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Date: Thu, 18 Sep 2014 15:17:03 +0200
From: Andrzej Hajda <a.hajda@...sung.com>
To: Inki Dae <inki.dae@...sung.com>
Cc: Andrzej Hajda <a.hajda@...sung.com>,
Joonyoung Shim <jy0922.shim@...sung.com>,
Seung-Woo Kim <sw0312.kim@...sung.com>,
Kyungmin Park <kyungmin.park@...sung.com>,
David Airlie <airlied@...ux.ie>,
Kukjin Kim <kgene.kim@...sung.com>,
dri-devel@...ts.freedesktop.org (open list:DRM DRIVERS FOR E...),
linux-samsung-soc@...r.kernel.org (moderated list:ARM/S5P EXYNOS AR...),
linux-kernel@...r.kernel.org (open list), drake@...lessm.com,
daniel@...ll.ch, m.szyprowski@...sung.com
Subject: [PATCH] drm/exynos: switch to universal plane API
The patch replaces legacy functions
drm_plane_init() / drm_crtc_init() with
drm_universal_plane_init() and drm_crtc_init_with_planes().
It allows to replace fake primary plane with the real one.
Signed-off-by: Andrzej Hajda <a.hajda@...sung.com>
---
Hi Inki,
I have tested this patch with trats board, it looks OK.
As a side effect it should solve fb refcounting issues
reported by me and Daniel Drake.
Regards
Andrzej
---
drivers/gpu/drm/exynos/exynos_drm_crtc.c | 63 ++++++++++++++++---------------
drivers/gpu/drm/exynos/exynos_drm_drv.c | 5 ++-
drivers/gpu/drm/exynos/exynos_drm_plane.c | 17 +++++----
drivers/gpu/drm/exynos/exynos_drm_plane.h | 3 +-
4 files changed, 47 insertions(+), 41 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
index b68e58f..d2f713e 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
@@ -32,7 +32,6 @@ enum exynos_crtc_mode {
* Exynos specific crtc structure.
*
* @drm_crtc: crtc object.
- * @drm_plane: pointer of private plane object for this crtc
* @manager: the manager associated with 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
@@ -46,7 +45,6 @@ enum exynos_crtc_mode {
*/
struct exynos_drm_crtc {
struct drm_crtc drm_crtc;
- struct drm_plane *plane;
struct exynos_drm_manager *manager;
unsigned int pipe;
unsigned int dpms;
@@ -94,12 +92,12 @@ static void exynos_drm_crtc_commit(struct drm_crtc *crtc)
exynos_drm_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
- exynos_plane_commit(exynos_crtc->plane);
+ exynos_plane_commit(crtc->primary);
if (manager->ops->commit)
manager->ops->commit(manager);
- exynos_plane_dpms(exynos_crtc->plane, DRM_MODE_DPMS_ON);
+ exynos_plane_dpms(crtc->primary, DRM_MODE_DPMS_ON);
}
static bool
@@ -123,10 +121,9 @@ exynos_drm_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode,
{
struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
struct exynos_drm_manager *manager = exynos_crtc->manager;
- struct drm_plane *plane = exynos_crtc->plane;
+ struct drm_framebuffer *fb = crtc->primary->fb;
unsigned int crtc_w;
unsigned int crtc_h;
- int ret;
/*
* copy the mode data adjusted by mode_fixup() into crtc->mode
@@ -134,29 +131,21 @@ exynos_drm_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode,
*/
memcpy(&crtc->mode, adjusted_mode, sizeof(*adjusted_mode));
- crtc_w = crtc->primary->fb->width - x;
- crtc_h = crtc->primary->fb->height - y;
+ crtc_w = fb->width - x;
+ crtc_h = fb->height - y;
if (manager->ops->mode_set)
manager->ops->mode_set(manager, &crtc->mode);
- ret = exynos_plane_mode_set(plane, crtc, crtc->primary->fb, 0, 0, crtc_w, crtc_h,
- x, y, crtc_w, crtc_h);
- if (ret)
- return ret;
-
- plane->crtc = crtc;
- plane->fb = crtc->primary->fb;
- drm_framebuffer_reference(plane->fb);
-
- return 0;
+ return exynos_plane_mode_set(crtc->primary, crtc, fb, 0, 0,
+ crtc_w, crtc_h, x, y, crtc_w, crtc_h);
}
static int exynos_drm_crtc_mode_set_commit(struct drm_crtc *crtc, int x, int y,
struct drm_framebuffer *old_fb)
{
struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
- struct drm_plane *plane = exynos_crtc->plane;
+ struct drm_framebuffer *fb = crtc->primary->fb;
unsigned int crtc_w;
unsigned int crtc_h;
int ret;
@@ -167,11 +156,11 @@ static int exynos_drm_crtc_mode_set_commit(struct drm_crtc *crtc, int x, int y,
return -EPERM;
}
- crtc_w = crtc->primary->fb->width - x;
- crtc_h = crtc->primary->fb->height - y;
+ crtc_w = fb->width - x;
+ crtc_h = fb->height - y;
- ret = exynos_plane_mode_set(plane, crtc, crtc->primary->fb, 0, 0, crtc_w, crtc_h,
- x, y, crtc_w, crtc_h);
+ ret = exynos_plane_mode_set(crtc->primary, crtc, fb, 0, 0,
+ crtc_w, crtc_h, x, y, crtc_w, crtc_h);
if (ret)
return ret;
@@ -279,6 +268,7 @@ static void exynos_drm_crtc_destroy(struct drm_crtc *crtc)
private->crtc[exynos_crtc->pipe] = NULL;
+ crtc->primary->funcs->destroy(crtc->primary);
drm_crtc_cleanup(crtc);
kfree(exynos_crtc);
}
@@ -304,8 +294,7 @@ static int exynos_drm_crtc_set_property(struct drm_crtc *crtc,
exynos_drm_crtc_commit(crtc);
break;
case CRTC_MODE_BLANK:
- exynos_plane_dpms(exynos_crtc->plane,
- DRM_MODE_DPMS_OFF);
+ exynos_plane_dpms(crtc->primary, DRM_MODE_DPMS_OFF);
break;
default:
break;
@@ -351,8 +340,10 @@ static void exynos_drm_crtc_attach_mode_property(struct drm_crtc *crtc)
int exynos_drm_crtc_create(struct exynos_drm_manager *manager)
{
struct exynos_drm_crtc *exynos_crtc;
+ struct drm_plane *plane;
struct exynos_drm_private *private = manager->drm_dev->dev_private;
struct drm_crtc *crtc;
+ int ret;
exynos_crtc = kzalloc(sizeof(*exynos_crtc), GFP_KERNEL);
if (!exynos_crtc)
@@ -364,11 +355,11 @@ int exynos_drm_crtc_create(struct exynos_drm_manager *manager)
exynos_crtc->dpms = DRM_MODE_DPMS_OFF;
exynos_crtc->manager = manager;
exynos_crtc->pipe = manager->pipe;
- exynos_crtc->plane = exynos_plane_init(manager->drm_dev,
- 1 << manager->pipe, true);
- if (!exynos_crtc->plane) {
- kfree(exynos_crtc);
- return -ENOMEM;
+ plane = exynos_plane_init(manager->drm_dev, 1 << manager->pipe,
+ DRM_PLANE_TYPE_PRIMARY);
+ if (IS_ERR(plane)) {
+ ret = PTR_ERR(plane);
+ goto err_plane;
}
manager->crtc = &exynos_crtc->drm_crtc;
@@ -376,12 +367,22 @@ int exynos_drm_crtc_create(struct exynos_drm_manager *manager)
private->crtc[manager->pipe] = crtc;
- drm_crtc_init(manager->drm_dev, crtc, &exynos_crtc_funcs);
+ ret = drm_crtc_init_with_planes(manager->drm_dev, crtc, plane, NULL,
+ &exynos_crtc_funcs);
+ if (ret < 0)
+ goto err_crtc;
+
drm_crtc_helper_add(crtc, &exynos_crtc_helper_funcs);
exynos_drm_crtc_attach_mode_property(crtc);
return 0;
+
+err_crtc:
+ plane->funcs->destroy(plane);
+err_plane:
+ kfree(exynos_crtc);
+ return ret;
}
int exynos_drm_crtc_enable_vblank(struct drm_device *dev, int pipe)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c
index 9b00e4e..a439452 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c
@@ -86,8 +86,9 @@ static int exynos_drm_load(struct drm_device *dev, unsigned long flags)
struct drm_plane *plane;
unsigned long possible_crtcs = (1 << MAX_CRTC) - 1;
- plane = exynos_plane_init(dev, possible_crtcs, false);
- if (!plane)
+ plane = exynos_plane_init(dev, possible_crtcs,
+ DRM_PLANE_TYPE_OVERLAY);
+ if (IS_ERR(plane))
goto err_mode_config_cleanup;
}
diff --git a/drivers/gpu/drm/exynos/exynos_drm_plane.c b/drivers/gpu/drm/exynos/exynos_drm_plane.c
index 8371cbd..15e37a0 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_plane.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_plane.c
@@ -139,6 +139,8 @@ int exynos_plane_mode_set(struct drm_plane *plane, struct drm_crtc *crtc,
overlay->crtc_x, overlay->crtc_y,
overlay->crtc_width, overlay->crtc_height);
+ plane->crtc = crtc;
+
exynos_drm_crtc_plane_mode_set(crtc, overlay);
return 0;
@@ -254,25 +256,26 @@ static void exynos_plane_attach_zpos_property(struct drm_plane *plane)
}
struct drm_plane *exynos_plane_init(struct drm_device *dev,
- unsigned long possible_crtcs, bool priv)
+ unsigned long possible_crtcs,
+ enum drm_plane_type type)
{
struct exynos_plane *exynos_plane;
int err;
exynos_plane = kzalloc(sizeof(struct exynos_plane), GFP_KERNEL);
if (!exynos_plane)
- return NULL;
+ return ERR_PTR(-ENOMEM);
- err = drm_plane_init(dev, &exynos_plane->base, possible_crtcs,
- &exynos_plane_funcs, formats, ARRAY_SIZE(formats),
- priv);
+ err = drm_universal_plane_init(dev, &exynos_plane->base, possible_crtcs,
+ &exynos_plane_funcs, formats,
+ ARRAY_SIZE(formats), type);
if (err) {
DRM_ERROR("failed to initialize plane\n");
kfree(exynos_plane);
- return NULL;
+ return ERR_PTR(err);
}
- if (priv)
+ if (type == DRM_PLANE_TYPE_PRIMARY)
exynos_plane->overlay.zpos = DEFAULT_ZPOS;
else
exynos_plane_attach_zpos_property(&exynos_plane->base);
diff --git a/drivers/gpu/drm/exynos/exynos_drm_plane.h b/drivers/gpu/drm/exynos/exynos_drm_plane.h
index 84d464c..0d1986b 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_plane.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_plane.h
@@ -17,4 +17,5 @@ int exynos_plane_mode_set(struct drm_plane *plane, struct drm_crtc *crtc,
void exynos_plane_commit(struct drm_plane *plane);
void exynos_plane_dpms(struct drm_plane *plane, int mode);
struct drm_plane *exynos_plane_init(struct drm_device *dev,
- unsigned long possible_crtcs, bool priv);
+ unsigned long possible_crtcs,
+ enum drm_plane_type type);
--
1.9.1
--
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