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| author |   Thierry Reding <treding@nvidia.com> | 2017-08-15 15:41:13 +0200 |
|---|---|---|
| committer | Thierry Reding <treding@nvidia.com> | 2017-08-17 17:57:16 +0200 |
| commit | eba7c4551a9b07bf68126e4f22fec4b66475f529 (patch) | |
| tree | 7bd2756e629707c72d9309c4e40c20d27e383824 /drivers/gpu/drm/tegra/dpaux.c | |
| parent | drm/tegra: dsi: Trace register accesses (diff) | |
| download | linux-dev-eba7c4551a9b07bf68126e4f22fec4b66475f529.tar.xz linux-dev-eba7c4551a9b07bf68126e4f22fec4b66475f529.zip | |
drm/tegra: dpaux: Trace register accesses
Add tracepoint events for DPAUX controller register accesses.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'drivers/gpu/drm/tegra/dpaux.c')
| -rw-r--r-- | drivers/gpu/drm/tegra/dpaux.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/gpu/drm/tegra/dpaux.c b/drivers/gpu/drm/tegra/dpaux.c index 83f1406bd487..e4da041ba89b 100644 --- a/drivers/gpu/drm/tegra/dpaux.c +++ b/drivers/gpu/drm/tegra/dpaux.c @@ -25,6 +25,7 @@ #include "dpaux.h" #include "drm.h" +#include "trace.h" static DEFINE_MUTEX(dpaux_lock); static LIST_HEAD(dpaux_list); @@ -67,12 +68,17 @@ static inline struct tegra_dpaux *work_to_dpaux(struct work_struct *work) static inline u32 tegra_dpaux_readl(struct tegra_dpaux *dpaux, unsigned int offset) { - return readl(dpaux->regs + (offset << 2)); + u32 value = readl(dpaux->regs + (offset << 2)); + + trace_dpaux_readl(dpaux->dev, offset, value); + + return value; } static inline void tegra_dpaux_writel(struct tegra_dpaux *dpaux, u32 value, unsigned int offset) { + trace_dpaux_writel(dpaux->dev, offset, value); writel(value, dpaux->regs + (offset << 2)); } |