Re: [PATCH v1 1/2] drm/panel: simple-panel: add the delay timing for Sharp LQ123P1JX31

From: Yakir Yang
Date: Thu Jul 21 2016 - 21:00:49 EST


Sean,

On 07/21/2016 10:30 PM, Sean Paul wrote:
On Thu, Jul 21, 2016 at 9:14 AM, Yakir Yang <ykk@xxxxxxxxxxxxxx> wrote:
According to page 16 of Sharp LQ123P1JX31 datasheet, we need to add the
missing delay timing. Panel prepare time should be t1 (0.5ms~10ms) plus
t3 (0ms~100ms), and panel enable time should equal to t7 (0ms~50ms), and
panel unprepare time should be t11 (1ms~50ms) plus t12 (500ms~).

Signed-off-by: Yakir Yang <ykk@xxxxxxxxxxxxxx>
Reviewed-by: Sean Paul <seanpaul@xxxxxxxxxxxx>

Thanks :-D

- Yakir

---
drivers/gpu/drm/panel/panel-simple.c | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index 85143d1..f178998 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -1384,6 +1384,11 @@ static const struct panel_desc sharp_lq123p1jx31 = {
.width = 259,
.height = 173,
},
+ .delay = {
+ .prepare = 110,
+ .enable = 50,
+ .unprepare = 550,
+ },
};

static const struct drm_display_mode shelly_sca07010_bfn_lnn_mode = {
--
1.9.1