[PATCH 04/10] drm/i915: move printing and load error inject to i915_utils.[ch]

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Seems like a better fit. Reduce clutter in i915_drv.[ch].

Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
---
 drivers/gpu/drm/i915/Makefile     |  1 +
 drivers/gpu/drm/i915/i915_drv.c   | 69 ---------------------------
 drivers/gpu/drm/i915/i915_drv.h   | 28 -----------
 drivers/gpu/drm/i915/i915_utils.c | 78 +++++++++++++++++++++++++++++++
 drivers/gpu/drm/i915/i915_utils.h | 30 ++++++++++++
 5 files changed, 109 insertions(+), 97 deletions(-)
 create mode 100644 drivers/gpu/drm/i915/i915_utils.c

diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile
index ab7faeee88d7..aed6baefbe56 100644
--- a/drivers/gpu/drm/i915/Makefile
+++ b/drivers/gpu/drm/i915/Makefile
@@ -47,6 +47,7 @@ i915-y += i915_drv.o \
 	  i915_scatterlist.o \
 	  i915_suspend.o \
 	  i915_sysfs.o \
+	  i915_utils.o \
 	  intel_csr.o \
 	  intel_device_info.o \
 	  intel_pch.o \
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 1319aee148be..9cd75c76c257 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -76,75 +76,6 @@
 
 static struct drm_driver driver;
 
-#if IS_ENABLED(CONFIG_DRM_I915_DEBUG)
-static unsigned int i915_probe_fail_count;
-
-int __i915_inject_load_error(struct drm_i915_private *i915, int err,
-			     const char *func, int line)
-{
-	if (i915_probe_fail_count >= i915_modparams.inject_load_failure)
-		return 0;
-
-	if (++i915_probe_fail_count < i915_modparams.inject_load_failure)
-		return 0;
-
-	__i915_printk(i915, KERN_INFO,
-		      "Injecting failure %d at checkpoint %u [%s:%d]\n",
-		      err, i915_modparams.inject_load_failure, func, line);
-	i915_modparams.inject_load_failure = 0;
-	return err;
-}
-
-bool i915_error_injected(void)
-{
-	return i915_probe_fail_count && !i915_modparams.inject_load_failure;
-}
-
-#endif
-
-#define FDO_BUG_URL "https://bugs.freedesktop.org/enter_bug.cgi?product=DRI";
-#define FDO_BUG_MSG "Please file a bug at " FDO_BUG_URL " against DRM/Intel " \
-		    "providing the dmesg log by booting with drm.debug=0xf"
-
-void
-__i915_printk(struct drm_i915_private *dev_priv, const char *level,
-	      const char *fmt, ...)
-{
-	static bool shown_bug_once;
-	struct device *kdev = dev_priv->drm.dev;
-	bool is_error = level[1] <= KERN_ERR[1];
-	bool is_debug = level[1] == KERN_DEBUG[1];
-	struct va_format vaf;
-	va_list args;
-
-	if (is_debug && !(drm_debug & DRM_UT_DRIVER))
-		return;
-
-	va_start(args, fmt);
-
-	vaf.fmt = fmt;
-	vaf.va = &args;
-
-	if (is_error)
-		dev_printk(level, kdev, "%pV", &vaf);
-	else
-		dev_printk(level, kdev, "[" DRM_NAME ":%ps] %pV",
-			   __builtin_return_address(0), &vaf);
-
-	va_end(args);
-
-	if (is_error && !shown_bug_once) {
-		/*
-		 * Ask the user to file a bug report for the error, except
-		 * if they may have caused the bug by fiddling with unsafe
-		 * module parameters.
-		 */
-		if (!test_taint(TAINT_USER))
-			dev_notice(kdev, "%s", FDO_BUG_MSG);
-		shown_bug_once = true;
-	}
-}
-
 static int i915_get_bridge_dev(struct drm_i915_private *dev_priv)
 {
 	int domain = pci_domain_nr(dev_priv->drm.pdev->bus);
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 21c87309cc32..5afc9da133c3 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -104,27 +104,6 @@
 #define DRIVER_DATE		"20190730"
 #define DRIVER_TIMESTAMP	1564512624
 
-#if IS_ENABLED(CONFIG_DRM_I915_DEBUG)
-
-int __i915_inject_load_error(struct drm_i915_private *i915, int err,
-			     const char *func, int line);
-#define i915_inject_load_error(_i915, _err) \
-	__i915_inject_load_error((_i915), (_err), __func__, __LINE__)
-bool i915_error_injected(void);
-
-#else
-
-#define i915_inject_load_error(_i915, _err) 0
-#define i915_error_injected() false
-
-#endif
-
-#define i915_inject_probe_failure(i915) i915_inject_load_error((i915), -ENODEV)
-
-#define i915_probe_error(i915, fmt, ...)				   \
-	__i915_printk(i915, i915_error_injected() ? KERN_DEBUG : KERN_ERR, \
-		      fmt, ##__VA_ARGS__)
-
 struct drm_i915_gem_object;
 
 enum hpd_pin {
@@ -2278,13 +2257,6 @@ intel_ggtt_update_needs_vtd_wa(struct drm_i915_private *dev_priv)
 }
 
 /* i915_drv.c */
-void __printf(3, 4)
-__i915_printk(struct drm_i915_private *dev_priv, const char *level,
-	      const char *fmt, ...);
-
-#define i915_report_error(dev_priv, fmt, ...)				   \
-	__i915_printk(dev_priv, KERN_ERR, fmt, ##__VA_ARGS__)
-
 #ifdef CONFIG_COMPAT
 long i915_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg);
 #else
diff --git a/drivers/gpu/drm/i915/i915_utils.c b/drivers/gpu/drm/i915/i915_utils.c
new file mode 100644
index 000000000000..16acdf7bdbe6
--- /dev/null
+++ b/drivers/gpu/drm/i915/i915_utils.c
@@ -0,0 +1,78 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright © 2019 Intel Corporation
+ */
+
+#include <drm/drm_drv.h>
+
+#include "i915_drv.h"
+#include "i915_utils.h"
+
+#define FDO_BUG_URL "https://bugs.freedesktop.org/enter_bug.cgi?product=DRI";
+#define FDO_BUG_MSG "Please file a bug at " FDO_BUG_URL " against DRM/Intel " \
+		    "providing the dmesg log by booting with drm.debug=0xf"
+
+void
+__i915_printk(struct drm_i915_private *dev_priv, const char *level,
+	      const char *fmt, ...)
+{
+	static bool shown_bug_once;
+	struct device *kdev = dev_priv->drm.dev;
+	bool is_error = level[1] <= KERN_ERR[1];
+	bool is_debug = level[1] == KERN_DEBUG[1];
+	struct va_format vaf;
+	va_list args;
+
+	if (is_debug && !(drm_debug & DRM_UT_DRIVER))
+		return;
+
+	va_start(args, fmt);
+
+	vaf.fmt = fmt;
+	vaf.va = &args;
+
+	if (is_error)
+		dev_printk(level, kdev, "%pV", &vaf);
+	else
+		dev_printk(level, kdev, "[" DRM_NAME ":%ps] %pV",
+			   __builtin_return_address(0), &vaf);
+
+	va_end(args);
+
+	if (is_error && !shown_bug_once) {
+		/*
+		 * Ask the user to file a bug report for the error, except
+		 * if they may have caused the bug by fiddling with unsafe
+		 * module parameters.
+		 */
+		if (!test_taint(TAINT_USER))
+			dev_notice(kdev, "%s", FDO_BUG_MSG);
+		shown_bug_once = true;
+	}
+}
+
+#if IS_ENABLED(CONFIG_DRM_I915_DEBUG)
+static unsigned int i915_probe_fail_count;
+
+int __i915_inject_load_error(struct drm_i915_private *i915, int err,
+			     const char *func, int line)
+{
+	if (i915_probe_fail_count >= i915_modparams.inject_load_failure)
+		return 0;
+
+	if (++i915_probe_fail_count < i915_modparams.inject_load_failure)
+		return 0;
+
+	__i915_printk(i915, KERN_INFO,
+		      "Injecting failure %d at checkpoint %u [%s:%d]\n",
+		      err, i915_modparams.inject_load_failure, func, line);
+	i915_modparams.inject_load_failure = 0;
+	return err;
+}
+
+bool i915_error_injected(void)
+{
+	return i915_probe_fail_count && !i915_modparams.inject_load_failure;
+}
+
+#endif
diff --git a/drivers/gpu/drm/i915/i915_utils.h b/drivers/gpu/drm/i915/i915_utils.h
index 0c0fda36334d..d652ba5d2320 100644
--- a/drivers/gpu/drm/i915/i915_utils.h
+++ b/drivers/gpu/drm/i915/i915_utils.h
@@ -31,6 +31,8 @@
 #include <linux/types.h>
 #include <linux/workqueue.h>
 
+struct drm_i915_private;
+
 #undef WARN_ON
 /* Many gcc seem to no see through this and fall over :( */
 #if 0
@@ -49,6 +51,34 @@
 #define MISSING_CASE(x) WARN(1, "Missing case (%s == %ld)\n", \
 			     __stringify(x), (long)(x))
 
+void __printf(3, 4)
+__i915_printk(struct drm_i915_private *dev_priv, const char *level,
+	      const char *fmt, ...);
+
+#define i915_report_error(dev_priv, fmt, ...)				   \
+	__i915_printk(dev_priv, KERN_ERR, fmt, ##__VA_ARGS__)
+
+#if IS_ENABLED(CONFIG_DRM_I915_DEBUG)
+
+int __i915_inject_load_error(struct drm_i915_private *i915, int err,
+			     const char *func, int line);
+#define i915_inject_load_error(_i915, _err) \
+	__i915_inject_load_error((_i915), (_err), __func__, __LINE__)
+bool i915_error_injected(void);
+
+#else
+
+#define i915_inject_load_error(_i915, _err) 0
+#define i915_error_injected() false
+
+#endif
+
+#define i915_inject_probe_failure(i915) i915_inject_load_error((i915), -ENODEV)
+
+#define i915_probe_error(i915, fmt, ...)				   \
+	__i915_printk(i915, i915_error_injected() ? KERN_DEBUG : KERN_ERR, \
+		      fmt, ##__VA_ARGS__)
+
 #if defined(GCC_VERSION) && GCC_VERSION >= 70000
 #define add_overflows_t(T, A, B) \
 	__builtin_add_overflow_p((A), (B), (T)0)
-- 
2.20.1

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