[PATCH 1/2] drm/edid: abstract override/firmware EDID retrieval

Jani Nikula
2019-06-07T11:05:12Z

Abstract the debugfs override and the firmware EDID retrieval
function. We'll be needing it in the follow-up. No functional changes.

Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Harish Chegondi <harish.chegondi@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
---
drivers/gpu/drm/drm_edid.c | 25 +++++++++++++++++--------
1 file changed, 17 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index c3296a72fff9..c59a1e8c5ada 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -1573,6 +1573,20 @@ static void connector_bad_edid(struct drm_connector *connector,
}
}

+/* Get override or firmware EDID */
+static struct edid *drm_get_override_edid(struct drm_connector *connector)
+{
+ struct edid *override = NULL;
+
+ if (connector->override_edid)
+ override = drm_edid_duplicate(connector->edid_blob_ptr->data);
+
+ if (!override)
+ override = drm_load_edid_firmware(connector);
+
+ return IS_ERR(override) ? NULL : override;
+}
+
/**
* drm_do_get_edid - get EDID data using a custom EDID block read function
* @connector: connector we're probing
@@ -1600,15 +1614,10 @@ struct edid *drm_do_get_edid(struct drm_connector *connector,
{
int i, j = 0, valid_extensions = 0;
u8 *edid, *new;
- struct edid *override = NULL;
-
- if (connector->override_edid)
- override = drm_edid_duplicate(connector->edid_blob_ptr->data);
-
- if (!override)
- override = drm_load_edid_firmware(connector);
+ struct edid *override;

- if (!IS_ERR_OR_NULL(override))
+ override = drm_get_override_edid(connector);
+ if (override)
return override;

if ((edid = kmalloc(EDID_LENGTH, GFP_KERNEL)) == NULL)
--
2.20.1

_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org