From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3C720C47082 for ; Wed, 26 May 2021 12:46:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1F7FC60231 for ; Wed, 26 May 2021 12:46:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234219AbhEZMsN (ORCPT ); Wed, 26 May 2021 08:48:13 -0400 Received: from bhuna.collabora.co.uk ([46.235.227.227]:33014 "EHLO bhuna.collabora.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234731AbhEZMrC (ORCPT ); Wed, 26 May 2021 08:47:02 -0400 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: benjamin.gaignard) with ESMTPSA id 331A01F42C3B From: Benjamin Gaignard To: ezequiel@collabora.com, p.zabel@pengutronix.de, mchehab@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, festevam@gmail.com, gregkh@linuxfoundation.org, mripard@kernel.org, paul.kocialkowski@bootlin.com, wens@csie.org, jernej.skrabec@siol.net, emil.l.velikov@gmail.com, andrzej.p@collabora.com Cc: kernel@pengutronix.de, linux-imx@nxp.com, linux-media@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Benjamin Gaignard Subject: [PATCH v12 3/9] media: hantro: change hantro_codec_ops run prototype to return errors Date: Wed, 26 May 2021 14:45:10 +0200 Message-Id: <20210526124516.2039434-4-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210526124516.2039434-1-benjamin.gaignard@collabora.com> References: <20210526124516.2039434-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Change hantro_codec_ops run prototype from 'void' to 'int'. This allows the driver to cancel the job if an error occurs while configuring the hardware. Signed-off-by: Benjamin Gaignard Reviewed-by: Ezequiel Garcia --- drivers/staging/media/hantro/hantro_drv.c | 4 +++- .../staging/media/hantro/hantro_g1_h264_dec.c | 10 +++++++--- .../media/hantro/hantro_g1_mpeg2_dec.c | 4 +++- .../staging/media/hantro/hantro_g1_vp8_dec.c | 6 ++++-- .../staging/media/hantro/hantro_h1_jpeg_enc.c | 4 +++- drivers/staging/media/hantro/hantro_hw.h | 19 ++++++++++--------- .../media/hantro/rk3399_vpu_hw_jpeg_enc.c | 4 +++- .../media/hantro/rk3399_vpu_hw_mpeg2_dec.c | 4 +++- .../media/hantro/rk3399_vpu_hw_vp8_dec.c | 6 ++++-- 9 files changed, 40 insertions(+), 21 deletions(-) diff --git a/drivers/staging/media/hantro/hantro_drv.c b/drivers/staging/media/hantro/hantro_drv.c index 2f6b01c7a6a0..1f28cd2607d2 100644 --- a/drivers/staging/media/hantro/hantro_drv.c +++ b/drivers/staging/media/hantro/hantro_drv.c @@ -170,7 +170,9 @@ static void device_run(void *priv) v4l2_m2m_buf_copy_metadata(src, dst, true); - ctx->codec_ops->run(ctx); + if (ctx->codec_ops->run(ctx)) + goto err_cancel_job; + return; err_cancel_job: diff --git a/drivers/staging/media/hantro/hantro_g1_h264_dec.c b/drivers/staging/media/hantro/hantro_g1_h264_dec.c index 845bef73d218..5c792b7bcb79 100644 --- a/drivers/staging/media/hantro/hantro_g1_h264_dec.c +++ b/drivers/staging/media/hantro/hantro_g1_h264_dec.c @@ -273,13 +273,15 @@ static void set_buffers(struct hantro_ctx *ctx) vdpu_write_relaxed(vpu, ctx->h264_dec.priv.dma, G1_REG_ADDR_QTABLE); } -void hantro_g1_h264_dec_run(struct hantro_ctx *ctx) +int hantro_g1_h264_dec_run(struct hantro_ctx *ctx) { struct hantro_dev *vpu = ctx->dev; + int ret; /* Prepare the H264 decoder context. */ - if (hantro_h264_dec_prepare_run(ctx)) - return; + ret = hantro_h264_dec_prepare_run(ctx); + if (ret) + return ret; /* Configure hardware registers. */ set_params(ctx); @@ -301,4 +303,6 @@ void hantro_g1_h264_dec_run(struct hantro_ctx *ctx) G1_REG_CONFIG_DEC_CLK_GATE_E, G1_REG_CONFIG); vdpu_write(vpu, G1_REG_INTERRUPT_DEC_E, G1_REG_INTERRUPT); + + return 0; } diff --git a/drivers/staging/media/hantro/hantro_g1_mpeg2_dec.c b/drivers/staging/media/hantro/hantro_g1_mpeg2_dec.c index 6ee1a19d189b..9aea331e1a3c 100644 --- a/drivers/staging/media/hantro/hantro_g1_mpeg2_dec.c +++ b/drivers/staging/media/hantro/hantro_g1_mpeg2_dec.c @@ -145,7 +145,7 @@ hantro_g1_mpeg2_dec_set_buffers(struct hantro_dev *vpu, struct hantro_ctx *ctx, vdpu_write_relaxed(vpu, backward_addr, G1_REG_REFER3_BASE); } -void hantro_g1_mpeg2_dec_run(struct hantro_ctx *ctx) +int hantro_g1_mpeg2_dec_run(struct hantro_ctx *ctx) { struct hantro_dev *vpu = ctx->dev; struct vb2_v4l2_buffer *src_buf, *dst_buf; @@ -235,4 +235,6 @@ void hantro_g1_mpeg2_dec_run(struct hantro_ctx *ctx) hantro_end_prepare_run(ctx); vdpu_write(vpu, G1_REG_INTERRUPT_DEC_E, G1_REG_INTERRUPT); + + return 0; } diff --git a/drivers/staging/media/hantro/hantro_g1_vp8_dec.c b/drivers/staging/media/hantro/hantro_g1_vp8_dec.c index 57002ba70176..96622a7f8279 100644 --- a/drivers/staging/media/hantro/hantro_g1_vp8_dec.c +++ b/drivers/staging/media/hantro/hantro_g1_vp8_dec.c @@ -425,7 +425,7 @@ static void cfg_buffers(struct hantro_ctx *ctx, vdpu_write_relaxed(vpu, dst_dma, G1_REG_ADDR_DST); } -void hantro_g1_vp8_dec_run(struct hantro_ctx *ctx) +int hantro_g1_vp8_dec_run(struct hantro_ctx *ctx) { const struct v4l2_ctrl_vp8_frame *hdr; struct hantro_dev *vpu = ctx->dev; @@ -438,7 +438,7 @@ void hantro_g1_vp8_dec_run(struct hantro_ctx *ctx) hdr = hantro_get_ctrl(ctx, V4L2_CID_STATELESS_VP8_FRAME); if (WARN_ON(!hdr)) - return; + return -EINVAL; /* Reset segment_map buffer in keyframe */ if (V4L2_VP8_FRAME_IS_KEY_FRAME(hdr) && ctx->vp8_dec.segment_map.cpu) @@ -498,4 +498,6 @@ void hantro_g1_vp8_dec_run(struct hantro_ctx *ctx) hantro_end_prepare_run(ctx); vdpu_write(vpu, G1_REG_INTERRUPT_DEC_E, G1_REG_INTERRUPT); + + return 0; } diff --git a/drivers/staging/media/hantro/hantro_h1_jpeg_enc.c b/drivers/staging/media/hantro/hantro_h1_jpeg_enc.c index b88dc4ed06db..56cf261a8e95 100644 --- a/drivers/staging/media/hantro/hantro_h1_jpeg_enc.c +++ b/drivers/staging/media/hantro/hantro_h1_jpeg_enc.c @@ -88,7 +88,7 @@ hantro_h1_jpeg_enc_set_qtable(struct hantro_dev *vpu, } } -void hantro_h1_jpeg_enc_run(struct hantro_ctx *ctx) +int hantro_h1_jpeg_enc_run(struct hantro_ctx *ctx) { struct hantro_dev *vpu = ctx->dev; struct vb2_v4l2_buffer *src_buf, *dst_buf; @@ -136,6 +136,8 @@ void hantro_h1_jpeg_enc_run(struct hantro_ctx *ctx) hantro_end_prepare_run(ctx); vepu_write(vpu, reg, H1_REG_ENC_CTRL); + + return 0; } void hantro_jpeg_enc_done(struct hantro_ctx *ctx) diff --git a/drivers/staging/media/hantro/hantro_hw.h b/drivers/staging/media/hantro/hantro_hw.h index 3d8b53567f16..4b73c8011b25 100644 --- a/drivers/staging/media/hantro/hantro_hw.h +++ b/drivers/staging/media/hantro/hantro_hw.h @@ -133,14 +133,15 @@ struct hantro_postproc_ctx { * Optional and called from process context. * @run: Start single {en,de)coding job. Called from atomic context * to indicate that a pair of buffers is ready and the hardware - * should be programmed and started. + * should be programmed and started. Returns zero if OK, a + * negative value in error cases. * @done: Read back processing results and additional data from hardware. * @reset: Reset the hardware in case of a timeout. */ struct hantro_codec_ops { int (*init)(struct hantro_ctx *ctx); void (*exit)(struct hantro_ctx *ctx); - void (*run)(struct hantro_ctx *ctx); + int (*run)(struct hantro_ctx *ctx); void (*done)(struct hantro_ctx *ctx); void (*reset)(struct hantro_ctx *ctx); }; @@ -180,8 +181,8 @@ void hantro_end_prepare_run(struct hantro_ctx *ctx); irqreturn_t hantro_g1_irq(int irq, void *dev_id); void hantro_g1_reset(struct hantro_ctx *ctx); -void hantro_h1_jpeg_enc_run(struct hantro_ctx *ctx); -void rk3399_vpu_jpeg_enc_run(struct hantro_ctx *ctx); +int hantro_h1_jpeg_enc_run(struct hantro_ctx *ctx); +int rk3399_vpu_jpeg_enc_run(struct hantro_ctx *ctx); int hantro_jpeg_enc_init(struct hantro_ctx *ctx); void hantro_jpeg_enc_exit(struct hantro_ctx *ctx); void hantro_jpeg_enc_done(struct hantro_ctx *ctx); @@ -189,7 +190,7 @@ void hantro_jpeg_enc_done(struct hantro_ctx *ctx); dma_addr_t hantro_h264_get_ref_buf(struct hantro_ctx *ctx, unsigned int dpb_idx); int hantro_h264_dec_prepare_run(struct hantro_ctx *ctx); -void hantro_g1_h264_dec_run(struct hantro_ctx *ctx); +int hantro_g1_h264_dec_run(struct hantro_ctx *ctx); int hantro_h264_dec_init(struct hantro_ctx *ctx); void hantro_h264_dec_exit(struct hantro_ctx *ctx); @@ -220,15 +221,15 @@ hantro_h264_mv_size(unsigned int width, unsigned int height) return 64 * MB_WIDTH(width) * MB_WIDTH(height) + 32; } -void hantro_g1_mpeg2_dec_run(struct hantro_ctx *ctx); -void rk3399_vpu_mpeg2_dec_run(struct hantro_ctx *ctx); +int hantro_g1_mpeg2_dec_run(struct hantro_ctx *ctx); +int rk3399_vpu_mpeg2_dec_run(struct hantro_ctx *ctx); void hantro_mpeg2_dec_copy_qtable(u8 *qtable, const struct v4l2_ctrl_mpeg2_quantisation *ctrl); int hantro_mpeg2_dec_init(struct hantro_ctx *ctx); void hantro_mpeg2_dec_exit(struct hantro_ctx *ctx); -void hantro_g1_vp8_dec_run(struct hantro_ctx *ctx); -void rk3399_vpu_vp8_dec_run(struct hantro_ctx *ctx); +int hantro_g1_vp8_dec_run(struct hantro_ctx *ctx); +int rk3399_vpu_vp8_dec_run(struct hantro_ctx *ctx); int hantro_vp8_dec_init(struct hantro_ctx *ctx); void hantro_vp8_dec_exit(struct hantro_ctx *ctx); void hantro_vp8_prob_update(struct hantro_ctx *ctx, diff --git a/drivers/staging/media/hantro/rk3399_vpu_hw_jpeg_enc.c b/drivers/staging/media/hantro/rk3399_vpu_hw_jpeg_enc.c index 3498e6124acd..3a27ebef4f38 100644 --- a/drivers/staging/media/hantro/rk3399_vpu_hw_jpeg_enc.c +++ b/drivers/staging/media/hantro/rk3399_vpu_hw_jpeg_enc.c @@ -118,7 +118,7 @@ rk3399_vpu_jpeg_enc_set_qtable(struct hantro_dev *vpu, } } -void rk3399_vpu_jpeg_enc_run(struct hantro_ctx *ctx) +int rk3399_vpu_jpeg_enc_run(struct hantro_ctx *ctx) { struct hantro_dev *vpu = ctx->dev; struct vb2_v4l2_buffer *src_buf, *dst_buf; @@ -168,4 +168,6 @@ void rk3399_vpu_jpeg_enc_run(struct hantro_ctx *ctx) /* Kick the watchdog and start encoding */ hantro_end_prepare_run(ctx); vepu_write(vpu, reg, VEPU_REG_ENCODE_START); + + return 0; } diff --git a/drivers/staging/media/hantro/rk3399_vpu_hw_mpeg2_dec.c b/drivers/staging/media/hantro/rk3399_vpu_hw_mpeg2_dec.c index 2527dce7eb18..683982c24c2d 100644 --- a/drivers/staging/media/hantro/rk3399_vpu_hw_mpeg2_dec.c +++ b/drivers/staging/media/hantro/rk3399_vpu_hw_mpeg2_dec.c @@ -148,7 +148,7 @@ rk3399_vpu_mpeg2_dec_set_buffers(struct hantro_dev *vpu, vdpu_write_relaxed(vpu, backward_addr, VDPU_REG_REFER3_BASE); } -void rk3399_vpu_mpeg2_dec_run(struct hantro_ctx *ctx) +int rk3399_vpu_mpeg2_dec_run(struct hantro_ctx *ctx) { struct hantro_dev *vpu = ctx->dev; struct vb2_v4l2_buffer *src_buf, *dst_buf; @@ -244,4 +244,6 @@ void rk3399_vpu_mpeg2_dec_run(struct hantro_ctx *ctx) reg = vdpu_read(vpu, VDPU_SWREG(57)) | VDPU_REG_DEC_E(1); vdpu_write(vpu, reg, VDPU_SWREG(57)); + + return 0; } diff --git a/drivers/staging/media/hantro/rk3399_vpu_hw_vp8_dec.c b/drivers/staging/media/hantro/rk3399_vpu_hw_vp8_dec.c index 8661a3cc1e6b..e5d20fe5b007 100644 --- a/drivers/staging/media/hantro/rk3399_vpu_hw_vp8_dec.c +++ b/drivers/staging/media/hantro/rk3399_vpu_hw_vp8_dec.c @@ -503,7 +503,7 @@ static void cfg_buffers(struct hantro_ctx *ctx, vdpu_write_relaxed(vpu, dst_dma, VDPU_REG_ADDR_DST); } -void rk3399_vpu_vp8_dec_run(struct hantro_ctx *ctx) +int rk3399_vpu_vp8_dec_run(struct hantro_ctx *ctx) { const struct v4l2_ctrl_vp8_frame *hdr; struct hantro_dev *vpu = ctx->dev; @@ -516,7 +516,7 @@ void rk3399_vpu_vp8_dec_run(struct hantro_ctx *ctx) hdr = hantro_get_ctrl(ctx, V4L2_CID_STATELESS_VP8_FRAME); if (WARN_ON(!hdr)) - return; + return -EINVAL; /* Reset segment_map buffer in keyframe */ if (V4L2_VP8_FRAME_IS_KEY_FRAME(hdr) && ctx->vp8_dec.segment_map.cpu) @@ -589,4 +589,6 @@ void rk3399_vpu_vp8_dec_run(struct hantro_ctx *ctx) hantro_end_prepare_run(ctx); hantro_reg_write(vpu, &vp8_dec_start_dec, 1); + + return 0; } -- 2.25.1