summaryrefslogtreecommitdiff
path: root/drivers/gpu/ipu-v3/ipu-cpmem.c
diff options
context:
space:
mode:
authorSteve Longerbeam <slongerbeam@gmail.com>2014-06-25 18:05:50 -0700
committerPhilipp Zabel <p.zabel@pengutronix.de>2014-09-02 14:55:53 +0200
commit555f0e6690a41245518003c02a1ecb84e4a69281 (patch)
tree53ae6d8e7268f0f8d6cdf3b7d376039d3bd49805 /drivers/gpu/ipu-v3/ipu-cpmem.c
parent9b9da0be37490c77e92a2101a8c5d469ce1102f4 (diff)
gpu: ipu-cpmem: Add ipu_cpmem_set_axi_id()
Adds ipu_cpmem_set_axi_id() to set which AXI bus master the channel will use to transfer data onto AXI bus. Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Diffstat (limited to 'drivers/gpu/ipu-v3/ipu-cpmem.c')
-rw-r--r--drivers/gpu/ipu-v3/ipu-cpmem.c7
1 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 28adf39e4041..2d1b3761f14c 100644
--- a/drivers/gpu/ipu-v3/ipu-cpmem.c
+++ b/drivers/gpu/ipu-v3/ipu-cpmem.c
@@ -254,6 +254,13 @@ void ipu_cpmem_interlaced_scan(struct ipuv3_channel *ch, int stride)
};
EXPORT_SYMBOL_GPL(ipu_cpmem_interlaced_scan);
+void ipu_cpmem_set_axi_id(struct ipuv3_channel *ch, u32 id)
+{
+ id &= 0x3;
+ ipu_ch_param_write_field(ch, IPU_FIELD_ID, id);
+}
+EXPORT_SYMBOL_GPL(ipu_cpmem_set_axi_id);
+
void ipu_cpmem_set_burstsize(struct ipuv3_channel *ch, int burstsize)
{
ipu_ch_param_write_field(ch, IPU_FIELD_NPB, burstsize - 1);