diff options
| author | Tomasz Figa <tfiga@chromium.org> | 2018-11-21 09:37:59 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2018-12-03 22:29:14 +0300 |
| commit | 8b8130f0c76abb422b5fd98aba401cd97e0b88b9 (patch) | |
| tree | c9b3d265462f5bc7cf62aa007af93cdddfcfa6df /drivers/media/platform/mtk-vcodec | |
| parent | 25f5c34bc8bfabc7406d7c88b73cdf05023d31f7 (diff) | |
| download | linux-8b8130f0c76abb422b5fd98aba401cd97e0b88b9.tar.xz | |
media: mtk-vcodec: Remove VA from encoder frame buffers
The encoder driver has no need to do any CPU access to the source frame
buffers. Use a separate structure for holding DMA addresses and sizes
for those and remove, so we do not end up introducing any erroneous
dereferences of those VAs.
This fixes DMA-buf import from exporters that do not provide contiguous
kernel mappings, which includes the MTK DRM driver.
Signed-off-by: Tomasz Figa <tfiga@chromium.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'drivers/media/platform/mtk-vcodec')
| -rw-r--r-- | drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c | 6 | ||||
| -rw-r--r-- | drivers/media/platform/mtk-vcodec/mtk_vcodec_util.h | 5 | ||||
| -rw-r--r-- | drivers/media/platform/mtk-vcodec/venc_drv_if.h | 2 |
3 files changed, 7 insertions, 6 deletions
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c index 54631ad1c71e..d1f12257bf66 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c @@ -1087,7 +1087,6 @@ static void mtk_venc_worker(struct work_struct *work) src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx); memset(&frm_buf, 0, sizeof(frm_buf)); for (i = 0; i < src_buf->num_planes ; i++) { - frm_buf.fb_addr[i].va = vb2_plane_vaddr(src_buf, i); frm_buf.fb_addr[i].dma_addr = vb2_dma_contig_plane_dma_addr(src_buf, i); frm_buf.fb_addr[i].size = @@ -1098,14 +1097,11 @@ static void mtk_venc_worker(struct work_struct *work) bs_buf.size = (size_t)dst_buf->planes[0].length; mtk_v4l2_debug(2, - "Framebuf VA=%p PA=%llx Size=0x%zx;VA=%p PA=0x%llx Size=0x%zx;VA=%p PA=0x%llx Size=%zu", - frm_buf.fb_addr[0].va, + "Framebuf PA=%llx Size=0x%zx;PA=0x%llx Size=0x%zx;PA=0x%llx Size=%zu", (u64)frm_buf.fb_addr[0].dma_addr, frm_buf.fb_addr[0].size, - frm_buf.fb_addr[1].va, (u64)frm_buf.fb_addr[1].dma_addr, frm_buf.fb_addr[1].size, - frm_buf.fb_addr[2].va, (u64)frm_buf.fb_addr[2].dma_addr, frm_buf.fb_addr[2].size); diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.h index 06c254f5c171..9bf6e8d1b9c9 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.h +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.h @@ -25,6 +25,11 @@ struct mtk_vcodec_mem { dma_addr_t dma_addr; }; +struct mtk_vcodec_fb { + size_t size; + dma_addr_t dma_addr; +}; + struct mtk_vcodec_ctx; struct mtk_vcodec_dev; diff --git a/drivers/media/platform/mtk-vcodec/venc_drv_if.h b/drivers/media/platform/mtk-vcodec/venc_drv_if.h index a6e7d32e55cb..55ecda844894 100644 --- a/drivers/media/platform/mtk-vcodec/venc_drv_if.h +++ b/drivers/media/platform/mtk-vcodec/venc_drv_if.h @@ -106,7 +106,7 @@ struct venc_enc_param { * @fb_addr: plane frame buffer addresses */ struct venc_frm_buf { - struct mtk_vcodec_mem fb_addr[MTK_VCODEC_MAX_PLANES]; + struct mtk_vcodec_fb fb_addr[MTK_VCODEC_MAX_PLANES]; }; /* |