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| author |   Steve Longerbeam <slongerbeam@gmail.com> | 2016-07-19 18:11:01 -0700 |
|---|---|---|
| committer |   Philipp Zabel <p.zabel@pengutronix.de> | 2016-08-08 11:44:20 +0200 |
| commit | 03085911d7bbe1132977302fe45ec4efea29cd3d (patch) | |
| tree | 0041880c5a42943fc07e4d62182bcf38e6946b03 | |
| parent | gpu: ipu-cpmem: Add ipu_cpmem_set_uv_offset() (diff) | |
| download | wireguard-linux-03085911d7bbe1132977302fe45ec4efea29cd3d.tar.xz wireguard-linux-03085911d7bbe1132977302fe45ec4efea29cd3d.zip | |
gpu: ipu-cpmem: Add ipu_cpmem_get_burstsize()
Adds ipu_cpmem_get_burstsize().
Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
| -rw-r--r-- | drivers/gpu/ipu-v3/ipu-cpmem.c | 6 | ||||
| -rw-r--r-- | include/video/imx-ipu-v3.h | 1 |
2 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/ipu-v3/ipu-cpmem.c b/drivers/gpu/ipu-v3/ipu-cpmem.c index a36c35e04a6d..fcb7dc86167b 100644 --- a/drivers/gpu/ipu-v3/ipu-cpmem.c +++ b/drivers/gpu/ipu-v3/ipu-cpmem.c @@ -275,6 +275,12 @@ void ipu_cpmem_set_axi_id(struct ipuv3_channel *ch, u32 id) } EXPORT_SYMBOL_GPL(ipu_cpmem_set_axi_id); +int ipu_cpmem_get_burstsize(struct ipuv3_channel *ch) +{ + return ipu_ch_param_read_field(ch, IPU_FIELD_NPB) + 1; +} +EXPORT_SYMBOL_GPL(ipu_cpmem_get_burstsize); + void ipu_cpmem_set_burstsize(struct ipuv3_channel *ch, int burstsize) { ipu_ch_param_write_field(ch, IPU_FIELD_NPB, burstsize - 1); diff --git a/include/video/imx-ipu-v3.h b/include/video/imx-ipu-v3.h index 69c86585452a..8c4312ddc46c 100644 --- a/include/video/imx-ipu-v3.h +++ b/include/video/imx-ipu-v3.h @@ -187,6 +187,7 @@ void ipu_cpmem_set_buffer(struct ipuv3_channel *ch, int bufnum, dma_addr_t buf); void ipu_cpmem_set_uv_offset(struct ipuv3_channel *ch, u32 u_off, u32 v_off); void ipu_cpmem_interlaced_scan(struct ipuv3_channel *ch, int stride); void ipu_cpmem_set_axi_id(struct ipuv3_channel *ch, u32 id); +int ipu_cpmem_get_burstsize(struct ipuv3_channel *ch); void ipu_cpmem_set_burstsize(struct ipuv3_channel *ch, int burstsize); void ipu_cpmem_set_block_mode(struct ipuv3_channel *ch); void ipu_cpmem_set_rotation(struct ipuv3_channel *ch, |