[Patch v3 09/15] media: s5p-mfc: Add support for rate controls in MFCv12

aakarsh jain
2022-10-12T03:49:54Z

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

In MFCv12, the rc configs are changed with support for CBR loose,
CBR tight and Variable Bitrate (VBR) added.

Cc: linux-fsd@tesla.com
Signed-off-by: Smitha T Murthy <smitha.t@samsung.com>
Signed-off-by: Aakarsh Jain <aakarsh.jain@samsung.com>
---
.../platform/samsung/s5p-mfc/s5p_mfc_opr_v6.c | 22 +++++++++++++++----
.../platform/samsung/s5p-mfc/s5p_mfc_opr_v6.h | 1 +
2 files changed, 19 insertions(+), 4 deletions(-)

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 27c2ada381ec..2194df7b6fbf 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
@@ -1037,10 +1037,24 @@ static int s5p_mfc_set_enc_params(struct s5p_mfc_ctx *ctx)

/* reaction coefficient */
if (p->rc_frame) {
- if (p->rc_reaction_coeff < TIGHT_CBR_MAX) /* tight CBR */
- writel(1, mfc_regs->e_rc_mode);
- else /* loose CBR */
- writel(2, mfc_regs->e_rc_mode);
+ if (IS_MFCV12(dev)) {
+ /* loose CBR */
+ if (p->rc_reaction_coeff < LOOSE_CBR_MAX)
+ writel(1, mfc_regs->e_rc_mode);
+ /* tight CBR */
+ else if (p->rc_reaction_coeff < TIGHT_CBR_MAX)
+ writel(0, mfc_regs->e_rc_mode);
+ /* VBR */
+ else
+ writel(2, mfc_regs->e_rc_mode);
+ } else {
+ /* tight CBR */
+ if (p->rc_reaction_coeff < TIGHT_CBR_MAX)
+ writel(1, mfc_regs->e_rc_mode);
+ /* loose CBR */
+ else
+ writel(2, mfc_regs->e_rc_mode);
+ }
}

/* seq header ctrl */
diff --git a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_opr_v6.h b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_opr_v6.h
index 30269f3e68e8..24752a712fbf 100644
--- a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_opr_v6.h
+++ b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_opr_v6.h
@@ -40,6 +40,7 @@
#define ENC_H264_LEVEL_MAX 42
#define ENC_MPEG4_VOP_TIME_RES_MAX ((1 << 16) - 1)
#define FRAME_DELTA_H264_H263 1
+#define LOOSE_CBR_MAX 5
#define TIGHT_CBR_MAX 10
#define ENC_HEVC_RC_FRAME_RATE_MAX ((1 << 16) - 1)
#define ENC_HEVC_QP_INDEX_MIN -12
--
2.17.1