diff options
| author | Fancy Fang <chen.fang@freescale.com> | 2014-07-17 12:35:59 +0800 |
|---|---|---|
| committer | Fancy Fang <chen.fang@freescale.com> | 2014-07-18 09:14:30 +0800 |
| commit | 954e1ef80e9874a4790ce7d4b5b277e8c756bfde (patch) | |
| tree | e02b3b1dd3a0ee885fc36804cd5e6fa248c181ba | |
| parent | 3bea30ff471c8fc1e546be26a8625e6aa425d5aa (diff) | |
ENGR00323172 EPDC: there will be garbage when doing rotation unit test
Just as what the V4L2 PXP does, we should pass the drect
w/h and output w/h accroding to the rotation angle.
Signed-off-by: Fancy Fang <chen.fang@freescale.com>
(cherry picked from commit bf95e3ee4131ce3ee78050f098704588766e8b07)
| -rw-r--r-- | drivers/video/mxc/mxc_epdc_fb.c | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/drivers/video/mxc/mxc_epdc_fb.c b/drivers/video/mxc/mxc_epdc_fb.c index e536e781db9e..6d4afe5e4cb7 100644 --- a/drivers/video/mxc/mxc_epdc_fb.c +++ b/drivers/video/mxc/mxc_epdc_fb.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2010-2013 Freescale Semiconductor, Inc. + * Copyright (C) 2010-2014 Freescale Semiconductor, Inc. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -5330,21 +5330,26 @@ static int pxp_process_update(struct mxc_epdc_fb_data *fb_data, */ proc_data->drect.top = 0; proc_data->drect.left = 0; - proc_data->drect.width = proc_data->srect.width; - proc_data->drect.height = proc_data->srect.height; /* PXP expects rotation in terms of degrees */ proc_data->rotate = fb_data->epdc_fb_var.rotate * 90; if (proc_data->rotate > 270) proc_data->rotate = 0; - pxp_conf->out_param.width = update_region->width; - pxp_conf->out_param.height = update_region->height; - - if ((proc_data->rotate == 90) || (proc_data->rotate == 270)) + /* Just as V4L2 PXP, we should pass the rotated values to PXP */ + if ((proc_data->rotate == 90) || (proc_data->rotate == 270)) { + proc_data->drect.width = proc_data->srect.height; + proc_data->drect.height = proc_data->srect.width; + pxp_conf->out_param.width = update_region->height; + pxp_conf->out_param.height = update_region->width; pxp_conf->out_param.stride = update_region->height; - else + } else { + proc_data->drect.width = proc_data->srect.width; + proc_data->drect.height = proc_data->srect.height; + pxp_conf->out_param.width = update_region->width; + pxp_conf->out_param.height = update_region->height; pxp_conf->out_param.stride = update_region->width; + } /* For EPDC v2.0, we need output to be 64-bit * aligned since EPDC stride does not work. */ |