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From: Jani Nikula <jani.nikula@intel.com>
To: dri-devel@lists.freedesktop.org
Cc: jani.nikula@intel.com, intel-gfx@lists.freedesktop.org
Subject: [PATCH v2 1/4] drm: move edid property update and add modes out of edid firmware loader
Date: Fri, 17 Feb 2017 17:20:51 +0200	[thread overview]
Message-ID: <1487344854-18777-2-git-send-email-jani.nikula@intel.com> (raw)
In-Reply-To: <1487344854-18777-1-git-send-email-jani.nikula@intel.com>

Make the firmware loader more generic and generally useful.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
---
 drivers/gpu/drm/drm_edid_load.c    | 17 ++++-------------
 drivers/gpu/drm/drm_probe_helper.c |  8 +++++++-
 include/drm/drm_edid.h             |  7 ++++---
 3 files changed, 15 insertions(+), 17 deletions(-)

diff --git a/drivers/gpu/drm/drm_edid_load.c b/drivers/gpu/drm/drm_edid_load.c
index 622f788bff46..1c0495acf341 100644
--- a/drivers/gpu/drm/drm_edid_load.c
+++ b/drivers/gpu/drm/drm_edid_load.c
@@ -256,15 +256,14 @@ static void *edid_load(struct drm_connector *connector, const char *name,
 	return edid;
 }
 
-int drm_load_edid_firmware(struct drm_connector *connector)
+struct edid *drm_load_edid_firmware(struct drm_connector *connector)
 {
 	const char *connector_name = connector->name;
 	char *edidname, *last, *colon, *fwstr, *edidstr, *fallback = NULL;
-	int ret;
 	struct edid *edid;
 
 	if (edid_firmware[0] == '\0')
-		return 0;
+		return ERR_PTR(-ENOENT);
 
 	/*
 	 * If there are multiple edid files specified and separated
@@ -293,7 +292,7 @@ int drm_load_edid_firmware(struct drm_connector *connector)
 	if (!edidname) {
 		if (!fallback) {
 			kfree(fwstr);
-			return 0;
+			return ERR_PTR(-ENOENT);
 		}
 		edidname = fallback;
 	}
@@ -305,13 +304,5 @@ int drm_load_edid_firmware(struct drm_connector *connector)
 	edid = edid_load(connector, edidname, connector_name);
 	kfree(fwstr);
 
-	if (IS_ERR_OR_NULL(edid))
-		return 0;
-
-	drm_mode_connector_update_edid_property(connector, edid);
-	ret = drm_add_edid_modes(connector, edid);
-	drm_edid_to_eld(connector, edid);
-	kfree(edid);
-
-	return ret;
+	return edid;
 }
diff --git a/drivers/gpu/drm/drm_probe_helper.c b/drivers/gpu/drm/drm_probe_helper.c
index 93381454bdf7..358957118ca9 100644
--- a/drivers/gpu/drm/drm_probe_helper.c
+++ b/drivers/gpu/drm/drm_probe_helper.c
@@ -311,7 +311,13 @@ int drm_helper_probe_single_connector_modes(struct drm_connector *connector,
 		count = drm_add_edid_modes(connector, edid);
 		drm_edid_to_eld(connector, edid);
 	} else {
-		count = drm_load_edid_firmware(connector);
+		struct edid *edid = drm_load_edid_firmware(connector);
+		if (!IS_ERR_OR_NULL(edid)) {
+			drm_mode_connector_update_edid_property(connector, edid);
+			count = drm_add_edid_modes(connector, edid);
+			drm_edid_to_eld(connector, edid);
+			kfree(edid);
+		}
 		if (count == 0)
 			count = (*connector_funcs->get_modes)(connector);
 	}
diff --git a/include/drm/drm_edid.h b/include/drm/drm_edid.h
index 43fb0ac5eb9c..a55eea4afb61 100644
--- a/include/drm/drm_edid.h
+++ b/include/drm/drm_edid.h
@@ -331,11 +331,12 @@ int drm_av_sync_delay(struct drm_connector *connector,
 		      const struct drm_display_mode *mode);
 
 #ifdef CONFIG_DRM_LOAD_EDID_FIRMWARE
-int drm_load_edid_firmware(struct drm_connector *connector);
+struct edid *drm_load_edid_firmware(struct drm_connector *connector);
 #else
-static inline int drm_load_edid_firmware(struct drm_connector *connector)
+static inline struct edid *
+drm_load_edid_firmware(struct drm_connector *connector)
 {
-	return 0;
+	return ERR_PTR(-ENOENT);
 }
 #endif
 
-- 
2.1.4

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  reply	other threads:[~2017-02-17 15:20 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-02-17 15:20 [PATCH v2 0/4] drm: handle override/firmware edid at the lowest level Jani Nikula
2017-02-17 15:20 ` Jani Nikula [this message]
2017-02-17 15:20 ` [PATCH v2 2/4] drm: do not debug log about missing CEA extensions on NULL edid Jani Nikula
2017-02-17 15:20 ` [PATCH v2 3/4] drm/edid: respect connector force for drm_get_edid ddc probe Jani Nikula
2017-02-17 15:20 ` [PATCH v2 4/4] drm: handle override edid and firmware EDID at drm_do_get_edid() level Jani Nikula
2017-02-26 21:22   ` Daniel Vetter
2017-02-27 15:09     ` Ville Syrjälä
2017-02-27 16:19       ` Daniel Vetter
2017-02-27 16:36         ` Ville Syrjälä
2017-02-17 15:34 ` [PATCH v2 0/4] drm: handle override/firmware edid at the lowest level Ville Syrjälä
2017-02-21 14:15   ` Jani Nikula
2017-02-17 19:22 ` ✓ Fi.CI.BAT: success for drm: handle override/firmware edid at the lowest level (rev2) Patchwork

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