gpu: ipu-cpmem: Add ipu_cpmem_set_block_mode()

Adds ipu_cpmem_set_block_mode().
Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>

drivers/gpu/ipu-v3/ipu-cpmem.c

@@ -260,6 +260,12 @@ void ipu_cpmem_set_burstsize(struct ipuv3_channel *ch, int burstsize)
 };
 EXPORT_SYMBOL_GPL(ipu_cpmem_set_burstsize);
 
+void ipu_cpmem_set_block_mode(struct ipuv3_channel *ch)
+{
+	ipu_ch_param_write_field(ch, IPU_FIELD_BM, 1);
+}
+EXPORT_SYMBOL_GPL(ipu_cpmem_set_block_mode);
+
 int ipu_cpmem_set_format_rgb(struct ipuv3_channel *ch,
 			     const struct ipu_rgb *rgb)
 {

include/video/imx-ipu-v3.h

@@ -195,6 +195,7 @@ void ipu_cpmem_set_high_priority(struct ipuv3_channel *ch);
 void ipu_cpmem_set_buffer(struct ipuv3_channel *ch, int bufnum, dma_addr_t buf);
 void ipu_cpmem_interlaced_scan(struct ipuv3_channel *ch, int stride);
 void ipu_cpmem_set_burstsize(struct ipuv3_channel *ch, int burstsize);
+void ipu_cpmem_set_block_mode(struct ipuv3_channel *ch);
 int ipu_cpmem_set_format_rgb(struct ipuv3_channel *ch,
 			     const struct ipu_rgb *rgb);
 int ipu_cpmem_set_format_passthrough(struct ipuv3_channel *ch, int width);