linux-kernel - [PATCH] drm/edid: Increase size of VDB and CMDB bitmaps to 256 bits

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Message-Id: <20191210221048.83628-1-thomasanderson@google.com>
Date:   Tue, 10 Dec 2019 14:10:48 -0800
From:   Thomas Anderson <thomasanderson@...gle.com>
To:     "Ville Syrjälä" 
        <ville.syrjala@...ux.intel.com>
Cc:     Bhawanpreet Lakha <Bhawanpreet.lakha@....com>,
        Harry Wentland <hwentlan@....com>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>, Sean Pau <sean@...rly.run>,
        Daniel Vetter <daniel@...ll.ch>,
        David Airlie <airlied@...ux.ie>, linux-kernel@...r.kernel.org,
        dri-devel@...ts.freedesktop.org,
        Thomas Anderson <thomasanderson@...gle.com>
Subject: [PATCH] drm/edid: Increase size of VDB and CMDB bitmaps to 256 bits

CEA-861-G adds modes up to 219, so increase the size of the
maps in preparation for adding the new modes to drm_edid.c.

Signed-off-by: Thomas Anderson <thomasanderson@...gle.com>
---
 include/drm/drm_connector.h | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h
index 5f8c3389d46f..17b728d9c73d 100644
--- a/include/drm/drm_connector.h
+++ b/include/drm/drm_connector.h
@@ -188,19 +188,19 @@ struct drm_hdmi_info {
 
 	/**
 	 * @y420_vdb_modes: bitmap of modes which can support ycbcr420
-	 * output only (not normal RGB/YCBCR444/422 outputs). There are total
-	 * 107 VICs defined by CEA-861-F spec, so the size is 128 bits to map
-	 * upto 128 VICs;
+	 * output only (not normal RGB/YCBCR444/422 outputs). The max VIC
+	 * defined by the CEA-861-G spec is 219, so the size is 256 bits to map
+	 * up to 256 VICs.
 	 */
-	unsigned long y420_vdb_modes[BITS_TO_LONGS(128)];
+	unsigned long y420_vdb_modes[BITS_TO_LONGS(256)];
 
 	/**
 	 * @y420_cmdb_modes: bitmap of modes which can support ycbcr420
-	 * output also, along with normal HDMI outputs. There are total 107
-	 * VICs defined by CEA-861-F spec, so the size is 128 bits to map upto
-	 * 128 VICs;
+	 * output also, along with normal HDMI outputs. The max VIC defined by
+	 * the CEA-861-G spec is 219, so the size is 256 bits to map up to 256
+	 * VICs.
 	 */
-	unsigned long y420_cmdb_modes[BITS_TO_LONGS(128)];
+	unsigned long y420_cmdb_modes[BITS_TO_LONGS(256)];
 
 	/** @y420_cmdb_map: bitmap of SVD index, to extraxt vcb modes */
 	u64 y420_cmdb_map;
-- 
2.24.0.525.g8f36a354ae-goog