diff options
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/amd/acp-pcm-dma.c | 27 |
1 files changed, 5 insertions, 22 deletions
diff --git a/sound/soc/amd/acp-pcm-dma.c b/sound/soc/amd/acp-pcm-dma.c index ef7e98ad960c..9f521a55d610 100644 --- a/sound/soc/amd/acp-pcm-dma.c +++ b/sound/soc/amd/acp-pcm-dma.c @@ -193,8 +193,8 @@ static void set_acp_sysmem_dma_descriptors(void __iomem *acp_mmio, dmadscr[i].xfer_val = 0; if (direction == SNDRV_PCM_STREAM_PLAYBACK) { dma_dscr_idx = PLAYBACK_START_DMA_DESCR_CH12 + i; - dmadscr[i].dest = ACP_SHARED_RAM_BANK_1_ADDRESS + - (size / 2) - (i * (size/2)); + dmadscr[i].dest = ACP_SHARED_RAM_BANK_1_ADDRESS + + (i * (size/2)); dmadscr[i].src = ACP_INTERNAL_APERTURE_WINDOW_0_ADDRESS + (pte_offset * SZ_4K) + (i * (size/2)); switch (asic_type) { @@ -655,9 +655,9 @@ static irqreturn_t dma_irq_handler(int irq, void *arg) valid_irq = true; if (acp_reg_read(acp_mmio, mmACP_DMA_CUR_DSCR_13) == PLAYBACK_START_DMA_DESCR_CH13) - dscr_idx = PLAYBACK_START_DMA_DESCR_CH12; - else dscr_idx = PLAYBACK_END_DMA_DESCR_CH12; + else + dscr_idx = PLAYBACK_START_DMA_DESCR_CH12; config_acp_dma_channel(acp_mmio, SYSRAM_TO_ACP_CH_NUM, dscr_idx, 1, 0); acp_dma_start(acp_mmio, SYSRAM_TO_ACP_CH_NUM, false); @@ -882,23 +882,6 @@ static int acp_dma_prepare(struct snd_pcm_substream *substream) config_acp_dma_channel(rtd->acp_mmio, ACP_TO_I2S_DMA_CH_NUM, PLAYBACK_START_DMA_DESCR_CH13, NUM_DSCRS_PER_CHANNEL, 0); - /* Fill ACP SRAM (2 periods) with zeros from System RAM - * which is zero-ed in hw_params - */ - acp_dma_start(rtd->acp_mmio, SYSRAM_TO_ACP_CH_NUM, false); - - /* ACP SRAM (2 periods of buffer size) is intially filled with - * zeros. Before rendering starts, 2nd half of SRAM will be - * filled with valid audio data DMA'ed from first half of system - * RAM and 1st half of SRAM will be filled with Zeros. This is - * the initial scenario when redering starts from SRAM. Later - * on, 2nd half of system memory will be DMA'ed to 1st half of - * SRAM, 1st half of system memory will be DMA'ed to 2nd half of - * SRAM in ping-pong way till rendering stops. - */ - config_acp_dma_channel(rtd->acp_mmio, SYSRAM_TO_ACP_CH_NUM, - PLAYBACK_START_DMA_DESCR_CH12, - 1, 0); } else { config_acp_dma_channel(rtd->acp_mmio, ACP_TO_SYSRAM_CH_NUM, CAPTURE_START_DMA_DESCR_CH14, @@ -913,7 +896,7 @@ static int acp_dma_prepare(struct snd_pcm_substream *substream) static int acp_dma_trigger(struct snd_pcm_substream *substream, int cmd) { int ret; - u32 loops = 1000; + u32 loops = 4000; u64 bytescount = 0; struct snd_pcm_runtime *runtime = substream->runtime; |