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31c45b3e8d
linux_dsm_epyc7002/sound/soc
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Vijendar Mukunda 31c45b3e8d
ASoC: amd: Modified DMA transfer Mechanism for Playback 
Before rendering starts, DMA driver copies full buffer valid data
to ACP SRAM for the first time, after that ACP SRAM to I2S
FIFO DMA will be initiated. After rendering first half of ACP SRAM,
IOC will be raised then Audio data will be copied from first half of
System Memory to first half of ACP SRAM. Similarly after rendering
second half of ACP SRAM, IOC will be raised then Audio Data will be
copied from second half of the System Memory to second half of the
ACP SRAM in ping-pong way till rendering stops.

Old design introducing latency issues resulting stutter sound observed
during playback.

Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Signed-off-by: Akshu Agrawal <Akshu.Agrawal@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2017-11-09 17:41:33 +00:00
..
adi
amd ASoC: amd: Modified DMA transfer Mechanism for Playback 2017-11-09 17:41:33 +00:00
atmel The diff is dominated by the Allwinner A10/A20 SoCs getting converted to 2017-09-13 11:04:14 -07:00
au1x Merge remote-tracking branches 'asoc/topic/omap', 'asoc/topic/psc-ac97' and 'asoc/topic/pxa' into asoc-next 2017-09-01 12:12:52 +01:00
bcm Merge remote-tracking branches 'asoc/topic/cs43130', 'asoc/topic/cs53l30', 'asoc/topic/cygnus' and 'asoc/topic/davinci' into asoc-next 2017-09-01 12:12:32 +01:00
blackfin ASoC: blackfin: constify snd_soc_dai_ops structures 2017-08-15 18:10:53 +01:00
cirrus ASoC: cirrus: make snd_soc_ops const 2017-08-17 18:07:47 +01:00
codecs dmi: Mark all struct dmi_system_id instances const 2017-09-14 11:59:30 +02:00
davinci ASoC: davinci-mcasp: check memory allocation failure 2017-08-27 13:30:29 +01:00
dwc ASoC: dwc: Delete an error message for a failed memory allocation in dw_i2s_probe() 2017-08-14 17:28:51 +01:00
fsl Merge remote-tracking branches 'asoc/topic/hisi', 'asoc/topic/img', 'asoc/topic/jack' and 'asoc/topic/jz4740' into asoc-next 2017-09-01 12:12:41 +01:00
generic Merge remote-tracking branches 'asoc/topic/simple', 'asoc/topic/spear', 'asoc/topic/sta32x', 'asoc/topic/stm32' and 'asoc/topic/sunxi' into asoc-next 2017-09-01 12:13:06 +01:00
hisilicon ASoC: hisilicon: constify snd_soc_dai_ops structure 2017-07-17 16:16:58 +01:00
img ASoC: img: explicitly request exclusive reset control 2017-07-19 17:06:54 +01:00
intel Merge remote-tracking branches 'asoc/topic/hisi', 'asoc/topic/img', 'asoc/topic/jack' and 'asoc/topic/jz4740' into asoc-next 2017-09-01 12:12:41 +01:00
jz4740 ASoC: jz4740: Handle return value of clk_prepare_enable. 2017-07-26 13:01:18 +01:00
kirkwood ASoC: kirkwood: make snd_pcm_hardware const 2017-08-17 17:57:09 +01:00
mediatek Merge remote-tracking branches 'asoc/topic/mtk', 'asoc/topic/mxs', 'asoc/topic/nau8825', 'asoc/topic/nuc900' and 'asoc/topic/of-graph' into asoc-next 2017-09-01 12:12:48 +01:00
mxs Merge remote-tracking branches 'asoc/topic/mtk', 'asoc/topic/mxs', 'asoc/topic/nau8825', 'asoc/topic/nuc900' and 'asoc/topic/of-graph' into asoc-next 2017-09-01 12:12:48 +01:00
nuc900 ASoC: nuc900: constify snd_pcm_ops structures 2017-08-14 17:23:23 +01:00
omap sound updates for 4.14-rc1 2017-09-07 12:44:53 -07:00
pxa Merge remote-tracking branches 'asoc/topic/omap', 'asoc/topic/psc-ac97' and 'asoc/topic/pxa' into asoc-next 2017-09-01 12:12:52 +01:00
qcom ASoC: qcom: apq8016-sbc: Add support to Headset JACK 2017-08-21 19:33:03 +01:00
rockchip ASoC: rockchip: constify snd_soc_ops structures 2017-08-30 16:12:53 +01:00
samsung Merge remote-tracking branches 'asoc/topic/rt5665', 'asoc/topic/rt5670', 'asoc/topic/rt5677' and 'asoc/topic/samsung' into asoc-next 2017-09-01 12:13:03 +01:00
sh Merge remote-tracking branches 'asoc/topic/dwc', 'asoc/topic/es8316', 'asoc/topic/fsi', 'asoc/topic/fsl' and 'asoc/topic/hdmi' into asoc-next 2017-09-01 12:12:36 +01:00
sirf ASoC: sirf: Added blank line after declarations 2017-03-07 14:31:51 +01:00
spear ASoC: spear: constify snd_soc_dai_ops structures 2017-08-15 18:11:42 +01:00
sti ASoC: sti: Fix error handling if of_clk_get() fails 2017-04-30 21:30:52 +09:00
stm ASoC: stm32: explicitly request exclusive reset control 2017-07-19 17:07:04 +01:00
sunxi ASoC: sun4i-i2s: Add support for H3 2017-08-21 17:16:14 +01:00
tegra Merge remote-tracking branches 'asoc/topic/tas2552', 'asoc/topic/tas5720', 'asoc/topic/tegra', 'asoc/topic/tlv320aic32x4' and 'asoc/topic/tlv320aic3x' into asoc-next 2017-09-01 12:13:10 +01:00
txx9 ASoC: txx9: constify snd_pcm_ops structures 2017-08-14 17:21:25 +01:00
ux500 Merge remote-tracking branches 'asoc/topic/twl6040', 'asoc/topic/txx9', 'asoc/topic/utils', 'asoc/topic/ux500' and 'asoc/topic/wm8523' into asoc-next 2017-09-01 12:13:15 +01:00
xtensa
zte ASoC: zte: spdif: constify snd_soc_dai_ops structure 2017-07-17 16:18:15 +01:00
Kconfig Merge remote-tracking branches 'asoc/topic/sta529', 'asoc/topic/sti', 'asoc/topic/stm', 'asoc/topic/sunxi' and 'asoc/topic/tas2552' into asoc-next 2017-04-30 22:16:31 +09:00
Makefile Merge remote-tracking branches 'asoc/topic/sta529', 'asoc/topic/sti', 'asoc/topic/stm', 'asoc/topic/sunxi' and 'asoc/topic/tas2552' into asoc-next 2017-04-30 22:16:31 +09:00
soc-ac97.c ASoC: Fixup some small kernel-doc typos 2017-01-12 17:23:01 +00:00
soc-cache.c
soc-compress.c ASoC: compress: Set reasonable compress id string 2017-08-16 15:52:58 +01:00
soc-core.c ASoC: Updates for v4.14 2017-09-04 14:50:49 +02:00
soc-dapm.c ASoC: dapm: fix some pointer error handling 2017-01-20 13:11:02 +00:00
soc-devres.c
soc-generic-dmaengine-pcm.c ASoC: Revert "Drop SND_DMAENGINE_PCM_FLAG_CUSTOM_CHANNEL_NAME flag" 2017-01-23 18:16:33 +00:00
soc-io.c
soc-jack.c Merge remote-tracking branches 'asoc/topic/hisi', 'asoc/topic/img', 'asoc/topic/jack' and 'asoc/topic/jz4740' into asoc-next 2017-09-01 12:12:41 +01:00
soc-ops.c ASoC: Fixup some small kernel-doc typos 2017-01-12 17:23:01 +00:00
soc-pcm.c Merge remote-tracking branch 'asoc/topic/core' into asoc-next 2017-09-01 12:12:18 +01:00
soc-topology.c Merge remote-tracking branches 'asoc/topic/stm32', 'asoc/topic/sunxi', 'asoc/topic/tlv320dac31xx', 'asoc/topic/topology' and 'asoc/topic/wm-adsp' into asoc-next 2017-07-03 16:15:20 +01:00
soc-utils.c ASoC: soc-utils: make snd_soc_platform_driver const 2017-08-14 17:21:41 +01:00