From: Sugar Zhang <sugar.zhang@rock-chips.com>
To: broonie@kernel.org, heiko@sntech.de
Cc: linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org,
alsa-devel@alsa-project.org,
Sugar Zhang <sugar.zhang@rock-chips.com>
Subject: [PATCH v3 03/14] ASoC: rockchip: i2s: Improve dma data transfer efficiency
Date: Thu, 26 Aug 2021 12:01:49 +0800 [thread overview]
Message-ID: <1629950520-14190-3-git-send-email-sugar.zhang@rock-chips.com> (raw)
In-Reply-To: <1629950441-14118-1-git-send-email-sugar.zhang@rock-chips.com>
This patch changes dma data burst from 4 to 8 to improve
data transfer efficiency.
Signed-off-by: Sugar Zhang <sugar.zhang@rock-chips.com>
---
Changes in v3: None
Changes in v2: None
sound/soc/rockchip/rockchip_i2s.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/sound/soc/rockchip/rockchip_i2s.c b/sound/soc/rockchip/rockchip_i2s.c
index 05fce2c..2e0047d 100644
--- a/sound/soc/rockchip/rockchip_i2s.c
+++ b/sound/soc/rockchip/rockchip_i2s.c
@@ -644,11 +644,11 @@ static int rockchip_i2s_probe(struct platform_device *pdev)
i2s->playback_dma_data.addr = res->start + I2S_TXDR;
i2s->playback_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
- i2s->playback_dma_data.maxburst = 4;
+ i2s->playback_dma_data.maxburst = 8;
i2s->capture_dma_data.addr = res->start + I2S_RXDR;
i2s->capture_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
- i2s->capture_dma_data.maxburst = 4;
+ i2s->capture_dma_data.maxburst = 8;
i2s->bclk_ratio = 64;
--
2.7.4
next prev parent reply other threads:[~2021-08-26 4:02 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-26 4:00 [PATCH v3 0/14] Patches to update for rockchip i2s Sugar Zhang
2021-08-26 4:01 ` [PATCH v3 01/14] ASoC: rockchip: i2s: Add support for set bclk ratio Sugar Zhang
2021-08-26 4:01 ` [PATCH v3 02/14] ASoC: rockchip: i2s: Fixup clk div error Sugar Zhang
2021-08-26 4:01 ` Sugar Zhang [this message]
2021-08-26 4:01 ` [PATCH v3 04/14] ASoC: rockchip: i2s: Fix regmap_ops hang Sugar Zhang
2021-08-26 4:01 ` [PATCH v3 05/14] ASoC: rockchip: i2s: Fix concurrency between tx/rx Sugar Zhang
2021-08-26 12:52 ` Mark Brown
2021-08-27 1:37 ` sugar zhang
2021-08-26 4:02 ` [PATCH v3 06/14] ASoC: rockchip: i2s: Reset the controller if soft reset failed Sugar Zhang
2021-08-26 4:02 ` [PATCH v3 07/14] ASoC: dt-bindings: rockchip: Document reset property for i2s Sugar Zhang
2021-08-26 4:02 ` [PATCH v3 08/14] ASoC: rockchip: i2s: Fixup config for DAIFMT_DSP_A/B Sugar Zhang
2021-08-26 4:02 ` [PATCH v3 09/14] ASoC: rockchip: i2s: Make playback/capture optional Sugar Zhang
2021-08-26 4:02 ` [PATCH v3 10/14] ASoC: rockchip: i2s: Add compatible for more SoCs Sugar Zhang
2021-08-26 4:03 ` [PATCH v3 11/14] ASoC: dt-bindings: rockchip: Add compatible strings " Sugar Zhang
2021-08-26 4:03 ` [PATCH v3 12/14] ASoC: rockchip: i2s: Add support for frame inversion Sugar Zhang
2021-08-26 4:03 ` [PATCH v3 13/14] ASoC: rockchip: i2s: Add support for TRCM property Sugar Zhang
2021-08-26 4:03 ` [PATCH v3 14/14] ASoC: dt-bindings: rockchip: i2s: Document property TRCM Sugar Zhang
2021-08-26 14:15 ` (subset) [PATCH v3 0/14] Patches to update for rockchip i2s Mark Brown
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