msm: kgsl: Add postmortem dump for 2D (z180) cores
Add ringbuffer and register dump as part of postmortem dump for z180
cores. Also, add kgsl_postmortem_dump as a preparatory general function
for postmortem dump for both types of kgsl devices, adreno and z180.
Change-Id: I8b538771bfa8f6bfdfe0b1b993afa3c53f8eb8cf
Signed-off-by: Harsh Vardhan Dwivedi <hdwivedi@codeaurora.org>
diff --git a/drivers/gpu/msm/kgsl_debugfs.c b/drivers/gpu/msm/kgsl_debugfs.c
index 328dd95..545d2b3 100644
--- a/drivers/gpu/msm/kgsl_debugfs.c
+++ b/drivers/gpu/msm/kgsl_debugfs.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2002,2008-2011, Code Aurora Forum. All rights reserved.
+/* Copyright (c) 2002,2008-2012, Code Aurora Forum. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
@@ -22,6 +22,60 @@
#define KGSL_LOG_LEVEL_MAX 7
struct dentry *kgsl_debugfs_dir;
+static struct dentry *pm_d_debugfs;
+
+static int pm_dump_set(void *data, u64 val)
+{
+ struct kgsl_device *device = data;
+
+ if (val) {
+ mutex_lock(&device->mutex);
+ kgsl_postmortem_dump(device, 1);
+ mutex_unlock(&device->mutex);
+ }
+
+ return 0;
+}
+DEFINE_SIMPLE_ATTRIBUTE(pm_dump_fops,
+ NULL,
+ pm_dump_set, "%llu\n");
+
+static int pm_regs_enabled_set(void *data, u64 val)
+{
+ struct kgsl_device *device = data;
+ device->pm_regs_enabled = val ? 1 : 0;
+ return 0;
+}
+
+static int pm_regs_enabled_get(void *data, u64 *val)
+{
+ struct kgsl_device *device = data;
+ *val = device->pm_regs_enabled;
+ return 0;
+}
+
+static int pm_ib_enabled_set(void *data, u64 val)
+{
+ struct kgsl_device *device = data;
+ device->pm_ib_enabled = val ? 1 : 0;
+ return 0;
+}
+
+static int pm_ib_enabled_get(void *data, u64 *val)
+{
+ struct kgsl_device *device = data;
+ *val = device->pm_ib_enabled;
+ return 0;
+}
+
+
+DEFINE_SIMPLE_ATTRIBUTE(pm_regs_enabled_fops,
+ pm_regs_enabled_get,
+ pm_regs_enabled_set, "%llu\n");
+
+DEFINE_SIMPLE_ATTRIBUTE(pm_ib_enabled_fops,
+ pm_ib_enabled_get,
+ pm_ib_enabled_set, "%llu\n");
static inline int kgsl_log_set(unsigned int *log_val, void *data, u64 val)
{
@@ -75,6 +129,21 @@
&mem_log_fops);
debugfs_create_file("log_level_pwr", 0644, device->d_debugfs, device,
&pwr_log_fops);
+
+ /* Create postmortem dump control files */
+
+ pm_d_debugfs = debugfs_create_dir("postmortem", device->d_debugfs);
+
+ if (IS_ERR(pm_d_debugfs))
+ return;
+
+ debugfs_create_file("dump", 0600, pm_d_debugfs, device,
+ &pm_dump_fops);
+ debugfs_create_file("regs_enabled", 0644, pm_d_debugfs, device,
+ &pm_regs_enabled_fops);
+ debugfs_create_file("ib_enabled", 0644, pm_d_debugfs, device,
+ &pm_ib_enabled_fops);
+
}
void kgsl_core_debugfs_init(void)