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gpu: ipu-cpmem: Add ipu_cpmem_get_burstsize()
[platform/kernel/linux-rpi.git]
/
drivers
/
gpu
/
ipu-v3
/
ipu-cpmem.c
diff --git
a/drivers/gpu/ipu-v3/ipu-cpmem.c
b/drivers/gpu/ipu-v3/ipu-cpmem.c
index
a36c35e
..
fcb7dc8
100644
(file)
--- 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);
}
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);
void ipu_cpmem_set_burstsize(struct ipuv3_channel *ch, int burstsize)
{
ipu_ch_param_write_field(ch, IPU_FIELD_NPB, burstsize - 1);