diff options
| author | Aakarsh Jain <aakarsh.jain@samsung.com> | 2023-12-13 13:41:00 +0530 |
|---|---|---|
| committer | Hans Verkuil <hverkuil-cisco@xs4all.nl> | 2023-12-13 14:33:49 +0100 |
| commit | c639899bb66742f39cd6a0a4c27eb3240e309bff (patch) | |
| tree | 7ac96e85a499232d4e68ad31de493a8a79e8743c | |
| parent | 6f1466123d731265e607df3a0ea79bfc7531a564 (diff) | |
| download | lwn-c639899bb66742f39cd6a0a4c27eb3240e309bff.tar.gz lwn-c639899bb66742f39cd6a0a4c27eb3240e309bff.zip | |
media: s5p-mfc: Add support for rate controls in MFCv12
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 <smithatmurthy@gmail.com>
Signed-off-by: Aakarsh Jain <aakarsh.jain@samsung.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
| -rw-r--r-- | drivers/media/platform/samsung/s5p-mfc/s5p_mfc_opr_v6.c | 22 | ||||
| -rw-r--r-- | drivers/media/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 36aebca11313..4a0d0e228e78 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 @@ -992,10 +992,24 @@ 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 ff582eea4217..94ecb0e6e7c7 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 |