From patchwork Sat Jan 25 17:14:38 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jean-Francois Moine X-Patchwork-Id: 3538391 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 398399F2E9 for ; Sat, 25 Jan 2014 17:57:58 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 84D0D2012B for ; Sat, 25 Jan 2014 17:57:53 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 3CB5220108 for ; Sat, 25 Jan 2014 17:57:52 +0000 (UTC) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1W76rP-0006PQ-Vo; Sat, 25 Jan 2014 17:17:37 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1W76qi-0004N1-NA; Sat, 25 Jan 2014 17:16:52 +0000 Received: from smtp3-g21.free.fr ([2a01:e0c:1:1599::12]) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1W76qE-0004GW-LX for linux-arm-kernel@lists.infradead.org; Sat, 25 Jan 2014 17:16:23 +0000 Received: from armhf (unknown [IPv6:2a01:e35:2f5c:9de0:212:bfff:fe1e:9ce4]) by smtp3-g21.free.fr (Postfix) with ESMTP id 20D07A6221; Sat, 25 Jan 2014 18:16:09 +0100 (CET) Date: Sat, 25 Jan 2014 18:14:38 +0100 From: Jean-Francois Moine To: dri-devel@lists.freedesktop.org Subject: [PATCH v4 14/24] drm/i2c: tda998x: always enable EDID read IRQ Message-ID: <20140125181438.70217759@armhf> In-Reply-To: References: X-Mailer: Claws Mail 3.9.3 (GTK+ 2.24.22; arm-unknown-linux-gnueabihf) MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140125_121623_308402_78FC359D X-CRM114-Status: GOOD ( 10.77 ) X-Spam-Score: -1.9 (-) Cc: Russell King - ARM Linux , Rob Clark , Dave Airlie , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.7 required=5.0 tests=BAYES_00,FREEMAIL_FROM, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP There is no need to enable/disable EDID read IRQ at each EDID block read. This patch enables the IRQ at init time. Signed-off-by: Jean-Francois Moine --- drivers/gpu/drm/i2c/tda998x_drv.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/i2c/tda998x_drv.c b/drivers/gpu/drm/i2c/tda998x_drv.c index 0231e44..967f9ce 100644 --- a/drivers/gpu/drm/i2c/tda998x_drv.c +++ b/drivers/gpu/drm/i2c/tda998x_drv.c @@ -977,9 +977,6 @@ read_edid_block(struct drm_encoder *encoder, uint8_t *buf, int blk) uint8_t offset, segptr; int ret, i; - /* enable EDID read irq: */ - reg_set(priv, REG_INT_FLAGS_2, INT_FLAGS_2_EDID_BLK_RD); - offset = (blk & 1) ? 128 : 0; segptr = blk / 2; @@ -1014,8 +1011,6 @@ read_edid_block(struct drm_encoder *encoder, uint8_t *buf, int blk) return ret; } - reg_clear(priv, REG_INT_FLAGS_2, INT_FLAGS_2_EDID_BLK_RD); - return 0; } @@ -1234,6 +1229,9 @@ tda998x_encoder_init(struct i2c_client *client, cec_write(priv, REG_CEC_FRO_IM_CLK_CTRL, CEC_FRO_IM_CLK_CTRL_GHOST_DIS | CEC_FRO_IM_CLK_CTRL_IMCLK_SEL); + /* enable EDID read irq: */ + reg_set(priv, REG_INT_FLAGS_2, INT_FLAGS_2_EDID_BLK_RD); + if (!np) return 0; /* non-DT */