diff options
| -rw-r--r-- | shared-core/i915_dma.c | 30 |
1 files changed, 23 insertions, 7 deletions
diff --git a/shared-core/i915_dma.c b/shared-core/i915_dma.c index 18d2482e..80416726 100644 --- a/shared-core/i915_dma.c +++ b/shared-core/i915_dma.c @@ -702,7 +702,14 @@ static int i915_cmdbuffer(struct drm_device *dev, void *data, return 0; } +#if DRM_DEBUG_CODE +#define DRM_DEBUG_RELOCATION (drm_debug != 0) +#else +#define DRM_DEBUG_RELOCATION 0 +#endif + #ifdef I915_HAVE_BUFFER + struct i915_relocatee_info { struct drm_buffer_object *buf; unsigned long offset; @@ -743,7 +750,7 @@ int i915_apply_reloc(struct drm_file *file_priv, int num_buffers, * Short-circuit relocations that were correctly * guessed by the client */ - if (buffers[reloc[2]].presumed_offset_correct) + if (buffers[reloc[2]].presumed_offset_correct && !DRM_DEBUG_RELOCATION) return 0; new_cmd_offset = reloc[0]; @@ -776,6 +783,13 @@ int i915_apply_reloc(struct drm_file *file_priv, int num_buffers, /* add in validate */ val = val + reloc[1]; + if (DRM_DEBUG_RELOCATION) { + if (buffers[reloc[2]].presumed_offset_correct && + relocatee->data_page[index] != val) { + DRM_DEBUG ("Relocation mismatch source %d target %d buffer %d user %08x kernel %08x\n", + reloc[0], reloc[1], reloc[2], relocatee->data_page[index], val); + } + } relocatee->data_page[index] = val; return 0; } @@ -883,12 +897,14 @@ static int i915_exec_reloc(struct drm_file *file_priv, drm_handle_t buf_handle, * buffers offsets were correctly guessed by * the client */ - for (b = 0; b < buf_count; b++) - if (!buffers[b].presumed_offset_correct) - break; - - if (b == buf_count) - return 0; + if (!DRM_DEBUG_RELOCATION) { + for (b = 0; b < buf_count; b++) + if (!buffers[b].presumed_offset_correct) + break; + + if (b == buf_count) + return 0; + } memset(&relocatee, 0, sizeof(relocatee)); |