[Patch v3 10/15] media: s5p-mfc: Add support for UHD encoding.

aakarsh jain
2022-10-12T03:49:39Z

From: Smitha T Murthy <smitha.t@samsung.com>

MFC driver had restriction on max resolution of 1080p, updated it for
UHD. Added corresponding support to set recommended profile and level
for H264 in UHD scenario.

Cc: linux-fsd@tesla.com
Signed-off-by: Smitha T Murthy <smitha.t@samsung.com>
Signed-off-by: Aakarsh Jain <aakarsh.jain@samsung.com>
---
drivers/media/platform/samsung/s5p-mfc/s5p_mfc_enc.c | 9 ++++++---
.../media/platform/samsung/s5p-mfc/s5p_mfc_opr_v6.c | 12 ++++++++++++
2 files changed, 18 insertions(+), 3 deletions(-)

diff --git a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_enc.c b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_enc.c
index b761b9a31383..f953a3ed7f20 100644
--- a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_enc.c
+++ b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_enc.c
@@ -1628,9 +1628,12 @@ static int vidioc_try_fmt(struct file *file, void *priv, struct v4l2_format *f)
mfc_err("Unsupported format by this MFC version.\n");
return -EINVAL;
}
-
- v4l_bound_align_image(&pix_fmt_mp->width, 8, 1920, 1,
- &pix_fmt_mp->height, 4, 1080, 1, 0);
+ if (IS_MFCV12(dev))
+ v4l_bound_align_image(&pix_fmt_mp->width, 8, 3840, 1,
+ &pix_fmt_mp->height, 4, 2160, 1, 0);
+ else
+ v4l_bound_align_image(&pix_fmt_mp->width, 8, 1920, 1,
+ &pix_fmt_mp->height, 4, 1080, 1, 0);
} else {
mfc_err("invalid buf type\n");
return -EINVAL;
diff --git a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_opr_v6.c b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_opr_v6.c
index 2194df7b6fbf..c4953419be0e 100644
--- a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_opr_v6.c
+++ b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_opr_v6.c
@@ -1116,6 +1116,18 @@ static int s5p_mfc_set_enc_params_h264(struct s5p_mfc_ctx *ctx)
reg |= ((p->num_b_frame & 0x3) << 16);
writel(reg, mfc_regs->e_gop_config);

+ /* UHD encoding case */
+ if ((ctx->img_width == 3840) && ctx->img_height == 2160) {
+ if (p_h264->level < 51) {
+ mfc_debug(2, "Set Level 5.1 for UHD\n");
+ p_h264->level = 51;
+ }
+ if (p_h264->profile != 0x2) {
+ mfc_debug(2, "Set High profile for UHD\n");
+ p_h264->profile = 0x2;
+ }
+ }
+
/* profile & level */
reg = 0;
/** level */
--
2.17.1