From: Joe Perches Date: Tue, 13 Mar 2018 15:02:15 -0700 Subject: drm: Reduce object size of DRM_ERROR and DRM_DEBUG uses Git-commit: 99a954874e7b9f0c8058476575593b3beb5731a5 Patch-mainline: v4.17-rc1 References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166 drm_printk is used for both DRM_ERROR and DRM_DEBUG with unnecessary arguments that can be removed by creating separate functins. Create specific functions for these calls to reduce x86/64 defconfig size by ~20k. Modify the existing macros to use the specific calls. new: $ size -t drivers/gpu/drm/built-in.a | tail -1 1876562 44542 995 1922099 1d5433 (TOTALS) old: $ size -t drivers/gpu/drm/built-in.a | tail -1 1897565 44542 995 1943102 1da63e (TOTALS) Miscellanea: o intel_display requires a change to use the specific calls. Signed-off-by: Joe Perches Signed-off-by: Daniel Vetter Link: https://patchwork.freedesktop.org/patch/msgid/016b5cb84cede20fd0f91ed6965421d99fd5f2ce.1520978414.git.joe@perches.com Acked-by: Petr Tesarik --- drivers/gpu/drm/drm_print.c | 28 +++++++++++++++++++++------- drivers/gpu/drm/i915/intel_display.c | 15 ++++----------- include/drm/drm_print.h | 27 ++++++++++++++------------- 3 files changed, 39 insertions(+), 31 deletions(-) --- a/drivers/gpu/drm/drm_print.c +++ b/drivers/gpu/drm/drm_print.c @@ -89,23 +89,37 @@ void drm_dev_printk(const struct device } EXPORT_SYMBOL(drm_dev_printk); -void drm_printk(const char *level, unsigned int category, - const char *format, ...) +void drm_dbg(unsigned int category, const char *format, ...) { struct va_format vaf; va_list args; - if (category != DRM_UT_NONE && !(drm_debug & category)) + if (!(drm_debug & category)) return; va_start(args, format); vaf.fmt = format; vaf.va = &args; - printk("%s" "[" DRM_NAME ":%ps]%s %pV", - level, __builtin_return_address(0), - strcmp(level, KERN_ERR) == 0 ? " *ERROR*" : "", &vaf); + printk(KERN_DEBUG "[" DRM_NAME ":%ps] %pV", + __builtin_return_address(0), &vaf); va_end(args); } -EXPORT_SYMBOL(drm_printk); +EXPORT_SYMBOL(drm_dbg); + +void drm_err(const char *format, ...) +{ + struct va_format vaf; + va_list args; + + va_start(args, format); + vaf.fmt = format; + vaf.va = &args; + + printk(KERN_ERR "[" DRM_NAME ":%ps] *ERROR* %pV", + __builtin_return_address(0), &vaf); + + va_end(args); +} +EXPORT_SYMBOL(drm_err); --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -11001,24 +11001,17 @@ intel_compare_link_m_n(const struct inte static void __printf(3, 4) pipe_config_err(bool adjust, const char *name, const char *format, ...) { - char *level; - unsigned int category; struct va_format vaf; va_list args; - if (adjust) { - level = KERN_DEBUG; - category = DRM_UT_KMS; - } else { - level = KERN_ERR; - category = DRM_UT_NONE; - } - va_start(args, format); vaf.fmt = format; vaf.va = &args; - drm_printk(level, category, "mismatch in %s %pV", name, &vaf); + if (adjust) + drm_dbg(DRM_UT_KMS, "mismatch in %s %pV", name, &vaf); + else + drm_err("mismatch in %s %pV", name, &vaf); va_end(args); } --- a/include/drm/drm_print.h +++ b/include/drm/drm_print.h @@ -200,9 +200,10 @@ __printf(6, 7) void drm_dev_printk(const struct device *dev, const char *level, unsigned int category, const char *function_name, const char *prefix, const char *format, ...); -__printf(3, 4) -void drm_printk(const char *level, unsigned int category, - const char *format, ...); +__printf(2, 3) +void drm_dbg(unsigned int category, const char *format, ...); +__printf(1, 2) +void drm_err(const char *format, ...); /* Macros to make printk easier */ @@ -236,7 +237,7 @@ void drm_printk(const char *level, unsig drm_dev_printk(dev, KERN_ERR, DRM_UT_NONE, __func__, " *ERROR*",\ fmt, ##__VA_ARGS__) #define DRM_ERROR(fmt, ...) \ - drm_printk(KERN_ERR, DRM_UT_NONE, fmt, ##__VA_ARGS__) + drm_err(fmt, ##__VA_ARGS__) /** * Rate limited error output. Like DRM_ERROR() but won't flood the log. @@ -279,40 +280,40 @@ void drm_printk(const char *level, unsig drm_dev_printk(dev, KERN_DEBUG, DRM_UT_CORE, __func__, "", fmt, \ ##args) #define DRM_DEBUG(fmt, ...) \ - drm_printk(KERN_DEBUG, DRM_UT_CORE, fmt, ##__VA_ARGS__) + drm_dbg(DRM_UT_CORE, fmt, ##__VA_ARGS__) #define DRM_DEV_DEBUG_DRIVER(dev, fmt, args...) \ drm_dev_printk(dev, KERN_DEBUG, DRM_UT_DRIVER, __func__, "", \ fmt, ##args) #define DRM_DEBUG_DRIVER(fmt, ...) \ - drm_printk(KERN_DEBUG, DRM_UT_DRIVER, fmt, ##__VA_ARGS__) + drm_dbg(DRM_UT_DRIVER, fmt, ##__VA_ARGS__) #define DRM_DEV_DEBUG_KMS(dev, fmt, args...) \ drm_dev_printk(dev, KERN_DEBUG, DRM_UT_KMS, __func__, "", fmt, \ ##args) -#define DRM_DEBUG_KMS(fmt, ...) \ - drm_printk(KERN_DEBUG, DRM_UT_KMS, fmt, ##__VA_ARGS__) +#define DRM_DEBUG_KMS(fmt, ...) \ + drm_dbg(DRM_UT_KMS, fmt, ##__VA_ARGS__) #define DRM_DEV_DEBUG_PRIME(dev, fmt, args...) \ drm_dev_printk(dev, KERN_DEBUG, DRM_UT_PRIME, __func__, "", \ fmt, ##args) #define DRM_DEBUG_PRIME(fmt, ...) \ - drm_printk(KERN_DEBUG, DRM_UT_PRIME, fmt, ##__VA_ARGS__) + drm_dbg(DRM_UT_PRIME, fmt, ##__VA_ARGS__) #define DRM_DEV_DEBUG_ATOMIC(dev, fmt, args...) \ drm_dev_printk(dev, KERN_DEBUG, DRM_UT_ATOMIC, __func__, "", \ fmt, ##args) #define DRM_DEBUG_ATOMIC(fmt, ...) \ - drm_printk(KERN_DEBUG, DRM_UT_ATOMIC, fmt, ##__VA_ARGS__) + drm_dbg(DRM_UT_ATOMIC, fmt, ##__VA_ARGS__) #define DRM_DEV_DEBUG_VBL(dev, fmt, args...) \ drm_dev_printk(dev, KERN_DEBUG, DRM_UT_VBL, __func__, "", fmt, \ ##args) -#define DRM_DEBUG_VBL(fmt, ...) \ - drm_printk(KERN_DEBUG, DRM_UT_VBL, fmt, ##__VA_ARGS__) +#define DRM_DEBUG_VBL(fmt, ...) \ + drm_dbg(DRM_UT_VBL, fmt, ##__VA_ARGS__) #define DRM_DEBUG_LEASE(fmt, ...) \ - drm_printk(KERN_DEBUG, DRM_UT_LEASE, fmt, ##__VA_ARGS__) + drm_dbg(DRM_UT_LEASE, fmt, ##__VA_ARGS__) #define _DRM_DEV_DEFINE_DEBUG_RATELIMITED(dev, level, fmt, args...) \ ({ \