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[109.252.138.165]) by smtp.gmail.com with ESMTPSA id t13sm1515599lfl.94.2022.02.07.06.20.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Feb 2022 06:20:23 -0800 (PST) From: Dmitry Osipenko To: Thierry Reding , Jonathan Hunter , Mauro Carvalho Chehab , Hans Verkuil , Nicolas Dufresne , Ezequiel Garcia Cc: linux-media@vger.kernel.org, linux-staging@lists.linux.dev, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 4/4] media: staging: tegra-vde: Remove legacy UAPI support Date: Mon, 7 Feb 2022 17:19:37 +0300 Message-Id: <20220207141937.13089-5-digetx@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220207141937.13089-1-digetx@gmail.com> References: <20220207141937.13089-1-digetx@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org The legacy UAPI became unnecessary with the V4L stateless decoder API support addition to the Tegra decoder driver. Remove legacy UAPI support. Signed-off-by: Dmitry Osipenko --- .../staging/media/tegra-vde/dmabuf-cache.c | 2 +- drivers/staging/media/tegra-vde/h264.c | 61 ++-- drivers/staging/media/tegra-vde/iommu.c | 2 +- drivers/staging/media/tegra-vde/uapi.h | 73 ----- drivers/staging/media/tegra-vde/vde.c | 283 +----------------- drivers/staging/media/tegra-vde/vde.h | 11 - 6 files changed, 35 insertions(+), 397 deletions(-) delete mode 100644 drivers/staging/media/tegra-vde/uapi.h diff --git a/drivers/staging/media/tegra-vde/dmabuf-cache.c b/drivers/staging/media/tegra-vde/dmabuf-cache.c index a98d03419b8f..69c346148070 100644 --- a/drivers/staging/media/tegra-vde/dmabuf-cache.c +++ b/drivers/staging/media/tegra-vde/dmabuf-cache.c @@ -66,9 +66,9 @@ int tegra_vde_dmabuf_cache_map(struct tegra_vde *vde, struct dma_buf_attachment **ap, dma_addr_t *addrp) { - struct device *dev = vde->miscdev.parent; struct dma_buf_attachment *attachment; struct tegra_vde_cache_entry *entry; + struct device *dev = vde->dev; struct sg_table *sgt; struct iova *iova; int err; diff --git a/drivers/staging/media/tegra-vde/h264.c b/drivers/staging/media/tegra-vde/h264.c index cbf27f0cfdb1..a46c648a26c6 100644 --- a/drivers/staging/media/tegra-vde/h264.c +++ b/drivers/staging/media/tegra-vde/h264.c @@ -14,9 +14,36 @@ #include #include "trace.h" -#include "uapi.h" #include "vde.h" +#define FLAG_B_FRAME 0x1 +#define FLAG_REFERENCE 0x2 + +struct tegra_vde_h264_frame { + unsigned int frame_num; + unsigned int flags; +}; + +struct tegra_vde_h264_decoder_ctx { + unsigned int dpb_frames_nb; + unsigned int dpb_ref_frames_with_earlier_poc_nb; + unsigned int baseline_profile; + unsigned int level_idc; + unsigned int log2_max_pic_order_cnt_lsb; + unsigned int log2_max_frame_num; + unsigned int pic_order_cnt_type; + unsigned int direct_8x8_inference_flag; + unsigned int pic_width_in_mbs; + unsigned int pic_height_in_mbs; + unsigned int pic_init_qp; + unsigned int deblocking_filter_control_present_flag; + unsigned int constrained_intra_pred_flag; + unsigned int chroma_qp_index_offset; + unsigned int pic_order_present_flag; + unsigned int num_ref_idx_l0_active_minus1; + unsigned int num_ref_idx_l1_active_minus1; +}; + struct h264_reflists { u8 p[V4L2_H264_NUM_DPB_ENTRIES]; u8 b0[V4L2_H264_NUM_DPB_ENTRIES]; @@ -438,19 +465,8 @@ static void tegra_vde_decode_frame(struct tegra_vde *vde, vde->sxe, 0x00); } -int tegra_vde_validate_h264_frame(struct device *dev, - struct tegra_vde_h264_frame *frame) -{ - if (frame->frame_num > 0x7FFFFF) { - dev_err(dev, "Bad frame_num %u\n", frame->frame_num); - return -EINVAL; - } - - return 0; -} - -int tegra_vde_validate_h264_ctx(struct device *dev, - struct tegra_vde_h264_decoder_ctx *ctx) +static int tegra_vde_validate_h264_ctx(struct device *dev, + struct tegra_vde_h264_decoder_ctx *ctx) { if (ctx->dpb_frames_nb == 0 || ctx->dpb_frames_nb > 17) { dev_err(dev, "Bad DPB size %u\n", ctx->dpb_frames_nb); @@ -637,23 +653,6 @@ static int tegra_vde_decode_end(struct tegra_vde *vde) return ret; } -int tegra_vde_decode_h264(struct tegra_vde *vde, - struct tegra_vde_h264_decoder_ctx *ctx, - struct tegra_video_frame *dpb_frames, - dma_addr_t bitstream_data_addr, - size_t bitstream_data_size) -{ - int err; - - err = tegra_vde_decode_begin(vde, ctx, dpb_frames, - bitstream_data_addr, - bitstream_data_size); - if (err) - return err; - - return tegra_vde_decode_end(vde); -} - static struct vb2_buffer *get_ref_buf(struct tegra_ctx *ctx, struct vb2_v4l2_buffer *dst, unsigned int dpb_idx) diff --git a/drivers/staging/media/tegra-vde/iommu.c b/drivers/staging/media/tegra-vde/iommu.c index adf8dc7ee25c..5521ed3e465f 100644 --- a/drivers/staging/media/tegra-vde/iommu.c +++ b/drivers/staging/media/tegra-vde/iommu.c @@ -60,7 +60,7 @@ void tegra_vde_iommu_unmap(struct tegra_vde *vde, struct iova *iova) int tegra_vde_iommu_init(struct tegra_vde *vde) { - struct device *dev = vde->miscdev.parent; + struct device *dev = vde->dev; struct iova *iova; unsigned long order; unsigned long shift; diff --git a/drivers/staging/media/tegra-vde/uapi.h b/drivers/staging/media/tegra-vde/uapi.h deleted file mode 100644 index ffb4983e5bb6..000000000000 --- a/drivers/staging/media/tegra-vde/uapi.h +++ /dev/null @@ -1,73 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0+ */ -/* Copyright (C) 2016-2017 Dmitry Osipenko */ -#ifndef _UAPI_TEGRA_VDE_H_ -#define _UAPI_TEGRA_VDE_H_ - -#include -#include - -#define FLAG_B_FRAME 0x1 -#define FLAG_REFERENCE 0x2 - -struct tegra_vde_h264_frame { - __s32 y_fd; - __s32 cb_fd; - __s32 cr_fd; - __s32 aux_fd; - __u32 y_offset; - __u32 cb_offset; - __u32 cr_offset; - __u32 aux_offset; - __u32 frame_num; - __u32 flags; - - // Must be zero'ed - __u32 reserved[6]; -}; - -struct tegra_vde_h264_decoder_ctx { - __s32 bitstream_data_fd; - __u32 bitstream_data_offset; - - __u64 dpb_frames_ptr; - __u32 dpb_frames_nb; - __u32 dpb_ref_frames_with_earlier_poc_nb; - - // SPS - __u32 baseline_profile; - __u32 level_idc; - __u32 log2_max_pic_order_cnt_lsb; - __u32 log2_max_frame_num; - __u32 pic_order_cnt_type; - __u32 direct_8x8_inference_flag; - __u32 pic_width_in_mbs; - __u32 pic_height_in_mbs; - - // PPS - __u32 pic_init_qp; - __u32 deblocking_filter_control_present_flag; - __u32 constrained_intra_pred_flag; - __u32 chroma_qp_index_offset; - __u32 pic_order_present_flag; - - // Slice header - __u32 num_ref_idx_l0_active_minus1; - __u32 num_ref_idx_l1_active_minus1; - - // Must be zero'ed - __u32 reserved[11]; -}; - -#define VDE_IOCTL_BASE ('v' + 0x20) - -#define VDE_IO(nr) _IO(VDE_IOCTL_BASE, nr) -#define VDE_IOR(nr, type) _IOR(VDE_IOCTL_BASE, nr, type) -#define VDE_IOW(nr, type) _IOW(VDE_IOCTL_BASE, nr, type) -#define VDE_IOWR(nr, type) _IOWR(VDE_IOCTL_BASE, nr, type) - -#define TEGRA_VDE_DECODE_H264 0x00 - -#define TEGRA_VDE_IOCTL_DECODE_H264 \ - VDE_IOW(TEGRA_VDE_DECODE_H264, struct tegra_vde_h264_decoder_ctx) - -#endif // _UAPI_TEGRA_VDE_H_ diff --git a/drivers/staging/media/tegra-vde/vde.c b/drivers/staging/media/tegra-vde/vde.c index c147d58c3bfb..f3e863a94c5a 100644 --- a/drivers/staging/media/tegra-vde/vde.c +++ b/drivers/staging/media/tegra-vde/vde.c @@ -11,7 +11,6 @@ #include #include #include -#include #include #include #include @@ -22,7 +21,6 @@ #include #include -#include "uapi.h" #include "vde.h" #define CREATE_TRACE_POINTS @@ -58,7 +56,7 @@ int tegra_vde_alloc_bo(struct tegra_vde *vde, enum dma_data_direction dma_dir, size_t size) { - struct device *dev = vde->miscdev.parent; + struct device *dev = vde->dev; struct tegra_vde_bo *bo; int err; @@ -129,7 +127,7 @@ int tegra_vde_alloc_bo(struct tegra_vde *vde, void tegra_vde_free_bo(struct tegra_vde_bo *bo) { struct tegra_vde *vde = bo->vde; - struct device *dev = vde->miscdev.parent; + struct device *dev = vde->dev; if (vde->domain) tegra_vde_iommu_unmap(vde, bo->iova); @@ -143,266 +141,6 @@ void tegra_vde_free_bo(struct tegra_vde_bo *bo) kfree(bo); } -static int tegra_vde_attach_dmabuf(struct tegra_vde *vde, - int fd, - unsigned long offset, - size_t min_size, - size_t align_size, - struct dma_buf_attachment **a, - dma_addr_t *addrp, - size_t *size, - enum dma_data_direction dma_dir) -{ - struct device *dev = vde->miscdev.parent; - struct dma_buf *dmabuf; - int err; - - dmabuf = dma_buf_get(fd); - if (IS_ERR(dmabuf)) { - dev_err(dev, "Invalid dmabuf FD\n"); - return PTR_ERR(dmabuf); - } - - if (dmabuf->size & (align_size - 1)) { - dev_err(dev, "Unaligned dmabuf 0x%zX, should be aligned to 0x%zX\n", - dmabuf->size, align_size); - return -EINVAL; - } - - if ((u64)offset + min_size > dmabuf->size) { - dev_err(dev, "Too small dmabuf size %zu @0x%lX, should be at least %zu\n", - dmabuf->size, offset, min_size); - return -EINVAL; - } - - err = tegra_vde_dmabuf_cache_map(vde, dmabuf, dma_dir, a, addrp); - if (err) - goto err_put; - - *addrp = *addrp + offset; - - if (size) - *size = dmabuf->size - offset; - - return 0; - -err_put: - dma_buf_put(dmabuf); - - return err; -} - -static int tegra_vde_attach_dmabufs_to_frame(struct tegra_vde *vde, - struct tegra_video_frame *frame, - struct tegra_vde_h264_frame *src, - enum dma_data_direction dma_dir, - bool baseline_profile, - size_t lsize, size_t csize) -{ - int err; - - err = tegra_vde_attach_dmabuf(vde, src->y_fd, - src->y_offset, lsize, SZ_256, - &frame->y_dmabuf_attachment, - &frame->y_addr, - NULL, dma_dir); - if (err) - return err; - - err = tegra_vde_attach_dmabuf(vde, src->cb_fd, - src->cb_offset, csize, SZ_256, - &frame->cb_dmabuf_attachment, - &frame->cb_addr, - NULL, dma_dir); - if (err) - goto err_release_y; - - err = tegra_vde_attach_dmabuf(vde, src->cr_fd, - src->cr_offset, csize, SZ_256, - &frame->cr_dmabuf_attachment, - &frame->cr_addr, - NULL, dma_dir); - if (err) - goto err_release_cb; - - if (baseline_profile) { - frame->aux_addr = 0x64DEAD00; - return 0; - } - - err = tegra_vde_attach_dmabuf(vde, src->aux_fd, - src->aux_offset, csize, SZ_256, - &frame->aux_dmabuf_attachment, - &frame->aux_addr, - NULL, dma_dir); - if (err) - goto err_release_cr; - - return 0; - -err_release_cr: - tegra_vde_dmabuf_cache_unmap(vde, frame->cr_dmabuf_attachment, true); -err_release_cb: - tegra_vde_dmabuf_cache_unmap(vde, frame->cb_dmabuf_attachment, true); -err_release_y: - tegra_vde_dmabuf_cache_unmap(vde, frame->y_dmabuf_attachment, true); - - return err; -} - -static void tegra_vde_release_frame_dmabufs(struct tegra_vde *vde, - struct tegra_video_frame *frame, - enum dma_data_direction dma_dir, - bool baseline_profile, - bool release) -{ - if (!baseline_profile) - tegra_vde_dmabuf_cache_unmap(vde, frame->aux_dmabuf_attachment, - release); - - tegra_vde_dmabuf_cache_unmap(vde, frame->cr_dmabuf_attachment, release); - tegra_vde_dmabuf_cache_unmap(vde, frame->cb_dmabuf_attachment, release); - tegra_vde_dmabuf_cache_unmap(vde, frame->y_dmabuf_attachment, release); -} - -static int tegra_vde_ioctl_decode_h264(struct tegra_vde *vde, - unsigned long vaddr) -{ - struct dma_buf_attachment *bitstream_data_dmabuf_attachment; - struct tegra_vde_h264_frame __user *frames_user; - size_t bitstream_data_size, lsize, csize; - struct device *dev = vde->miscdev.parent; - struct tegra_vde_h264_decoder_ctx ctx; - struct tegra_video_frame *dpb_frames; - struct tegra_vde_h264_frame *frames; - enum dma_data_direction dma_dir; - dma_addr_t bitstream_data_addr; - unsigned int macroblocks_nb; - unsigned int cstride; - unsigned int i; - int ret; - - if (copy_from_user(&ctx, (void __user *)vaddr, sizeof(ctx))) - return -EFAULT; - - ret = tegra_vde_validate_h264_ctx(dev, &ctx); - if (ret) - return ret; - - ret = tegra_vde_attach_dmabuf(vde, ctx.bitstream_data_fd, - ctx.bitstream_data_offset, - SZ_16K, SZ_16K, - &bitstream_data_dmabuf_attachment, - &bitstream_data_addr, - &bitstream_data_size, - DMA_TO_DEVICE); - if (ret) - return ret; - - frames = kmalloc_array(ctx.dpb_frames_nb, sizeof(*frames), GFP_KERNEL); - if (!frames) { - ret = -ENOMEM; - goto release_bitstream_dmabuf; - } - - dpb_frames = kcalloc(ctx.dpb_frames_nb, sizeof(*dpb_frames), - GFP_KERNEL); - if (!dpb_frames) { - ret = -ENOMEM; - goto free_frames; - } - - macroblocks_nb = ctx.pic_width_in_mbs * ctx.pic_height_in_mbs; - frames_user = u64_to_user_ptr(ctx.dpb_frames_ptr); - - if (copy_from_user(frames, frames_user, - ctx.dpb_frames_nb * sizeof(*frames))) { - ret = -EFAULT; - goto free_dpb_frames; - } - - cstride = ALIGN(ctx.pic_width_in_mbs * 8, 16); - csize = cstride * ctx.pic_height_in_mbs * 8; - lsize = macroblocks_nb * 256; - - for (i = 0; i < ctx.dpb_frames_nb; i++) { - ret = tegra_vde_validate_h264_frame(dev, &frames[i]); - if (ret) - goto release_dpb_frames; - - dpb_frames[i].flags = frames[i].flags; - dpb_frames[i].frame_num = frames[i].frame_num; - dpb_frames[i].luma_atoms_pitch = ctx.pic_width_in_mbs; - dpb_frames[i].chroma_atoms_pitch = cstride / VDE_ATOM; - - dma_dir = (i == 0) ? DMA_FROM_DEVICE : DMA_TO_DEVICE; - - ret = tegra_vde_attach_dmabufs_to_frame(vde, &dpb_frames[i], - &frames[i], dma_dir, - ctx.baseline_profile, - lsize, csize); - if (ret) - goto release_dpb_frames; - } - - ret = tegra_vde_decode_h264(vde, &ctx, dpb_frames, - bitstream_data_addr, bitstream_data_size); - -release_dpb_frames: - while (i--) { - dma_dir = (i == 0) ? DMA_FROM_DEVICE : DMA_TO_DEVICE; - - tegra_vde_release_frame_dmabufs(vde, &dpb_frames[i], dma_dir, - ctx.baseline_profile, ret != 0); - } - -free_dpb_frames: - kfree(dpb_frames); - -free_frames: - kfree(frames); - -release_bitstream_dmabuf: - tegra_vde_dmabuf_cache_unmap(vde, bitstream_data_dmabuf_attachment, - ret != 0); - - return ret; -} - -static long tegra_vde_unlocked_ioctl(struct file *filp, - unsigned int cmd, unsigned long arg) -{ - struct miscdevice *miscdev = filp->private_data; - struct tegra_vde *vde = container_of(miscdev, struct tegra_vde, - miscdev); - - switch (cmd) { - case TEGRA_VDE_IOCTL_DECODE_H264: - return tegra_vde_ioctl_decode_h264(vde, arg); - } - - dev_err(miscdev->parent, "Invalid IOCTL command %u\n", cmd); - - return -ENOTTY; -} - -static int tegra_vde_release_file(struct inode *inode, struct file *filp) -{ - struct miscdevice *miscdev = filp->private_data; - struct tegra_vde *vde = container_of(miscdev, struct tegra_vde, - miscdev); - - tegra_vde_dmabuf_cache_unmap_sync(vde); - - return 0; -} - -static const struct file_operations tegra_vde_fops = { - .owner = THIS_MODULE, - .unlocked_ioctl = tegra_vde_unlocked_ioctl, - .release = tegra_vde_release_file, -}; - static irqreturn_t tegra_vde_isr(int irq, void *data) { struct tegra_vde *vde = data; @@ -590,11 +328,6 @@ static int tegra_vde_probe(struct platform_device *pdev) mutex_init(&vde->lock); init_completion(&vde->decode_completion); - vde->miscdev.minor = MISC_DYNAMIC_MINOR; - vde->miscdev.name = "tegra_vde"; - vde->miscdev.fops = &tegra_vde_fops; - vde->miscdev.parent = dev; - err = tegra_vde_iommu_init(vde); if (err) { dev_err(dev, "Failed to initialize IOMMU: %d\n", err); @@ -622,22 +355,14 @@ static int tegra_vde_probe(struct platform_device *pdev) goto err_pm_runtime; } - err = misc_register(&vde->miscdev); - if (err) { - dev_err(dev, "Failed to register misc device: %d\n", err); - goto err_free_secure_bo; - } - err = tegra_vde_v4l2_init(vde); if (err) { dev_err(dev, "Failed to initialize V4L2: %d\n", err); - goto misc_unreg; + goto err_free_secure_bo; } return 0; -misc_unreg: - misc_deregister(&vde->miscdev); err_free_secure_bo: tegra_vde_free_bo(vde->secure_bo); err_pm_runtime: @@ -659,8 +384,6 @@ static int tegra_vde_remove(struct platform_device *pdev) struct device *dev = &pdev->dev; tegra_vde_v4l2_deinit(vde); - misc_deregister(&vde->miscdev); - tegra_vde_free_bo(vde->secure_bo); /* diff --git a/drivers/staging/media/tegra-vde/vde.h b/drivers/staging/media/tegra-vde/vde.h index e0396bb0b986..0fbb1f3d2c88 100644 --- a/drivers/staging/media/tegra-vde/vde.h +++ b/drivers/staging/media/tegra-vde/vde.h @@ -12,7 +12,6 @@ #include #include #include -#include #include #include #include @@ -107,7 +106,6 @@ struct tegra_vde { struct mutex lock; struct mutex map_lock; struct list_head map_list; - struct miscdevice miscdev; struct reset_control *rst; struct reset_control *rst_mc; struct gen_pool *iram_pool; @@ -183,15 +181,6 @@ u32 tegra_vde_readl(struct tegra_vde *vde, void __iomem *base, u32 offset); void tegra_vde_set_bits(struct tegra_vde *vde, u32 mask, void __iomem *base, u32 offset); -int tegra_vde_validate_h264_frame(struct device *dev, - struct tegra_vde_h264_frame *frame); -int tegra_vde_validate_h264_ctx(struct device *dev, - struct tegra_vde_h264_decoder_ctx *ctx); -int tegra_vde_decode_h264(struct tegra_vde *vde, - struct tegra_vde_h264_decoder_ctx *ctx, - struct tegra_video_frame *dpb_frames, - dma_addr_t bitstream_data_addr, - size_t bitstream_data_size); int tegra_vde_h264_decode_run(struct tegra_ctx *ctx); int tegra_vde_h264_decode_wait(struct tegra_ctx *ctx);