drm/tegra: dsi: Trace register accesses
Add tracepoint events for DSI controller register accesses.
Signed-off-by: Thierry Reding <treding@nvidia.com>
diff --git a/drivers/gpu/drm/tegra/dsi.c b/drivers/gpu/drm/tegra/dsi.c
index 444664b..6050cc4 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));
}