From c9d508c2df04af001c62e4fe86593aabe42ae718 Mon Sep 17 00:00:00 2001
From: Philipp Zabel
Date: Tue, 18 Oct 2016 13:36:33 +0200
Subject: [PATCH] gpu: ipu-v3: add YUV 4:4:4 support
The IDMAC does support reading and writing DRM_FORMAT_YUV444 and
DRM_FORMAT_YVU444.
Signed-off-by: Philipp Zabel
Acked-by: Liu Ying
---
drivers/gpu/ipu-v3/ipu-common.c | 2 ++
drivers/gpu/ipu-v3/ipu-cpmem.c | 7 +++++++
2 files changed, 9 insertions(+)
diff --git a/drivers/gpu/ipu-v3/ipu-common.c b/drivers/gpu/ipu-v3/ipu-common.c
index b9539f7c5e9a..b7d7bd6e3d60 100644
--- a/drivers/gpu/ipu-v3/ipu-common.c
+++ b/drivers/gpu/ipu-v3/ipu-common.c
@@ -88,6 +88,8 @@ enum ipu_color_space ipu_drm_fourcc_to_colorspace(u32 drm_fourcc)
case DRM_FORMAT_YVU420:
case DRM_FORMAT_YUV422:
case DRM_FORMAT_YVU422:
+ case DRM_FORMAT_YUV444:
+ case DRM_FORMAT_YVU444:
case DRM_FORMAT_NV12:
case DRM_FORMAT_NV21:
case DRM_FORMAT_NV16:
diff --git a/drivers/gpu/ipu-v3/ipu-cpmem.c b/drivers/gpu/ipu-v3/ipu-cpmem.c
index f3ca1d6c02d0..4b2b67113d92 100644
--- a/drivers/gpu/ipu-v3/ipu-cpmem.c
+++ b/drivers/gpu/ipu-v3/ipu-cpmem.c
@@ -554,6 +554,13 @@ int ipu_cpmem_set_fmt(struct ipuv3_channel *ch, u32 drm_fourcc)
/* burst size */
ipu_ch_param_write_field(ch, IPU_FIELD_NPB, 31);
break;
+ case DRM_FORMAT_YUV444:
+ case DRM_FORMAT_YVU444:
+ /* pix format */
+ ipu_ch_param_write_field(ch, IPU_FIELD_PFS, 0);
+ /* burst size */
+ ipu_ch_param_write_field(ch, IPU_FIELD_NPB, 31);
+ break;
case DRM_FORMAT_NV12:
/* pix format */
ipu_ch_param_write_field(ch, IPU_FIELD_PFS, 4);
--
2.20.1