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| author | Ricardo Cañuelo <ricardo.canuelo@collabora.com> | 2020-06-17 11:46:33 +0200 |
|---|---|---|
| committer | Sam Ravnborg <sam@ravnborg.org> | 2020-06-20 20:43:37 +0200 |
| commit | b9fe86204b06655204534ac5e0562d6a3e503b16 (patch) | |
| tree | d350fba74a575bf3af2cdd2a49e3ce411bb11bd4 | |
| parent | db8f92a5e627ffb11ff2d9f35cf54442f5771a49 (diff) | |
| download | linux-b9fe86204b06655204534ac5e0562d6a3e503b16.tar.bz2 | |
drm/bridge: tfp410: Fix setup and hold time calculation
This fixes a bug in the calculation of the setup and hold times based on
the deskew configuration.
Signed-off-by: Ricardo Cañuelo <ricardo.canuelo@collabora.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200617094633.19663-5-ricardo.canuelo@collabora.com
| -rw-r--r-- | drivers/gpu/drm/bridge/ti-tfp410.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/bridge/ti-tfp410.c b/drivers/gpu/drm/bridge/ti-tfp410.c index dfde811f3411..21d99b4ea0c9 100644 --- a/drivers/gpu/drm/bridge/ti-tfp410.c +++ b/drivers/gpu/drm/bridge/ti-tfp410.c @@ -278,8 +278,8 @@ static int tfp410_parse_timings(struct tfp410 *dvi, bool i2c) if (deskew > 7) return -EINVAL; - timings->setup_time_ps = min(0, 1200 - 350 * ((s32)deskew - 4)); - timings->hold_time_ps = min(0, 1300 + 350 * ((s32)deskew - 4)); + timings->setup_time_ps = 1200 - 350 * ((s32)deskew - 4); + timings->hold_time_ps = max(0, 1300 + 350 * ((s32)deskew - 4)); return 0; } |