Files
LibreELEC.tv/packages/linux/patches/rockchip-old/rockchip-0034-WIP-1001-media-rkvdec-disable-QoS-for-VP9-corruption.patch
Christian Hewitt 16d8875e4f linux: update rockchip-old to Linux 6.16.7
Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
2025-09-22 13:54:39 +00:00

55 lines
1.9 KiB
Diff

From a85f156bdf40aecd9f308e96bd0ffeb6e06077d4 Mon Sep 17 00:00:00 2001
From: Alex Bee <knaerzche@gmail.com>
Date: Sun, 4 Jul 2021 15:19:44 +0200
Subject: [PATCH 34/59] WIP/1001: media: rkvdec: disable QoS for VP9
(corruptions on RK3328 otherwise)
Signed-off-by: Alex Bee <knaerzche@gmail.com>
---
drivers/staging/media/rkvdec/rkvdec-regs.h | 2 ++
drivers/staging/media/rkvdec/rkvdec-vp9.c | 8 ++++++++
2 files changed, 10 insertions(+)
diff --git a/drivers/staging/media/rkvdec/rkvdec-regs.h b/drivers/staging/media/rkvdec/rkvdec-regs.h
index 3acc914888f6..265f5234f4eb 100644
--- a/drivers/staging/media/rkvdec/rkvdec-regs.h
+++ b/drivers/staging/media/rkvdec/rkvdec-regs.h
@@ -222,6 +222,8 @@
#define RKVDEC_REG_H264_ERR_E 0x134
#define RKVDEC_H264_ERR_EN_HIGHBITS(x) ((x) & 0x3fffffff)
+#define RKVDEC_QOS_CTRL 0x18C
+
#define RKVDEC_REG_PREF_LUMA_CACHE_COMMAND 0x410
#define RKVDEC_REG_PREF_CHR_CACHE_COMMAND 0x450
diff --git a/drivers/staging/media/rkvdec/rkvdec-vp9.c b/drivers/staging/media/rkvdec/rkvdec-vp9.c
index 0e7e16f20eeb..b7bc07493cea 100644
--- a/drivers/staging/media/rkvdec/rkvdec-vp9.c
+++ b/drivers/staging/media/rkvdec/rkvdec-vp9.c
@@ -803,6 +803,7 @@ static int rkvdec_vp9_run(struct rkvdec_ctx *ctx)
struct rkvdec_dev *rkvdec = ctx->dev;
struct rkvdec_vp9_run run = { };
int ret;
+ u32 reg;
ret = rkvdec_vp9_run_preamble(ctx, &run);
if (ret) {
@@ -824,6 +825,13 @@ static int rkvdec_vp9_run(struct rkvdec_ctx *ctx)
writel(1, rkvdec->regs + RKVDEC_REG_PREF_CHR_CACHE_COMMAND);
writel(0xe, rkvdec->regs + RKVDEC_REG_STRMD_ERR_EN);
+
+ /* disable QOS for RK3328 - no effect on other SoCs */
+ reg = readl(rkvdec->regs + RKVDEC_QOS_CTRL);
+ reg |= 0xFFFF;
+ reg &= (~BIT(12));
+ writel(reg, rkvdec->regs + RKVDEC_QOS_CTRL);
+
/* Start decoding! */
writel(RKVDEC_INTERRUPT_DEC_E | RKVDEC_CONFIG_DEC_CLK_GATE_E |
RKVDEC_TIMEOUT_E | RKVDEC_BUF_EMPTY_E,
--
2.34.1