Contributors: 19
Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
CK Hu |
603 |
38.09% |
1 |
2.17% |
Justin Green |
283 |
17.88% |
2 |
4.35% |
Bibby Hsieh |
204 |
12.89% |
4 |
8.70% |
Maxime Ripard |
112 |
7.08% |
7 |
15.22% |
Daniel Kurtz |
106 |
6.70% |
3 |
6.52% |
Sean Paul |
81 |
5.12% |
2 |
4.35% |
jason-jh.lin |
73 |
4.61% |
2 |
4.35% |
Ville Syrjälä |
43 |
2.72% |
5 |
10.87% |
Hsin-Yi, Wang |
26 |
1.64% |
1 |
2.17% |
Nancy.Lin |
10 |
0.63% |
1 |
2.17% |
Hsiao Chien Sung |
10 |
0.63% |
7 |
15.22% |
Daniel Vetter |
9 |
0.57% |
3 |
6.52% |
Thomas Zimmermann |
7 |
0.44% |
2 |
4.35% |
Mark Yacoub |
5 |
0.32% |
1 |
2.17% |
Daniel Stone |
5 |
0.32% |
1 |
2.17% |
Thomas Gleixner |
2 |
0.13% |
1 |
2.17% |
Sam Ravnborg |
2 |
0.13% |
1 |
2.17% |
Ben Widawsky |
1 |
0.06% |
1 |
2.17% |
Angelo G. Del Regno |
1 |
0.06% |
1 |
2.17% |
Total |
1583 |
|
46 |
|
// 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 <linux/align.h>
#include "mtk_crtc.h"
#include "mtk_ddp_comp.h"
#include "mtk_drm_drv.h"
#include "mtk_gem.h"
#include "mtk_plane.h"
static const u64 modifiers[] = {
DRM_FORMAT_MOD_LINEAR,
DRM_FORMAT_MOD_ARM_AFBC(AFBC_FORMAT_MOD_BLOCK_SIZE_32x8 |
AFBC_FORMAT_MOD_SPLIT |
AFBC_FORMAT_MOD_SPARSE),
DRM_FORMAT_MOD_INVALID,
};
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;
state->pending.modifier = DRM_FORMAT_MOD_LINEAR;
}
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 bool mtk_plane_format_mod_supported(struct drm_plane *plane,
uint32_t format,
uint64_t modifier)
{
if (modifier == DRM_FORMAT_MOD_LINEAR)
return true;
if (modifier != DRM_FORMAT_MOD_ARM_AFBC(
AFBC_FORMAT_MOD_BLOCK_SIZE_32x8 |
AFBC_FORMAT_MOD_SPLIT |
AFBC_FORMAT_MOD_SPARSE))
return false;
if (format != DRM_FORMAT_XRGB8888 &&
format != DRM_FORMAT_ARGB8888 &&
format != DRM_FORMAT_BGRX8888 &&
format != DRM_FORMAT_BGRA8888 &&
format != DRM_FORMAT_ABGR8888 &&
format != DRM_FORMAT_XBGR8888 &&
format != DRM_FORMAT_RGB888 &&
format != DRM_FORMAT_BGR888)
return false;
return true;
}
static void mtk_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_crtc_plane_check(new_plane_state->crtc, plane,
to_mtk_plane_state(new_plane_state));
if (ret)
return ret;
crtc_state = drm_atomic_get_existing_crtc_state(state, new_plane_state->crtc);
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_gem_obj *mtk_gem;
unsigned int pitch, format;
u64 modifier;
dma_addr_t addr;
dma_addr_t hdr_addr = 0;
unsigned int hdr_pitch = 0;
int offset;
gem = fb->obj[0];
mtk_gem = to_mtk_gem_obj(gem);
addr = mtk_gem->dma_addr;
pitch = fb->pitches[0];
format = fb->format->format;
modifier = fb->modifier;
if (modifier == DRM_FORMAT_MOD_LINEAR) {
/*
* Using dma_addr_t variable to calculate with multiplier of different types,
* for example: addr += (new_state->src.x1 >> 16) * fb->format->cpp[0];
* may cause coverity issue with unintentional overflow.
*/
offset = (new_state->src.x1 >> 16) * fb->format->cpp[0];
addr += offset;
offset = (new_state->src.y1 >> 16) * pitch;
addr += offset;
} else {
int width_in_blocks = ALIGN(fb->width, AFBC_DATA_BLOCK_WIDTH)
/ AFBC_DATA_BLOCK_WIDTH;
int height_in_blocks = ALIGN(fb->height, AFBC_DATA_BLOCK_HEIGHT)
/ AFBC_DATA_BLOCK_HEIGHT;
int x_offset_in_blocks = (new_state->src.x1 >> 16) / AFBC_DATA_BLOCK_WIDTH;
int y_offset_in_blocks = (new_state->src.y1 >> 16) / AFBC_DATA_BLOCK_HEIGHT;
int hdr_size, hdr_offset;
hdr_pitch = width_in_blocks * AFBC_HEADER_BLOCK_SIZE;
pitch = width_in_blocks * AFBC_DATA_BLOCK_WIDTH *
AFBC_DATA_BLOCK_HEIGHT * fb->format->cpp[0];
hdr_size = ALIGN(hdr_pitch * height_in_blocks, AFBC_HEADER_ALIGNMENT);
hdr_offset = hdr_pitch * y_offset_in_blocks +
AFBC_HEADER_BLOCK_SIZE * x_offset_in_blocks;
/*
* Using dma_addr_t variable to calculate with multiplier of different types,
* for example: addr += hdr_pitch * y_offset_in_blocks;
* may cause coverity issue with unintentional overflow.
*/
hdr_addr = addr + hdr_offset;
/* The data plane is offset by 1 additional block. */
offset = pitch * y_offset_in_blocks +
AFBC_DATA_BLOCK_WIDTH * AFBC_DATA_BLOCK_HEIGHT *
fb->format->cpp[0] * (x_offset_in_blocks + 1);
/*
* Using dma_addr_t variable to calculate with multiplier of different types,
* for example: addr += pitch * y_offset_in_blocks;
* may cause coverity issue with unintentional overflow.
*/
addr = addr + hdr_size + offset;
}
mtk_plane_state->pending.enable = true;
mtk_plane_state->pending.pitch = pitch;
mtk_plane_state->pending.hdr_pitch = hdr_pitch;
mtk_plane_state->pending.format = format;
mtk_plane_state->pending.modifier = modifier;
mtk_plane_state->pending.addr = addr;
mtk_plane_state->pending.hdr_addr = hdr_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;
mtk_plane_update_new_state(new_state, new_plane_state);
swap(plane->state->fb, new_state->fb);
wmb(); /* Make sure the above parameters are set before update */
new_plane_state->pending.async_dirty = true;
mtk_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_plane_destroy_state,
.format_mod_supported = mtk_plane_format_mod_supported,
};
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_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, const u32 *formats,
size_t num_formats)
{
int err;
if (!formats || !num_formats) {
DRM_ERROR("no formats for plane\n");
return -EINVAL;
}
err = drm_universal_plane_init(dev, plane, possible_crtcs,
&mtk_plane_funcs, formats,
num_formats, modifiers, 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;
}