drm/tegra: dc: Trace register accesses
Add tracepoint events for display controller register accesses.
Signed-off-by: Thierry Reding <treding@nvidia.com>
diff --git a/drivers/gpu/drm/tegra/drm.h b/drivers/gpu/drm/tegra/drm.h
index de1bcc5..063f5d3 100644
--- a/drivers/gpu/drm/tegra/drm.h
+++ b/drivers/gpu/drm/tegra/drm.h
@@ -23,6 +23,7 @@
#include <drm/drm_fixed.h>
#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 {