From 03085911d7bbe1132977302fe45ec4efea29cd3d Mon Sep 17 00:00:00 2001 From: Steve Longerbeam Date: Tue, 19 Jul 2016 18:11:01 -0700 Subject: [PATCH] gpu: ipu-cpmem: Add ipu_cpmem_get_burstsize() Adds ipu_cpmem_get_burstsize(). Signed-off-by: Steve Longerbeam Signed-off-by: Philipp Zabel --- 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 69c8658..8c4312d 100644 --- a/include/video/imx-ipu-v3.h +++ b/include/video/imx-ipu-v3.h @@ -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, -- 2.7.4