From edea372bd205a30385d4ffbf51afdac62bba478b Mon Sep 17 00:00:00 2001
From: Maxime Ripard <maxime.ripard@free-electrons.com>
Date: Thu, 21 Dec 2017 12:02:31 +0100
Subject: drm/sun4i: Force the mixer rate at 150MHz
It seems like the mixer can only run properly when clocked at 150MHz. In
order to have something more robust than simply a fire-and-forget
assigned-clocks-rate, let's put that in the code.
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Link: https://patchwork.freedesktop.org/patch/msgid/f5f05307972ed05250e8094b302d68b9e7e167f6.1513854122.git-series.maxime.ripard@free-electrons.com
---
drivers/gpu/drm/sun4i/sun8i_mixer.h | 3 +++
1 file changed, 3 insertions(+)
(limited to 'drivers/gpu/drm/sun4i/sun8i_mixer.h')
diff --git a/drivers/gpu/drm/sun4i/sun8i_mixer.h b/drivers/gpu/drm/sun4i/sun8i_mixer.h
index bc58040a88f9..f34e70c42adf 100644
--- a/drivers/gpu/drm/sun4i/sun8i_mixer.h
+++ b/drivers/gpu/drm/sun4i/sun8i_mixer.h
@@ -121,12 +121,15 @@ struct de2_fmt_info {
* Set value to 0 if this is first mixer or second mixer with VEP support.
* Set value to 1 if this is second mixer without VEP support. Other values
* are invalid.
+ * @mod_rate: module clock rate that needs to be set in order to have
+ * a functional block.
*/
struct sun8i_mixer_cfg {
int vi_num;
int ui_num;
int scaler_mask;
int ccsc;
+ unsigned long mod_rate;
};
struct sun8i_mixer {
--
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