[PATCH v3 5/5] drm/cma-helper: Remove unused fbdev code
Noralf Trønnes
noralf at tronnes.org
Wed Nov 28 21:27:13 UTC 2018
CMA helper drivers have been converted to drm_fbdev_generic_setup()
so the fbdev code can be removed.
v2: Clean up the includes some more (Laurent)
Cc: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
Signed-off-by: Noralf Trønnes <noralf at tronnes.org>
Acked-by: Sam Ravnborg <sam at ravnborg.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
---
drivers/gpu/drm/Kconfig | 4 --
drivers/gpu/drm/drm_fb_cma_helper.c | 137 +-----------------------------------
include/drm/drm_fb_cma_helper.h | 22 ------
3 files changed, 2 insertions(+), 161 deletions(-)
diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
index 4385f00e1d05..bd943a71756c 100644
--- a/drivers/gpu/drm/Kconfig
+++ b/drivers/gpu/drm/Kconfig
@@ -170,10 +170,6 @@ config DRM_KMS_CMA_HELPER
bool
depends on DRM
select DRM_GEM_CMA_HELPER
- select DRM_KMS_FB_HELPER
- select FB_SYS_FILLRECT
- select FB_SYS_COPYAREA
- select FB_SYS_IMAGEBLIT
help
Choose this if you need the KMS CMA helper functions
diff --git a/drivers/gpu/drm/drm_fb_cma_helper.c b/drivers/gpu/drm/drm_fb_cma_helper.c
index 5b516615881a..5f8074ffe7d9 100644
--- a/drivers/gpu/drm/drm_fb_cma_helper.c
+++ b/drivers/gpu/drm/drm_fb_cma_helper.c
@@ -17,20 +17,13 @@
* GNU General Public License for more details.
*/
-#include <drm/drmP.h>
-#include <drm/drm_client.h>
-#include <drm/drm_fb_helper.h>
+#include <drm/drm_fourcc.h>
#include <drm/drm_framebuffer.h>
#include <drm/drm_gem_cma_helper.h>
#include <drm/drm_gem_framebuffer_helper.h>
-#include <drm/drm_fb_cma_helper.h>
-#include <drm/drm_print.h>
+#include <drm/drm_plane.h>
#include <linux/module.h>
-struct drm_fbdev_cma {
- struct drm_fb_helper fb_helper;
-};
-
/**
* DOC: framebuffer cma helper functions
*
@@ -39,16 +32,8 @@ struct drm_fbdev_cma {
*
* drm_gem_fb_create() is used in the &drm_mode_config_funcs.fb_create
* callback function to create a cma backed framebuffer.
- *
- * An fbdev framebuffer backed by cma is also available by calling
- * drm_fb_cma_fbdev_init(). drm_fb_cma_fbdev_fini() tears it down.
*/
-static inline struct drm_fbdev_cma *to_fbdev_cma(struct drm_fb_helper *helper)
-{
- return container_of(helper, struct drm_fbdev_cma, fb_helper);
-}
-
/**
* drm_fb_cma_get_gem_obj() - Get CMA GEM object for framebuffer
* @fb: The framebuffer
@@ -119,121 +104,3 @@ dma_addr_t drm_fb_cma_get_gem_addr(struct drm_framebuffer *fb,
return paddr;
}
EXPORT_SYMBOL_GPL(drm_fb_cma_get_gem_addr);
-
-/**
- * drm_fb_cma_fbdev_init() - Allocate and initialize fbdev emulation
- * @dev: DRM device
- * @preferred_bpp: Preferred bits per pixel for the device.
- * @dev->mode_config.preferred_depth is used if this is zero.
- * @max_conn_count: Maximum number of connectors.
- * @dev->mode_config.num_connector is used if this is zero.
- *
- * Returns:
- * Zero on success or negative error code on failure.
- */
-int drm_fb_cma_fbdev_init(struct drm_device *dev, unsigned int preferred_bpp,
- unsigned int max_conn_count)
-{
- struct drm_fbdev_cma *fbdev_cma;
-
- /* dev->fb_helper will indirectly point to fbdev_cma after this call */
- fbdev_cma = drm_fbdev_cma_init(dev, preferred_bpp, max_conn_count);
- return PTR_ERR_OR_ZERO(fbdev_cma);
-}
-EXPORT_SYMBOL_GPL(drm_fb_cma_fbdev_init);
-
-/**
- * drm_fb_cma_fbdev_fini() - Teardown fbdev emulation
- * @dev: DRM device
- */
-void drm_fb_cma_fbdev_fini(struct drm_device *dev)
-{
- if (dev->fb_helper)
- drm_fbdev_cma_fini(to_fbdev_cma(dev->fb_helper));
-}
-EXPORT_SYMBOL_GPL(drm_fb_cma_fbdev_fini);
-
-static const struct drm_fb_helper_funcs drm_fb_cma_helper_funcs = {
- .fb_probe = drm_fb_helper_generic_probe,
-};
-
-/**
- * drm_fbdev_cma_init() - Allocate and initializes a drm_fbdev_cma struct
- * @dev: DRM device
- * @preferred_bpp: Preferred bits per pixel for the device
- * @max_conn_count: Maximum number of connectors
- *
- * Returns a newly allocated drm_fbdev_cma struct or a ERR_PTR.
- */
-struct drm_fbdev_cma *drm_fbdev_cma_init(struct drm_device *dev,
- unsigned int preferred_bpp, unsigned int max_conn_count)
-{
- struct drm_fbdev_cma *fbdev_cma;
- struct drm_fb_helper *fb_helper;
- int ret;
-
- fbdev_cma = kzalloc(sizeof(*fbdev_cma), GFP_KERNEL);
- if (!fbdev_cma)
- return ERR_PTR(-ENOMEM);
-
- fb_helper = &fbdev_cma->fb_helper;
-
- ret = drm_client_init(dev, &fb_helper->client, "fbdev", NULL);
- if (ret)
- goto err_free;
-
- ret = drm_fb_helper_fbdev_setup(dev, fb_helper, &drm_fb_cma_helper_funcs,
- preferred_bpp, max_conn_count);
- if (ret)
- goto err_client_put;
-
- drm_client_add(&fb_helper->client);
-
- return fbdev_cma;
-
-err_client_put:
- drm_client_release(&fb_helper->client);
-err_free:
- kfree(fbdev_cma);
-
- return ERR_PTR(ret);
-}
-EXPORT_SYMBOL_GPL(drm_fbdev_cma_init);
-
-/**
- * drm_fbdev_cma_fini() - Free drm_fbdev_cma struct
- * @fbdev_cma: The drm_fbdev_cma struct
- */
-void drm_fbdev_cma_fini(struct drm_fbdev_cma *fbdev_cma)
-{
- drm_fb_helper_unregister_fbi(&fbdev_cma->fb_helper);
- /* All resources have now been freed by drm_fbdev_fb_destroy() */
-}
-EXPORT_SYMBOL_GPL(drm_fbdev_cma_fini);
-
-/**
- * drm_fbdev_cma_restore_mode() - Restores initial framebuffer mode
- * @fbdev_cma: The drm_fbdev_cma struct, may be NULL
- *
- * This function is usually called from the &drm_driver.lastclose callback.
- */
-void drm_fbdev_cma_restore_mode(struct drm_fbdev_cma *fbdev_cma)
-{
- if (fbdev_cma)
- drm_fb_helper_restore_fbdev_mode_unlocked(&fbdev_cma->fb_helper);
-}
-EXPORT_SYMBOL_GPL(drm_fbdev_cma_restore_mode);
-
-/**
- * drm_fbdev_cma_hotplug_event() - Poll for hotpulug events
- * @fbdev_cma: The drm_fbdev_cma struct, may be NULL
- *
- * This function is usually called from the &drm_mode_config.output_poll_changed
- * callback.
- */
-void drm_fbdev_cma_hotplug_event(struct drm_fbdev_cma *fbdev_cma)
-{
- if (fbdev_cma)
- drm_fb_helper_hotplug_event(&fbdev_cma->fb_helper);
-}
-EXPORT_SYMBOL_GPL(drm_fbdev_cma_hotplug_event);
diff --git a/include/drm/drm_fb_cma_helper.h b/include/drm/drm_fb_cma_helper.h
index 8dbbe1eece1b..4becb09975a4 100644
--- a/include/drm/drm_fb_cma_helper.h
+++ b/include/drm/drm_fb_cma_helper.h
@@ -2,31 +2,9 @@
#ifndef __DRM_FB_CMA_HELPER_H__
#define __DRM_FB_CMA_HELPER_H__
-struct drm_fbdev_cma;
-struct drm_gem_cma_object;
-
-struct drm_fb_helper_surface_size;
-struct drm_framebuffer_funcs;
-struct drm_fb_helper_funcs;
struct drm_framebuffer;
-struct drm_fb_helper;
-struct drm_device;
-struct drm_file;
-struct drm_mode_fb_cmd2;
-struct drm_plane;
struct drm_plane_state;
-int drm_fb_cma_fbdev_init(struct drm_device *dev, unsigned int preferred_bpp,
- unsigned int max_conn_count);
-void drm_fb_cma_fbdev_fini(struct drm_device *dev);
-
-struct drm_fbdev_cma *drm_fbdev_cma_init(struct drm_device *dev,
- unsigned int preferred_bpp, unsigned int max_conn_count);
-void drm_fbdev_cma_fini(struct drm_fbdev_cma *fbdev_cma);
-
-void drm_fbdev_cma_restore_mode(struct drm_fbdev_cma *fbdev_cma);
-void drm_fbdev_cma_hotplug_event(struct drm_fbdev_cma *fbdev_cma);
-
struct drm_gem_cma_object *drm_fb_cma_get_gem_obj(struct drm_framebuffer *fb,
unsigned int plane);
--
2.15.1
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