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authorMaxime Ripard <maxime.ripard@free-electrons.com>2017-12-21 12:02:32 +0100
committerMaxime Ripard <maxime.ripard@free-electrons.com>2018-01-04 20:08:42 +0100
commitec08d5966b57abc1e7da4832f0dc57d43eb031b8 (patch)
tree914bc667e5208637a879d9750e381f9590a4913d /drivers/gpu/drm/sun4i/sun4i_tcon.c
parentedea372bd205a30385d4ffbf51afdac62bba478b (diff)
downloadlwn-ec08d5966b57abc1e7da4832f0dc57d43eb031b8.tar.gz
lwn-ec08d5966b57abc1e7da4832f0dc57d43eb031b8.zip
drm/sun4i: Create minimal multipliers and dividers
The various outputs the TCON can provide have different constraints on the dotclock divider. Let's make them configurable by the various mode_set functions. 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/92ff5881c8f8674056d34458b2f264cd48d4e136.1513854122.git-series.maxime.ripard@free-electrons.com
Diffstat (limited to 'drivers/gpu/drm/sun4i/sun4i_tcon.c')
-rw-r--r--drivers/gpu/drm/sun4i/sun4i_tcon.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.c b/drivers/gpu/drm/sun4i/sun4i_tcon.c
index a1ed462c2430..41d325c0420f 100644
--- a/drivers/gpu/drm/sun4i/sun4i_tcon.c
+++ b/drivers/gpu/drm/sun4i/sun4i_tcon.c
@@ -177,6 +177,8 @@ static void sun4i_tcon0_mode_set_rgb(struct sun4i_tcon *tcon,
u8 clk_delay;
u32 val = 0;
+ tcon->dclk_min_div = 6;
+ tcon->dclk_max_div = 127;
sun4i_tcon0_mode_set_common(tcon, mode);
/* Adjust clock delay */