diff options
| author | Jani Nikula <jani.nikula@intel.com> | 2023-08-31 13:51:44 +0300 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2023-09-01 11:59:37 +0300 |
| commit | f208f4a49a46cc04f51b0c335d4b6390fbfcd1b8 (patch) | |
| tree | dc6f49cfeb2307962a41b677d6beb959832238ff /drivers/media | |
| parent | 1bc7344835524060f958e1879f8e427e54031098 (diff) | |
| download | linux-f208f4a49a46cc04f51b0c335d4b6390fbfcd1b8.tar.xz | |
media: cec: core: add note about *_from_edid() function usage in drm
In the drm subsystem, the source physical address is, in most cases,
available without having to parse the EDID again. Add notes about
preferring to use the pre-parsed address instead.
Cc: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Cc: linux-media@vger.kernel.org
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Acked-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Link: https://patchwork.freedesktop.org/patch/msgid/20230831105144.25923-1-jani.nikula@intel.com
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/cec/core/cec-adap.c | 5 | ||||
| -rw-r--r-- | drivers/media/cec/core/cec-notifier.c | 5 |
2 files changed, 10 insertions, 0 deletions
diff --git a/drivers/media/cec/core/cec-adap.c b/drivers/media/cec/core/cec-adap.c index 241b1621b197..1109af525c35 100644 --- a/drivers/media/cec/core/cec-adap.c +++ b/drivers/media/cec/core/cec-adap.c @@ -1688,6 +1688,11 @@ void cec_s_phys_addr(struct cec_adapter *adap, u16 phys_addr, bool block) } EXPORT_SYMBOL_GPL(cec_s_phys_addr); +/* + * Note: In the drm subsystem, prefer calling (if possible): + * + * cec_s_phys_addr(adap, connector->display_info.source_physical_address, false); + */ void cec_s_phys_addr_from_edid(struct cec_adapter *adap, const struct edid *edid) { diff --git a/drivers/media/cec/core/cec-notifier.c b/drivers/media/cec/core/cec-notifier.c index 389dc664b211..d600be0f7b67 100644 --- a/drivers/media/cec/core/cec-notifier.c +++ b/drivers/media/cec/core/cec-notifier.c @@ -195,6 +195,11 @@ void cec_notifier_set_phys_addr(struct cec_notifier *n, u16 pa) } EXPORT_SYMBOL_GPL(cec_notifier_set_phys_addr); +/* + * Note: In the drm subsystem, prefer calling (if possible): + * + * cec_notifier_set_phys_addr(n, connector->display_info.source_physical_address); + */ void cec_notifier_set_phys_addr_from_edid(struct cec_notifier *n, const struct edid *edid) { |