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| author | Tomi Valkeinen <tomi.valkeinen@nokia.com> | 2009-12-17 14:35:21 +0200 |
|---|---|---|
| committer | Tomi Valkeinen <tomi.valkeinen@nokia.com> | 2010-01-08 15:32:18 +0200 |
| commit | dfc0fd8d8850ef11951ba6c251e06096d1b5a0bd (patch) | |
| tree | b80a85226218abbb562c93b7777de8bbda2c5db2 /drivers/video/omap2/dss/dss.h | |
| parent | ff90a3488d98a63bf24bff37f77a9a37b00e7a54 (diff) | |
| download | linux-dfc0fd8d8850ef11951ba6c251e06096d1b5a0bd.tar.gz linux-dfc0fd8d8850ef11951ba6c251e06096d1b5a0bd.tar.bz2 linux-dfc0fd8d8850ef11951ba6c251e06096d1b5a0bd.zip | |
OMAP: DSS2: Collect interrupt statistics
Collect interrupt statistics, printable via debugfs:
debugfs/omapdss/dispc_irq
debugfs/omapdss/dsi_irq
The counters are reset when printed.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
Diffstat (limited to 'drivers/video/omap2/dss/dss.h')
| -rw-r--r-- | drivers/video/omap2/dss/dss.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/video/omap2/dss/dss.h b/drivers/video/omap2/dss/dss.h index 8da5ac42151b..2bcb1245d6c2 100644 --- a/drivers/video/omap2/dss/dss.h +++ b/drivers/video/omap2/dss/dss.h @@ -240,6 +240,7 @@ int dsi_init(struct platform_device *pdev); void dsi_exit(void); void dsi_dump_clocks(struct seq_file *s); +void dsi_dump_irqs(struct seq_file *s); void dsi_dump_regs(struct seq_file *s); void dsi_save_context(void); @@ -268,6 +269,7 @@ int dpi_init_display(struct omap_dss_device *dssdev); int dispc_init(void); void dispc_exit(void); void dispc_dump_clocks(struct seq_file *s); +void dispc_dump_irqs(struct seq_file *s); void dispc_dump_regs(struct seq_file *s); void dispc_irq_handler(void); void dispc_fake_vsync_irq(void); @@ -367,4 +369,16 @@ void rfbi_set_timings(int rfbi_module, struct rfbi_timings *t); unsigned long rfbi_get_max_tx_rate(void); int rfbi_init_display(struct omap_dss_device *display); + +#ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS +static inline void dss_collect_irq_stats(u32 irqstatus, unsigned *irq_arr) +{ + int b; + for (b = 0; b < 32; ++b) { + if (irqstatus & (1 << b)) + irq_arr[b]++; + } +} +#endif + #endif |