diff options
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_proc.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_proc.c b/drivers/gpu/drm/i915/i915_gem_proc.c index e8d5abe1250e..4d1b9de0cd8b 100644 --- a/drivers/gpu/drm/i915/i915_gem_proc.c +++ b/drivers/gpu/drm/i915/i915_gem_proc.c @@ -250,6 +250,39 @@ static int i915_interrupt_info(char *buf, char **start, off_t offset, return len - offset; } +static int i915_hws_info(char *buf, char **start, off_t offset, + int request, int *eof, void *data) +{ + struct drm_minor *minor = (struct drm_minor *) data; + struct drm_device *dev = minor->dev; + drm_i915_private_t *dev_priv = dev->dev_private; + int len = 0, i; + volatile u32 *hws; + + if (offset > DRM_PROC_LIMIT) { + *eof = 1; + return 0; + } + + hws = (volatile u32 *)dev_priv->hw_status_page; + if (hws == NULL) { + *eof = 1; + return 0; + } + + *start = &buf[offset]; + *eof = 0; + for (i = 0; i < 4096 / sizeof(u32) / 4; i += 4) { + DRM_PROC_PRINT("0x%08x: 0x%08x 0x%08x 0x%08x 0x%08x\n", + i * 4, + hws[i], hws[i + 1], hws[i + 2], hws[i + 3]); + } + if (len > request + offset) + return request; + *eof = 1; + return len - offset; +} + static struct drm_proc_list { /** file name */ const char *name; @@ -262,6 +295,7 @@ static struct drm_proc_list { {"i915_gem_request", i915_gem_request_info}, {"i915_gem_seqno", i915_gem_seqno_info}, {"i915_gem_interrupt", i915_interrupt_info}, + {"i915_gem_hws", i915_hws_info}, }; #define I915_GEM_PROC_ENTRIES ARRAY_SIZE(i915_gem_proc_list) |