From: Ondrej Jirman megi@xff.cz
These must be read from timings->flags, like other DSI HOST drivers do.
And they must not be inverted either. Low means low.
Without this fix, panel drivers that set *SYNC_LOW produce corrupted output on screen (shifted horizobnntally and vertivally by back porch distance).
Signed-off-by: Ondrej Jirman megi@xff.cz --- drivers/video/dw_mipi_dsi.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/video/dw_mipi_dsi.c b/drivers/video/dw_mipi_dsi.c index 92e388ac1e42..22fef7e8825f 100644 --- a/drivers/video/dw_mipi_dsi.c +++ b/drivers/video/dw_mipi_dsi.c @@ -538,9 +538,9 @@ static void dw_mipi_dsi_dpi_config(struct dw_mipi_dsi *dsi, break; }
- if (device->mode_flags & DISPLAY_FLAGS_VSYNC_HIGH) + if (timings->flags & DISPLAY_FLAGS_VSYNC_LOW) val |= VSYNC_ACTIVE_LOW; - if (device->mode_flags & DISPLAY_FLAGS_HSYNC_HIGH) + if (timings->flags & DISPLAY_FLAGS_HSYNC_LOW) val |= HSYNC_ACTIVE_LOW;
dsi_write(dsi, DSI_DPI_VCID, DPI_VCID(dsi->channel));