane_state(plane->state);
plane->state->crtc_x = new_state->crtc_x;
plane->state->crtc_y = new_state->crtc_y;
plane->state->crtc_h = new_state->crtc_h;
plane->state->crtc_w = new_state->crtc_w;
plane->state->src_x = new_state->src_x;
plane->state->src_y = new_state->src_y;
plane->state->src_h = new_state->src_h;
plane->state->src_w = new_state->src_w;
swap(plane->state->fb, new_state->fb);
mtk_plane_update_new_state(new_state, new_plane_state);
wmb(); /* Make sure the above parameters are set before update */
new_plane_state->pending.async_dirty = true;
mtk_drm_crtc_async_update(new_state->crtc, plane, state);
}
static const struct drm_plane_funcs mtk_plane_funcs = {
.update_plane = drm_atomic_helper_update_plane,
.disable_plane = drm_atomic_helper_disable_plane,
.destroy = drm_plane_cleanup,
.reset = mtk_plane_reset,
.atomic_duplicate_state = mtk_plane_duplicate_state,
.atomic_destroy_state = mtk_drm_plane_destroy_state,
};
static int mtk_plane_atomic_check(struct drm_plane *plane,
struct drm_atomic_state *state)
{
struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
plane);
struct drm_framebuffer *fb = new_plane_state->fb;
struct drm_crtc_state *crtc_state;
int ret;
if (!fb)
return 0;
if (WARN_ON(!new_plane_state->crtc))
return 0;
ret = mtk_drm_crtc_plane_check(new_plane_state->crtc, plane,
to_mtk_plane_state(new_plane_state));
if (ret)
return ret;
crtc_state = drm_atomic_get_crtc_state(state,
new_plane_state->crtc);
if (IS_ERR(crtc_state))
return PTR_ERR(crtc_state);
return drm_atomic_helper_check_plane_state(new_plane_state,
crtc_state,
DRM_PLANE_NO_SCALING,
DRM_PLANE_NO_SCALING,
true, true);
}
static void mtk_plane_atomic_disable(struct drm_plane *plane,
struct drm_atomic_state *state)
{
struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
plane);
struct mtk_plane_state *mtk_plane_state = to_mtk_plane_state(new_state);
mtk_plane_state->pending.enable = false;
wmb(); /* Make sure the above parameter is set before update */
mtk_plane_state->pending.dirty = true;
}
static void mtk_plane_atomic_update(struct drm_plane *plane,
struct drm_atomic_state *state)
{
struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
plane);
struct mtk_plane_state *mtk_plane_state = to_mtk_plane_state(new_state);
if (!new_state->crtc || WARN_ON(!new_state->fb))
return;
if (!new_state->visible) {
mtk_plane_atomic_disable(plane, state);
return;
}
mtk_plane_update_new_state(new_state, mtk_plane_state);
wmb(); /* Make sure the above parameters are set before update */
mtk_plane_state->pending.dirty = true;
}
static const struct drm_plane_helper_funcs mtk_plane_helper_funcs = {
.atomic_check = mtk_plane_atomic_check,
.atomic_update = mtk_plane_atomic_update,
.atomic_disable = mtk_plane_atomic_disable,
.atomic_async_update = mtk_plane_atomic_async_update,
.atomic_async_check = mtk_plane_atomic_async_check,
};
int mtk_plane_init(struct drm_device *dev, struct drm_plane *plane,
unsigned long possible_crtcs, enum drm_plane_type type,
unsigned int supported_rotations)
{
int err;
err = drm_universal_plane_init(dev, plane, possible_crtcs,
&mtk_plane_funcs, formats,
ARRAY_SIZE(formats), NULL, type, NULL);
if (err) {
DRM_ERROR("failed to initialize plane\n");
return err;
}
if (supported_rotations & ~DRM_MODE_ROTATE_0) {
err = drm_plane_create_rotation_property(plane,
DRM_MODE_ROTATE_0,
supported_rotations);
if (err)
DRM_INFO("Create rotation property failed\n");
}
drm_plane_helper_add(plane, &mtk_plane_helper_funcs);
return 0;
}