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[media] v4l: vsp1: Store the display list manager in the WPF

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Each WPF can process display lists independently, move the manager to
the WPF to reflect that and prepare for display list support for non-DRM
pipelines.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Laurent Pinchart 2015-11-14 22:27:52 -02:00 committed by Mauro Carvalho Chehab
parent c2dd2513ea
commit ef9621bcd6
8 changed files with 70 additions and 45 deletions
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37
drivers/media/platform/vsp1/vsp1_dl.c
View file

@ -48,6 +48,25 @@ struct vsp1_dl_list {
int reg_count;
};
/**
* struct vsp1_dl_manager - Display List manager
* @vsp1: the VSP1 device
* @lock: protects the active, queued and pending lists
* @free: array of all free display lists
* @active: list currently being processed (loaded) by hardware
* @queued: list queued to the hardware (written to the DL registers)
* @pending: list waiting to be queued to the hardware
*/
struct vsp1_dl_manager {
struct vsp1_device *vsp1;
spinlock_t lock;
struct list_head free;
struct vsp1_dl_list *active;
struct vsp1_dl_list *queued;
struct vsp1_dl_list *pending;
};
/* -----------------------------------------------------------------------------
* Display List Transaction Management
*/
@ -256,11 +275,16 @@ void vsp1_dlm_reset(struct vsp1_dl_manager *dlm)
dlm->pending = NULL;
}
int vsp1_dlm_init(struct vsp1_device *vsp1, struct vsp1_dl_manager *dlm,
unsigned int prealloc)
struct vsp1_dl_manager *vsp1_dlm_create(struct vsp1_device *vsp1,
unsigned int prealloc)
{
struct vsp1_dl_manager *dlm;
unsigned int i;
dlm = devm_kzalloc(vsp1->dev, sizeof(*dlm), GFP_KERNEL);
if (!dlm)
return NULL;
dlm->vsp1 = vsp1;
spin_lock_init(&dlm->lock);
@ -271,18 +295,21 @@ int vsp1_dlm_init(struct vsp1_device *vsp1, struct vsp1_dl_manager *dlm,
dl = vsp1_dl_list_alloc(dlm);
if (!dl)
return -ENOMEM;
return NULL;
list_add_tail(&dl->list, &dlm->free);
}
return 0;
return dlm;
}
void vsp1_dlm_cleanup(struct vsp1_dl_manager *dlm)
void vsp1_dlm_destroy(struct vsp1_dl_manager *dlm)
{
struct vsp1_dl_list *dl, *next;
if (!dlm)
return;
list_for_each_entry_safe(dl, next, &dlm->free, list) {
list_del(&dl->list);
vsp1_dl_list_free(dl);

26
drivers/media/platform/vsp1/vsp1_dl.h
View file

@ -17,31 +17,13 @@
struct vsp1_device;
struct vsp1_dl_list;
/**
* struct vsp1_dl_manager - Display List manager
* @vsp1: the VSP1 device
* @lock: protects the active, queued and pending lists
* @free: array of all free display lists
* @active: list currently being processed (loaded) by hardware
* @queued: list queued to the hardware (written to the DL registers)
* @pending: list waiting to be queued to the hardware
*/
struct vsp1_dl_manager {
struct vsp1_device *vsp1;
spinlock_t lock;
struct list_head free;
struct vsp1_dl_list *active;
struct vsp1_dl_list *queued;
struct vsp1_dl_list *pending;
};
struct vsp1_dl_manager;
void vsp1_dlm_setup(struct vsp1_device *vsp1);
int vsp1_dlm_init(struct vsp1_device *vsp1, struct vsp1_dl_manager *dlm,
unsigned int prealloc);
void vsp1_dlm_cleanup(struct vsp1_dl_manager *dlm);
struct vsp1_dl_manager *vsp1_dlm_create(struct vsp1_device *vsp1,
unsigned int prealloc);
void vsp1_dlm_destroy(struct vsp1_dl_manager *dlm);
void vsp1_dlm_reset(struct vsp1_dl_manager *dlm);
void vsp1_dlm_irq_display_start(struct vsp1_dl_manager *dlm);
void vsp1_dlm_irq_frame_end(struct vsp1_dl_manager *dlm);

19
drivers/media/platform/vsp1/vsp1_drm.c
View file

@ -31,11 +31,14 @@
* Interrupt Handling
*/
void vsp1_drm_display_start(struct vsp1_device *vsp1)
{
vsp1_dlm_irq_display_start(vsp1->drm->pipe.output->dlm);
}
void vsp1_drm_frame_end(struct vsp1_pipeline *pipe)
{
struct vsp1_device *vsp1 = pipe->output->entity.vsp1;
vsp1_dlm_irq_frame_end(&vsp1->drm->dlm);
vsp1_dlm_irq_frame_end(pipe->output->dlm);
}
/* -----------------------------------------------------------------------------
@ -101,7 +104,7 @@ int vsp1_du_setup_lif(struct device *dev, unsigned int width,
pipe->num_inputs = 0;
vsp1_dlm_reset(&vsp1->drm->dlm);
vsp1_dlm_reset(pipe->output->dlm);
vsp1_device_put(vsp1);
dev_dbg(vsp1->dev, "%s: pipeline disabled\n", __func__);
@ -228,7 +231,7 @@ void vsp1_du_atomic_begin(struct device *dev)
spin_unlock_irqrestore(&pipe->irqlock, flags);
/* Prepare the display list. */
pipe->dl = vsp1_dl_list_get(&vsp1->drm->dlm);
pipe->dl = vsp1_dl_list_get(pipe->output->dlm);
}
EXPORT_SYMBOL_GPL(vsp1_du_atomic_begin);
@ -555,16 +558,11 @@ int vsp1_drm_init(struct vsp1_device *vsp1)
{
struct vsp1_pipeline *pipe;
unsigned int i;
int ret;
vsp1->drm = devm_kzalloc(vsp1->dev, sizeof(*vsp1->drm), GFP_KERNEL);
if (!vsp1->drm)
return -ENOMEM;
ret = vsp1_dlm_init(vsp1, &vsp1->drm->dlm, 4);
if (ret < 0)
return ret;
pipe = &vsp1->drm->pipe;
vsp1_pipeline_init(pipe);
@ -590,5 +588,4 @@ int vsp1_drm_init(struct vsp1_device *vsp1)
void vsp1_drm_cleanup(struct vsp1_device *vsp1)
{
vsp1_dlm_cleanup(&vsp1->drm->dlm);
}

8
drivers/media/platform/vsp1/vsp1_drm.h
View file

@ -13,7 +13,6 @@
#ifndef __VSP1_DRM_H__
#define __VSP1_DRM_H__
#include "vsp1_dl.h"
#include "vsp1_pipe.h"
/**
@ -21,22 +20,17 @@
* @pipe: the VSP1 pipeline used for display
* @num_inputs: number of active pipeline inputs at the beginning of an update
* @update: the pipeline configuration has been updated
* @dlm: display list manager used for DRM operation
*/
struct vsp1_drm {
struct vsp1_pipeline pipe;
unsigned int num_inputs;
bool update;
struct vsp1_dl_manager dlm;
};
int vsp1_drm_init(struct vsp1_device *vsp1);
void vsp1_drm_cleanup(struct vsp1_device *vsp1);
int vsp1_drm_create_links(struct vsp1_device *vsp1);
static inline void vsp1_drm_display_start(struct vsp1_device *vsp1)
{
vsp1_dlm_irq_display_start(&vsp1->drm->dlm);
}
void vsp1_drm_display_start(struct vsp1_device *vsp1);
#endif /* __VSP1_DRM_H__ */

2
drivers/media/platform/vsp1/vsp1_entity.c
View file

@ -244,6 +244,8 @@ int vsp1_entity_init(struct vsp1_device *vsp1, struct vsp1_entity *entity,
void vsp1_entity_destroy(struct vsp1_entity *entity)
{
if (entity->destroy)
entity->destroy(entity);
if (entity->subdev.ctrl_handler)
v4l2_ctrl_handler_free(entity->subdev.ctrl_handler);
media_entity_cleanup(&entity->subdev.entity);

2
drivers/media/platform/vsp1/vsp1_entity.h
View file

@ -56,6 +56,8 @@ struct vsp1_route {
struct vsp1_entity {
struct vsp1_device *vsp1;
void (*destroy)(struct vsp1_entity *);
enum vsp1_entity_type type;
unsigned int index;
const struct vsp1_route *route;

3
drivers/media/platform/vsp1/vsp1_rwpf.h
View file

@ -24,6 +24,7 @@
#define RWPF_PAD_SOURCE 1
struct v4l2_ctrl;
struct vsp1_dl_manager;
struct vsp1_rwpf;
struct vsp1_video;
@ -60,6 +61,8 @@ struct vsp1_rwpf {
unsigned int offsets[2];
dma_addr_t buf_addr[3];
struct vsp1_dl_manager *dlm;
};
static inline struct vsp1_rwpf *to_rwpf(struct v4l2_subdev *subdev)

18
drivers/media/platform/vsp1/vsp1_wpf.c
View file

@ -16,6 +16,7 @@
#include <media/v4l2-subdev.h>
#include "vsp1.h"
#include "vsp1_dl.h"
#include "vsp1_rwpf.h"
#include "vsp1_video.h"
@ -218,6 +219,13 @@ static const struct vsp1_rwpf_operations wpf_vdev_ops = {
* Initialization and Cleanup
*/
static void vsp1_wpf_destroy(struct vsp1_entity *entity)
{
struct vsp1_rwpf *wpf = container_of(entity, struct vsp1_rwpf, entity);
vsp1_dlm_destroy(wpf->dlm);
}
struct vsp1_rwpf *vsp1_wpf_create(struct vsp1_device *vsp1, unsigned int index)
{
struct v4l2_subdev *subdev;
@ -233,6 +241,7 @@ struct vsp1_rwpf *vsp1_wpf_create(struct vsp1_device *vsp1, unsigned int index)
wpf->max_width = WPF_MAX_WIDTH;
wpf->max_height = WPF_MAX_HEIGHT;
wpf->entity.destroy = vsp1_wpf_destroy;
wpf->entity.type = VSP1_ENTITY_WPF;
wpf->entity.index = index;
@ -240,6 +249,15 @@ struct vsp1_rwpf *vsp1_wpf_create(struct vsp1_device *vsp1, unsigned int index)
if (ret < 0)
return ERR_PTR(ret);
/* Initialize the display list manager if the WPF is used for display */
if ((vsp1->info->features & VSP1_HAS_LIF) && index == 0) {
wpf->dlm = vsp1_dlm_create(vsp1, 4);
if (!wpf->dlm) {
ret = -ENOMEM;
goto error;
}
}
/* Initialize the V4L2 subdev. */
subdev = &wpf->entity.subdev;
v4l2_subdev_init(subdev, &wpf_ops);