drm/tegra: dsi: Trace register accesses

Add tracepoint events for DSI controller register accesses.

Signed-off-by: Thierry Reding <treding@nvidia.com>

1 files changed, 7 insertions, 1 deletions

diff --git a/drivers/gpu/drm/tegra/dsi.c b/drivers/gpu/drm/tegra/dsi.c
index 444664b92fbb..6050cc4ebbaf 100644
--- a/drivers/gpu/drm/tegra/dsi.c
+++ b/drivers/gpu/drm/tegra/dsi.c
@@ -28,6 +28,7 @@
 #include "drm.h"
 #include "dsi.h"
 #include "mipi-phy.h"
+#include "trace.h"
 
 struct tegra_dsi_state {
 	struct drm_connector_state base;
@@ -107,12 +108,17 @@ static struct tegra_dsi_state *tegra_dsi_get_state(struct tegra_dsi *dsi)
 
 static inline u32 tegra_dsi_readl(struct tegra_dsi *dsi, unsigned int offset)
 {
-	return readl(dsi->regs + (offset << 2));
+	u32 value = readl(dsi->regs + (offset << 2));
+
+	trace_dsi_readl(dsi->dev, offset, value);
+
+	return value;
 }
 
 static inline void tegra_dsi_writel(struct tegra_dsi *dsi, u32 value,
 				    unsigned int offset)
 {
+	trace_dsi_writel(dsi->dev, offset, value);
 	writel(value, dsi->regs + (offset << 2));
 }