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gpu: ipu-cpmem: Add ipu_cpmem_get_burstsize()

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Adds ipu_cpmem_get_burstsize().

Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
This commit is contained in:
Steve Longerbeam 2016-07-19 18:11:01 -07:00 committed by Philipp Zabel
parent e5e8690ff0
commit 03085911d7
2 changed files with 7 additions and 0 deletions
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6
drivers/gpu/ipu-v3/ipu-cpmem.c
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@ -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);

1
include/video/imx-ipu-v3.h
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@ -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,