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Commit 03085911 authored by Steve Longerbeam's avatar Steve Longerbeam Committed by Philipp Zabel
Browse files

gpu: ipu-cpmem: Add ipu_cpmem_get_burstsize() 



Adds ipu_cpmem_get_burstsize().

Signed-off-by: default avatarSteve Longerbeam <steve_longerbeam@mentor.com>
Signed-off-by: default avatarPhilipp Zabel <p.zabel@pengutronix.de>
parent e5e8690f

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

+6 −0
Original line number Diff line number Diff line
@@ -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);

include/video/imx-ipu-v3.h

+1 −0
Original line number Diff line number Diff line
@@ -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,