drm/tegra: dc: Implement hardware VBLANK counter
The display controller on Tegra can use syncpoints to count VBLANK
events. syncpoints are 32-bit unsigned integers, so well suited as
VBLANK counters.
Signed-off-by:
Thierry Reding <treding@nvidia.com>
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- drivers/gpu/drm/tegra/dc.c 24 additions, 7 deletionsdrivers/gpu/drm/tegra/dc.c
- drivers/gpu/drm/tegra/dc.h 3 additions, 4 deletionsdrivers/gpu/drm/tegra/dc.h
- drivers/gpu/drm/tegra/drm.c 6 additions, 2 deletionsdrivers/gpu/drm/tegra/drm.c
- drivers/gpu/drm/tegra/drm.h 2 additions, 0 deletionsdrivers/gpu/drm/tegra/drm.h
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