From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thierry Reding Subject: [PATCH 10/10] drm/tegra: sor: Trace register accesses Date: Tue, 15 Aug 2017 15:41:14 +0200 Message-ID: <20170815134114.17547-10-thierry.reding@gmail.com> References: <20170815134114.17547-1-thierry.reding@gmail.com> Return-path: In-Reply-To: <20170815134114.17547-1-thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> Sender: linux-tegra-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Thierry Reding Cc: Mikko Perttunen , dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-tegra@vger.kernel.org From: Thierry Reding Add tracepoint events for SOR controller register accesses. Signed-off-by: Thierry Reding --- drivers/gpu/drm/tegra/sor.c | 8 +++++++- drivers/gpu/drm/tegra/trace.h | 7 +++++++ 2 files changed, 14 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/tegra/sor.c b/drivers/gpu/drm/tegra/sor.c index 020792eb2724..04b3a50deab6 100644 --- a/drivers/gpu/drm/tegra/sor.c +++ b/drivers/gpu/drm/tegra/sor.c @@ -27,6 +27,7 @@ #include "dc.h" #include "drm.h" #include "sor.h" +#include "trace.h" #define SOR_REKEY 0x38 @@ -237,12 +238,17 @@ 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)); } diff --git a/drivers/gpu/drm/tegra/trace.h b/drivers/gpu/drm/tegra/trace.h index e497a0258ee4..e9b7cdad5c4c 100644 --- a/drivers/gpu/drm/tegra/trace.h +++ b/drivers/gpu/drm/tegra/trace.h @@ -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 */ -- 2.13.3