From patchwork Tue Jul 17 20:35:52 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kieran Bingham X-Patchwork-Id: 10530611 X-Patchwork-Delegate: geert@linux-m68k.org Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id E485A60247 for ; Tue, 17 Jul 2018 20:36:10 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D3AED295EA for ; Tue, 17 Jul 2018 20:36:10 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id C7C9129654; Tue, 17 Jul 2018 20:36:10 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00, MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 17660295EA for ; Tue, 17 Jul 2018 20:36:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730301AbeGQVK3 (ORCPT ); Tue, 17 Jul 2018 17:10:29 -0400 Received: from perceval.ideasonboard.com ([213.167.242.64]:57494 "EHLO perceval.ideasonboard.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730180AbeGQVK3 (ORCPT ); Tue, 17 Jul 2018 17:10:29 -0400 Received: from localhost.localdomain (cpc89242-aztw30-2-0-cust488.18-1.cable.virginm.net [86.31.129.233]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 096702D09; Tue, 17 Jul 2018 22:36:02 +0200 (CEST) From: Kieran Bingham To: Laurent Pinchart , Kieran Bingham Cc: linux-renesas-soc@vger.kernel.org, linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org, Kieran Bingham Subject: [PATCH v5 10/11] media: vsp1: Support Interlaced display pipelines Date: Tue, 17 Jul 2018 21:35:52 +0100 Message-Id: <6d3afb327daf3941c84db9e16a4d7b3ba4faedf6.1531857988.git-series.kieran.bingham+renesas@ideasonboard.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: References: In-Reply-To: References: Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Kieran Bingham Calculate the top and bottom fields for the interlaced frames and utilise the extended display list command feature to implement the auto-field operations. This allows the DU to update the VSP2 registers dynamically based upon the currently processing field. Signed-off-by: Kieran Bingham --- v2: - fix erroneous BIT value which enabled interlaced - fix field handling at frame_end interrupt v3: - Pass DL through partition calls to allow autocmd's to be retrieved - Document interlaced field in struct vsp1_du_atomic_config v5: - Obtain autofld cmd in vsp1_rpf_configure_autofld() - Move VSP1_DL_EXT_AUTOFLD_INT to vsp1_regs.h - Rename VSP1_DL_EXT_AUTOFLD_INT -> VI6_DL_EXT_AUTOFLD_INT - move interlaced configuration parameter to pipe object - autofld: Set cmd->flags in one single expression. drivers/media/platform/vsp1/vsp1_dl.c | 10 ++++- drivers/media/platform/vsp1/vsp1_drm.c | 16 +++++- drivers/media/platform/vsp1/vsp1_pipe.h | 2 +- drivers/media/platform/vsp1/vsp1_regs.h | 3 +- drivers/media/platform/vsp1/vsp1_rpf.c | 72 ++++++++++++++++++++++++-- include/media/vsp1.h | 2 +- 6 files changed, 100 insertions(+), 5 deletions(-) diff --git a/drivers/media/platform/vsp1/vsp1_dl.c b/drivers/media/platform/vsp1/vsp1_dl.c index d5b3c24d160c..4963acac73f8 100644 --- a/drivers/media/platform/vsp1/vsp1_dl.c +++ b/drivers/media/platform/vsp1/vsp1_dl.c @@ -946,6 +946,8 @@ void vsp1_dl_list_commit(struct vsp1_dl_list *dl, bool internal) */ unsigned int vsp1_dlm_irq_frame_end(struct vsp1_dl_manager *dlm) { + struct vsp1_device *vsp1 = dlm->vsp1; + u32 status = vsp1_read(vsp1, VI6_STATUS); unsigned int flags = 0; spin_lock(&dlm->lock); @@ -971,6 +973,14 @@ unsigned int vsp1_dlm_irq_frame_end(struct vsp1_dl_manager *dlm) goto done; /* + * Progressive streams report only TOP fields. If we have a BOTTOM + * field, we are interlaced, and expect the frame to complete on the + * next frame end interrupt. + */ + if (status & VI6_STATUS_FLD_STD(dlm->index)) + goto done; + + /* * The device starts processing the queued display list right after the * frame end interrupt. The display list thus becomes active. */ diff --git a/drivers/media/platform/vsp1/vsp1_drm.c b/drivers/media/platform/vsp1/vsp1_drm.c index a16856856789..efdc9a676728 100644 --- a/drivers/media/platform/vsp1/vsp1_drm.c +++ b/drivers/media/platform/vsp1/vsp1_drm.c @@ -671,8 +671,20 @@ int vsp1_du_setup_lif(struct device *dev, unsigned int pipe_index, drm_pipe->width = cfg->width; drm_pipe->height = cfg->height; - dev_dbg(vsp1->dev, "%s: configuring LIF%u with format %ux%u\n", - __func__, pipe_index, cfg->width, cfg->height); + if (cfg->interlaced && !vsp1_feature(vsp1, VSP1_HAS_EXT_DL)) { + /* + * Interlaced support requires extended display lists to + * provide the auto-fld feature with the DU. + */ + dev_dbg(vsp1->dev, "Interlaced unsupported on this pipeline\n"); + return -EINVAL; + } + + pipe->interlaced = cfg->interlaced; + + dev_dbg(vsp1->dev, "%s: configuring LIF%u with format %ux%u%s\n", + __func__, pipe_index, cfg->width, cfg->height, + pipe->interlaced ? "i" : ""); mutex_lock(&vsp1->drm->lock); diff --git a/drivers/media/platform/vsp1/vsp1_pipe.h b/drivers/media/platform/vsp1/vsp1_pipe.h index 743d8f0db45c..ae646c9ef337 100644 --- a/drivers/media/platform/vsp1/vsp1_pipe.h +++ b/drivers/media/platform/vsp1/vsp1_pipe.h @@ -104,6 +104,7 @@ struct vsp1_partition { * @entities: list of entities in the pipeline * @stream_config: cached stream configuration for video pipelines * @configured: when false the @stream_config shall be written to the hardware + * @interlaced: True when the pipeline is configured in interlaced mode * @partitions: The number of partitions used to process one frame * @partition: The current partition for configuration to process * @part_table: The pre-calculated partitions used by the pipeline @@ -142,6 +143,7 @@ struct vsp1_pipeline { struct vsp1_dl_body *stream_config; bool configured; + bool interlaced; unsigned int partitions; struct vsp1_partition *partition; diff --git a/drivers/media/platform/vsp1/vsp1_regs.h b/drivers/media/platform/vsp1/vsp1_regs.h index 5ea9f9070cf3..3738ff2f7b85 100644 --- a/drivers/media/platform/vsp1/vsp1_regs.h +++ b/drivers/media/platform/vsp1/vsp1_regs.h @@ -28,6 +28,7 @@ #define VI6_SRESET_SRTS(n) (1 << (n)) #define VI6_STATUS 0x0038 +#define VI6_STATUS_FLD_STD(n) (1 << ((n) + 28)) #define VI6_STATUS_SYS_ACT(n) (1 << ((n) + 8)) #define VI6_WPF_IRQ_ENB(n) (0x0048 + (n) * 12) @@ -80,6 +81,8 @@ #define VI6_DL_EXT_CTRL_EXPRI (1 << 4) #define VI6_DL_EXT_CTRL_EXT (1 << 0) +#define VI6_DL_EXT_AUTOFLD_INT BIT(0) + #define VI6_DL_BODY_SIZE 0x0120 #define VI6_DL_BODY_SIZE_UPD (1 << 24) #define VI6_DL_BODY_SIZE_BS_MASK (0x1ffff << 0) diff --git a/drivers/media/platform/vsp1/vsp1_rpf.c b/drivers/media/platform/vsp1/vsp1_rpf.c index 69e5fe6e6b50..c728c193e09c 100644 --- a/drivers/media/platform/vsp1/vsp1_rpf.c +++ b/drivers/media/platform/vsp1/vsp1_rpf.c @@ -20,6 +20,18 @@ #define RPF_MAX_WIDTH 8190 #define RPF_MAX_HEIGHT 8190 +/* Pre extended display list command data structure. */ +struct vsp1_extcmd_auto_fld_body { + u32 top_y0; + u32 bottom_y0; + u32 top_c0; + u32 bottom_c0; + u32 top_c1; + u32 bottom_c1; + u32 reserved0; + u32 reserved1; +}; + /* ----------------------------------------------------------------------------- * Device Access */ @@ -64,6 +76,14 @@ static void rpf_configure_stream(struct vsp1_entity *entity, pstride |= format->plane_fmt[1].bytesperline << VI6_RPF_SRCM_PSTRIDE_C_SHIFT; + /* + * pstride has both STRIDE_Y and STRIDE_C, but multiplying the whole + * of pstride by 2 is conveniently OK here as we are multiplying both + * values. + */ + if (pipe->interlaced) + pstride *= 2; + vsp1_rpf_write(rpf, dlb, VI6_RPF_SRCM_PSTRIDE, pstride); /* Format */ @@ -100,6 +120,9 @@ static void rpf_configure_stream(struct vsp1_entity *entity, top = compose->top; } + if (pipe->interlaced) + top /= 2; + vsp1_rpf_write(rpf, dlb, VI6_RPF_LOC, (left << VI6_RPF_LOC_HCOORD_SHIFT) | (top << VI6_RPF_LOC_VCOORD_SHIFT)); @@ -169,6 +192,36 @@ static void rpf_configure_stream(struct vsp1_entity *entity, } +static void vsp1_rpf_configure_autofld(struct vsp1_rwpf *rpf, + struct vsp1_dl_list *dl) +{ + const struct v4l2_pix_format_mplane *format = &rpf->format; + struct vsp1_dl_ext_cmd *cmd; + struct vsp1_extcmd_auto_fld_body *auto_fld; + u32 offset_y, offset_c; + + cmd = vsp1_dl_get_pre_cmd(dl); + if (WARN_ONCE(!cmd, "Failed to obtain an autofld cmd")) + return; + + /* Re-index our auto_fld to match the current RPF. */ + auto_fld = cmd->data; + auto_fld = &auto_fld[rpf->entity.index]; + + auto_fld->top_y0 = rpf->mem.addr[0]; + auto_fld->top_c0 = rpf->mem.addr[1]; + auto_fld->top_c1 = rpf->mem.addr[2]; + + offset_y = format->plane_fmt[0].bytesperline; + offset_c = format->plane_fmt[1].bytesperline; + + auto_fld->bottom_y0 = rpf->mem.addr[0] + offset_y; + auto_fld->bottom_c0 = rpf->mem.addr[1] + offset_c; + auto_fld->bottom_c1 = rpf->mem.addr[2] + offset_c; + + cmd->flags |= VI6_DL_EXT_AUTOFLD_INT | BIT(16 + rpf->entity.index); +} + static void rpf_configure_frame(struct vsp1_entity *entity, struct vsp1_pipeline *pipe, struct vsp1_dl_list *dl, @@ -221,6 +274,11 @@ static void rpf_configure_partition(struct vsp1_entity *entity, crop.left += pipe->partition->rpf.left; } + if (pipe->interlaced) { + crop.height = round_down(crop.height / 2, fmtinfo->vsub); + crop.top = round_down(crop.top / 2, fmtinfo->vsub); + } + vsp1_rpf_write(rpf, dlb, VI6_RPF_SRC_BSIZE, (crop.width << VI6_RPF_SRC_BSIZE_BHSIZE_SHIFT) | (crop.height << VI6_RPF_SRC_BSIZE_BVSIZE_SHIFT)); @@ -249,9 +307,17 @@ static void rpf_configure_partition(struct vsp1_entity *entity, fmtinfo->swap_uv) swap(mem.addr[1], mem.addr[2]); - vsp1_rpf_write(rpf, dlb, VI6_RPF_SRCM_ADDR_Y, mem.addr[0]); - vsp1_rpf_write(rpf, dlb, VI6_RPF_SRCM_ADDR_C0, mem.addr[1]); - vsp1_rpf_write(rpf, dlb, VI6_RPF_SRCM_ADDR_C1, mem.addr[2]); + /* + * Interlaced pipelines will use the extended pre-cmd to process + * SRCM_ADDR_{Y,C0,C1} + */ + if (pipe->interlaced) { + vsp1_rpf_configure_autofld(rpf, dl); + } else { + vsp1_rpf_write(rpf, dlb, VI6_RPF_SRCM_ADDR_Y, mem.addr[0]); + vsp1_rpf_write(rpf, dlb, VI6_RPF_SRCM_ADDR_C0, mem.addr[1]); + vsp1_rpf_write(rpf, dlb, VI6_RPF_SRCM_ADDR_C1, mem.addr[2]); + } } static void rpf_partition(struct vsp1_entity *entity, diff --git a/include/media/vsp1.h b/include/media/vsp1.h index 678c24de1ac6..3093b9cb9067 100644 --- a/include/media/vsp1.h +++ b/include/media/vsp1.h @@ -25,6 +25,7 @@ int vsp1_du_init(struct device *dev); * struct vsp1_du_lif_config - VSP LIF configuration * @width: output frame width * @height: output frame height + * @interlaced: true for interlaced pipelines * @callback: frame completion callback function (optional). When a callback * is provided, the VSP driver guarantees that it will be called once * and only once for each vsp1_du_atomic_flush() call. @@ -33,6 +34,7 @@ int vsp1_du_init(struct device *dev); struct vsp1_du_lif_config { unsigned int width; unsigned int height; + bool interlaced; void (*callback)(void *data, bool completed, u32 crc); void *callback_data;