From: Andrzej Hajda a.hajda@samsung.com
The patch separates dpi related routines from fimd.
Changelog v2: - Rename ctx->dpi to ctx->display
Signed-off-by: Andrzej Hajda a.hajda@samsung.com Signed-off-by: Inki Dae inki.dae@samsung.com --- drivers/gpu/drm/exynos/exynos_drm_dpi.c | 40 +++++------ drivers/gpu/drm/exynos/exynos_drm_drv.h | 15 ++-- drivers/gpu/drm/exynos/exynos_drm_fimd.c | 109 ++++++++++++------------------ 3 files changed, 69 insertions(+), 95 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_dpi.c b/drivers/gpu/drm/exynos/exynos_drm_dpi.c index ac206e7..03cb126 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_dpi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_dpi.c @@ -40,20 +40,10 @@ exynos_dpi_detect(struct drm_connector *connector, bool force) { struct exynos_dpi *ctx = connector_to_dpi(connector);
- /* panels supported only by boot-loader are always connected */ - if (!ctx->panel_node) - return connector_status_connected; - - if (!ctx->panel) { - ctx->panel = of_drm_find_panel(ctx->panel_node); - if (ctx->panel) - drm_panel_attach(ctx->panel, &ctx->connector); - } + if (!ctx->panel->connector) + drm_panel_attach(ctx->panel, &ctx->connector);
- if (ctx->panel) - return connector_status_connected; - - return connector_status_disconnected; + return connector_status_connected; }
static void exynos_dpi_connector_destroy(struct drm_connector *connector) @@ -291,8 +281,10 @@ static int exynos_dpi_parse_dt(struct exynos_dpi *ctx) return -ENOMEM;
ret = of_get_videomode(dn, vm, 0); - if (ret < 0) + if (ret < 0) { + devm_kfree(dev, vm); return ret; + }
ctx->vm = vm;
@@ -305,27 +297,35 @@ static int exynos_dpi_parse_dt(struct exynos_dpi *ctx) return 0; }
-int exynos_dpi_probe(struct drm_device *drm_dev, struct device *dev) +struct exynos_drm_display *exynos_dpi_probe(struct device *dev) { struct exynos_dpi *ctx; int ret;
ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL); if (!ctx) - return -ENOMEM; + return NULL;
ctx->dev = dev; exynos_dpi_display.ctx = ctx; ctx->dpms_mode = DRM_MODE_DPMS_OFF;
ret = exynos_dpi_parse_dt(ctx); - if (ret < 0) - return ret; + if (ret < 0) { + devm_kfree(dev, ctx); + return NULL; + } + + if (ctx->panel_node) { + ctx->panel = of_drm_find_panel(ctx->panel_node); + if (!ctx->panel) + return ERR_PTR(-EPROBE_DEFER); + }
- return exynos_drm_create_enc_conn(drm_dev, &exynos_dpi_display); + return &exynos_dpi_display; }
-int exynos_dpi_remove(struct drm_device *drm_dev, struct device *dev) +int exynos_dpi_remove(struct device *dev) { struct drm_encoder *encoder = exynos_dpi_display.encoder; struct exynos_dpi *ctx = exynos_dpi_display.ctx; diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h index a589dfb..257ce09 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.h +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h @@ -334,17 +334,12 @@ int exynos_platform_device_ipp_register(void); void exynos_platform_device_ipp_unregister(void);
#ifdef CONFIG_DRM_EXYNOS_DPI -int exynos_dpi_probe(struct drm_device *drm_dev, struct device *dev); -int exynos_dpi_remove(struct drm_device *drm_dev, struct device *dev); -struct device_node *exynos_dpi_of_find_panel_node(struct device *dev); +struct exynos_drm_display * exynos_dpi_probe(struct device *dev); +int exynos_dpi_remove(struct device *dev); #else -static inline int exynos_dpi_probe(struct drm_device *drm_dev, - struct device *dev) { return 0; } -static inline int exynos_dpi_remove(struct drm_device *drm_dev, - struct device *dev) { return 0; } -static inline struct device_node - *exynos_dpi_of_find_panel_node(struct device *dev) -{ return NULL; } +static inline struct exynos_drm_display * +exynos_dpi_probe(struct device *dev) { return 0; } +static inline int exynos_dpi_remove(struct device *dev) { return 0; } #endif
/* diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c index b26b27e..dd8637b 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c @@ -24,7 +24,6 @@ #include <video/of_display_timing.h> #include <video/of_videomode.h> #include <video/samsung_fimd.h> -#include <drm/drm_panel.h> #include <drm/exynos_drm.h>
#include "exynos_drm_drv.h" @@ -124,6 +123,7 @@ struct fimd_context {
struct exynos_drm_panel_info panel; struct fimd_driver_data *driver_data; + struct exynos_drm_display *display; };
static const struct of_device_id fimd_driver_dt_match[] = { @@ -853,12 +853,49 @@ out:
static int fimd_bind(struct device *dev, struct device *master, void *data) { - struct platform_device *pdev = to_platform_device(dev); + struct fimd_context *ctx = fimd_manager.ctx; struct drm_device *drm_dev = data; + int win; + + fimd_mgr_initialize(&fimd_manager, drm_dev); + exynos_drm_crtc_create(&fimd_manager); + if (ctx->display) + exynos_drm_create_enc_conn(drm_dev, ctx->display); + + for (win = 0; win < WINDOWS_NR; win++) + fimd_clear_win(ctx, win); + + return 0; + +} + +static void fimd_unbind(struct device *dev, struct device *master, + void *data) +{ + struct exynos_drm_manager *mgr = dev_get_drvdata(dev); + struct fimd_context *ctx = fimd_manager.ctx; + struct drm_crtc *crtc = mgr->crtc; + + fimd_dpms(mgr, DRM_MODE_DPMS_OFF); + + if (ctx->display) + exynos_dpi_remove(dev); + + fimd_mgr_remove(mgr); + + crtc->funcs->destroy(crtc); +} + +static const struct component_ops fimd_component_ops = { + .bind = fimd_bind, + .unbind = fimd_unbind, +}; + +static int fimd_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; struct fimd_context *ctx; - struct device_node *dn; struct resource *res; - int win; int ret = -EINVAL;
if (!dev->of_node) @@ -914,68 +951,10 @@ static int fimd_bind(struct device *dev, struct device *master, void *data) platform_set_drvdata(pdev, &fimd_manager);
fimd_manager.ctx = ctx; - fimd_mgr_initialize(&fimd_manager, drm_dev); - - exynos_drm_crtc_create(&fimd_manager); - - dn = exynos_dpi_of_find_panel_node(&pdev->dev); - if (dn) { - /* - * It should be called after exynos_drm_crtc_create call - * because exynos_dpi_probe call will try to find same lcd - * type of manager to setup possible_crtcs. - */ - exynos_dpi_probe(drm_dev, dev); - } - - for (win = 0; win < WINDOWS_NR; win++) - fimd_clear_win(ctx, win); - - return 0; -} - -static void fimd_unbind(struct device *dev, struct device *master, - void *data) -{ - struct exynos_drm_manager *mgr = dev_get_drvdata(dev); - struct drm_crtc *crtc = mgr->crtc; - struct device_node *dn;
- fimd_dpms(mgr, DRM_MODE_DPMS_OFF); - - dn = exynos_dpi_of_find_panel_node(dev); - if (dn) - exynos_dpi_remove(mgr->drm_dev, dev); - - fimd_mgr_remove(mgr); - - crtc->funcs->destroy(crtc); -} - -static const struct component_ops fimd_component_ops = { - .bind = fimd_bind, - .unbind = fimd_unbind, -}; - -static int fimd_probe(struct platform_device *pdev) -{ - struct device_node *dn; - - /* Check if fimd node has port node. */ - dn = exynos_dpi_of_find_panel_node(&pdev->dev); - if (dn) { - struct drm_panel *panel; - - /* - * Do not bind if there is the port node but a drm_panel - * isn't added to panel_list yet. - * In this case, fimd_probe will be called by defered probe - * again after the drm_panel is added to panel_list. - */ - panel = of_drm_find_panel(dn); - if (!panel) - return -EPROBE_DEFER; - } + ctx->display = exynos_dpi_probe(dev); + if (IS_ERR(ctx->display)) + return PTR_ERR(ctx->display);
pm_runtime_enable(&pdev->dev);