From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yakir Yang Subject: [PATCH v2 1/3] drm/panel: simple-panel: add the delay timing for Sharp LQ123P1JX31 Date: Fri, 22 Jul 2016 09:42:30 +0800 Message-ID: <1469151750-7130-1-git-send-email-ykk@rock-chips.com> Return-path: Sender: linux-samsung-soc-owner@vger.kernel.org To: Mark Yao , Inki Dae , Thierry Reding , Heiko Stuebner Cc: Jingoo Han , Javier Martinez Canillas , =?UTF-8?q?St=C3=A9phane=20Marchesin?= , Sean Paul , Tomasz Figa , dianders@chromium.org, David Airlie , daniel.vetter@ffwll.ch, Krzysztof Kozlowski , emil.l.velikov@gmail.com, Yakir Yang , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-samsung-soc@vger.kernel.org, linux-rockchip@lists.infradead.org List-Id: linux-rockchip.vger.kernel.org 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 Reviewed-by: Sean Paul --- Changes in v2: - Add the reviewed tag from Sean. 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