Re: [PATCH v2 05/25] drm/edid: keep propagating drm_edid to display info

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On 5/9/2022 5:33 PM, Jani Nikula wrote:
We'll need to propagate drm_edid everywhere.

v2: Use drm_edid_legacy_init()

Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
---
  drivers/gpu/drm/drm_edid.c | 48 +++++++++++++++++++++++---------------
  1 file changed, 29 insertions(+), 19 deletions(-)

diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index f48f1f1a1fa7..96e3f9327044 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -2437,13 +2437,13 @@ EXPORT_SYMBOL(drm_edid_duplicate);
/**
   * edid_get_quirks - return quirk flags for a given EDID
- * @edid: EDID to process
+ * @drm_edid: EDID to process
   *
   * This tells subsequent routines what fixes they need to apply.
   */
-static u32 edid_get_quirks(const struct edid *edid)
+static u32 edid_get_quirks(const struct drm_edid *drm_edid)
  {
-	u32 panel_id = edid_extract_panel_id(edid);
+	u32 panel_id = edid_extract_panel_id(drm_edid->edid);
  	const struct edid_quirk *quirk;
  	int i;
@@ -5466,7 +5466,7 @@ static void drm_parse_microsoft_vsdb(struct drm_connector *connector,
  }
static void drm_parse_cea_ext(struct drm_connector *connector,
-			      const struct edid *edid)
+			      const struct drm_edid *drm_edid)
  {
  	struct drm_display_info *info = &connector->display_info;
  	struct drm_edid_iter edid_iter;
@@ -5474,7 +5474,7 @@ static void drm_parse_cea_ext(struct drm_connector *connector,
  	struct cea_db_iter iter;
  	const u8 *edid_ext;
- drm_edid_iter_begin(edid, &edid_iter);
+	drm_edid_iter_begin(drm_edid->edid, &edid_iter);
  	drm_edid_iter_for_each(edid_ext, &edid_iter) {
  		if (edid_ext[0] != CEA_EXT)
  			continue;
@@ -5495,7 +5495,7 @@ static void drm_parse_cea_ext(struct drm_connector *connector,
  	}
  	drm_edid_iter_end(&edid_iter);
- cea_db_iter_edid_begin(edid, &iter);
+	cea_db_iter_edid_begin(drm_edid->edid, &iter);
  	cea_db_iter_for_each(db, &iter) {
  		/* FIXME: convert parsers to use struct cea_db */
  		const u8 *data = (const u8 *)db;
@@ -5541,16 +5541,15 @@ void get_monitor_range(const struct detailed_timing *timing,
  	monitor_range->max_vfreq = range->max_vfreq;
  }
-static
-void drm_get_monitor_range(struct drm_connector *connector,
-			   const struct edid *edid)
+static void drm_get_monitor_range(struct drm_connector *connector,
+				  const struct drm_edid *drm_edid)
  {
  	struct drm_display_info *info = &connector->display_info;
- if (!version_greater(edid, 1, 1))
+	if (!version_greater(drm_edid->edid, 1, 1))
  		return;
- drm_for_each_detailed_block(edid, get_monitor_range,
+	drm_for_each_detailed_block(drm_edid->edid, get_monitor_range,
  				    &info->monitor_range);
DRM_DEBUG_KMS("Supported Monitor Refresh rate range is %d Hz - %d Hz\n",
@@ -5610,12 +5609,13 @@ static void drm_parse_vesa_mso_data(struct drm_connector *connector,
  		    info->mso_stream_count, info->mso_pixel_overlap);
  }
-static void drm_update_mso(struct drm_connector *connector, const struct edid *edid)
+static void drm_update_mso(struct drm_connector *connector,
+			   const struct drm_edid *drm_edid)
  {
  	const struct displayid_block *block;
  	struct displayid_iter iter;
- displayid_iter_edid_begin(edid, &iter);
+	displayid_iter_edid_begin(drm_edid->edid, &iter);
  	displayid_iter_for_each(block, &iter) {
  		if (block->tag == DATA_BLOCK_2_VENDOR_SPECIFIC)
  			drm_parse_vesa_mso_data(connector, block);
@@ -5654,18 +5654,20 @@ drm_reset_display_info(struct drm_connector *connector)
  	info->mso_pixel_overlap = 0;
  }
-u32 drm_add_display_info(struct drm_connector *connector, const struct edid *edid)
+static u32 update_display_info(struct drm_connector *connector,
+			       const struct drm_edid *drm_edid)
  {
  	struct drm_display_info *info = &connector->display_info;
+	const struct edid *edid = drm_edid->edid;
- u32 quirks = edid_get_quirks(edid);
+	u32 quirks = edid_get_quirks(drm_edid);
drm_reset_display_info(connector); info->width_mm = edid->width_cm * 10;
  	info->height_mm = edid->height_cm * 10;
- drm_get_monitor_range(connector, edid);
+	drm_get_monitor_range(connector, drm_edid);
if (edid->revision < 3)
  		goto out;
@@ -5674,7 +5676,7 @@ u32 drm_add_display_info(struct drm_connector *connector, const struct edid *edi
  		goto out;
info->color_formats |= DRM_COLOR_FORMAT_RGB444;
-	drm_parse_cea_ext(connector, edid);
+	drm_parse_cea_ext(connector, drm_edid);
/*
  	 * Digital sink with "DFP 1.x compliant TMDS" according to EDID 1.3?
@@ -5727,7 +5729,7 @@ u32 drm_add_display_info(struct drm_connector *connector, const struct edid *edi
  	if (edid->features & DRM_EDID_FEATURE_RGB_YCRCB422)
  		info->color_formats |= DRM_COLOR_FORMAT_YCBCR422;
- drm_update_mso(connector, edid);
+	drm_update_mso(connector, drm_edid);
out:
  	if (quirks & EDID_QUIRK_NON_DESKTOP) {
@@ -5739,6 +5741,14 @@ u32 drm_add_display_info(struct drm_connector *connector, const struct edid *edi
  	return quirks;
  }
+u32 drm_add_display_info(struct drm_connector *connector, const struct edid *edid)
+{
+	struct drm_edid drm_edid;
+
+	return update_display_info(connector,
+				   drm_edid_legacy_init(&drm_edid, edid));
+}
+
  static struct drm_display_mode *drm_mode_displayid_detailed(struct drm_device *dev,
  							    struct displayid_detailed_timings_1 *timings,
  							    bool type_7)
@@ -5851,7 +5861,7 @@ static int drm_edid_connector_update(struct drm_connector *connector,
  	 * To avoid multiple parsing of same block, lets parse that map
  	 * from sink info, before parsing CEA modes.
  	 */
-	quirks = drm_add_display_info(connector, edid);
+	quirks = update_display_info(connector, drm_edid);
/* Depends on info->cea_rev set by drm_add_display_info() above */
  	drm_edid_to_eld(connector, edid);

By mistake commented on older revision, pasting the same comment on V2:

Perhaps the comment above needs to be updated with update_display_info()

Patch looks good to me.

Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@xxxxxxxxx>

Regards,

Ankit




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