diff options
| author | Marek Vasut <marex@denx.de> | 2022-03-31 17:05:05 +0200 |
|---|---|---|
| committer | Robert Foss <robert.foss@linaro.org> | 2022-03-31 17:20:41 +0200 |
| commit | 75122915dbb46d33294e9078bef615d6fdf8ec0d (patch) | |
| tree | a536121449fa5245c1b52cc43592b20a53e67a18 /drivers | |
| parent | aedfd0b9ae0a5759e4db1a6185637aa89b3df5f3 (diff) | |
| download | linux-75122915dbb46d33294e9078bef615d6fdf8ec0d.tar.bz2 | |
drm: bridge: icn6211: Set SYS_CTRL_1 to value used in examples
Both example code [1], [2] as well as one provided by custom panel vendor
set register SYS_CTRL_1 to 0x88. What exactly does the value mean is unknown
due to unavailable datasheet. Align this register value with example code.
[1] https://github.com/rockchip-linux/kernel/blob/develop-4.19/drivers/gpu/drm/bridge/icn6211.c
[2] https://github.com/tdjastrzebski/ICN6211-Configurator
Acked-by: Maxime Ripard <maxime@cerno.tech>
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Jagan Teki <jagan@amarulasolutions.com>
Cc: Maxime Ripard <maxime@cerno.tech>
Cc: Robert Foss <robert.foss@linaro.org>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
To: dri-devel@lists.freedesktop.org
Signed-off-by: Robert Foss <robert.foss@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220331150509.9838-8-marex@denx.de
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/bridge/chipone-icn6211.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/bridge/chipone-icn6211.c b/drivers/gpu/drm/bridge/chipone-icn6211.c index 4d6baef7ce16..b2faad4cb8a6 100644 --- a/drivers/gpu/drm/bridge/chipone-icn6211.c +++ b/drivers/gpu/drm/bridge/chipone-icn6211.c @@ -308,7 +308,7 @@ static void chipone_atomic_enable(struct drm_bridge *bridge, chipone_configure_pll(icn, mode); ICN6211_DSI(icn, SYS_CTRL(0), 0x40); - ICN6211_DSI(icn, SYS_CTRL(1), 0x98); + ICN6211_DSI(icn, SYS_CTRL(1), 0x88); /* icn6211 specific sequence */ ICN6211_DSI(icn, MIPI_FORCE_0, 0x20); |