6.6-stable review patch. If anyone has any objections, please let me know.
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From: Yunfei Dong yunfei.dong@mediatek.com
[ Upstream commit 56c0ac05a31a0bf525fddc300ea997356ad8146f ]
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 yunfei.dong@mediatek.com Reviewed-by: AngeloGioacchino Del Regno angelogioacchino@collabora.com Signed-off-by: Hans Verkuil hverkuil-cisco@xs4all.nl Signed-off-by: Sasha Levin sashal@kernel.org --- .../mediatek/vcodec/common/mtk_vcodec_util.c | 56 +++++++++++++------ 1 file changed, 40 insertions(+), 16 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 908602031fd0e..9ce34a3b5ee67 100644 --- a/drivers/media/platform/mediatek/vcodec/common/mtk_vcodec_util.c +++ b/drivers/media/platform/mediatek/vcodec/common/mtk_vcodec_util.c @@ -47,20 +47,32 @@ EXPORT_SYMBOL(mtk_vcodec_write_vdecsys);
int mtk_vcodec_mem_alloc(void *priv, struct mtk_vcodec_mem *mem) { + enum mtk_instance_type inst_type = *((unsigned int *)priv); + struct platform_device *plat_dev; unsigned long size = mem->size; - struct mtk_vcodec_dec_ctx *ctx = priv; - struct device *dev = &ctx->dev->plat_dev->dev; + int id;
- mem->va = dma_alloc_coherent(dev, size, &mem->dma_addr, GFP_KERNEL); + if (inst_type == MTK_INST_ENCODER) { + struct mtk_vcodec_enc_ctx *enc_ctx = priv; + + plat_dev = enc_ctx->dev->plat_dev; + id = enc_ctx->id; + } else { + struct mtk_vcodec_dec_ctx *dec_ctx = priv; + + plat_dev = dec_ctx->dev->plat_dev; + id = dec_ctx->id; + } + + mem->va = dma_alloc_coherent(&plat_dev->dev, size, &mem->dma_addr, GFP_KERNEL); if (!mem->va) { - mtk_v4l2_vdec_err(ctx, "%s dma_alloc size=%ld failed!", dev_name(dev), size); + mtk_v4l2_err(plat_dev, "%s dma_alloc size=%ld failed!", + dev_name(&plat_dev->dev), size); return -ENOMEM; }
- mtk_v4l2_vdec_dbg(3, ctx, "[%d] - va = %p", ctx->id, mem->va); - mtk_v4l2_vdec_dbg(3, ctx, "[%d] - dma = 0x%lx", ctx->id, - (unsigned long)mem->dma_addr); - mtk_v4l2_vdec_dbg(3, ctx, "[%d] size = 0x%lx", ctx->id, size); + mtk_v4l2_debug(plat_dev, 3, "[%d] - va = %p dma = 0x%lx size = 0x%lx", id, mem->va, + (unsigned long)mem->dma_addr, size);
return 0; } @@ -68,21 +80,33 @@ EXPORT_SYMBOL(mtk_vcodec_mem_alloc);
void mtk_vcodec_mem_free(void *priv, struct mtk_vcodec_mem *mem) { + enum mtk_instance_type inst_type = *((unsigned int *)priv); + struct platform_device *plat_dev; unsigned long size = mem->size; - struct mtk_vcodec_dec_ctx *ctx = priv; - struct device *dev = &ctx->dev->plat_dev->dev; + int id; + + if (inst_type == MTK_INST_ENCODER) { + struct mtk_vcodec_enc_ctx *enc_ctx = priv; + + plat_dev = enc_ctx->dev->plat_dev; + id = enc_ctx->id; + } else { + struct mtk_vcodec_dec_ctx *dec_ctx = priv; + + plat_dev = dec_ctx->dev->plat_dev; + id = dec_ctx->id; + }
if (!mem->va) { - mtk_v4l2_vdec_err(ctx, "%s dma_free size=%ld failed!", dev_name(dev), size); + mtk_v4l2_err(plat_dev, "%s dma_free size=%ld failed!", + dev_name(&plat_dev->dev), size); return; }
- mtk_v4l2_vdec_dbg(3, ctx, "[%d] - va = %p", ctx->id, mem->va); - mtk_v4l2_vdec_dbg(3, ctx, "[%d] - dma = 0x%lx", ctx->id, - (unsigned long)mem->dma_addr); - mtk_v4l2_vdec_dbg(3, ctx, "[%d] size = 0x%lx", ctx->id, size); + mtk_v4l2_debug(plat_dev, 3, "[%d] - va = %p dma = 0x%lx size = 0x%lx", id, mem->va, + (unsigned long)mem->dma_addr, size);
- dma_free_coherent(dev, size, mem->va, mem->dma_addr); + dma_free_coherent(&plat_dev->dev, size, mem->va, mem->dma_addr); mem->va = NULL; mem->dma_addr = 0; mem->size = 0;