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Commit 00fd78e5 authored by David Herrmann's avatar David Herrmann Committed by Dave Airlie
Browse files

drm: provide agp dummies for CONFIG_AGP=n 



We currently rely on gcc dead-code elimination so the drm_agp_* helpers
are not called if drm_core_has_AGP() is false. That's ugly as hell so
provide "static inline" dummies for the case that AGP is disabled.

Fixes a build-regression introduced by:

  commit 28ec711c
  Author: David Herrmann <dh.herrmann@gmail.com>
  Date:   Sat Jul 27 16:37:00 2013 +0200

      drm/agp: move AGP cleanup paths to drm_agpsupport.c

v2: switch #ifdef -> #if (spotted by Stephen)

Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Tested-by: default avatarStephen Warren <swarren@nvidia.com>
Signed-off-by: default avatarDavid Herrmann <dh.herrmann@gmail.com>
Signed-off-by: default avatarDave Airlie <airlied@gmail.com>
parent 32c913e4

include/drm/drmP.h

+2 −47
Original line number Original line Diff line number Diff line
@@ -62,10 +62,8 @@ 
#endif

#endif

#include <asm/mman.h>

#include <asm/mman.h>

#include <asm/uaccess.h>

#include <asm/uaccess.h>

#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE)

#include <linux/types.h>

#include <linux/types.h>

#include <linux/agp_backend.h>

#include <linux/agp_backend.h>

#endif

#include <linux/workqueue.h>

#include <linux/workqueue.h>

#include <linux/poll.h>

#include <linux/poll.h>

#include <asm/pgalloc.h>

#include <asm/pgalloc.h>
@@ -1226,16 +1224,6 @@ static inline int drm_dev_to_irq(struct drm_device *dev) 
	return dev->driver->bus->get_irq(dev);

	return dev->driver->bus->get_irq(dev);

}

}







#if __OS_HAS_AGP

static inline int drm_core_has_AGP(struct drm_device *dev)

{

	return drm_core_check_feature(dev, DRIVER_USE_AGP);

}

#else

#define drm_core_has_AGP(dev) (0)

#endif



#if __OS_HAS_MTRR

#if __OS_HAS_MTRR

static inline int drm_core_has_MTRR(struct drm_device *dev)

static inline int drm_core_has_MTRR(struct drm_device *dev)

{

{
@@ -1292,14 +1280,6 @@ extern unsigned int drm_poll(struct file *filp, struct poll_table_struct *wait); 




				/* Memory management support (drm_memory.h) */

				/* Memory management support (drm_memory.h) */

#include <drm/drm_memory.h>

#include <drm/drm_memory.h>

extern void drm_free_agp(DRM_AGP_MEM * handle, int pages);

extern int drm_bind_agp(DRM_AGP_MEM * handle, unsigned int start);

extern DRM_AGP_MEM *drm_agp_bind_pages(struct drm_device *dev,

				       struct page **pages,

				       unsigned long num_pages,

				       uint32_t gtt_offset,

				       uint32_t type);

extern int drm_unbind_agp(DRM_AGP_MEM * handle);





				/* Misc. IOCTL support (drm_ioctl.h) */

				/* Misc. IOCTL support (drm_ioctl.h) */

extern int drm_irq_by_busid(struct drm_device *dev, void *data,

extern int drm_irq_by_busid(struct drm_device *dev, void *data,
@@ -1453,33 +1433,8 @@ extern int drm_modeset_ctl(struct drm_device *dev, void *data, 
			   struct drm_file *file_priv);

			   struct drm_file *file_priv);





				/* AGP/GART support (drm_agpsupport.h) */

				/* AGP/GART support (drm_agpsupport.h) */

extern struct drm_agp_head *drm_agp_init(struct drm_device *dev);



extern void drm_agp_destroy(struct drm_agp_head *agp);

#include <drm/drm_agpsupport.h>

extern void drm_agp_clear(struct drm_device *dev);

extern int drm_agp_acquire(struct drm_device *dev);

extern int drm_agp_acquire_ioctl(struct drm_device *dev, void *data,

				 struct drm_file *file_priv);

extern int drm_agp_release(struct drm_device *dev);

extern int drm_agp_release_ioctl(struct drm_device *dev, void *data,

				 struct drm_file *file_priv);

extern int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode);

extern int drm_agp_enable_ioctl(struct drm_device *dev, void *data,

				struct drm_file *file_priv);

extern int drm_agp_info(struct drm_device *dev, struct drm_agp_info *info);

extern int drm_agp_info_ioctl(struct drm_device *dev, void *data,

			struct drm_file *file_priv);

extern int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request);

extern int drm_agp_alloc_ioctl(struct drm_device *dev, void *data,

			 struct drm_file *file_priv);

extern int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request);

extern int drm_agp_free_ioctl(struct drm_device *dev, void *data,

			struct drm_file *file_priv);

extern int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request);

extern int drm_agp_unbind_ioctl(struct drm_device *dev, void *data,

			  struct drm_file *file_priv);

extern int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request);

extern int drm_agp_bind_ioctl(struct drm_device *dev, void *data,

			struct drm_file *file_priv);





				/* Stub support (drm_stub.h) */

				/* Stub support (drm_stub.h) */

extern int drm_setmaster_ioctl(struct drm_device *dev, void *data,

extern int drm_setmaster_ioctl(struct drm_device *dev, void *data,

include/drm/drm_agpsupport.h

0 → 100644
+194 −0
Original line number Original line Diff line number Diff line 
#ifndef _DRM_AGPSUPPORT_H_

#define _DRM_AGPSUPPORT_H_



#include <linux/kernel.h>

#include <linux/mm.h>

#include <linux/mutex.h>

#include <linux/types.h>

#include <linux/agp_backend.h>

#include <drm/drmP.h>



#if __OS_HAS_AGP



void drm_free_agp(DRM_AGP_MEM * handle, int pages);

int drm_bind_agp(DRM_AGP_MEM * handle, unsigned int start);

int drm_unbind_agp(DRM_AGP_MEM * handle);

DRM_AGP_MEM *drm_agp_bind_pages(struct drm_device *dev,

				struct page **pages,

				unsigned long num_pages,

				uint32_t gtt_offset,

				uint32_t type);



struct drm_agp_head *drm_agp_init(struct drm_device *dev);

void drm_agp_destroy(struct drm_agp_head *agp);

void drm_agp_clear(struct drm_device *dev);

int drm_agp_acquire(struct drm_device *dev);

int drm_agp_acquire_ioctl(struct drm_device *dev, void *data,

			  struct drm_file *file_priv);

int drm_agp_release(struct drm_device *dev);

int drm_agp_release_ioctl(struct drm_device *dev, void *data,

			  struct drm_file *file_priv);

int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode);

int drm_agp_enable_ioctl(struct drm_device *dev, void *data,

			 struct drm_file *file_priv);

int drm_agp_info(struct drm_device *dev, struct drm_agp_info *info);

int drm_agp_info_ioctl(struct drm_device *dev, void *data,

		       struct drm_file *file_priv);

int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request);

int drm_agp_alloc_ioctl(struct drm_device *dev, void *data,

			struct drm_file *file_priv);

int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request);

int drm_agp_free_ioctl(struct drm_device *dev, void *data,

		       struct drm_file *file_priv);

int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request);

int drm_agp_unbind_ioctl(struct drm_device *dev, void *data,

			 struct drm_file *file_priv);

int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request);

int drm_agp_bind_ioctl(struct drm_device *dev, void *data,

		       struct drm_file *file_priv);



static inline int drm_core_has_AGP(struct drm_device *dev)

{

	return drm_core_check_feature(dev, DRIVER_USE_AGP);

}



#else /* __OS_HAS_AGP */



static inline void drm_free_agp(DRM_AGP_MEM * handle, int pages)

{

}



static inline int drm_bind_agp(DRM_AGP_MEM * handle, unsigned int start)

{

	return -ENODEV;

}



static inline int drm_unbind_agp(DRM_AGP_MEM * handle)

{

	return -ENODEV;

}



static inline DRM_AGP_MEM *drm_agp_bind_pages(struct drm_device *dev,

					      struct page **pages,

					      unsigned long num_pages,

					      uint32_t gtt_offset,

					      uint32_t type)

{

	return NULL;

}



static inline struct drm_agp_head *drm_agp_init(struct drm_device *dev)

{

	return NULL;

}



static inline void drm_agp_destroy(struct drm_agp_head *agp)

{

}



static inline void drm_agp_clear(struct drm_device *dev)

{

}



static inline int drm_agp_acquire(struct drm_device *dev)

{

	return -ENODEV;

}



static inline int drm_agp_acquire_ioctl(struct drm_device *dev, void *data,

					struct drm_file *file_priv)

{

	return -ENODEV;

}



static inline int drm_agp_release(struct drm_device *dev)

{

	return -ENODEV;

}



static inline int drm_agp_release_ioctl(struct drm_device *dev, void *data,

					struct drm_file *file_priv)

{

	return -ENODEV;

}



static inline int drm_agp_enable(struct drm_device *dev,

				 struct drm_agp_mode mode)

{

	return -ENODEV;

}



static inline int drm_agp_enable_ioctl(struct drm_device *dev, void *data,

				       struct drm_file *file_priv)

{

	return -ENODEV;

}



static inline int drm_agp_info(struct drm_device *dev,

			       struct drm_agp_info *info)

{

	return -ENODEV;

}



static inline int drm_agp_info_ioctl(struct drm_device *dev, void *data,

				     struct drm_file *file_priv)

{

	return -ENODEV;

}



static inline int drm_agp_alloc(struct drm_device *dev,

				struct drm_agp_buffer *request)

{

	return -ENODEV;

}



static inline int drm_agp_alloc_ioctl(struct drm_device *dev, void *data,

				      struct drm_file *file_priv)

{

	return -ENODEV;

}



static inline int drm_agp_free(struct drm_device *dev,

			       struct drm_agp_buffer *request)

{

	return -ENODEV;

}



static inline int drm_agp_free_ioctl(struct drm_device *dev, void *data,

				     struct drm_file *file_priv)

{

	return -ENODEV;

}



static inline int drm_agp_unbind(struct drm_device *dev,

				 struct drm_agp_binding *request)

{

	return -ENODEV;

}



static inline int drm_agp_unbind_ioctl(struct drm_device *dev, void *data,

				       struct drm_file *file_priv)

{

	return -ENODEV;

}



static inline int drm_agp_bind(struct drm_device *dev,

			       struct drm_agp_binding *request)

{

	return -ENODEV;

}



static inline int drm_agp_bind_ioctl(struct drm_device *dev, void *data,

				     struct drm_file *file_priv)

{

	return -ENODEV;

}



static inline int drm_core_has_AGP(struct drm_device *dev)

{

	return 0;

}



#endif /* __OS_HAS_AGP */



#endif /* _DRM_AGPSUPPORT_H_ */