From patchwork Wed Sep 28 14:49:25 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Archit Taneja X-Patchwork-Id: 7985 Received: from mail.tu-berlin.de ([130.149.7.33]) by www.linuxtv.org with esmtp (Exim 4.72) (envelope-from ) id 1R8vRj-0000uI-36; Wed, 28 Sep 2011 16:49:16 +0200 X-tubIT-Incoming-IP: 209.132.180.67 Received: from vger.kernel.org ([209.132.180.67]) by mail.tu-berlin.de (exim-4.75/mailfrontend-2) with esmtp id 1R8vRi-000604-Gd; Wed, 28 Sep 2011 16:49:14 +0200 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754555Ab1I1OtI (ORCPT + 5 others); Wed, 28 Sep 2011 10:49:08 -0400 Received: from comal.ext.ti.com ([198.47.26.152]:55804 "EHLO comal.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754554Ab1I1OtH (ORCPT ); Wed, 28 Sep 2011 10:49:07 -0400 Received: from dlep36.itg.ti.com ([157.170.170.91]) by comal.ext.ti.com (8.13.7/8.13.7) with ESMTP id p8SEn7W7008230 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Wed, 28 Sep 2011 09:49:07 -0500 Received: from dlep26.itg.ti.com (smtp-le.itg.ti.com [157.170.170.27]) by dlep36.itg.ti.com (8.13.8/8.13.8) with ESMTP id p8SEn6Mh007893; Wed, 28 Sep 2011 09:49:06 -0500 (CDT) Received: from DFLE71.ent.ti.com (localhost [127.0.0.1]) by dlep26.itg.ti.com (8.13.8/8.13.8) with ESMTP id p8SEn6se019112; Wed, 28 Sep 2011 09:49:06 -0500 (CDT) Received: from dlelxv24.itg.ti.com (172.17.1.199) by dfle71.ent.ti.com (128.247.5.62) with Microsoft SMTP Server id 14.1.323.3; Wed, 28 Sep 2011 09:49:06 -0500 Received: from legion.dal.design.ti.com (legion.dal.design.ti.com [128.247.22.53]) by dlelxv24.itg.ti.com (8.13.8/8.13.8) with ESMTP id p8SEn6HK021993; Wed, 28 Sep 2011 09:49:06 -0500 Received: from localhost (a0393947pc.apr.dhcp.ti.com [172.24.137.144]) by legion.dal.design.ti.com (8.11.7p1+Sun/8.11.7) with ESMTP id p8SEn3009931; Wed, 28 Sep 2011 09:49:03 -0500 (CDT) From: Archit Taneja To: CC: , , , , Archit Taneja Subject: [PATCH v4 2/5] OMAP_VOUT: CLEANUP: Remove redundant code from omap_vout_isr Date: Wed, 28 Sep 2011 20:19:25 +0530 Message-ID: <1317221368-3301-3-git-send-email-archit@ti.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1317221368-3301-1-git-send-email-archit@ti.com> References: <1317221368-3301-1-git-send-email-archit@ti.com> MIME-Version: 1.0 Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-PMX-Version: 5.6.1.2065439, Antispam-Engine: 2.7.2.376379, Antispam-Data: 2011.9.28.143914 X-PMX-Spam: Gauge=IIIIIIII, Probability=8%, Report=' MULTIPLE_RCPTS 0.1, MSGID_ADDED_BY_MTA 0.05, BODY_SIZE_6000_6999 0, BODY_SIZE_7000_LESS 0, __ANY_URI 0, __CP_MEDIA_BODY 0, __CP_URI_IN_BODY 0, __CT 0, __CT_TEXT_PLAIN 0, __HAS_MSGID 0, __HAS_X_MAILER 0, __HAS_X_MAILING_LIST 0, __MIME_TEXT_ONLY 0, __MIME_VERSION 0, __MULTIPLE_RCPTS_CC_X2 0, __SANE_MSGID 0, __TO_MALFORMED_2 0, __TO_NO_NAME 0, __URI_NO_WWW 0, __URI_NS ' X-LSpam-Score: 1.0 (+) X-LSpam-Report: No, score=1.0 required=5.0 tests=BAYES_00=-1.9, KB_DATE_CONTAINS_TAB=2.751, RCVD_IN_DNSWL_MED=-2.3, TAB_IN_FROM=2.494 autolearn=no Currently, there is a lot of redundant code is between DPI and VENC panels, this can be made common by moving out field/interlace specific code to a separate function called omapvid_handle_interlace_display(). There is no functional change made. Signed-off-by: Archit Taneja Reviewed-by: Sumit Semwal Acked-by: Vaibhav Hiremath --- drivers/media/video/omap/omap_vout.c | 172 ++++++++++++++++------------------ 1 files changed, 82 insertions(+), 90 deletions(-) diff --git a/drivers/media/video/omap/omap_vout.c b/drivers/media/video/omap/omap_vout.c index e64a83c..247ea31 100644 --- a/drivers/media/video/omap/omap_vout.c +++ b/drivers/media/video/omap/omap_vout.c @@ -524,10 +524,50 @@ static int omapvid_apply_changes(struct omap_vout_device *vout) return 0; } +static int omapvid_handle_interlace_display(struct omap_vout_device *vout, + unsigned int irqstatus, struct timeval timevalue) +{ + u32 fid; + + if (vout->first_int) { + vout->first_int = 0; + goto err; + } + + if (irqstatus & DISPC_IRQ_EVSYNC_ODD) + fid = 1; + else if (irqstatus & DISPC_IRQ_EVSYNC_EVEN) + fid = 0; + else + goto err; + + vout->field_id ^= 1; + if (fid != vout->field_id) { + if (fid == 0) + vout->field_id = fid; + } else if (0 == fid) { + if (vout->cur_frm == vout->next_frm) + goto err; + + vout->cur_frm->ts = timevalue; + vout->cur_frm->state = VIDEOBUF_DONE; + wake_up_interruptible(&vout->cur_frm->done); + vout->cur_frm = vout->next_frm; + } else { + if (list_empty(&vout->dma_queue) || + (vout->cur_frm != vout->next_frm)) + goto err; + } + + return vout->field_id; +err: + return 0; +} + static void omap_vout_isr(void *arg, unsigned int irqstatus) { - int ret; - u32 addr, fid; + int ret, fid; + u32 addr; struct omap_overlay *ovl; struct timeval timevalue; struct omapvideo_info *ovid; @@ -548,107 +588,59 @@ static void omap_vout_isr(void *arg, unsigned int irqstatus) spin_lock(&vout->vbq_lock); do_gettimeofday(&timevalue); - if (cur_display->type != OMAP_DISPLAY_TYPE_VENC) { - switch (cur_display->type) { - case OMAP_DISPLAY_TYPE_DPI: - if (!(irqstatus & (DISPC_IRQ_VSYNC | DISPC_IRQ_VSYNC2))) - goto vout_isr_err; - break; - case OMAP_DISPLAY_TYPE_HDMI: - if (!(irqstatus & DISPC_IRQ_EVSYNC_EVEN)) - goto vout_isr_err; - break; - default: + switch (cur_display->type) { + case OMAP_DISPLAY_TYPE_DPI: + if (!(irqstatus & (DISPC_IRQ_VSYNC | DISPC_IRQ_VSYNC2))) goto vout_isr_err; - } - if (!vout->first_int && (vout->cur_frm != vout->next_frm)) { - vout->cur_frm->ts = timevalue; - vout->cur_frm->state = VIDEOBUF_DONE; - wake_up_interruptible(&vout->cur_frm->done); - vout->cur_frm = vout->next_frm; - } - vout->first_int = 0; - if (list_empty(&vout->dma_queue)) + break; + case OMAP_DISPLAY_TYPE_VENC: + fid = omapvid_handle_interlace_display(vout, irqstatus, + timevalue); + if (!fid) goto vout_isr_err; + break; + case OMAP_DISPLAY_TYPE_HDMI: + if (!(irqstatus & DISPC_IRQ_EVSYNC_EVEN)) + goto vout_isr_err; + break; + default: + goto vout_isr_err; + } - vout->next_frm = list_entry(vout->dma_queue.next, - struct videobuf_buffer, queue); - list_del(&vout->next_frm->queue); - - vout->next_frm->state = VIDEOBUF_ACTIVE; - - addr = (unsigned long) vout->queued_buf_addr[vout->next_frm->i] - + vout->cropped_offset; + if (!vout->first_int && (vout->cur_frm != vout->next_frm)) { + vout->cur_frm->ts = timevalue; + vout->cur_frm->state = VIDEOBUF_DONE; + wake_up_interruptible(&vout->cur_frm->done); + vout->cur_frm = vout->next_frm; + } - /* First save the configuration in ovelray structure */ - ret = omapvid_init(vout, addr); - if (ret) - printk(KERN_ERR VOUT_NAME - "failed to set overlay info\n"); - /* Enable the pipeline and set the Go bit */ - ret = omapvid_apply_changes(vout); - if (ret) - printk(KERN_ERR VOUT_NAME "failed to change mode\n"); - } else { + vout->first_int = 0; + if (list_empty(&vout->dma_queue)) + goto vout_isr_err; - if (vout->first_int) { - vout->first_int = 0; - goto vout_isr_err; - } - if (irqstatus & DISPC_IRQ_EVSYNC_ODD) - fid = 1; - else if (irqstatus & DISPC_IRQ_EVSYNC_EVEN) - fid = 0; - else - goto vout_isr_err; + vout->next_frm = list_entry(vout->dma_queue.next, + struct videobuf_buffer, queue); + list_del(&vout->next_frm->queue); - vout->field_id ^= 1; - if (fid != vout->field_id) { - if (0 == fid) - vout->field_id = fid; + vout->next_frm->state = VIDEOBUF_ACTIVE; - goto vout_isr_err; - } - if (0 == fid) { - if (vout->cur_frm == vout->next_frm) - goto vout_isr_err; - - vout->cur_frm->ts = timevalue; - vout->cur_frm->state = VIDEOBUF_DONE; - wake_up_interruptible(&vout->cur_frm->done); - vout->cur_frm = vout->next_frm; - } else if (1 == fid) { - if (list_empty(&vout->dma_queue) || - (vout->cur_frm != vout->next_frm)) - goto vout_isr_err; - - vout->next_frm = list_entry(vout->dma_queue.next, - struct videobuf_buffer, queue); - list_del(&vout->next_frm->queue); - - vout->next_frm->state = VIDEOBUF_ACTIVE; - addr = (unsigned long) - vout->queued_buf_addr[vout->next_frm->i] + - vout->cropped_offset; - /* First save the configuration in ovelray structure */ - ret = omapvid_init(vout, addr); - if (ret) - printk(KERN_ERR VOUT_NAME - "failed to set overlay info\n"); - /* Enable the pipeline and set the Go bit */ - ret = omapvid_apply_changes(vout); - if (ret) - printk(KERN_ERR VOUT_NAME - "failed to change mode\n"); - } + addr = (unsigned long) vout->queued_buf_addr[vout->next_frm->i] + + vout->cropped_offset; - } + /* First save the configuration in ovelray structure */ + ret = omapvid_init(vout, addr); + if (ret) + printk(KERN_ERR VOUT_NAME + "failed to set overlay info\n"); + /* Enable the pipeline and set the Go bit */ + ret = omapvid_apply_changes(vout); + if (ret) + printk(KERN_ERR VOUT_NAME "failed to change mode\n"); vout_isr_err: spin_unlock(&vout->vbq_lock); } - /* Video buffer call backs */ /*