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drm/tegra: Add trace support

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Add trace support for the Tegra DRM driver by pulling in the relevant
changes from the upstream Tegra DRM driver.

Bug 3724727

Change-Id: Id34df005df76a27120282790a53c09c71361cec2
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2739540
Reviewed-by: svc_kernel_abi <svc_kernel_abi@nvidia.com>
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
This commit is contained in:
Jon Hunter
2022-07-01 11:08:58 +01:00
committed by Laxman Dewangan
parent 1980c277ea
commit 38c4f3bbd5
9 changed files with 89 additions and 0 deletions
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4
drivers/gpu/drm/tegra/dsi.c
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@@ -28,6 +28,7 @@
#include "drm.h"
#include "dsi.h"
#include "mipi-phy.h"
#include <trace/events/trace.h>
struct tegra_dsi_state {
struct drm_connector_state base;
@@ -107,12 +108,15 @@ static inline u32 tegra_dsi_readl(struct tegra_dsi *dsi, unsigned int offset)
{
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));
}