You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
30 lines
1.1 KiB
30 lines
1.1 KiB
8 years ago
|
From b66013edab6e2149beb55eb1021926fd7ea26da7 Mon Sep 17 00:00:00 2001
|
||
|
|
From: Eric Anholt <eric@anholt.net>
|
||
|
|
Date: Thu, 15 Sep 2016 17:52:17 +0100
|
||
|
|
Subject: [PATCH] drm/vc4: Fix up the limited range RGB output commit.
|
||
|
|
|
||
|
|
CEA mode #1 is the only one that doesn't do limited range, thus the
|
||
|
|
strange pattern in other drivers.
|
||
|
|
|
||
|
|
Signed-off-by: Eric Anholt <eric@anholt.net>
|
||
|
|
---
|
||
|
|
drivers/gpu/drm/vc4/vc4_hdmi.c | 7 +++++--
|
||
|
|
1 file changed, 5 insertions(+), 2 deletions(-)
|
||
|
|
|
||
|
|
--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
|
||
|
|
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
|
||
|
|
@@ -343,8 +343,11 @@ static void vc4_hdmi_encoder_mode_set(st
|
||
|
|
csc_ctl = VC4_SET_FIELD(VC4_HD_CSC_CTL_ORDER_BGR,
|
||
|
|
VC4_HD_CSC_CTL_ORDER);
|
||
|
|
|
||
|
|
- if (vc4_encoder->hdmi_monitor && drm_match_cea_mode(mode) != 0) {
|
||
|
|
- /* Enable limited range RGB output. This matrix is:
|
||
|
|
+ if (vc4_encoder->hdmi_monitor && drm_match_cea_mode(mode) > 1) {
|
||
|
|
+ /* CEA VICs other than #1 requre limited range RGB
|
||
|
|
+ * output. Apply a colorspace conversion to squash
|
||
|
|
+ * 0-255 down to 16-235. The matrix here is:
|
||
|
|
+ *
|
||
|
|
* [ 0 0 0.8594 16]
|
||
|
|
* [ 0 0.8594 0 16]
|
||
|
|
* [ 0.8594 0 0 16]
|