linux-kernel - [PATCH v2 02/13] gpu: ipu-cpmem: Add ipu_cpmem_set_uv

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Tue, 19 Jul 2016 18:11:00 -0700
From:	Steve Longerbeam <slongerbeam@...il.com>
To:	p.zabel@...gutronix.de, plagnioj@...osoft.com,
	tomi.valkeinen@...com
Cc:	dri-devel@...ts.freedesktop.org, linux-fbdev@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Steve Longerbeam <steve_longerbeam@...tor.com>
Subject: [PATCH v2 02/13] gpu: ipu-cpmem: Add ipu_cpmem_set_uv_offset()

Adds ipu_cpmem_set_uv_offset(), to set planar U/V offsets.

Signed-off-by: Steve Longerbeam <steve_longerbeam@...tor.com>
---
 drivers/gpu/ipu-v3/ipu-cpmem.c | 7 +++++++
 include/video/imx-ipu-v3.h     | 1 +
 2 files changed, 8 insertions(+)

diff --git a/drivers/gpu/ipu-v3/ipu-cpmem.c b/drivers/gpu/ipu-v3/ipu-cpmem.c
index 6494a4d..a36c35e 100644
--- a/drivers/gpu/ipu-v3/ipu-cpmem.c
+++ b/drivers/gpu/ipu-v3/ipu-cpmem.c
@@ -253,6 +253,13 @@ void ipu_cpmem_set_buffer(struct ipuv3_channel *ch, int bufnum, dma_addr_t buf)
 }
 EXPORT_SYMBOL_GPL(ipu_cpmem_set_buffer);
 
+void ipu_cpmem_set_uv_offset(struct ipuv3_channel *ch, u32 u_off, u32 v_off)
+{
+	ipu_ch_param_write_field(ch, IPU_FIELD_UBO, u_off / 8);
+	ipu_ch_param_write_field(ch, IPU_FIELD_VBO, v_off / 8);
+}
+EXPORT_SYMBOL_GPL(ipu_cpmem_set_uv_offset);
+
 void ipu_cpmem_interlaced_scan(struct ipuv3_channel *ch, int stride)
 {
 	ipu_ch_param_write_field(ch, IPU_FIELD_SO, 1);
diff --git a/include/video/imx-ipu-v3.h b/include/video/imx-ipu-v3.h
index a7a28db..48c8dc5 100644
--- a/include/video/imx-ipu-v3.h
+++ b/include/video/imx-ipu-v3.h
@@ -194,6 +194,7 @@ void ipu_cpmem_set_resolution(struct ipuv3_channel *ch, int xres, int yres);
 void ipu_cpmem_set_stride(struct ipuv3_channel *ch, int stride);
 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_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);
 void ipu_cpmem_set_burstsize(struct ipuv3_channel *ch, int burstsize);
-- 
1.9.1