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Sun, 08 Oct 2023 11:19:15 +0800 Received: from mtkmbs13n2.mediatek.inc (172.21.101.108) by mtkmbs10n2.mediatek.inc (172.21.101.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Sun, 8 Oct 2023 11:19:13 +0800 Received: from mhfsdcap04.gcn.mediatek.inc (10.17.3.154) by mtkmbs13n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Sun, 8 Oct 2023 11:19:12 +0800 From: Yunfei Dong To: =?utf-8?q?N=C3=ADcolas_F_=2E_R_=2E_A_=2E_Prado?= , Nicolas Dufresne , Hans Verkuil , AngeloGioacchino Del Regno , Benjamin Gaignard , Nathan Hebert CC: Chen-Yu Tsai , Hsin-Yi Wang , Fritz Koenig , Daniel Vetter , "Steve Cho" , Yunfei Dong , , , , , , Subject: [PATCH] media: mediatek: vcodec: using encoder device to alloc/free encoder memory Date: Sun, 8 Oct 2023 11:19:09 +0800 Message-ID: <20231008031909.32146-1-yunfei.dong@mediatek.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-TM-AS-Product-Ver: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-AS-Result: No-10--9.270600-8.000000 X-TMASE-MatchedRID: EvLd3cwGQhEtJMbDWD8p3hWCVBr+Ay98uoYFb0nRiqOCsBeCv8CM/Xf3 4BoKFzcHTg/jfa6b1OczYorSrzJ8m2MAzi+7d0chF6z9HGHKwNuIrmqDVyayv8lgi/vLS272INi phQlaWRN2ZsQ86ifK0L+R4Fk68cCxoXHg+KoW2Ubil2r2x2PwtYfsPVs/8Vw6Ydn5x3tXIpcota sKsNUdSeLzNWBegCW2xl8lw85EaVQLbigRnpKlKWxlRJiH4397GKedVHUXrT7KIf/D+oFxIU+rs 1+BI9BmqizkboPGhHnzIgp4i3lt2A== X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--9.270600-8.000000 X-TMASE-Version: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-SNTS-SMTP: 115D3AFDCB6F7F683D4B83FD3D6673B22C9D90B17C7C1E4CDDFDB2404A119D962000:8 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Need to use encoder device to allocate/free encoder memory when calling mtk_vcodec_mem_alloc/mtk_vcodec_mem_free, or leading to below crash log when test encoder with decoder device. pc : dma_alloc_attrs+0x44/0xf4 lr : mtk_vcodec_mem_alloc+0x50/0xa4 [mtk_vcodec_common] sp : ffffffc0209f3990 x29: ffffffc0209f39a0 x28: ffffff8024102a18 x27: 0000000000000000 x26: 0000000000000000 x25: ffffffc00c06e2d8 x24: 0000000000000001 x23: 0000000000000cc0 x22: 0000000000000010 x21: 0000000000000800 x20: ffffff8024102a18 x19: 0000000000000000 x18: 0000000000000000 x17: 0000000000000009 x16: ffffffe389736a98 x15: 0000000000000078 x14: ffffffe389704434 x13: 0000000000000007 x12: ffffffe38a2b2560 x11: 0000000000000800 x10: 0000000000000004 x9 : ffffffe331f07484 x8 : 5400e9aef2395000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000001 x4 : 0000000000000000 x3 : 0000000000000cc0 x2 : ffffff8024102a18 x1 : 0000000000000800 x0 : 0000000000000010 Call trace: dma_alloc_attrs+0x44/0xf4 mtk_vcodec_mem_alloc+0x50/0xa4 [mtk_vcodec_common 2819d3d601f3cd06c1f2213ac1b9995134441421] h264_enc_set_param+0x27c/0x378 [mtk_vcodec_enc 772cc3d26c254e8cf54079451ef8d930d2eb4404] venc_if_set_param+0x4c/0x7c [mtk_vcodec_enc 772cc3d26c254e8cf54079451ef8d930d2eb4404] vb2ops_venc_start_streaming+0x1bc/0x328 [mtk_vcodec_enc 772cc3d26c254e8cf54079451ef8d930d2eb4404] vb2_start_streaming+0x64/0x12c vb2_core_streamon+0x114/0x158 vb2_streamon+0x38/0x60 v4l2_m2m_streamon+0x48/0x88 v4l2_m2m_ioctl_streamon+0x20/0x2c v4l_streamon+0x2c/0x38 __video_do_ioctl+0x2c4/0x3dc video_usercopy+0x404/0x934 video_ioctl2+0x20/0x2c v4l2_ioctl+0x54/0x64 v4l2_compat_ioctl32+0x90/0xa34 __arm64_compat_sys_ioctl+0x128/0x13c invoke_syscall+0x4c/0x108 el0_svc_common+0x98/0x104 do_el0_svc_compat+0x28/0x34 el0_svc_compat+0x2c/0x74 el0t_32_sync_handler+0xa8/0xcc el0t_32_sync+0x194/0x198 Code: aa0003f6 aa0203f4 aa0103f5 f900 'Fixes: 01abf5fbb081c ("media: mediatek: vcodec: separate struct 'mtk_vcodec_ctx'")' Signed-off-by: Yunfei Dong --- .../mediatek/vcodec/common/mtk_vcodec_util.c | 66 ++++++++++++++++++- 1 file changed, 64 insertions(+), 2 deletions(-) diff --git a/drivers/media/platform/mediatek/vcodec/common/mtk_vcodec_util.c b/drivers/media/platform/mediatek/vcodec/common/mtk_vcodec_util.c index 908602031fd0..62bb7290c56d 100644 --- a/drivers/media/platform/mediatek/vcodec/common/mtk_vcodec_util.c +++ b/drivers/media/platform/mediatek/vcodec/common/mtk_vcodec_util.c @@ -45,7 +45,7 @@ int mtk_vcodec_write_vdecsys(struct mtk_vcodec_dec_ctx *ctx, unsigned int reg, } EXPORT_SYMBOL(mtk_vcodec_write_vdecsys); -int mtk_vcodec_mem_alloc(void *priv, struct mtk_vcodec_mem *mem) +static int mtk_vcodec_mem_dec_alloc(void *priv, struct mtk_vcodec_mem *mem) { unsigned long size = mem->size; struct mtk_vcodec_dec_ctx *ctx = priv; @@ -64,9 +64,39 @@ int mtk_vcodec_mem_alloc(void *priv, struct mtk_vcodec_mem *mem) return 0; } + +static int mtk_vcodec_mem_enc_alloc(void *priv, struct mtk_vcodec_mem *mem) +{ + unsigned long size = mem->size; + struct mtk_vcodec_enc_ctx *ctx = priv; + struct device *dev = &ctx->dev->plat_dev->dev; + + mem->va = dma_alloc_coherent(dev, size, &mem->dma_addr, GFP_KERNEL); + if (!mem->va) { + mtk_v4l2_venc_err(ctx, "%s dma_alloc size=%ld failed!", dev_name(dev), size); + return -ENOMEM; + } + + mtk_v4l2_venc_dbg(3, ctx, "[%d] - va = %p", ctx->id, mem->va); + mtk_v4l2_venc_dbg(3, ctx, "[%d] - dma = 0x%lx", ctx->id, + (unsigned long)mem->dma_addr); + mtk_v4l2_venc_dbg(3, ctx, "[%d] size = 0x%lx", ctx->id, size); + + return 0; +} + +int mtk_vcodec_mem_alloc(void *priv, struct mtk_vcodec_mem *mem) +{ + enum mtk_instance_type inst_type = *((unsigned int *)priv); + + if (inst_type == MTK_INST_ENCODER) + return mtk_vcodec_mem_enc_alloc(priv, mem); + else + return mtk_vcodec_mem_dec_alloc(priv, mem); +} EXPORT_SYMBOL(mtk_vcodec_mem_alloc); -void mtk_vcodec_mem_free(void *priv, struct mtk_vcodec_mem *mem) +static void mtk_vcodec_mem_dec_free(void *priv, struct mtk_vcodec_mem *mem) { unsigned long size = mem->size; struct mtk_vcodec_dec_ctx *ctx = priv; @@ -87,6 +117,38 @@ void mtk_vcodec_mem_free(void *priv, struct mtk_vcodec_mem *mem) mem->dma_addr = 0; mem->size = 0; } + +static void mtk_vcodec_mem_enc_free(void *priv, struct mtk_vcodec_mem *mem) +{ + unsigned long size = mem->size; + struct mtk_vcodec_enc_ctx *ctx = priv; + struct device *dev = &ctx->dev->plat_dev->dev; + + if (!mem->va) { + mtk_v4l2_venc_err(ctx, "%s dma_free size=%ld failed!", dev_name(dev), size); + return; + } + + mtk_v4l2_venc_dbg(3, ctx, "[%d] - va = %p", ctx->id, mem->va); + mtk_v4l2_venc_dbg(3, ctx, "[%d] - dma = 0x%lx", ctx->id, + (unsigned long)mem->dma_addr); + mtk_v4l2_venc_dbg(3, ctx, "[%d] size = 0x%lx", ctx->id, size); + + dma_free_coherent(dev, size, mem->va, mem->dma_addr); + mem->va = NULL; + mem->dma_addr = 0; + mem->size = 0; +} + +void mtk_vcodec_mem_free(void *priv, struct mtk_vcodec_mem *mem) +{ + enum mtk_instance_type inst_type = *((unsigned int *)priv); + + if (inst_type == MTK_INST_ENCODER) + mtk_vcodec_mem_enc_free(priv, mem); + else + mtk_vcodec_mem_dec_free(priv, mem); +} EXPORT_SYMBOL(mtk_vcodec_mem_free); void *mtk_vcodec_get_hw_dev(struct mtk_vcodec_dec_dev *dev, int hw_idx)