diff options
| author | Jani Nikula <jani.nikula@intel.com> | 2021-03-29 15:37:16 +0200 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2021-03-31 14:41:35 +0200 |
| commit | 4cc4f09eaa06178bfa8a5b2c753cefb56e1048c8 (patch) | |
| tree | 63391ab1cfe560c8c14ca9ab8e64eb55485e8008 /include/drm | |
| parent | drm/edid: make a number of functions, parameters and variables const (diff) | |
| download | linux-4cc4f09eaa06178bfa8a5b2c753cefb56e1048c8.tar.xz linux-4cc4f09eaa06178bfa8a5b2c753cefb56e1048c8.zip | |
drm/displayid: add separate drm_displayid.c
We'll be adding more DisplayID specific functions going forward, so
start off by splitting out a few functions to a separate file.
We don't bother with exporting the functions; at least for now they
should be needed solely within drm.ko.
No functional changes.
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/07942d5011891b8e8f77245c78b34f4af97a9315.1617024940.git.jani.nikula@intel.com
Diffstat (limited to 'include/drm')
| -rw-r--r-- | include/drm/drm_displayid.h | 8 | ||||
| -rw-r--r-- | include/drm/drm_edid.h | 3 |
2 files changed, 11 insertions, 0 deletions
diff --git a/include/drm/drm_displayid.h b/include/drm/drm_displayid.h index f141c0eff083..3c6db22a518a 100644 --- a/include/drm/drm_displayid.h +++ b/include/drm/drm_displayid.h @@ -22,6 +22,10 @@ #ifndef DRM_DISPLAYID_H #define DRM_DISPLAYID_H +#include <linux/types.h> + +struct edid; + #define DATA_BLOCK_PRODUCT_ID 0x00 #define DATA_BLOCK_DISPLAY_PARAMETERS 0x01 #define DATA_BLOCK_COLOR_CHARACTERISTICS 0x02 @@ -100,4 +104,8 @@ struct displayid_detailed_timing_block { (idx) += sizeof(struct displayid_block) + (block)->num_bytes, \ (block) = (const struct displayid_block *)&(displayid)[idx]) +const u8 *drm_find_displayid_extension(const struct edid *edid, + int *length, int *idx, + int *ext_index); + #endif diff --git a/include/drm/drm_edid.h b/include/drm/drm_edid.h index a158f585f658..759328a5eeb2 100644 --- a/include/drm/drm_edid.h +++ b/include/drm/drm_edid.h @@ -543,5 +543,8 @@ struct drm_display_mode *drm_mode_find_dmt(struct drm_device *dev, struct drm_display_mode * drm_display_mode_from_cea_vic(struct drm_device *dev, u8 video_code); +const u8 *drm_find_edid_extension(const struct edid *edid, + int ext_id, int *ext_index); + #endif /* __DRM_EDID_H__ */ |