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| author | Jani Nikula <jani.nikula@intel.com> | 2024-05-10 18:08:12 +0300 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2024-05-23 14:37:24 +0300 |
| commit | adcea136b4e865b11cf414321e397d872558e767 (patch) | |
| tree | 4666817934701da0fff9f4a8be6af7a3cb0b3359 /drivers/gpu/drm/drm_sysfs.c | |
| parent | 42505ab1201918585b2627b171b064193a815c0d (diff) | |
| download | linux-adcea136b4e865b11cf414321e397d872558e767.tar.gz linux-adcea136b4e865b11cf414321e397d872558e767.tar.bz2 linux-adcea136b4e865b11cf414321e397d872558e767.zip | |
drm/edid: add a helper for EDID sysfs property show
Add a helper to get the EDID property for sysfs property show. This
hides all the edid_blob_ptr usage within drm_edid.c.
Reviewed-by: Chaitanya Kumar Borah <chaitanya.kumar.borah@intel.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/902c8e09d25b99391fd9c92d95af07c01d7b7cbd.1715353572.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Diffstat (limited to 'drivers/gpu/drm/drm_sysfs.c')
| -rw-r--r-- | drivers/gpu/drm/drm_sysfs.c | 24 |
1 files changed, 2 insertions, 22 deletions
diff --git a/drivers/gpu/drm/drm_sysfs.c b/drivers/gpu/drm/drm_sysfs.c index bd9b8ab4f82b..fb3bbb6adcd1 100644 --- a/drivers/gpu/drm/drm_sysfs.c +++ b/drivers/gpu/drm/drm_sysfs.c @@ -266,29 +266,9 @@ static ssize_t edid_show(struct file *filp, struct kobject *kobj, { struct device *connector_dev = kobj_to_dev(kobj); struct drm_connector *connector = to_drm_connector(connector_dev); - unsigned char *edid; - size_t size; - ssize_t ret = 0; + ssize_t ret; - mutex_lock(&connector->dev->mode_config.mutex); - if (!connector->edid_blob_ptr) - goto unlock; - - edid = connector->edid_blob_ptr->data; - size = connector->edid_blob_ptr->length; - if (!edid) - goto unlock; - - if (off >= size) - goto unlock; - - if (off + count > size) - count = size - off; - memcpy(buf, edid + off, count); - - ret = count; -unlock: - mutex_unlock(&connector->dev->mode_config.mutex); + ret = drm_edid_connector_property_show(connector, buf, off, count); return ret; } |