drm/tegra: hdmi: Trace register accesses
Add tracepoint events for HDMI controller register accesses.
Signed-off-by: Thierry Reding <treding@nvidia.com>
diff --git a/drivers/gpu/drm/tegra/hdmi.c b/drivers/gpu/drm/tegra/hdmi.c
index 9161ada..cf9f69f 100644
--- a/drivers/gpu/drm/tegra/hdmi.c
+++ b/drivers/gpu/drm/tegra/hdmi.c
@@ -24,6 +24,7 @@
#include "hdmi.h"
#include "drm.h"
#include "dc.h"
+#include "trace.h"
#define HDMI_ELD_BUFFER_SIZE 96
@@ -102,12 +103,17 @@
static inline u32 tegra_hdmi_readl(struct tegra_hdmi *hdmi,
unsigned int offset)
{
- return readl(hdmi->regs + (offset << 2));
+ u32 value = readl(hdmi->regs + (offset << 2));
+
+ trace_hdmi_readl(hdmi->dev, offset, value);
+
+ return value;
}
static inline void tegra_hdmi_writel(struct tegra_hdmi *hdmi, u32 value,
unsigned int offset)
{
+ trace_hdmi_writel(hdmi->dev, offset, value);
writel(value, hdmi->regs + (offset << 2));
}