[Intel-gfx] [PATCH 2/3] drm/i915: add debug info in slow path

[Xiong Zhang]

Signed-off-by: Xiong Zhang <xiong.y.zhang at 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