diff options
| author | Thierry Reding <treding@nvidia.com> | 2019-10-21 17:34:37 +0300 |
|---|---|---|
| committer | Thierry Reding <treding@nvidia.com> | 2019-10-23 19:22:10 +0300 |
| commit | 9a42c7c647a9ad0f7ebb147a52eda3dcb7c84292 (patch) | |
| tree | 1376233b68ae5224f4b7acf6761074052ed3d751 /drivers/gpu/drm/tegra/dp.h | |
| parent | 2589c4025f1301ccf7421d9c2f0001a4f87380ea (diff) | |
| download | linux-9a42c7c647a9ad0f7ebb147a52eda3dcb7c84292.tar.xz | |
drm/tegra: Move drm_dp_link helpers to Tegra DRM
During the discussion of patches that enhance the drm_dp_link helpers it
was concluded that these helpers aren't very useful to begin with. After
all other drivers have been converted not to use these helpers anymore,
move these helpers into the last remaining user: Tegra DRM.
If at some point these helpers are deemed more widely useful, they can
be moved out into the DRM DP helpers again.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20191021143437.1477719-14-thierry.reding@gmail.com
Diffstat (limited to 'drivers/gpu/drm/tegra/dp.h')
| -rw-r--r-- | drivers/gpu/drm/tegra/dp.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/gpu/drm/tegra/dp.h b/drivers/gpu/drm/tegra/dp.h new file mode 100644 index 000000000000..88842fd25abf --- /dev/null +++ b/drivers/gpu/drm/tegra/dp.h @@ -0,0 +1,26 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright (C) 2013-2019 NVIDIA Corporation. + * Copyright (C) 2015 Rob Clark + */ + +#ifndef DRM_TEGRA_DP_H +#define DRM_TEGRA_DP_H 1 + +struct drm_dp_aux; + +#define DP_LINK_CAP_ENHANCED_FRAMING (1 << 0) + +struct drm_dp_link { + unsigned char revision; + unsigned int rate; + unsigned int num_lanes; + unsigned long capabilities; +}; + +int drm_dp_link_probe(struct drm_dp_aux *aux, struct drm_dp_link *link); +int drm_dp_link_power_up(struct drm_dp_aux *aux, struct drm_dp_link *link); +int drm_dp_link_power_down(struct drm_dp_aux *aux, struct drm_dp_link *link); +int drm_dp_link_configure(struct drm_dp_aux *aux, struct drm_dp_link *link); + +#endif |