[PATCH] drm/i915: Introduce i915_dbg macro

akash.goel
2016-01-22T12:11:50Z

From: Akash Goel <akash.goel@intel.com>

Added a new macro i915_dbg, which is a wrapper over dev_dbg macro.
dev_dbg allows use of dynamic debug framework, so offers a number
of advantages over DRM_DEBUG to debug user space startup issues.
Like provides more fine grain control by allowing to enable/disable
certain debug messages of interest on the fly, also allows filtering
of debug messages based on pid.

Suggested-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Akash Goel <akash.goel@intel.com>
---
drivers/gpu/drm/i915/i915_drv.h | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index bc7164f..749513f 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -2456,6 +2456,7 @@ struct drm_i915_cmd_table {
BUILD_BUG(); \
__p; \
})
+#define i915_dbg(DEV, args...) dev_dbg(__I915__(DEV)->dev->dev, ##args)
#define INTEL_INFO(p) (&__I915__(p)->info)
#define INTEL_DEVID(p) (INTEL_INFO(p)->device_id)
#define INTEL_REVID(p) (__I915__(p)->dev->pdev->revision)
--
1.9.2