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authorJani Nikula <jani.nikula@intel.com>2021-03-29 16:37:16 +0300
committerJani Nikula <jani.nikula@intel.com>2021-03-31 15:41:35 +0300
commit4cc4f09eaa06178bfa8a5b2c753cefb56e1048c8 (patch)
tree63391ab1cfe560c8c14ca9ab8e64eb55485e8008 /include/drm
parent43d16d847eba1469b5579b6515413b4caa07885c (diff)
downloadlinux-4cc4f09eaa06178bfa8a5b2c753cefb56e1048c8.tar.xz
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.h8
-rw-r--r--include/drm/drm_edid.h3
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__ */