>From MFCv6 onwards encoder stream buffer and decoder CPB buffer
need to be aligned with 512.
Signed-off-by: Smitha T Murthy <smitha.t@xxxxxxxxxxx>
---
drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c | 9 +++++++++
drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.h | 3 +++
2 files changed, 12 insertions(+), 0 deletions(-)
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c b/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c
index d6f207e..57da798 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c
@@ -408,8 +408,15 @@ static int s5p_mfc_set_dec_stream_buffer_v6(struct s5p_mfc_ctx *ctx,
struct s5p_mfc_dev *dev = ctx->dev;
const struct s5p_mfc_regs *mfc_regs = dev->mfc_regs;
struct s5p_mfc_buf_size *buf_size = dev->variant->buf_size;
+ size_t cpb_buf_size;
mfc_debug_enter();
+ cpb_buf_size = ALIGN(buf_size->cpb, CPB_ALIGN);
+ if (strm_size >= set_strm_size_max(cpb_buf_size)) {
+ mfc_debug(2, "Decrease strm_size : %u -> %zu, gap : %d\n",
+ strm_size, set_strm_size_max(cpb_buf_size), CPB_ALIGN);
+ strm_size = set_strm_size_max(cpb_buf_size);
+ }
mfc_debug(2, "inst_no: %d, buf_addr: 0x%08x,\n"
"buf_size: 0x%08x (%d)\n",
ctx->inst_no, buf_addr, strm_size, strm_size);
@@ -519,6 +526,8 @@ static int s5p_mfc_set_enc_stream_buffer_v6(struct s5p_mfc_ctx *ctx,
struct s5p_mfc_dev *dev = ctx->dev;
const struct s5p_mfc_regs *mfc_regs = dev->mfc_regs;
+ size = ALIGN(size, 512);
+
writel(addr, mfc_regs->e_stream_buffer_addr); /* 16B align */
writel(size, mfc_regs->e_stream_buffer_size);
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.h b/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.h
index 8055848..16a7b1d 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.h
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.h
@@ -40,6 +40,9 @@
#define FRAME_DELTA_H264_H263 1
#define TIGHT_CBR_MAX 10
+#define CPB_ALIGN 512
+#define set_strm_size_max(cpb_max) ((cpb_max) - CPB_ALIGN)
+
struct s5p_mfc_hw_ops *s5p_mfc_init_hw_ops_v6(void);
const struct s5p_mfc_regs *s5p_mfc_init_regs_v6_plus(struct s5p_mfc_dev *dev);
#endif /* S5P_MFC_OPR_V6_H_ */
--
1.7.2.3
--
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