From 67e04d1ab19b0cc6d87ca7c44b058edf678bc3a3 Mon Sep 17 00:00:00 2001 From: Thierry Reding Date: Tue, 15 Aug 2017 15:41:10 +0200 Subject: drm/tegra: dc: Trace register accesses Add tracepoint events for display controller register accesses. Signed-off-by: Thierry Reding --- drivers/gpu/drm/tegra/drm.h | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) (limited to 'drivers/gpu/drm/tegra/drm.h') diff --git a/drivers/gpu/drm/tegra/drm.h b/drivers/gpu/drm/tegra/drm.h index de1bcc519905..063f5d397526 100644 --- a/drivers/gpu/drm/tegra/drm.h +++ b/drivers/gpu/drm/tegra/drm.h @@ -23,6 +23,7 @@ #include #include "gem.h" +#include "trace.h" struct reset_control; @@ -174,12 +175,17 @@ static inline struct tegra_dc *to_tegra_dc(struct drm_crtc *crtc) static inline void tegra_dc_writel(struct tegra_dc *dc, u32 value, unsigned int offset) { + trace_dc_writel(dc->dev, offset, value); writel(value, dc->regs + (offset << 2)); } static inline u32 tegra_dc_readl(struct tegra_dc *dc, unsigned int offset) { - return readl(dc->regs + (offset << 2)); + u32 value = readl(dc->regs + (offset << 2)); + + trace_dc_readl(dc->dev, offset, value); + + return value; } struct tegra_dc_window { -- cgit v1.2.3