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| author | Mathias Agopian <mathias@google.com> | 2012-04-18 16:36:27 -0700 |
|---|---|---|
| committer | Mathias Agopian <mathias@google.com> | 2012-04-18 16:36:27 -0700 |
| commit | 1a45d7e2f85f1e3f3eeef590aa52316376055440 (patch) | |
| tree | f76cd16ff97c64dcd530f606b66b13dc9bfcf068 /hwc | |
| parent | d3ed7e4851d939d3952be692930bfd13556b26ac (diff) | |
| download | hardware_ti_omap4xxx-1a45d7e2f85f1e3f3eeef590aa52316376055440.zip hardware_ti_omap4xxx-1a45d7e2f85f1e3f3eeef590aa52316376055440.tar.gz hardware_ti_omap4xxx-1a45d7e2f85f1e3f3eeef590aa52316376055440.tar.bz2 | |
WORKAROUND for Bug:5965421
looks like certain scaling factor cause the overlay engine to go all black.
Limit the vertical downsampling to 4x instead of 8x
Change-Id: I9034fb99b64c6936059970553b24eba5c941ebdd
Diffstat (limited to 'hwc')
| -rw-r--r-- | hwc/hwc.c | 4 |
1 files changed, 4 insertions, 0 deletions
@@ -724,6 +724,10 @@ static int omap4_hwc_can_scale(__u32 src_w, __u32 src_h, __u32 dst_w, __u32 dst_ /* NOTE: no support for checking YUV422 layers that are tricky to scale */ + /* FIXME: limit vertical downscale well below theoretical limit as we saw display artifacts */ + if (dst_h < src_h / 4) + return 0; + /* max downscale */ if (dst_h < src_h / limits->max_downscale / (is_2d ? limits->max_ydecim_2d : limits->max_ydecim_1d)) return 0; |