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Merge branch 'drm-patches' of master.kernel.org:/pub/scm/linux/kernel/git/airlied/drm-2.6 

* 'drm-patches' of master.kernel.org:/pub/scm/linux/kernel/git/airlied/drm-2.6:
  drm: Stop defining pci_pretty_name
  drm: r128: comment aligment with drm git
  drm: make kernel context switch same as for drm git tree.
  drm: fixup comment header style
  drm: savage: compat fix from drm git.
  drm: Unify radeon offset checking.
  i915_vblank_tasklet: Try harder to avoid tearing.
  DRM: handle pci_enable_device failure
  drm: fix return value check
This commit is contained in:
Linus Torvalds 2006-12-20 23:59:07 -08:00
parent e4ddc9cc62 f9841a8d60
commit ee2fae03d6
14 changed files with 191 additions and 120 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/char/drm/drmP.h
View File

@ -561,8 +561,7 @@ struct drm_driver {
int (*context_dtor) (struct drm_device * dev, int context);
int (*kernel_context_switch) (struct drm_device * dev, int old,
int new);
void (*kernel_context_switch_unlock) (struct drm_device * dev,
drm_lock_t *lock);
void (*kernel_context_switch_unlock) (struct drm_device * dev);
int (*vblank_wait) (struct drm_device * dev, unsigned int *sequence);
int (*vblank_wait2) (struct drm_device * dev, unsigned int *sequence);
int (*dri_library_name) (struct drm_device *dev, char *buf);
@ -1143,9 +1142,5 @@ extern void *drm_calloc(size_t nmemb, size_t size, int area);
extern unsigned long drm_core_get_map_ofs(drm_map_t * map);
extern unsigned long drm_core_get_reg_ofs(struct drm_device *dev);
#ifndef pci_pretty_name
#define pci_pretty_name(dev) ""
#endif
#endif /* __KERNEL__ */
#endif

2
drivers/char/drm/drm_lock.c
View File

@ -182,7 +182,7 @@ int drm_unlock(struct inode *inode, struct file *filp,
* modules but is required by the Sparc driver.
*/
if (dev->driver->kernel_context_switch_unlock)
dev->driver->kernel_context_switch_unlock(dev, &lock);
dev->driver->kernel_context_switch_unlock(dev);
else {
drm_lock_transfer(dev, &dev->lock.hw_lock->lock,
DRM_KERNEL_CONTEXT);

12
drivers/char/drm/drm_stub.c
View File

@ -211,14 +211,16 @@ int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent,
if (!dev)
return -ENOMEM;
pci_enable_device(pdev);
ret = pci_enable_device(pdev);
if (ret)
goto err_g1;
if ((ret = drm_fill_in_dev(dev, pdev, ent, driver))) {
printk(KERN_ERR "DRM: Fill_in_dev failed.\n");
goto err_g1;
goto err_g2;
}
if ((ret = drm_get_head(dev, &dev->primary)))
goto err_g1;
goto err_g2;
DRM_INFO("Initialized %s %d.%d.%d %s on minor %d\n",
driver->name, driver->major, driver->minor, driver->patchlevel,
@ -226,7 +228,9 @@ int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent,
return 0;
err_g1:
err_g2:
pci_disable_device(pdev);
err_g1:
drm_free(dev, sizeof(*dev), DRM_MEM_STUB);
return ret;
}

8
drivers/char/drm/drm_sysfs.c
View File

@ -45,8 +45,8 @@ struct class *drm_sysfs_create(struct module *owner, char *name)
int err;
class = class_create(owner, name);
if (!class) {
err = -ENOMEM;
if (IS_ERR(class)) {
err = PTR_ERR(class);
goto err_out;
}
@ -113,8 +113,8 @@ struct class_device *drm_sysfs_device_add(struct class *cs, drm_head_t *head)
MKDEV(DRM_MAJOR, head->minor),
&(head->dev->pdev)->dev,
"card%d", head->minor);
if (!class_dev) {
err = -ENOMEM;
if (IS_ERR(class_dev)) {
err = PTR_ERR(class_dev);
goto err_out;
}

201
drivers/char/drm/i915_irq.c
View File

@ -46,88 +46,167 @@ static void i915_vblank_tasklet(drm_device_t *dev)
{
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
unsigned long irqflags;
struct list_head *list, *tmp;
struct list_head *list, *tmp, hits, *hit;
int nhits, nrects, slice[2], upper[2], lower[2], i;
unsigned counter[2] = { atomic_read(&dev->vbl_received),
atomic_read(&dev->vbl_received2) };
drm_drawable_info_t *drw;
drm_i915_sarea_t *sarea_priv = dev_priv->sarea_priv;
u32 cpp = dev_priv->cpp;
u32 cmd = (cpp == 4) ? (XY_SRC_COPY_BLT_CMD |
XY_SRC_COPY_BLT_WRITE_ALPHA |
XY_SRC_COPY_BLT_WRITE_RGB)
: XY_SRC_COPY_BLT_CMD;
u32 pitchropcpp = (sarea_priv->pitch * cpp) | (0xcc << 16) |
(cpp << 23) | (1 << 24);
RING_LOCALS;
DRM_DEBUG("\n");
INIT_LIST_HEAD(&hits);
nhits = nrects = 0;
spin_lock_irqsave(&dev_priv->swaps_lock, irqflags);
/* Find buffer swaps scheduled for this vertical blank */
list_for_each_safe(list, tmp, &dev_priv->vbl_swaps.head) {
drm_i915_vbl_swap_t *vbl_swap =
list_entry(list, drm_i915_vbl_swap_t, head);
atomic_t *counter = vbl_swap->pipe ? &dev->vbl_received2 :
&dev->vbl_received;
if ((atomic_read(counter) - vbl_swap->sequence) <= (1<<23)) {
drm_drawable_info_t *drw;
if ((counter[vbl_swap->pipe] - vbl_swap->sequence) > (1<<23))
continue;
spin_unlock(&dev_priv->swaps_lock);
list_del(list);
dev_priv->swaps_pending--;
spin_lock(&dev->drw_lock);
spin_unlock(&dev_priv->swaps_lock);
spin_lock(&dev->drw_lock);
drw = drm_get_drawable_info(dev, vbl_swap->drw_id);
if (drw) {
int i, num_rects = drw->num_rects;
drm_clip_rect_t *rect = drw->rects;
drm_i915_sarea_t *sarea_priv =
dev_priv->sarea_priv;
u32 cpp = dev_priv->cpp;
u32 cmd = (cpp == 4) ? (XY_SRC_COPY_BLT_CMD |
XY_SRC_COPY_BLT_WRITE_ALPHA |
XY_SRC_COPY_BLT_WRITE_RGB)
: XY_SRC_COPY_BLT_CMD;
u32 pitchropcpp = (sarea_priv->pitch * cpp) |
(0xcc << 16) | (cpp << 23) |
(1 << 24);
RING_LOCALS;
drw = drm_get_drawable_info(dev, vbl_swap->drw_id);
i915_kernel_lost_context(dev);
if (!drw) {
spin_unlock(&dev->drw_lock);
drm_free(vbl_swap, sizeof(*vbl_swap), DRM_MEM_DRIVER);
spin_lock(&dev_priv->swaps_lock);
continue;
}
BEGIN_LP_RING(6);
list_for_each(hit, &hits) {
drm_i915_vbl_swap_t *swap_cmp =
list_entry(hit, drm_i915_vbl_swap_t, head);
drm_drawable_info_t *drw_cmp =
drm_get_drawable_info(dev, swap_cmp->drw_id);
OUT_RING(GFX_OP_DRAWRECT_INFO);
OUT_RING(0);
OUT_RING(0);
OUT_RING(sarea_priv->width |
sarea_priv->height << 16);
OUT_RING(sarea_priv->width |
sarea_priv->height << 16);
OUT_RING(0);
if (drw_cmp &&
drw_cmp->rects[0].y1 > drw->rects[0].y1) {
list_add_tail(list, hit);
break;
}
}
spin_unlock(&dev->drw_lock);
/* List of hits was empty, or we reached the end of it */
if (hit == &hits)
list_add_tail(list, hits.prev);
nhits++;
spin_lock(&dev_priv->swaps_lock);
}
if (nhits == 0) {
spin_unlock_irqrestore(&dev_priv->swaps_lock, irqflags);
return;
}
spin_unlock(&dev_priv->swaps_lock);
i915_kernel_lost_context(dev);
BEGIN_LP_RING(6);
OUT_RING(GFX_OP_DRAWRECT_INFO);
OUT_RING(0);
OUT_RING(0);
OUT_RING(sarea_priv->width | sarea_priv->height << 16);
OUT_RING(sarea_priv->width | sarea_priv->height << 16);
OUT_RING(0);
ADVANCE_LP_RING();
sarea_priv->ctxOwner = DRM_KERNEL_CONTEXT;
upper[0] = upper[1] = 0;
slice[0] = max(sarea_priv->pipeA_h / nhits, 1);
slice[1] = max(sarea_priv->pipeB_h / nhits, 1);
lower[0] = sarea_priv->pipeA_y + slice[0];
lower[1] = sarea_priv->pipeB_y + slice[0];
spin_lock(&dev->drw_lock);
/* Emit blits for buffer swaps, partitioning both outputs into as many
* slices as there are buffer swaps scheduled in order to avoid tearing
* (based on the assumption that a single buffer swap would always
* complete before scanout starts).
*/
for (i = 0; i++ < nhits;
upper[0] = lower[0], lower[0] += slice[0],
upper[1] = lower[1], lower[1] += slice[1]) {
if (i == nhits)
lower[0] = lower[1] = sarea_priv->height;
list_for_each(hit, &hits) {
drm_i915_vbl_swap_t *swap_hit =
list_entry(hit, drm_i915_vbl_swap_t, head);
drm_clip_rect_t *rect;
int num_rects, pipe;
unsigned short top, bottom;
drw = drm_get_drawable_info(dev, swap_hit->drw_id);
if (!drw)
continue;
rect = drw->rects;
pipe = swap_hit->pipe;
top = upper[pipe];
bottom = lower[pipe];
for (num_rects = drw->num_rects; num_rects--; rect++) {
int y1 = max(rect->y1, top);
int y2 = min(rect->y2, bottom);
if (y1 >= y2)
continue;
BEGIN_LP_RING(8);
OUT_RING(cmd);
OUT_RING(pitchropcpp);
OUT_RING((y1 << 16) | rect->x1);
OUT_RING((y2 << 16) | rect->x2);
OUT_RING(sarea_priv->front_offset);
OUT_RING((y1 << 16) | rect->x1);
OUT_RING(pitchropcpp & 0xffff);
OUT_RING(sarea_priv->back_offset);
ADVANCE_LP_RING();
sarea_priv->ctxOwner = DRM_KERNEL_CONTEXT;
for (i = 0; i < num_rects; i++, rect++) {
BEGIN_LP_RING(8);
OUT_RING(cmd);
OUT_RING(pitchropcpp);
OUT_RING((rect->y1 << 16) | rect->x1);
OUT_RING((rect->y2 << 16) | rect->x2);
OUT_RING(sarea_priv->front_offset);
OUT_RING((rect->y1 << 16) | rect->x1);
OUT_RING(pitchropcpp & 0xffff);
OUT_RING(sarea_priv->back_offset);
ADVANCE_LP_RING();
}
}
spin_unlock(&dev->drw_lock);
spin_lock(&dev_priv->swaps_lock);
list_del(list);
drm_free(vbl_swap, sizeof(*vbl_swap), DRM_MEM_DRIVER);
dev_priv->swaps_pending--;
}
}
spin_unlock_irqrestore(&dev_priv->swaps_lock, irqflags);
spin_unlock_irqrestore(&dev->drw_lock, irqflags);
list_for_each_safe(hit, tmp, &hits) {
drm_i915_vbl_swap_t *swap_hit =
list_entry(hit, drm_i915_vbl_swap_t, head);
list_del(hit);
drm_free(swap_hit, sizeof(*swap_hit), DRM_MEM_DRIVER);
}
}
irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)

3
drivers/char/drm/r128_drm.h
View File

@ -1,7 +1,8 @@
/* r128_drm.h -- Public header for the r128 driver -*- linux-c -*-
* Created: Wed Apr 5 19:24:19 2000 by kevin@precisioninsight.com
*/
/* Copyright 2000 Precision Insight, Inc., Cedar Park, Texas.
/*
* Copyright 2000 Precision Insight, Inc., Cedar Park, Texas.
* Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
* All rights reserved.
*

3
drivers/char/drm/r128_drv.h
View File

@ -1,7 +1,8 @@
/* r128_drv.h -- Private header for r128 driver -*- linux-c -*-
* Created: Mon Dec 13 09:51:11 1999 by faith@precisioninsight.com
*/
/* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
/*
* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
* Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
* All rights reserved.
*

3
drivers/char/drm/r128_state.c
View File

@ -1,7 +1,8 @@
/* r128_state.c -- State support for r128 -*- linux-c -*-
* Created: Thu Jan 27 02:53:43 2000 by gareth@valinux.com
*/
/* Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
/*
* Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a

32
drivers/char/drm/r300_cmdbuf.c
View File

@ -242,26 +242,6 @@ static __inline__ int r300_check_range(unsigned reg, int count)
return 0;
}
/*
* we expect offsets passed to the framebuffer to be either within video
* memory or within AGP space
*/
static __inline__ int r300_check_offset(drm_radeon_private_t *dev_priv,
u32 offset)
{
/* we realy want to check against end of video aperture
but this value is not being kept.
This code is correct for now (does the same thing as the
code that sets MC_FB_LOCATION) in radeon_cp.c */
if (offset >= dev_priv->fb_location &&
offset < (dev_priv->fb_location + dev_priv->fb_size))
return 0;
if (offset >= dev_priv->gart_vm_start &&
offset < (dev_priv->gart_vm_start + dev_priv->gart_size))
return 0;
return 1;
}
static __inline__ int r300_emit_carefully_checked_packet0(drm_radeon_private_t *
dev_priv,
drm_radeon_kcmd_buffer_t
@ -290,7 +270,7 @@ static __inline__ int r300_emit_carefully_checked_packet0(drm_radeon_private_t *
case MARK_SAFE:
break;
case MARK_CHECK_OFFSET:
if (r300_check_offset(dev_priv, (u32) values[i])) {
if (!radeon_check_offset(dev_priv, (u32) values[i])) {
DRM_ERROR
("Offset failed range check (reg=%04x sz=%d)\n",
reg, sz);
@ -452,7 +432,7 @@ static __inline__ int r300_emit_3d_load_vbpntr(drm_radeon_private_t *dev_priv,
i = 1;
while ((k < narrays) && (i < (count + 1))) {
i++; /* skip attribute field */
if (r300_check_offset(dev_priv, payload[i])) {
if (!radeon_check_offset(dev_priv, payload[i])) {
DRM_ERROR
("Offset failed range check (k=%d i=%d) while processing 3D_LOAD_VBPNTR packet.\n",
k, i);
@ -463,7 +443,7 @@ static __inline__ int r300_emit_3d_load_vbpntr(drm_radeon_private_t *dev_priv,
if (k == narrays)
break;
/* have one more to process, they come in pairs */
if (r300_check_offset(dev_priv, payload[i])) {
if (!radeon_check_offset(dev_priv, payload[i])) {
DRM_ERROR
("Offset failed range check (k=%d i=%d) while processing 3D_LOAD_VBPNTR packet.\n",
k, i);
@ -508,7 +488,7 @@ static __inline__ int r300_emit_bitblt_multi(drm_radeon_private_t *dev_priv,
if (cmd[1] & (RADEON_GMC_SRC_PITCH_OFFSET_CNTL
| RADEON_GMC_DST_PITCH_OFFSET_CNTL)) {
offset = cmd[2] << 10;
ret = r300_check_offset(dev_priv, offset);
ret = !radeon_check_offset(dev_priv, offset);
if (ret) {
DRM_ERROR("Invalid bitblt first offset is %08X\n", offset);
return DRM_ERR(EINVAL);
@ -518,7 +498,7 @@ static __inline__ int r300_emit_bitblt_multi(drm_radeon_private_t *dev_priv,
if ((cmd[1] & RADEON_GMC_SRC_PITCH_OFFSET_CNTL) &&
(cmd[1] & RADEON_GMC_DST_PITCH_OFFSET_CNTL)) {
offset = cmd[3] << 10;
ret = r300_check_offset(dev_priv, offset);
ret = !radeon_check_offset(dev_priv, offset);
if (ret) {
DRM_ERROR("Invalid bitblt second offset is %08X\n", offset);
return DRM_ERR(EINVAL);
@ -551,7 +531,7 @@ static __inline__ int r300_emit_indx_buffer(drm_radeon_private_t *dev_priv,
DRM_ERROR("Invalid indx_buffer reg address %08X\n", cmd[1]);
return DRM_ERR(EINVAL);
}
ret = r300_check_offset(dev_priv, cmd[2]);
ret = !radeon_check_offset(dev_priv, cmd[2]);
if (ret) {
DRM_ERROR("Invalid indx_buffer offset is %08X\n", cmd[2]);
return DRM_ERR(EINVAL);

15
drivers/char/drm/radeon_drv.h
View File

@ -303,6 +303,21 @@ extern int radeon_no_wb;
extern drm_ioctl_desc_t radeon_ioctls[];
extern int radeon_max_ioctl;
/* Check whether the given hardware address is inside the framebuffer or the
* GART area.
*/
static __inline__ int radeon_check_offset(drm_radeon_private_t *dev_priv,
u64 off)
{
u32 fb_start = dev_priv->fb_location;
u32 fb_end = fb_start + dev_priv->fb_size - 1;
u32 gart_start = dev_priv->gart_vm_start;
u32 gart_end = gart_start + dev_priv->gart_size - 1;
return ((off >= fb_start && off <= fb_end) ||
(off >= gart_start && off <= gart_end));
}
/* radeon_cp.c */
extern int radeon_cp_init(DRM_IOCTL_ARGS);
extern int radeon_cp_start(DRM_IOCTL_ARGS);

4
drivers/char/drm/radeon_irq.c
View File

@ -1,5 +1,5 @@
/* radeon_irq.c -- IRQ handling for radeon -*- linux-c -*-
*
/* radeon_irq.c -- IRQ handling for radeon -*- linux-c -*- */
/*
* Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved.
*
* The Weather Channel (TM) funded Tungsten Graphics to develop the

4
drivers/char/drm/radeon_mem.c
View File

@ -1,5 +1,5 @@
/* radeon_mem.c -- Simple GART/fb memory manager for radeon -*- linux-c -*-
*
/* radeon_mem.c -- Simple GART/fb memory manager for radeon -*- linux-c -*- */
/*
* Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved.
*
* The Weather Channel (TM) funded Tungsten Graphics to develop the

13
drivers/char/drm/radeon_state.c
View File

@ -43,10 +43,7 @@ static __inline__ int radeon_check_and_fixup_offset(drm_radeon_private_t *
u32 *offset)
{
u64 off = *offset;
u32 fb_start = dev_priv->fb_location;
u32 fb_end = fb_start + dev_priv->fb_size - 1;
u32 gart_start = dev_priv->gart_vm_start;
u32 gart_end = gart_start + dev_priv->gart_size - 1;
u32 fb_end = dev_priv->fb_location + dev_priv->fb_size - 1;
struct drm_radeon_driver_file_fields *radeon_priv;
/* Hrm ... the story of the offset ... So this function converts
@ -66,8 +63,7 @@ static __inline__ int radeon_check_and_fixup_offset(drm_radeon_private_t *
/* First, the best case, the offset already lands in either the
* framebuffer or the GART mapped space
*/
if ((off >= fb_start && off <= fb_end) ||
(off >= gart_start && off <= gart_end))
if (radeon_check_offset(dev_priv, off))
return 0;
/* Ok, that didn't happen... now check if we have a zero based
@ -81,11 +77,10 @@ static __inline__ int radeon_check_and_fixup_offset(drm_radeon_private_t *
/* Finally, assume we aimed at a GART offset if beyond the fb */
if (off > fb_end)
off = off - fb_end - 1 + gart_start;
off = off - fb_end - 1 + dev_priv->gart_vm_start;
/* Now recheck and fail if out of bounds */
if ((off >= fb_start && off <= fb_end) ||
(off >= gart_start && off <= gart_end)) {
if (radeon_check_offset(dev_priv, off)) {
DRM_DEBUG("offset fixed up to 0x%x\n", (unsigned int)off);
*offset = off;
return 0;

4
drivers/char/drm/savage_bci.c
View File

@ -963,8 +963,8 @@ static int savage_bci_event_emit(DRM_IOCTL_ARGS)
event.count = savage_bci_emit_event(dev_priv, event.flags);
event.count |= dev_priv->event_wrap << 16;
DRM_COPY_TO_USER_IOCTL(&((drm_savage_event_emit_t __user *) data)->
count, event.count, sizeof(event.count));
DRM_COPY_TO_USER_IOCTL((drm_savage_event_emit_t __user *) data,
event, sizeof(event));
return 0;
}