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    Subject[PATCH 03/16] gpu: ipu-cpmem: Add ipu_cpmem_get_burstsize()
    Date
    Adds ipu_cpmem_get_burstsize().

    Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com>
    ---
    drivers/gpu/ipu-v3/ipu-cpmem.c | 6 ++++++
    include/video/imx-ipu-v3.h | 1 +
    2 files changed, 7 insertions(+)

    diff --git a/drivers/gpu/ipu-v3/ipu-cpmem.c b/drivers/gpu/ipu-v3/ipu-cpmem.c
    index a36c35e..fcb7dc8 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 904fd12..60540ead 100644
    --- a/include/video/imx-ipu-v3.h
    +++ b/include/video/imx-ipu-v3.h
    @@ -197,6 +197,7 @@ 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,
    --
    1.9.1
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