mirror of
https://github.com/torvalds/linux
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11b3c20bdd
The integer returned by the unload hook is ignored by the drm core, so
let's make it void.
This patch was created using the following Coccinelle semantic script
(except for the declaration and comment in drm_drv.h):
Compile-tested only.
// <smpl>
@ get_name @
struct drm_driver drv;
identifier fn;
@@
drv.unload = fn;
@ replace_type @
identifier get_name.fn;
@@
- int
+ void
fn (...)
{
...
}
@ remove_return_param @
identifier get_name.fn;
@@
void fn (...)
{
<...
if (...)
return
- ...
;
...>
}
@ drop_final_return @
identifier get_name.fn;
@@
void fn (...)
{
...
- return 0;
}
// </smpl>
Suggested-by: Daniel Vetter <daniel.vetter@intel.com>
Signed-off-by: Gabriel Krisman Bertazi <krisman@collabora.co.uk>
Acked-by: Christian König <christian.koenig@amd.com>.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20170106175731.29196-1-krisman@collabora.co.uk
166 lines
5.9 KiB
C
166 lines
5.9 KiB
C
/*
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* Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
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* Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sub license,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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* VIA, S3 GRAPHICS, AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#ifndef _VIA_DRV_H_
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#define _VIA_DRV_H_
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#include <drm/drm_mm.h>
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#include <drm/drm_legacy.h>
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#define DRIVER_AUTHOR "Various"
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#define DRIVER_NAME "via"
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#define DRIVER_DESC "VIA Unichrome / Pro"
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#define DRIVER_DATE "20070202"
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#define DRIVER_MAJOR 2
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#define DRIVER_MINOR 11
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#define DRIVER_PATCHLEVEL 1
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#include "via_verifier.h"
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#include "via_dmablit.h"
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#define VIA_PCI_BUF_SIZE 60000
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#define VIA_FIRE_BUF_SIZE 1024
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#define VIA_NUM_IRQS 4
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typedef struct drm_via_ring_buffer {
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drm_local_map_t map;
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char *virtual_start;
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} drm_via_ring_buffer_t;
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typedef uint32_t maskarray_t[5];
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typedef struct drm_via_irq {
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atomic_t irq_received;
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uint32_t pending_mask;
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uint32_t enable_mask;
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wait_queue_head_t irq_queue;
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} drm_via_irq_t;
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typedef struct drm_via_private {
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drm_via_sarea_t *sarea_priv;
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drm_local_map_t *sarea;
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drm_local_map_t *fb;
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drm_local_map_t *mmio;
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unsigned long agpAddr;
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wait_queue_head_t decoder_queue[VIA_NR_XVMC_LOCKS];
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char *dma_ptr;
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unsigned int dma_low;
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unsigned int dma_high;
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unsigned int dma_offset;
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uint32_t dma_wrap;
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volatile uint32_t *last_pause_ptr;
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volatile uint32_t *hw_addr_ptr;
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drm_via_ring_buffer_t ring;
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struct timeval last_vblank;
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int last_vblank_valid;
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unsigned usec_per_vblank;
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atomic_t vbl_received;
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drm_via_state_t hc_state;
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char pci_buf[VIA_PCI_BUF_SIZE];
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const uint32_t *fire_offsets[VIA_FIRE_BUF_SIZE];
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uint32_t num_fire_offsets;
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int chipset;
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drm_via_irq_t via_irqs[VIA_NUM_IRQS];
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unsigned num_irqs;
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maskarray_t *irq_masks;
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uint32_t irq_enable_mask;
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uint32_t irq_pending_mask;
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int *irq_map;
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unsigned int idle_fault;
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int vram_initialized;
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struct drm_mm vram_mm;
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int agp_initialized;
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struct drm_mm agp_mm;
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/** Mapping of userspace keys to mm objects */
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struct idr object_idr;
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unsigned long vram_offset;
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unsigned long agp_offset;
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drm_via_blitq_t blit_queues[VIA_NUM_BLIT_ENGINES];
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uint32_t dma_diff;
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} drm_via_private_t;
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struct via_file_private {
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struct list_head obj_list;
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};
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enum via_family {
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VIA_OTHER = 0, /* Baseline */
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VIA_PRO_GROUP_A, /* Another video engine and DMA commands */
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VIA_DX9_0 /* Same video as pro_group_a, but 3D is unsupported */
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};
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/* VIA MMIO register access */
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#define VIA_BASE ((dev_priv->mmio))
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#define VIA_READ(reg) DRM_READ32(VIA_BASE, reg)
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#define VIA_WRITE(reg, val) DRM_WRITE32(VIA_BASE, reg, val)
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#define VIA_READ8(reg) DRM_READ8(VIA_BASE, reg)
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#define VIA_WRITE8(reg, val) DRM_WRITE8(VIA_BASE, reg, val)
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extern const struct drm_ioctl_desc via_ioctls[];
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extern int via_max_ioctl;
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extern int via_fb_init(struct drm_device *dev, void *data, struct drm_file *file_priv);
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extern int via_mem_alloc(struct drm_device *dev, void *data, struct drm_file *file_priv);
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extern int via_mem_free(struct drm_device *dev, void *data, struct drm_file *file_priv);
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extern int via_agp_init(struct drm_device *dev, void *data, struct drm_file *file_priv);
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extern int via_map_init(struct drm_device *dev, void *data, struct drm_file *file_priv);
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extern int via_decoder_futex(struct drm_device *dev, void *data, struct drm_file *file_priv);
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extern int via_wait_irq(struct drm_device *dev, void *data, struct drm_file *file_priv);
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extern int via_dma_blit_sync(struct drm_device *dev, void *data, struct drm_file *file_priv);
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extern int via_dma_blit(struct drm_device *dev, void *data, struct drm_file *file_priv);
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extern int via_driver_load(struct drm_device *dev, unsigned long chipset);
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extern void via_driver_unload(struct drm_device *dev);
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extern int via_init_context(struct drm_device *dev, int context);
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extern int via_final_context(struct drm_device *dev, int context);
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extern int via_do_cleanup_map(struct drm_device *dev);
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extern u32 via_get_vblank_counter(struct drm_device *dev, unsigned int pipe);
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extern int via_enable_vblank(struct drm_device *dev, unsigned int pipe);
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extern void via_disable_vblank(struct drm_device *dev, unsigned int pipe);
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extern irqreturn_t via_driver_irq_handler(int irq, void *arg);
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extern void via_driver_irq_preinstall(struct drm_device *dev);
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extern int via_driver_irq_postinstall(struct drm_device *dev);
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extern void via_driver_irq_uninstall(struct drm_device *dev);
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extern int via_dma_cleanup(struct drm_device *dev);
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extern void via_init_command_verifier(void);
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extern int via_driver_dma_quiescent(struct drm_device *dev);
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extern void via_init_futex(drm_via_private_t *dev_priv);
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extern void via_cleanup_futex(drm_via_private_t *dev_priv);
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extern void via_release_futex(drm_via_private_t *dev_priv, int context);
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extern void via_reclaim_buffers_locked(struct drm_device *dev,
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struct drm_file *file_priv);
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extern void via_lastclose(struct drm_device *dev);
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extern void via_dmablit_handler(struct drm_device *dev, int engine, int from_irq);
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extern void via_init_dmablit(struct drm_device *dev);
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#endif
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