From 8b9c3d5099b265892ab3578bc757d9b81e5655a6 Mon Sep 17 00:00:00 2001 From: Steve Longerbeam Date: Sat, 17 Sep 2016 12:33:57 -0700 Subject: [PATCH] gpu: ipu-v3: Add ipu_rot_mode_is_irt() Add a macro that returns boolean true if the given ipu_rotate_mode requires the use of the Image Rotator. Signed-off-by: Steve Longerbeam Signed-off-by: Philipp Zabel --- drivers/gpu/ipu-v3/ipu-ic.c | 2 +- include/video/imx-ipu-v3.h | 22 +++++++++++++++------- 2 files changed, 16 insertions(+), 8 deletions(-) diff --git a/drivers/gpu/ipu-v3/ipu-ic.c b/drivers/gpu/ipu-v3/ipu-ic.c index 1a37afcd85bd..321eb983c2f5 100644 --- a/drivers/gpu/ipu-v3/ipu-ic.c +++ b/drivers/gpu/ipu-v3/ipu-ic.c @@ -619,7 +619,7 @@ int ipu_ic_task_idma_init(struct ipu_ic *ic, struct ipuv3_channel *channel, ipu_ic_write(ic, ic_idmac_2, IC_IDMAC_2); ipu_ic_write(ic, ic_idmac_3, IC_IDMAC_3); - if (rot >= IPU_ROTATE_90_RIGHT) + if (ipu_rot_mode_is_irt(rot)) ic->rotation = true; unlock: diff --git a/include/video/imx-ipu-v3.h b/include/video/imx-ipu-v3.h index 1a3f7d4811fc..173073eb6aaf 100644 --- a/include/video/imx-ipu-v3.h +++ b/include/video/imx-ipu-v3.h @@ -63,17 +63,25 @@ enum ipu_csi_dest { /* * Enumeration of IPU rotation modes */ +#define IPU_ROT_BIT_VFLIP (1 << 0) +#define IPU_ROT_BIT_HFLIP (1 << 1) +#define IPU_ROT_BIT_90 (1 << 2) + enum ipu_rotate_mode { IPU_ROTATE_NONE = 0, - IPU_ROTATE_VERT_FLIP, - IPU_ROTATE_HORIZ_FLIP, - IPU_ROTATE_180, - IPU_ROTATE_90_RIGHT, - IPU_ROTATE_90_RIGHT_VFLIP, - IPU_ROTATE_90_RIGHT_HFLIP, - IPU_ROTATE_90_LEFT, + IPU_ROTATE_VERT_FLIP = IPU_ROT_BIT_VFLIP, + IPU_ROTATE_HORIZ_FLIP = IPU_ROT_BIT_HFLIP, + IPU_ROTATE_180 = (IPU_ROT_BIT_VFLIP | IPU_ROT_BIT_HFLIP), + IPU_ROTATE_90_RIGHT = IPU_ROT_BIT_90, + IPU_ROTATE_90_RIGHT_VFLIP = (IPU_ROT_BIT_90 | IPU_ROT_BIT_VFLIP), + IPU_ROTATE_90_RIGHT_HFLIP = (IPU_ROT_BIT_90 | IPU_ROT_BIT_HFLIP), + IPU_ROTATE_90_LEFT = (IPU_ROT_BIT_90 | + IPU_ROT_BIT_VFLIP | IPU_ROT_BIT_HFLIP), }; +/* 90-degree rotations require the IRT unit */ +#define ipu_rot_mode_is_irt(m) (((m) & IPU_ROT_BIT_90) != 0) + enum ipu_color_space { IPUV3_COLORSPACE_RGB, IPUV3_COLORSPACE_YUV, -- 2.20.1