linux-kernel - [PATCH 9/9] drm: meson: venc: set the correct macrovision max amplitude value

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Message-ID: <86mui782dt.fsf@baylibre.com>
Date:   Mon, 24 Jun 2019 16:49:12 +0200
From:   Julien Masson <jmasson@...libre.com>
To:     Neil Armstrong <narmstrong@...libre.com>
Cc:     linux-arm-kernel@...ts.infradead.org,
        linux-amlogic@...ts.infradead.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org, Julien Masson <jmasson@...libre.com>
Subject: [PATCH 9/9] drm: meson: venc: set the correct macrovision max
 amplitude value

According to the register description of ENCI_MACV_MAX_AMP, the
macrovision max amplitude value should be:
- hdmi 480i => 0xb
- hdmi 576i => 0x7

The max value is 0x7ff (10 bits).

Signed-off-by: Julien Masson <jmasson@...libre.com>
---
 drivers/gpu/drm/meson/meson_venc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/meson/meson_venc.c b/drivers/gpu/drm/meson/meson_venc.c
index 2835133ab676..acad16ff7371 100644
--- a/drivers/gpu/drm/meson/meson_venc.c
+++ b/drivers/gpu/drm/meson/meson_venc.c
@@ -192,7 +192,7 @@ union meson_hdmi_venc_mode meson_hdmi_enci_mode_480i = {
 		.hso_end = 129,
 		.vso_even = 3,
 		.vso_odd = 260,
-		.macv_max_amp = 0x810b,
+		.macv_max_amp = 0xb,
 		.video_prog_mode = 0xf0,
 		.video_mode = 0x8,
 		.sch_adjust = 0x20,
@@ -212,7 +212,7 @@ union meson_hdmi_venc_mode meson_hdmi_enci_mode_576i = {
 		.hso_end = 129,
 		.vso_even = 3,
 		.vso_odd = 260,
-		.macv_max_amp = 8107,
+		.macv_max_amp = 0x7,
 		.video_prog_mode = 0xff,
 		.video_mode = 0x13,
 		.sch_adjust = 0x28,
-- 
2.17.1