Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-12-22 19:01:37 +00:00
Code Issues Packages Projects Releases Wiki Activity

drm/i915: add constants to size fence arrays and fields

Browse Source 
In preparation of to support 32 fences on Ivybdrigde.

Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Keith Packard <keithp@keithp.com>
This commit is contained in:
Daniel Vetter 2011-10-09 21:52:02 +02:00 committed by Keith Packard
parent 775d17b6ca
commit 4b9de737fa
2 changed files with 10 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
drivers/gpu/drm/i915/i915_drv.h
View File

@ -126,6 +126,9 @@ struct drm_i915_master_private {
struct _drm_i915_sarea *sarea_priv;
};
#define I915_FENCE_REG_NONE -1
#define I915_MAX_NUM_FENCES 16
/* 16 fences + sign bit for FENCE_REG_NONE */
#define I915_MAX_NUM_FENCE_BITS 5
struct drm_i915_fence_reg {
struct list_head lru_list;
@ -168,7 +171,7 @@ struct drm_i915_error_state {
u32 instdone1;
u32 seqno;
u64 bbaddr;
u64 fence[16];
u64 fence[I915_MAX_NUM_FENCES];
struct timeval time;
struct drm_i915_error_object {
int page_count;
@ -182,7 +185,7 @@ struct drm_i915_error_state {
u32 gtt_offset;
u32 read_domains;
u32 write_domain;
s32 fence_reg:5;
s32 fence_reg:I915_MAX_NUM_FENCE_BITS;
s32 pinned:2;
u32 tiling:2;
u32 dirty:1;
@ -375,7 +378,7 @@ typedef struct drm_i915_private {
struct notifier_block lid_notifier;
int crt_ddc_pin;
struct drm_i915_fence_reg fence_regs[16]; /* assume 965 */
struct drm_i915_fence_reg fence_regs[I915_MAX_NUM_FENCES]; /* assume 965 */
int fence_reg_start; /* 4 if userland hasn't ioctl'd us yet */
int num_fence_regs; /* 8 on pre-965, 16 otherwise */
@ -506,7 +509,7 @@ typedef struct drm_i915_private {
u8 saveAR[21];
u8 saveDACMASK;
u8 saveCR[37];
uint64_t saveFENCE[16];
uint64_t saveFENCE[I915_MAX_NUM_FENCES];
u32 saveCURACNTR;
u32 saveCURAPOS;
u32 saveCURABASE;
@ -777,10 +780,8 @@ struct drm_i915_gem_object {
* Fence register bits (if any) for this object. Will be set
* as needed when mapped into the GTT.
* Protected by dev->struct_mutex.
*
* Size: 4 bits for 16 fences + sign (for FENCE_REG_NONE)
*/
signed int fence_reg:5;
signed int fence_reg:I915_MAX_NUM_FENCE_BITS;
/**
* Advice: are the backing pages purgeable?

4
drivers/gpu/drm/i915/i915_gem.c
View File

@ -1745,7 +1745,7 @@ static void i915_gem_reset_fences(struct drm_device *dev)
struct drm_i915_private *dev_priv = dev->dev_private;
int i;
for (i = 0; i < 16; i++) {
for (i = 0; i < dev_priv->num_fence_regs; i++) {
struct drm_i915_fence_reg *reg = &dev_priv->fence_regs[i];
struct drm_i915_gem_object *obj = reg->obj;
@ -3877,7 +3877,7 @@ i915_gem_load(struct drm_device *dev)
INIT_LIST_HEAD(&dev_priv->mm.gtt_list);
for (i = 0; i < I915_NUM_RINGS; i++)
init_ring_lists(&dev_priv->ring[i]);
for (i = 0; i < 16; i++)
for (i = 0; i < I915_MAX_NUM_FENCES; i++)
INIT_LIST_HEAD(&dev_priv->fence_regs[i].lru_list);
INIT_DELAYED_WORK(&dev_priv->mm.retire_work,
i915_gem_retire_work_handler);