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drm/exynos: use private plane for crtc

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The crtc can use private plane instead it has overlay struct. It will be
helpful use plane feature from crtc later.

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
This commit is contained in:
Joonyoung Shim 2012-06-27 14:27:04 +09:00 committed by Inki Dae
parent fdc575e795
commit b5d2eb3bd6
5 changed files with 47 additions and 31 deletions
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31
drivers/gpu/drm/exynos/exynos_drm_crtc.c
View File

@ -29,11 +29,12 @@
#include "drmP.h"
#include "drm_crtc_helper.h"
#include "exynos_drm_crtc.h"
#include "exynos_drm_drv.h"
#include "exynos_drm_crtc.h"
#include "exynos_drm_fb.h"
#include "exynos_drm_encoder.h"
#include "exynos_drm_gem.h"
#include "exynos_drm_plane.h"
#define to_exynos_crtc(x) container_of(x, struct exynos_drm_crtc,\
drm_crtc)
@ -42,8 +43,7 @@
* Exynos specific crtc structure.
*
* @drm_crtc: crtc object.
* @overlay: contain information common to display controller and hdmi and
* contents of this overlay object would be copied to sub driver size.
* @drm_plane: pointer of private plane object for this crtc
* @pipe: a crtc index created at load() with a new crtc object creation
* and the crtc object would be set to private->crtc array
* to get a crtc object corresponding to this pipe from private->crtc
@ -55,7 +55,7 @@
*/
struct exynos_drm_crtc {
struct drm_crtc drm_crtc;
struct exynos_drm_overlay overlay;
struct drm_plane *plane;
unsigned int pipe;
unsigned int dpms;
};
@ -63,7 +63,8 @@ struct exynos_drm_crtc {
static void exynos_drm_crtc_apply(struct drm_crtc *crtc)
{
struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
struct exynos_drm_overlay *overlay = &exynos_crtc->overlay;
struct exynos_drm_overlay *overlay =
get_exynos_drm_overlay(exynos_crtc->plane);
exynos_drm_fn_encoder(crtc, overlay,
exynos_drm_encoder_crtc_mode_set);
@ -141,7 +142,7 @@ static int exynos_drm_crtc_update(struct drm_crtc *crtc)
return -EINVAL;
exynos_crtc = to_exynos_crtc(crtc);
overlay = &exynos_crtc->overlay;
overlay = get_exynos_drm_overlay(exynos_crtc->plane);
memset(&pos, 0, sizeof(struct exynos_drm_crtc_pos));
@ -250,7 +251,8 @@ exynos_drm_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode,
struct drm_framebuffer *old_fb)
{
struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
struct exynos_drm_overlay *overlay = &exynos_crtc->overlay;
struct exynos_drm_overlay *overlay =
get_exynos_drm_overlay(exynos_crtc->plane);
int pipe = exynos_crtc->pipe;
int ret;
@ -378,14 +380,6 @@ static struct drm_crtc_funcs exynos_crtc_funcs = {
.destroy = exynos_drm_crtc_destroy,
};
struct exynos_drm_overlay *get_exynos_drm_overlay(struct drm_device *dev,
struct drm_crtc *crtc)
{
struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
return &exynos_crtc->overlay;
}
int exynos_drm_crtc_create(struct drm_device *dev, unsigned int nr)
{
struct exynos_drm_crtc *exynos_crtc;
@ -402,7 +396,12 @@ int exynos_drm_crtc_create(struct drm_device *dev, unsigned int nr)
exynos_crtc->pipe = nr;
exynos_crtc->dpms = DRM_MODE_DPMS_OFF;
exynos_crtc->overlay.zpos = DEFAULT_ZPOS;
exynos_crtc->plane = exynos_plane_init(dev, 1 << nr, true);
if (!exynos_crtc->plane) {
kfree(exynos_crtc);
return -ENOMEM;
}
crtc = &exynos_crtc->drm_crtc;
private->crtc[nr] = crtc;

2
drivers/gpu/drm/exynos/exynos_drm_crtc.h
View File

@ -29,8 +29,6 @@
#ifndef _EXYNOS_DRM_CRTC_H_
#define _EXYNOS_DRM_CRTC_H_
struct exynos_drm_overlay *get_exynos_drm_overlay(struct drm_device *dev,
struct drm_crtc *crtc);
int exynos_drm_crtc_create(struct drm_device *dev, unsigned int nr);
int exynos_drm_crtc_enable_vblank(struct drm_device *dev, int crtc);
void exynos_drm_crtc_disable_vblank(struct drm_device *dev, int crtc);

7
drivers/gpu/drm/exynos/exynos_drm_drv.c
View File

@ -85,8 +85,11 @@ static int exynos_drm_load(struct drm_device *dev, unsigned long flags)
}
for (nr = 0; nr < MAX_PLANE; nr++) {
ret = exynos_plane_init(dev, nr);
if (ret)
struct drm_plane *plane;
unsigned int possible_crtcs = (1 << MAX_CRTC) - 1;
plane = exynos_plane_init(dev, possible_crtcs, false);
if (!plane)
goto err_crtc;
}

34
drivers/gpu/drm/exynos/exynos_drm_plane.c
View File

@ -12,8 +12,8 @@
#include "drmP.h"
#include "exynos_drm.h"
#include "exynos_drm_crtc.h"
#include "exynos_drm_drv.h"
#include "exynos_drm_crtc.h"
#include "exynos_drm_encoder.h"
#define to_exynos_plane(x) container_of(x, struct exynos_plane, base)
@ -108,23 +108,30 @@ static struct drm_plane_funcs exynos_plane_funcs = {
.destroy = exynos_plane_destroy,
};
int exynos_plane_init(struct drm_device *dev, unsigned int nr)
struct drm_plane *exynos_plane_init(struct drm_device *dev,
unsigned int possible_crtcs, bool priv)
{
struct exynos_plane *exynos_plane;
uint32_t possible_crtcs;
int err;
exynos_plane = kzalloc(sizeof(struct exynos_plane), GFP_KERNEL);
if (!exynos_plane)
return -ENOMEM;
/* all CRTCs are available */
possible_crtcs = (1 << MAX_CRTC) - 1;
if (!exynos_plane) {
DRM_ERROR("failed to allocate plane\n");
return NULL;
}
exynos_plane->overlay.zpos = DEFAULT_ZPOS;
return drm_plane_init(dev, &exynos_plane->base, possible_crtcs,
err = drm_plane_init(dev, &exynos_plane->base, possible_crtcs,
&exynos_plane_funcs, formats, ARRAY_SIZE(formats),
false);
priv);
if (err) {
DRM_ERROR("failed to initialize plane\n");
kfree(exynos_plane);
return NULL;
}
return &exynos_plane->base;
}
int exynos_plane_set_zpos_ioctl(struct drm_device *dev, void *data,
@ -168,3 +175,10 @@ out:
mutex_unlock(&dev->mode_config.mutex);
return ret;
}
struct exynos_drm_overlay *get_exynos_drm_overlay(struct drm_plane *plane)
{
struct exynos_plane *exynos_plane = to_exynos_plane(plane);
return &exynos_plane->overlay;
}

4
drivers/gpu/drm/exynos/exynos_drm_plane.h
View File

@ -9,6 +9,8 @@
*
*/
int exynos_plane_init(struct drm_device *dev, unsigned int nr);
struct drm_plane *exynos_plane_init(struct drm_device *dev,
unsigned int possible_crtcs, bool priv);
int exynos_plane_set_zpos_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
struct exynos_drm_overlay *get_exynos_drm_overlay(struct drm_plane *plane);