[PATCH 5/8] media: hantro: hevc: Allow to produce 10-bit frames

Benjamin Gaignard
2021-06-04T13:07:09Z

If Hantro driver receive an 10-bit encoded bitstream allow it
to produce 10-bit frames.
Check that we are not try to produce 10-bit frames from a 8-bit
encoded bitstream.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
---
drivers/staging/media/hantro/hantro_drv.c | 18 ++++++++++++++++++
.../staging/media/hantro/hantro_g2_hevc_dec.c | 18 ++++++++++++++----
drivers/staging/media/hantro/hantro_hevc.c | 2 +-
drivers/staging/media/hantro/imx8m_vpu_hw.c | 4 ++++
4 files changed, 37 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/media/hantro/hantro_drv.c b/drivers/staging/media/hantro/hantro_drv.c
index 43feb14bbbba..5e6609fa4143 100644
--- a/drivers/staging/media/hantro/hantro_drv.c
+++ b/drivers/staging/media/hantro/hantro_drv.c
@@ -243,6 +243,16 @@ queue_init(void *priv, struct vb2_queue *src_vq, struct vb2_queue *dst_vq)
return vb2_queue_init(dst_vq);
}

+static bool hantro_is_10bit_dst_format(struct hantro_ctx *ctx)
+{
+ switch (ctx->vpu_dst_fmt->fourcc) {
+ case V4L2_PIX_FMT_P010:
+ return true;
+ default:
+ return false;
+ }
+}
+
static int hantro_try_ctrl(struct v4l2_ctrl *ctrl)
{
if (ctrl->id == V4L2_CID_STATELESS_H264_SPS) {
@@ -259,6 +269,10 @@ static int hantro_try_ctrl(struct v4l2_ctrl *ctrl)
return -EINVAL;
} else if (ctrl->id == V4L2_CID_MPEG_VIDEO_HEVC_SPS) {
const struct v4l2_ctrl_hevc_sps *sps = ctrl->p_new.p_hevc_sps;
+ struct hantro_ctx *ctx;
+
+ ctx = container_of(ctrl->handler,
+ struct hantro_ctx, ctrl_handler);

if (sps->bit_depth_luma_minus8 != sps->bit_depth_chroma_minus8)
/* Luma and chroma bit depth mismatch */
@@ -270,6 +284,10 @@ static int hantro_try_ctrl(struct v4l2_ctrl *ctrl)
if (sps->flags & V4L2_HEVC_SPS_FLAG_SCALING_LIST_ENABLED)
/* No scaling support */
return -EINVAL;
+ if (sps->bit_depth_luma_minus8 == 0 &&
+ hantro_is_10bit_dst_format(ctx)) {
+ return -EINVAL;
+ }
}
return 0;
}
diff --git a/drivers/staging/media/hantro/hantro_g2_hevc_dec.c b/drivers/staging/media/hantro/hantro_g2_hevc_dec.c
index df147b69a31f..b171b28ec24c 100644
--- a/drivers/staging/media/hantro/hantro_g2_hevc_dec.c
+++ b/drivers/staging/media/hantro/hantro_g2_hevc_dec.c
@@ -143,6 +143,16 @@ static bool is_8bit_dst_format(struct hantro_ctx *ctx)
}
}

+static int get_dst_format(struct hantro_ctx *ctx)
+{
+ switch (ctx->vpu_dst_fmt->fourcc) {
+ case V4L2_PIX_FMT_P010:
+ return 0x1;
+ default:
+ return 0x0;
+ }
+}
+
static void set_params(struct hantro_ctx *ctx)
{
const struct hantro_hevc_dec_ctrls *ctrls = &ctx->hevc_dec.ctrls;
@@ -158,8 +168,8 @@ static void set_params(struct hantro_ctx *ctx)
hantro_reg_write(vpu, &g2_bit_depth_y_minus8, sps->bit_depth_luma_minus8);
hantro_reg_write(vpu, &g2_bit_depth_c_minus8, sps->bit_depth_chroma_minus8);

- hantro_reg_write(vpu, &g2_output_8_bits, 1);
- hantro_reg_write(vpu, &g2_output_format, 0);
+ hantro_reg_write(vpu, &g2_output_8_bits, is_8bit_dst_format(ctx));
+ hantro_reg_write(vpu, &g2_output_format, get_dst_format(ctx));

hantro_reg_write(vpu, &g2_hdr_skip_length, ctrls->hevc_hdr_skip_length);

@@ -529,7 +539,7 @@ static size_t hantro_hevc_output_chroma_offset(struct hantro_ctx *ctx)
int bytes_per_pixel = is_8bit_dst_format(ctx) ? 1 : 2;

return sps->pic_width_in_luma_samples *
- sps->pic_height_in_luma_samples * bytes_per_pixel;
+ sps->pic_height_in_luma_samples * bytes_per_pixel;
}

static void set_buffers(struct hantro_ctx *ctx)
@@ -616,7 +626,7 @@ int hantro_g2_hevc_dec_run(struct hantro_ctx *ctx)
/* Compress buffers */
hantro_reg_write(vpu, &g2_ref_compress_bypass, 0);

- /* use NV12 as output format */
+ /* Use raster-scan as output format */
hantro_reg_write(vpu, &g2_out_rs_e, 1);

/* Bus width and max burst */
diff --git a/drivers/staging/media/hantro/hantro_hevc.c b/drivers/staging/media/hantro/hantro_hevc.c
index 1d44ea69c930..ae9827dd7086 100644
--- a/drivers/staging/media/hantro/hantro_hevc.c
+++ b/drivers/staging/media/hantro/hantro_hevc.c
@@ -25,7 +25,7 @@

#define UNUSED_REF -1

-#define G2_ALIGN 16
+#define G2_ALIGN 16

size_t hantro_hevc_chroma_offset(const struct v4l2_ctrl_hevc_sps *sps)
{
diff --git a/drivers/staging/media/hantro/imx8m_vpu_hw.c b/drivers/staging/media/hantro/imx8m_vpu_hw.c
index 7e9e24bb5057..b2e85512455b 100644
--- a/drivers/staging/media/hantro/imx8m_vpu_hw.c
+++ b/drivers/staging/media/hantro/imx8m_vpu_hw.c
@@ -136,6 +136,10 @@ static const struct hantro_fmt imx8m_vpu_g2_dec_fmts[] = {
.fourcc = V4L2_PIX_FMT_NV12,
.codec_mode = HANTRO_MODE_NONE,
},
+ {
+ .fourcc = V4L2_PIX_FMT_P010,
+ .codec_mode = HANTRO_MODE_NONE,
+ },
{
.fourcc = V4L2_PIX_FMT_HEVC_SLICE,
.codec_mode = HANTRO_MODE_HEVC_DEC,
--
2.25.1