Signed-off-by: Xiong Zhang <xiong.y.zh...@intel.com>
---
drivers/gpu/drm/i915/i915_gem.c | 4 ++++
drivers/gpu/drm/i915/i915_gem_execbuffer.c | 1 +
2 files changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index de59154..f194d7e 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -376,6 +376,8 @@ shmem_pread_slow(struct page *page, int shmem_page_offset,
int page_length,
char *vaddr;
int ret;
+ DRM_DEBUG("execute pread slow path\n");
+
vaddr = kmap(page);
if (needs_clflush)
shmem_clflush_swizzled_range(vaddr + shmem_page_offset,
@@ -689,6 +691,8 @@ shmem_pwrite_slow(struct page *page, int shmem_page_offset,
int page_length,
char *vaddr;
int ret;
+ DRM_DEBUG("execute pwrite slow path\n");
+
vaddr = kmap(page);
if (unlikely(needs_clflush_before || page_do_bit17_swizzling))
shmem_clflush_swizzled_range(vaddr + shmem_page_offset,
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index 1734825..3065297 100644
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -587,6 +587,7 @@ i915_gem_execbuffer_relocate_slow(struct drm_device *dev,
int i, total, ret;
int count = args->buffer_count;
+ DRM_DEBUG("Execute relocate slow path\n");
/* We may process another execbuffer during the unlock... */
while (!list_empty(&eb->objects)) {
obj = list_first_entry(&eb->objects,
--
1.8.3.2
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