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| author |   Thierry Reding <treding@nvidia.com> | 2017-08-15 15:41:10 +0200 |
|---|---|---|
| committer | Thierry Reding <treding@nvidia.com> | 2017-08-17 17:57:14 +0200 |
| commit | 67e04d1ab19b0cc6d87ca7c44b058edf678bc3a3 (patch) | |
| tree | 305ad3ca15aebc79aa456195a3031c4652e779a4 /drivers/gpu/drm/tegra/trace.h | |
| parent | drm/tegra: sor: Use unsigned int for register offsets (diff) | |
| download | linux-dev-67e04d1ab19b0cc6d87ca7c44b058edf678bc3a3.tar.xz linux-dev-67e04d1ab19b0cc6d87ca7c44b058edf678bc3a3.zip | |
drm/tegra: dc: Trace register accesses
Add tracepoint events for display controller register accesses.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'drivers/gpu/drm/tegra/trace.h')
| -rw-r--r-- | drivers/gpu/drm/tegra/trace.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/drivers/gpu/drm/tegra/trace.h b/drivers/gpu/drm/tegra/trace.h new file mode 100644 index 000000000000..b32d90c967e8 --- /dev/null +++ b/drivers/gpu/drm/tegra/trace.h @@ -0,0 +1,40 @@ +#undef TRACE_SYSTEM +#define TRACE_SYSTEM tegra + +#if !defined(DRM_TEGRA_TRACE_H) || defined(TRACE_HEADER_MULTI_READ) +#define DRM_TEGRA_TRACE_H 1 + +#include <linux/device.h> +#include <linux/tracepoint.h> + +DECLARE_EVENT_CLASS(register_access, + TP_PROTO(struct device *dev, unsigned int offset, u32 value), + TP_ARGS(dev, offset, value), + TP_STRUCT__entry( + __field(struct device *, dev) + __field(unsigned int, offset) + __field(u32, value) + ), + TP_fast_assign( + __entry->dev = dev; + __entry->offset = offset; + __entry->value = value; + ), + TP_printk("%s %04x %08x", dev_name(__entry->dev), __entry->offset, + __entry->value) +); + +DEFINE_EVENT(register_access, dc_writel, + TP_PROTO(struct device *dev, unsigned int offset, u32 value), + TP_ARGS(dev, offset, value)); +DEFINE_EVENT(register_access, dc_readl, + TP_PROTO(struct device *dev, unsigned int offset, u32 value), + TP_ARGS(dev, offset, value)); + +#endif /* DRM_TEGRA_TRACE_H */ + +/* This part must be outside protection */ +#undef TRACE_INCLUDE_PATH +#define TRACE_INCLUDE_PATH . +#define TRACE_INCLUDE_FILE trace +#include <trace/define_trace.h> |