From mboxrd@z Thu Jan 1 00:00:00 1970 From: YT Shen Subject: [PATCH v13 10/12] drm/mediatek: add non-continuous clock mode and EOT packet control Date: Fri, 31 Mar 2017 19:30:37 +0800 Message-ID: <1490959839-39816-11-git-send-email-yt.shen@mediatek.com> References: <1490959839-39816-1-git-send-email-yt.shen@mediatek.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1490959839-39816-1-git-send-email-yt.shen@mediatek.com> Sender: linux-kernel-owner@vger.kernel.org To: CK Hu , Philipp Zabel Cc: David Airlie , Rob Herring , Mark Rutland , Matthias Brugger , dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, srv_heupstream@mediatek.com, yingjoe.chen@mediatek.com, emil.l.velikov@gmail.com, thierry.reding@gmail.com, Daniel Kurtz , YT Shen , shaoming chen List-Id: devicetree@vger.kernel.org This patch will update dsi clock control method. 1. dsi non-continue clock mode will enhance antistatic effect for panel 2. EOT packet control will judge whether dsi send end of packet or not by customize Signed-off-by: shaoming chen Signed-off-by: YT Shen Acked-by: CK Hu --- drivers/gpu/drm/mediatek/mtk_dsi.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c index 2e2cc3a..09528e2 100644 --- a/drivers/gpu/drm/mediatek/mtk_dsi.c +++ b/drivers/gpu/drm/mediatek/mtk_dsi.c @@ -431,6 +431,9 @@ static void mtk_dsi_rxtx_control(struct mtk_dsi *dsi) break; } + tmp_reg |= (dsi->mode_flags & MIPI_DSI_CLOCK_NON_CONTINUOUS) << 6; + tmp_reg |= (dsi->mode_flags & MIPI_DSI_MODE_EOT_PACKET) >> 3; + writel(tmp_reg, dsi->regs + DSI_TXRX_CTRL); } -- 1.9.1