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Date: Thu, 15 Dec 2011 18:20:31 -0800
From: Joe Perches <joe@...ches.com>
To: Ben Skeggs <bskeggs@...hat.com>, linux-kernel@...r.kernel.org
Cc: David Airlie <airlied@...ux.ie>, dri-devel@...ts.freedesktop.org
Subject: [PATCH] drm/nouveau: Use vsprintf extension %pV
Using %pV can save text.
Replace NV_PRINTK macro with nv_printk and use
of vsprintf extension %pV.
Convert the NV_<LEVEL> macros to use nv_printk
and neaten them too.
Saves ~45KB or ~5% of total code space for nouveau.
$ size drivers/gpu/drm/nouveau/built-in.o*
text data bss dec hex filename
781185 25499 176860 983544 f01f8 drivers/gpu/drm/nouveau/built-in.o.new
820650 25499 184356 1030505 fb969 drivers/gpu/drm/nouveau/built-in.o.old
Signed-off-by: Joe Perches <joe@...ches.com>
---
Modified resend of https://lkml.org/lkml/2011/6/28/505
drivers/gpu/drm/nouveau/nouveau_dp.c | 9 ++--
drivers/gpu/drm/nouveau/nouveau_drv.c | 20 ++++++++++
drivers/gpu/drm/nouveau/nouveau_drv.h | 67 +++++++++++++++++++-------------
3 files changed, 65 insertions(+), 31 deletions(-)
diff --git a/drivers/gpu/drm/nouveau/nouveau_dp.c b/drivers/gpu/drm/nouveau/nouveau_dp.c
index de5efe7..087ede3 100644
--- a/drivers/gpu/drm/nouveau/nouveau_dp.c
+++ b/drivers/gpu/drm/nouveau/nouveau_dp.c
@@ -33,10 +33,11 @@
/******************************************************************************
* aux channel util functions
*****************************************************************************/
-#define AUX_DBG(fmt, args...) do { \
- if (nouveau_reg_debug & NOUVEAU_REG_DEBUG_AUXCH) { \
- NV_PRINTK(KERN_DEBUG, dev, "AUXCH(%d): " fmt, ch, ##args); \
- } \
+#define AUX_DBG(fmt, ...) \
+do { \
+ if (nouveau_reg_debug & NOUVEAU_REG_DEBUG_AUXCH) \
+ nv_printk(dev, KERN_DEBUG, "AUXCH(%d): " fmt, \
+ ch, ##__VA_ARGS__); \
} while (0)
#define AUX_ERR(fmt, args...) NV_ERROR(dev, "AUXCH(%d): " fmt, ch, ##args)
diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.c b/drivers/gpu/drm/nouveau/nouveau_drv.c
index f0a60af..0eed2a9 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drv.c
+++ b/drivers/gpu/drm/nouveau/nouveau_drv.c
@@ -494,3 +494,23 @@ module_exit(nouveau_exit);
MODULE_AUTHOR(DRIVER_AUTHOR);
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL and additional rights");
+
+int nv_printk(const struct drm_device *drm_dev,
+ const char *level, const char *format, ...)
+{
+ struct va_format vaf;
+ va_list args;
+ int r;
+
+ va_start(args, format);
+
+ vaf.fmt = format;
+ vaf.va = &args;
+
+ r = printk("%s[" DRM_NAME "] " DRIVER_NAME " %s: %pV",
+ level, pci_name(drm_dev->pdev), &vaf);
+
+ va_end(args);
+
+ return r;
+}
diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h
index dfddb7e..80f49d4 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drv.h
+++ b/drivers/gpu/drm/nouveau/nouveau_drv.h
@@ -1537,37 +1537,48 @@ extern void nv_wo32(struct nouveau_gpuobj *, u32 offset, u32 val);
* Logging
* Argument d is (struct drm_device *).
*/
-#define NV_PRINTK(level, d, fmt, arg...) \
- printk(level "[" DRM_NAME "] " DRIVER_NAME " %s: " fmt, \
- pci_name(d->pdev), ##arg)
+
+extern __attribute__ ((format (printf, 3, 4)))
+int nv_printk(const struct drm_device *drm_dev,
+ const char *level, const char *format, ...);
+
#ifndef NV_DEBUG_NOTRACE
-#define NV_DEBUG(d, fmt, arg...) do { \
- if (drm_debug & DRM_UT_DRIVER) { \
- NV_PRINTK(KERN_DEBUG, d, "%s:%d - " fmt, __func__, \
- __LINE__, ##arg); \
- } \
+#define NV_DEBUG(d, fmt, ...) \
+do { \
+ if (drm_debug & DRM_UT_DRIVER) { \
+ nv_printk(d, KERN_DEBUG, "%s:%d - " fmt, \
+ __func__, __LINE__, ##__VA_ARGS__); \
+ } \
} while (0)
-#define NV_DEBUG_KMS(d, fmt, arg...) do { \
- if (drm_debug & DRM_UT_KMS) { \
- NV_PRINTK(KERN_DEBUG, d, "%s:%d - " fmt, __func__, \
- __LINE__, ##arg); \
- } \
+#define NV_DEBUG_KMS(d, fmt, ...) \
+do { \
+ if (drm_debug & DRM_UT_KMS) { \
+ nv_printk(d, KERN_DEBUG, "%s:%d - " fmt, \
+ __func__, __LINE__, ##__VA_ARGS__); \
+ } \
} while (0)
#else
-#define NV_DEBUG(d, fmt, arg...) do { \
- if (drm_debug & DRM_UT_DRIVER) \
- NV_PRINTK(KERN_DEBUG, d, fmt, ##arg); \
+#define NV_DEBUG(d, fmt, ...) \
+do { \
+ if (drm_debug & DRM_UT_DRIVER) \
+ nv_printk(d, KERN_DEBUG, fmt, ##__VA_ARGS__); \
} while (0)
-#define NV_DEBUG_KMS(d, fmt, arg...) do { \
- if (drm_debug & DRM_UT_KMS) \
- NV_PRINTK(KERN_DEBUG, d, fmt, ##arg); \
+#define NV_DEBUG_KMS(d, fmt, ...) \
+do { \
+ if (drm_debug & DRM_UT_KMS) \
+ nv_printk(d, KERN_DEBUG, fmt, ##__VA_ARGS__); \
} while (0)
#endif
-#define NV_ERROR(d, fmt, arg...) NV_PRINTK(KERN_ERR, d, fmt, ##arg)
-#define NV_INFO(d, fmt, arg...) NV_PRINTK(KERN_INFO, d, fmt, ##arg)
-#define NV_TRACEWARN(d, fmt, arg...) NV_PRINTK(KERN_NOTICE, d, fmt, ##arg)
-#define NV_TRACE(d, fmt, arg...) NV_PRINTK(KERN_INFO, d, fmt, ##arg)
-#define NV_WARN(d, fmt, arg...) NV_PRINTK(KERN_WARNING, d, fmt, ##arg)
+#define NV_ERROR(d, fmt, ...) \
+ nv_printk(d, KERN_ERR, fmt, ##__VA_ARGS__)
+#define NV_INFO(d, fmt, ...) \
+ nv_printk(d, KERN_INFO, fmt, ##__VA_ARGS__)
+#define NV_TRACEWARN(d, fmt, ...) \
+ nv_printk(d, KERN_NOTICE, fmt, ##__VA_ARGS__)
+#define NV_TRACE(d, fmt, ...) \
+ nv_printk(d, KERN_INFO, fmt, ##__VA_ARGS__)
+#define NV_WARN(d, fmt, ...) \
+ nv_printk(d, KERN_WARNING, fmt, ##__VA_ARGS__)
/* nouveau_reg_debug bitmask */
enum {
@@ -1584,9 +1595,11 @@ enum {
NOUVEAU_REG_DEBUG_AUXCH = 0x400
};
-#define NV_REG_DEBUG(type, dev, fmt, arg...) do { \
- if (nouveau_reg_debug & NOUVEAU_REG_DEBUG_##type) \
- NV_PRINTK(KERN_DEBUG, dev, "%s: " fmt, __func__, ##arg); \
+#define NV_REG_DEBUG(type, dev, fmt, ...) \
+do { \
+ if (nouveau_reg_debug & NOUVEAU_REG_DEBUG_##type) \
+ nv_printk(dev, KERN_DEBUG, "%s: " fmt, \
+ __func__, ##__VA_ARGS__); \
} while (0)
static inline bool
--
1.7.8.111.gad25c.dirty
--
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