From: Thierry Reding <treding@xxxxxxxxxx>
Tegra114 and Tegra124 support reference picture marking, which will
cause BSEV to write picture marking data to SDRAM. Make sure there is
a valid destination address for that data to avoid error messages from
the memory controller.
Signed-off-by: Thierry Reding <treding@xxxxxxxxxx>
---
drivers/staging/media/tegra-vde/tegra-vde.c | 54 ++++++++++++++++++++-
drivers/staging/media/tegra-vde/uapi.h | 3 ++
2 files changed, 55 insertions(+), 2 deletions(-)
diff --git a/drivers/staging/media/tegra-vde/tegra-vde.c b/drivers/staging/media/tegra-vde/tegra-vde.c
index 9d8f833744db..3027b11b11ae 100644
--- a/drivers/staging/media/tegra-vde/tegra-vde.c
+++ b/drivers/staging/media/tegra-vde/tegra-vde.c
@@ -60,7 +60,12 @@ struct video_frame {
u32 flags;
};
+struct tegra_vde_soc {
+ bool supports_ref_pic_marking;
+};
+
struct tegra_vde {
+ const struct tegra_vde_soc *soc;
void __iomem *sxe;
void __iomem *bsev;
void __iomem *mbe;
@@ -330,6 +335,7 @@ static int tegra_vde_setup_hw_context(struct tegra_vde *vde,
struct video_frame *dpb_frames,
dma_addr_t bitstream_data_addr,
size_t bitstream_data_size,
+ dma_addr_t secure_addr,
unsigned int macroblocks_nb)
{
struct device *dev = vde->miscdev.parent;
@@ -454,6 +460,9 @@ static int tegra_vde_setup_hw_context(struct tegra_vde *vde,
VDE_WR(bitstream_data_addr, vde->sxe + 0x6C);
+ if (vde->soc->supports_ref_pic_marking)
+ VDE_WR(secure_addr, vde->sxe + 0x7c);
+
value = 0x10000005;
value |= ctx->pic_width_in_mbs << 11;
value |= ctx->pic_height_in_mbs << 3;
@@ -772,12 +781,15 @@ static int tegra_vde_ioctl_decode_h264(struct tegra_vde *vde,
struct tegra_vde_h264_frame __user *frames_user;
struct video_frame *dpb_frames;
struct dma_buf_attachment *bitstream_data_dmabuf_attachment;
- struct sg_table *bitstream_sgt;
+ struct dma_buf_attachment *secure_attachment = NULL;
+ struct sg_table *bitstream_sgt, *secure_sgt;
enum dma_data_direction dma_dir;
dma_addr_t bitstream_data_addr;
+ dma_addr_t secure_addr;
dma_addr_t bsev_ptr;
size_t lsize, csize;
size_t bitstream_data_size;
+ size_t secure_size;
unsigned int macroblocks_nb;
unsigned int read_bytes;
unsigned int cstride;
@@ -803,6 +815,18 @@ static int tegra_vde_ioctl_decode_h264(struct tegra_vde *vde,
if (ret)
return ret;
+ if (vde->soc->supports_ref_pic_marking) {
+ ret = tegra_vde_attach_dmabuf(dev, ctx.secure_fd,
+ ctx.secure_offset, 0, SZ_256,
+ &secure_attachment,
+ &secure_addr,
+ &secure_sgt,
+ &secure_size,
+ DMA_TO_DEVICE);
+ if (ret)
+ goto release_bitstream_dmabuf;
+ }
+
dpb_frames = kcalloc(ctx.dpb_frames_nb, sizeof(*dpb_frames),
GFP_KERNEL);
if (!dpb_frames) {
@@ -876,6 +900,7 @@ static int tegra_vde_ioctl_decode_h264(struct tegra_vde *vde,
ret = tegra_vde_setup_hw_context(vde, &ctx, dpb_frames,
bitstream_data_addr,
bitstream_data_size,
+ secure_addr,
macroblocks_nb);
if (ret)
goto put_runtime_pm;
@@ -929,6 +954,10 @@ static int tegra_vde_ioctl_decode_h264(struct tegra_vde *vde,
kfree(dpb_frames);
release_bitstream_dmabuf:
+ if (secure_attachment)
+ tegra_vde_detach_and_put_dmabuf(secure_attachment, secure_sgt,
+ DMA_TO_DEVICE);
+
tegra_vde_detach_and_put_dmabuf(bitstream_data_dmabuf_attachment,
bitstream_sgt, DMA_TO_DEVICE);
@@ -1029,6 +1058,8 @@ static int tegra_vde_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, vde);
+ vde->soc = of_device_get_match_data(&pdev->dev);
+
regs = platform_get_resource_byname(pdev, IORESOURCE_MEM, "sxe");
if (!regs)
return -ENODEV;
@@ -1258,8 +1289,27 @@ static const struct dev_pm_ops tegra_vde_pm_ops = {
tegra_vde_pm_resume)
};
+static const struct tegra_vde_soc tegra20_vde_soc = {
+ .supports_ref_pic_marking = false,
+};
+
+static const struct tegra_vde_soc tegra30_vde_soc = {
+ .supports_ref_pic_marking = false,
+};
+
+static const struct tegra_vde_soc tegra114_vde_soc = {
+ .supports_ref_pic_marking = true,
+};
+
+static const struct tegra_vde_soc tegra124_vde_soc = {
+ .supports_ref_pic_marking = true,
+};
+
static const struct of_device_id tegra_vde_of_match[] = {
- { .compatible = "nvidia,tegra20-vde", },
+ { .compatible = "nvidia,tegra124-vde", .data = &tegra124_vde_soc },
+ { .compatible = "nvidia,tegra114-vde", .data = &tegra114_vde_soc },
+ { .compatible = "nvidia,tegra30-vde", .data = &tegra30_vde_soc },
+ { .compatible = "nvidia,tegra20-vde", .data = &tegra20_vde_soc },
{ },
};
MODULE_DEVICE_TABLE(of, tegra_vde_of_match);
diff --git a/drivers/staging/media/tegra-vde/uapi.h b/drivers/staging/media/tegra-vde/uapi.h
index a50c7bcae057..58bfd56de55e 100644
--- a/drivers/staging/media/tegra-vde/uapi.h
+++ b/drivers/staging/media/tegra-vde/uapi.h
@@ -35,6 +35,9 @@ struct tegra_vde_h264_decoder_ctx {
__s32 bitstream_data_fd;
__u32 bitstream_data_offset;
+ __s32 secure_fd;
+ __u32 secure_offset;
+
__u64 dpb_frames_ptr;
__u8 dpb_frames_nb;
__u8 dpb_ref_frames_with_earlier_poc_nb;
--
2.17.0
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