On Fri, Jun 26, 2015 at 12:27:09PM +0200, Lucas Stach wrote:
From: Philipp Zabel p.zabel@pengutronix.de
According to the data sheet, the minimum horizontal blanking interval is 54 clocks (1 + 52 + 1), but tests with a Nitrogen6X have shown the minimum working horizontal blanking interval to be 60 clocks.
Signed-off-by: Philipp Zabel p.zabel@pengutronix.de Signed-off-by: Lucas Stach l.stach@pengutronix.de
drivers/gpu/drm/panel/panel-simple.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c index dc6a923c89d7..7196b940a928 100644 --- a/drivers/gpu/drm/panel/panel-simple.c +++ b/drivers/gpu/drm/panel/panel-simple.c @@ -713,7 +713,12 @@ static const struct display_timing hannstar_hsd070pww1_timing = { .hactive = { 1280, 1280, 1280 }, .hfront_porch = { 1, 1, 10 }, .hback_porch = { 1, 1, 10 },
- .hsync_len = { 52, 158, 661 },
- /*
* According to the data sheet, the minimum horizontal blanking interval* is 54 clocks (1 + 52 + 1), but tests with a Nitrogen6X have shown the* minimum working horizontal blanking interval to be 60 clocks.*/- .hsync_len = { 58, 158, 661 },
58 != 60, so which one is the truth here?
Thierry