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Commit 932f6529 authored by Thierry Reding's avatar Thierry Reding
Browse files

drm/tegra: sor: Trace register accesses 



Add tracepoint events for SOR controller register accesses.

Signed-off-by: default avatarThierry Reding <treding@nvidia.com>
parent eba7c455

drivers/gpu/drm/tegra/sor.c

+7 −1
Original line number Diff line number Diff line
@@ -26,6 +26,7 @@ 
#include "dc.h"

#include "drm.h"

#include "sor.h"

#include "trace.h"



#define SOR_REKEY 0x38
@@ -234,12 +235,17 @@ static inline struct tegra_sor *to_sor(struct tegra_output *output) 


static inline u32 tegra_sor_readl(struct tegra_sor *sor, unsigned int offset)

{

	return readl(sor->regs + (offset << 2));

	u32 value = readl(sor->regs + (offset << 2));



	trace_sor_readl(sor->dev, offset, value);



	return value;

}



static inline void tegra_sor_writel(struct tegra_sor *sor, u32 value,

				    unsigned int offset)

{

	trace_sor_writel(sor->dev, offset, value);

	writel(value, sor->regs + (offset << 2));

}

drivers/gpu/drm/tegra/trace.h

+7 −0
Original line number Diff line number Diff line
@@ -52,6 +52,13 @@ DEFINE_EVENT(register_access, dpaux_readl, 
	TP_PROTO(struct device *dev, unsigned int offset, u32 value),

	TP_ARGS(dev, offset, value));



DEFINE_EVENT(register_access, sor_writel,

	TP_PROTO(struct device *dev, unsigned int offset, u32 value),

	TP_ARGS(dev, offset, value));

DEFINE_EVENT(register_access, sor_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 */