linux-kernel - [PATCH v2 4/7] media: hantro: postproc: Fix legacy regs configuration

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20220616202513.351039-5-jernej.skrabec@gmail.com>
Date:   Thu, 16 Jun 2022 22:25:10 +0200
From:   Jernej Skrabec <jernej.skrabec@...il.com>
To:     ezequiel@...guardiasur.com.ar, p.zabel@...gutronix.de
Cc:     mchehab@...nel.org, hverkuil-cisco@...all.nl,
        benjamin.gaignard@...labora.com, nicolas.dufresne@...labora.com,
        gregkh@...uxfoundation.org, linux-media@...r.kernel.org,
        linux-staging@...ts.linux.dev,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-rockchip@...ts.infradead.org,
        Jernej Skrabec <jernej.skrabec@...il.com>
Subject: [PATCH v2 4/7] media: hantro: postproc: Fix legacy regs configuration

Some postproc legacy registers were set in VP9 code. Move them to
postproc and fix their value.

Reviewed-by: Ezequiel Garcia <ezequiel@...guardiasur.com.ar>
Signed-off-by: Jernej Skrabec <jernej.skrabec@...il.com>
---
 drivers/staging/media/hantro/hantro_g2_vp9_dec.c |  8 --------
 drivers/staging/media/hantro/hantro_postproc.c   | 10 ++++++++++
 2 files changed, 10 insertions(+), 8 deletions(-)

diff --git a/drivers/staging/media/hantro/hantro_g2_vp9_dec.c b/drivers/staging/media/hantro/hantro_g2_vp9_dec.c
index 91c21b634fab..c9cb11fd95af 100644
--- a/drivers/staging/media/hantro/hantro_g2_vp9_dec.c
+++ b/drivers/staging/media/hantro/hantro_g2_vp9_dec.c
@@ -515,16 +515,8 @@ static void
 config_bit_depth(struct hantro_ctx *ctx, const struct v4l2_ctrl_vp9_frame *dec_params)
 {
 	if (ctx->dev->variant->legacy_regs) {
-		u8 pp_shift = 0;
-
 		hantro_reg_write(ctx->dev, &g2_bit_depth_y, dec_params->bit_depth);
 		hantro_reg_write(ctx->dev, &g2_bit_depth_c, dec_params->bit_depth);
-		hantro_reg_write(ctx->dev, &g2_rs_out_bit_depth, dec_params->bit_depth);
-
-		if (dec_params->bit_depth > 8)
-			pp_shift = 16 - dec_params->bit_depth;
-
-		hantro_reg_write(ctx->dev, &g2_pp_pix_shift, pp_shift);
 		hantro_reg_write(ctx->dev, &g2_pix_shift, 0);
 	} else {
 		hantro_reg_write(ctx->dev, &g2_bit_depth_y_minus8, dec_params->bit_depth - 8);
diff --git a/drivers/staging/media/hantro/hantro_postproc.c b/drivers/staging/media/hantro/hantro_postproc.c
index b77cc55e43ea..8933b4af73ed 100644
--- a/drivers/staging/media/hantro/hantro_postproc.c
+++ b/drivers/staging/media/hantro/hantro_postproc.c
@@ -130,6 +130,16 @@ static void hantro_postproc_g2_enable(struct hantro_ctx *ctx)
 		hantro_write_addr(vpu, G2_RS_OUT_LUMA_ADDR, dst_dma);
 		hantro_write_addr(vpu, G2_RS_OUT_CHROMA_ADDR, dst_dma + chroma_offset);
 	}
+	if (ctx->dev->variant->legacy_regs) {
+		int out_depth = hantro_get_format_depth(ctx->dst_fmt.pixelformat);
+		u8 pp_shift = 0;
+
+		if (out_depth > 8)
+			pp_shift = 16 - out_depth;
+
+		hantro_reg_write(ctx->dev, &g2_rs_out_bit_depth, out_depth);
+		hantro_reg_write(ctx->dev, &g2_pp_pix_shift, pp_shift);
+	}
 	hantro_reg_write(vpu, &g2_out_rs_e, 1);
 }
 
-- 
2.36.1