From patchwork Mon Apr 8 16:04:34 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Philipp Zabel X-Patchwork-Id: 2410241 Return-Path: X-Original-To: patchwork-dri-devel@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by patchwork2.kernel.org (Postfix) with ESMTP id 2EDB8DFB78 for ; Mon, 8 Apr 2013 16:31:32 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 026AFE5CEE for ; Mon, 8 Apr 2013 09:31:32 -0700 (PDT) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [92.198.50.35]) by gabe.freedesktop.org (Postfix) with ESMTP id 123DDE5BFB for ; Mon, 8 Apr 2013 09:25:15 -0700 (PDT) Received: from dude.hi.pengutronix.de ([10.1.0.7] helo=dude.pengutronix.de) by metis.ext.pengutronix.de with esmtp (Exim 4.72) (envelope-from ) id 1UPEYj-0001dQ-Ru; Mon, 08 Apr 2013 18:04:41 +0200 From: Philipp Zabel To: linux-arm-kernel@lists.infradead.org Subject: [PATCH 3/7] staging: drm/imx: ipu-di: add comments explaining signal generator configuration Date: Mon, 8 Apr 2013 18:04:34 +0200 Message-Id: <1365437078-22579-4-git-send-email-p.zabel@pengutronix.de> X-Mailer: git-send-email 1.8.2.rc2 In-Reply-To: <1365437078-22579-1-git-send-email-p.zabel@pengutronix.de> References: <1365437078-22579-1-git-send-email-p.zabel@pengutronix.de> X-SA-Exim-Connect-IP: 10.1.0.7 X-SA-Exim-Mail-From: p.zabel@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: dri-devel@lists.freedesktop.org Cc: Greg Kroah-Hartman , devicetree-discuss@lists.ozlabs.org, dri-devel@lists.freedesktop.org, kernel@pengutronix.de, Fabio Estevam X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: dri-devel-bounces+patchwork-dri-devel=patchwork.kernel.org@lists.freedesktop.org Errors-To: dri-devel-bounces+patchwork-dri-devel=patchwork.kernel.org@lists.freedesktop.org Signed-off-by: Philipp Zabel --- drivers/staging/imx-drm/ipu-v3/ipu-di.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/staging/imx-drm/ipu-v3/ipu-di.c b/drivers/staging/imx-drm/ipu-v3/ipu-di.c index ec340da..26534b7 100644 --- a/drivers/staging/imx-drm/ipu-v3/ipu-di.c +++ b/drivers/staging/imx-drm/ipu-v3/ipu-di.c @@ -413,9 +413,11 @@ static void ipu_di_sync_config_noninterlaced(struct ipu_di *di, sig->v_end_width; struct di_sync_config cfg[] = { { + /* 1: INT_HSYNC */ .run_count = h_total - 1, .run_src = DI_SYNC_CLK, } , { + /* PIN2: HSYNC */ .run_count = h_total - 1, .run_src = DI_SYNC_CLK, .offset_count = div * sig->v_to_h_sync, @@ -424,23 +426,28 @@ static void ipu_di_sync_config_noninterlaced(struct ipu_di *di, .cnt_polarity_trigger_src = DI_SYNC_CLK, .cnt_down = sig->h_sync_width * 2, } , { + /* PIN3: VSYNC */ .run_count = v_total - 1, .run_src = DI_SYNC_INT_HSYNC, .cnt_polarity_gen_en = 1, .cnt_polarity_trigger_src = DI_SYNC_INT_HSYNC, .cnt_down = sig->v_sync_width * 2, } , { + /* 4: Line Active */ .run_src = DI_SYNC_HSYNC, .offset_count = sig->v_sync_width + sig->v_start_width, .offset_src = DI_SYNC_HSYNC, .repeat_count = sig->height, .cnt_clr_src = DI_SYNC_VSYNC, } , { + /* 5: DE, referenced by DC */ .run_src = DI_SYNC_CLK, .offset_count = sig->h_sync_width + sig->h_start_width, .offset_src = DI_SYNC_CLK, .repeat_count = sig->width, - .cnt_clr_src = 5, + .cnt_clr_src = 5, /* Line Active */ + } , { + /* unused */ } , { /* unused */ } , {