| Message ID | 20240303-sdma_upstream-v1-3-869cd0165b09@nxp.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | dmaengine: fsl-sdma: Some improvement for fsl-sdma | expand |
> -----Original Message----- > From: Frank Li <frank.li@nxp.com> > Sent: 2024年3月4日 12:33 > To: Vinod Koul <vkoul@kernel.org>; Shawn Guo <shawnguo@kernel.org>; > Sascha Hauer <s.hauer@pengutronix.de>; Pengutronix Kernel Team > <kernel@pengutronix.de>; Fabio Estevam <festevam@gmail.com>; > dl-linux-imx <linux-imx@nxp.com> > Cc: dmaengine@vger.kernel.org; linux-arm-kernel@lists.infradead.org; > linux-kernel@vger.kernel.org; imx@lists.linux.dev; Frank Li > <frank.li@nxp.com>; Joy Zou <joy.zou@nxp.com> > Subject: [PATCH 3/4] dmaengine: imx-sdma: Add multi fifo for DEV_TO_DEV > > From: Joy Zou <joy.zou@nxp.com> > > Support multi fifo for DEV_TO_DEV. > > Signed-off-by: Joy Zou <joy.zou@nxp.com> > Signed-off-by: Frank Li <Frank.Li@nxp.com> Reviewed-by: Joy Zou <joy.zou@nxp.com> BR Joy Zou > --- > drivers/dma/imx-sdma.c | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index > ef45420485dac..9b133990afa39 100644 > --- a/drivers/dma/imx-sdma.c > +++ b/drivers/dma/imx-sdma.c > @@ -169,6 +169,8 @@ > #define SDMA_WATERMARK_LEVEL_SPDIF BIT(10) > #define SDMA_WATERMARK_LEVEL_SP BIT(11) > #define SDMA_WATERMARK_LEVEL_DP BIT(12) > +#define SDMA_WATERMARK_LEVEL_SD BIT(13) > +#define SDMA_WATERMARK_LEVEL_DD BIT(14) > #define SDMA_WATERMARK_LEVEL_HWML (0xFF << 16) > #define SDMA_WATERMARK_LEVEL_LWE BIT(28) > #define SDMA_WATERMARK_LEVEL_HWE BIT(29) > @@ -1259,6 +1261,11 @@ static void > sdma_set_watermarklevel_for_p2p(struct sdma_channel *sdmac) > sdmac->watermark_level |= SDMA_WATERMARK_LEVEL_DP; > > sdmac->watermark_level |= SDMA_WATERMARK_LEVEL_CONT; > + > + if (sdmac->n_fifos_src > 1) > + sdmac->watermark_level |= SDMA_WATERMARK_LEVEL_SD; > + if (sdmac->n_fifos_dst > 1) > + sdmac->watermark_level |= SDMA_WATERMARK_LEVEL_DD; > } > > static void sdma_set_watermarklevel_for_sais(struct sdma_channel *sdmac) > > -- > 2.34.1
diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index ef45420485dac..9b133990afa39 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -169,6 +169,8 @@ #define SDMA_WATERMARK_LEVEL_SPDIF BIT(10) #define SDMA_WATERMARK_LEVEL_SP BIT(11) #define SDMA_WATERMARK_LEVEL_DP BIT(12) +#define SDMA_WATERMARK_LEVEL_SD BIT(13) +#define SDMA_WATERMARK_LEVEL_DD BIT(14) #define SDMA_WATERMARK_LEVEL_HWML (0xFF << 16) #define SDMA_WATERMARK_LEVEL_LWE BIT(28) #define SDMA_WATERMARK_LEVEL_HWE BIT(29) @@ -1259,6 +1261,11 @@ static void sdma_set_watermarklevel_for_p2p(struct sdma_channel *sdmac) sdmac->watermark_level |= SDMA_WATERMARK_LEVEL_DP; sdmac->watermark_level |= SDMA_WATERMARK_LEVEL_CONT; + + if (sdmac->n_fifos_src > 1) + sdmac->watermark_level |= SDMA_WATERMARK_LEVEL_SD; + if (sdmac->n_fifos_dst > 1) + sdmac->watermark_level |= SDMA_WATERMARK_LEVEL_DD; } static void sdma_set_watermarklevel_for_sais(struct sdma_channel *sdmac)