diff options
| author | Sivaram Nair <sivaramn@nvidia.com> | 2013-06-12 15:12:04 +0300 |
|---|---|---|
| committer | Dan Willemsen <dwillemsen@nvidia.com> | 2013-09-14 13:32:43 -0700 |
| commit | 25c8dfd8f10c017f404146f71dab6270562e7773 (patch) | |
| tree | 6e639e4ad18870fe2fe375ebceb30e542169e1d0 /drivers/edp | |
| parent | 790226db5094cf5557c806e24f76ee09360587e4 (diff) | |
EDP: tegra: add core status debugfs attr
Add a new debugfs node for printing out the current AP+DRAM EDP
capping decisions.
Bug 1257143
Change-Id: Ie42c78233e3462ea786456ffb9e321895a437c9f
Signed-off-by: Sivaram Nair <sivaramn@nvidia.com>
Reviewed-on: http://git-master/r/238035
(cherry picked from commit 7741dd6b9dd6aaeb89f5a0268fb343bcca500228)
Reviewed-on: http://git-master/r/250625
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
Diffstat (limited to 'drivers/edp')
| -rw-r--r-- | drivers/edp/tegra_core.c | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/drivers/edp/tegra_core.c b/drivers/edp/tegra_core.c index 9816a09aed31..7c82328f24b9 100644 --- a/drivers/edp/tegra_core.c +++ b/drivers/edp/tegra_core.c @@ -152,6 +152,11 @@ static inline bool gpu_priority(void) return gpu_busy || force_gpu_pri; } +static inline struct tegra_sysedp_devcap *get_devcap(void) +{ + return gpu_priority() ? &cur_corecap->gpupri : &cur_corecap->cpupri; +} + static void __do_cap_control(void) { struct tegra_sysedp_devcap *cap; @@ -159,7 +164,7 @@ static void __do_cap_control(void) if (!cur_corecap) return; - cap = gpu_priority() ? &cur_corecap->gpupri : &cur_corecap->cpupri; + cap = get_devcap(); apply_caps(cap); } @@ -416,6 +421,28 @@ static int corecaps_show(struct seq_file *file, void *data) return 0; } +static int status_show(struct seq_file *file, void *data) +{ + mutex_lock(&core_lock); + + seq_printf(file, "cpus online : %u\n", online_cpu_count); + seq_printf(file, "gpu priority: %u\n", gpu_priority()); + seq_printf(file, "E-state : %u\n", core_edp_states[core_state]); + seq_printf(file, "gain : %u\n", core_platdata->core_gain); + seq_printf(file, "loan : %u\n", core_loan); + seq_printf(file, "core cap : %u\n", cur_corecap->power); + seq_printf(file, "cpu balance : %u\n", cpu_power_balance); + seq_printf(file, "cpu offset : %u\n", cpu_power_offset); + seq_printf(file, "cpu power : %u\n", get_devcap()->cpu_power + + cpu_power_balance + cpu_power_offset); + seq_printf(file, "cpu cap : %u kHz\n", cur_caps.cpu); + seq_printf(file, "gpu cap : %u kHz\n", cur_caps.gpu); + seq_printf(file, "emc cap : %u kHz\n", cur_caps.emc); + + mutex_unlock(&core_lock); + return 0; +} + static int longattr_open(struct inode *inode, struct file *file) { return single_open(file, inode->i_private, NULL); @@ -455,6 +482,7 @@ static void init_debug(void) create_longattr("corecaps", corecaps_show); create_longattr("cpucaps", cpucaps_show); + create_longattr("status", status_show); } #else static inline void init_debug(void) {} |