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| author | Steve Longerbeam <slongerbeam@gmail.com> | 2016-09-17 21:33:57 +0200 |
|---|---|---|
| committer | Philipp Zabel <p.zabel@pengutronix.de> | 2016-09-19 08:30:14 +0200 |
| commit | 8b9c3d5099b265892ab3578bc757d9b81e5655a6 (patch) | |
| tree | 89b2978f9d5a25bb77dac69bc9370cdbc50e54eb | |
| parent | gpu: ipu-v3: fix a possible NULL dereference (diff) | |
| download | linux-8b9c3d5099b265892ab3578bc757d9b81e5655a6.tar.xz linux-8b9c3d5099b265892ab3578bc757d9b81e5655a6.zip | |
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 <steve_longerbeam@mentor.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
| -rw-r--r-- | drivers/gpu/ipu-v3/ipu-ic.c | 2 | ||||
| -rw-r--r-- | 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, |