[PATCH 04/11] drm/exynos: use private plane for crtc
Joonyoung Shim
jy0922.shim at samsung.com
Tue Jun 26 22:27:04 PDT 2012
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 at samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park at samsung.com>
---
drivers/gpu/drm/exynos/exynos_drm_crtc.c | 31 ++++++++++++-------------
drivers/gpu/drm/exynos/exynos_drm_crtc.h | 2 -
drivers/gpu/drm/exynos/exynos_drm_drv.c | 7 ++++-
drivers/gpu/drm/exynos/exynos_drm_plane.c | 34 ++++++++++++++++++++--------
drivers/gpu/drm/exynos/exynos_drm_plane.h | 4 ++-
5 files changed, 47 insertions(+), 31 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
index 0dd7c2e..0dda0de 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
@@ -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;
diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.h b/drivers/gpu/drm/exynos/exynos_drm_crtc.h
index 16b8e21..b1c6e83 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_crtc.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.h
@@ -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);
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c
index d6de2e0..e313dc2 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c
@@ -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;
}
diff --git a/drivers/gpu/drm/exynos/exynos_drm_plane.c b/drivers/gpu/drm/exynos/exynos_drm_plane.c
index 17510f5..9ef5b8c 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_plane.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_plane.c
@@ -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;
+}
diff --git a/drivers/gpu/drm/exynos/exynos_drm_plane.h b/drivers/gpu/drm/exynos/exynos_drm_plane.h
index 16b71f8..d0529181 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_plane.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_plane.h
@@ -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);
--
1.7.5.4
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