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From: Ezequiel Garcia <ezequiel@collabora.com>
To: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: kernel@collabora.com, Jonas Karlman <jonas@kwiboo.se>,
	Hans Verkuil <hverkuil@xs4all.nl>,
	Nicolas Dufresne <nicolas.dufresne@collabora.com>,
	Philipp Zabel <p.zabel@pengutronix.de>,
	Maxime Ripard <mripard@kernel.org>,
	Paul Kocialkowski <paul.kocialkowski@bootlin.com>,
	Jernej Skrabec <jernej.skrabec@siol.net>,
	Daniel Almeida <daniel.almeida@collabora.com>,
	Ezequiel Garcia <ezequiel@collabora.com>
Subject: [PATCH v6 06/10] media: hantro/cedrus: Remove unneeded slice size and slice offset
Date: Mon, 26 Apr 2021 00:35:18 -0300	[thread overview]
Message-ID: <20210426033522.69395-7-ezequiel@collabora.com> (raw)
In-Reply-To: <20210426033522.69395-1-ezequiel@collabora.com>

The MPEG2_SLICE_PARAMS control is designed to refer to a
single slice. However, the Hantro and Cedrus drivers operate
in per-frame mode, and so does the current Ffmpeg and GStreamer
implementations that are tested with these two drivers.

In other words, the drivers are expecting all the slices in a picture
(with either frame or field structure) to be contained in
the OUTPUT buffer, which means the slice size and offset shouldn't be used.

Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
---
 drivers/staging/media/hantro/hantro_g1_mpeg2_dec.c     | 4 ++--
 drivers/staging/media/hantro/rk3399_vpu_hw_mpeg2_dec.c | 4 ++--
 drivers/staging/media/sunxi/cedrus/cedrus_mpeg2.c      | 7 +++----
 3 files changed, 7 insertions(+), 8 deletions(-)

diff --git a/drivers/staging/media/hantro/hantro_g1_mpeg2_dec.c b/drivers/staging/media/hantro/hantro_g1_mpeg2_dec.c
index d35071e88116..c4040fba7c80 100644
--- a/drivers/staging/media/hantro/hantro_g1_mpeg2_dec.c
+++ b/drivers/staging/media/hantro/hantro_g1_mpeg2_dec.c
@@ -203,7 +203,7 @@ void hantro_g1_mpeg2_dec_run(struct hantro_ctx *ctx)
 	      G1_REG_TOPFIELDFIRST_E(pic->flags & V4L2_MPEG2_PIC_FLAG_TOP_FIELD_FIRST);
 	vdpu_write_relaxed(vpu, reg, G1_SWREG(4));
 
-	reg = G1_REG_STRM_START_BIT(slice_params->data_bit_offset) |
+	reg = G1_REG_STRM_START_BIT(0) |
 	      G1_REG_QSCALE_TYPE(pic->flags & V4L2_MPEG2_PIC_FLAG_Q_SCALE_TYPE) |
 	      G1_REG_CON_MV_E(pic->flags & V4L2_MPEG2_PIC_FLAG_CONCEALMENT_MV) |
 	      G1_REG_INTRA_DC_PREC(pic->intra_dc_precision) |
@@ -212,7 +212,7 @@ void hantro_g1_mpeg2_dec_run(struct hantro_ctx *ctx)
 	vdpu_write_relaxed(vpu, reg, G1_SWREG(5));
 
 	reg = G1_REG_INIT_QP(1) |
-	      G1_REG_STREAM_LEN(slice_params->bit_size >> 3);
+	      G1_REG_STREAM_LEN(vb2_get_plane_payload(&src_buf->vb2_buf, 0));
 	vdpu_write_relaxed(vpu, reg, G1_SWREG(6));
 
 	reg = G1_REG_ALT_SCAN_FLAG_E(pic->flags & V4L2_MPEG2_PIC_FLAG_ALT_SCAN) |
diff --git a/drivers/staging/media/hantro/rk3399_vpu_hw_mpeg2_dec.c b/drivers/staging/media/hantro/rk3399_vpu_hw_mpeg2_dec.c
index 18bd14704ebf..314269811244 100644
--- a/drivers/staging/media/hantro/rk3399_vpu_hw_mpeg2_dec.c
+++ b/drivers/staging/media/hantro/rk3399_vpu_hw_mpeg2_dec.c
@@ -177,7 +177,7 @@ void rk3399_vpu_mpeg2_dec_run(struct hantro_ctx *ctx)
 	vdpu_write_relaxed(vpu, reg, VDPU_SWREG(50));
 
 	reg = VDPU_REG_INIT_QP(1) |
-	      VDPU_REG_STREAM_LEN(slice_params->bit_size >> 3);
+	      VDPU_REG_STREAM_LEN(vb2_get_plane_payload(&src_buf->vb2_buf, 0));
 	vdpu_write_relaxed(vpu, reg, VDPU_SWREG(51));
 
 	reg = VDPU_REG_APF_THRESHOLD(8) |
@@ -220,7 +220,7 @@ void rk3399_vpu_mpeg2_dec_run(struct hantro_ctx *ctx)
 	      VDPU_REG_TOPFIELDFIRST_E(pic->flags & V4L2_MPEG2_PIC_FLAG_TOP_FIELD_FIRST);
 	vdpu_write_relaxed(vpu, reg, VDPU_SWREG(120));
 
-	reg = VDPU_REG_STRM_START_BIT(slice_params->data_bit_offset) |
+	reg = VDPU_REG_STRM_START_BIT(0) |
 	      VDPU_REG_QSCALE_TYPE(pic->flags & V4L2_MPEG2_PIC_FLAG_Q_SCALE_TYPE) |
 	      VDPU_REG_CON_MV_E(pic->flags & V4L2_MPEG2_PIC_FLAG_CONCEALMENT_MV) |
 	      VDPU_REG_INTRA_DC_PREC(pic->intra_dc_precision) |
diff --git a/drivers/staging/media/sunxi/cedrus/cedrus_mpeg2.c b/drivers/staging/media/sunxi/cedrus/cedrus_mpeg2.c
index 16e99792cf42..fd71cb175318 100644
--- a/drivers/staging/media/sunxi/cedrus/cedrus_mpeg2.c
+++ b/drivers/staging/media/sunxi/cedrus/cedrus_mpeg2.c
@@ -152,10 +152,9 @@ static void cedrus_mpeg2_setup(struct cedrus_ctx *ctx, struct cedrus_run *run)
 
 	/* Source offset and length in bits. */
 
-	cedrus_write(dev, VE_DEC_MPEG_VLD_OFFSET,
-		     slice_params->data_bit_offset);
+	cedrus_write(dev, VE_DEC_MPEG_VLD_OFFSET, 0);
 
-	reg = slice_params->bit_size - slice_params->data_bit_offset;
+	reg = vb2_get_plane_payload(&run->src->vb2_buf, 0) * 8;
 	cedrus_write(dev, VE_DEC_MPEG_VLD_LEN, reg);
 
 	/* Source beginning and end addresses. */
@@ -169,7 +168,7 @@ static void cedrus_mpeg2_setup(struct cedrus_ctx *ctx, struct cedrus_run *run)
 
 	cedrus_write(dev, VE_DEC_MPEG_VLD_ADDR, reg);
 
-	reg = src_buf_addr + DIV_ROUND_UP(slice_params->bit_size, 8);
+	reg = src_buf_addr + vb2_get_plane_payload(&run->src->vb2_buf, 0);
 	cedrus_write(dev, VE_DEC_MPEG_VLD_END_ADDR, reg);
 
 	/* Macroblock address: start at the beginning. */
-- 
2.30.0


  parent reply	other threads:[~2021-04-26  3:36 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-26  3:35 [PATCH v6 00/10] MPEG-2 stateless API cleanup and destaging Ezequiel Garcia
2021-04-26  3:35 ` [PATCH v6 01/10] media: uapi: mpeg2: Rename "quantization" to "quantisation" Ezequiel Garcia
2021-04-26  3:35 ` [PATCH v6 02/10] media: uapi: mpeg2: rework quantisation matrices semantics Ezequiel Garcia
2021-04-26  3:35 ` [PATCH v6 03/10] media: uapi: mpeg2: Cleanup flags Ezequiel Garcia
2021-04-26  3:35 ` [PATCH v6 04/10] media: uapi: mpeg2: Split sequence and picture parameters Ezequiel Garcia
2021-04-26  3:35 ` [PATCH v6 05/10] media: uapi: mpeg2: Move reference buffer fields Ezequiel Garcia
2021-04-26  3:35 ` Ezequiel Garcia [this message]
2021-04-26  3:35 ` [PATCH v6 07/10] media: uapi: mpeg2: Remove V4L2_CID_MPEG_VIDEO_MPEG2_SLICE_PARAMS Ezequiel Garcia
2021-04-26  3:35 ` [PATCH v6 08/10] media: uapi: Move the MPEG-2 stateless control type out of staging Ezequiel Garcia
2021-04-26  3:35 ` [PATCH v6 09/10] media: controls: Log MPEG-2 stateless control in .std_log Ezequiel Garcia
2021-04-26  3:35 ` [PATCH v6 10/10] media: uapi: move MPEG-2 stateless controls out of staging Ezequiel Garcia
2021-04-29  8:47   ` Hans Verkuil
2021-04-26 19:36 ` [PATCH v6 00/10] MPEG-2 stateless API cleanup and destaging Jernej Škrabec
2021-04-26 23:29 ` Daniel Almeida

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