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| author | Jack Yen <jyen@ti.com> | 2012-08-28 14:18:17 -0500 |
|---|---|---|
| committer | Ziyann <jaraidaniel@gmail.com> | 2014-10-01 13:00:58 +0200 |
| commit | 499b218857cc6e2828bed4b525fa265961b3ef9e (patch) | |
| tree | dafc3469f7e6c210ea33456b1ec4211308603ba1 /drivers/misc | |
| parent | ef96ce02344320038a5fc492e9672770ef3cee00 (diff) | |
| download | kernel_samsung_tuna-499b218857cc6e2828bed4b525fa265961b3ef9e.zip kernel_samsung_tuna-499b218857cc6e2828bed4b525fa265961b3ef9e.tar.gz kernel_samsung_tuna-499b218857cc6e2828bed4b525fa265961b3ef9e.tar.bz2 | |
gcx: change uvshift for NV12 rotation to work properly
90/270 degree rotation is fixed by adjusting the uv plane
address to get the proper uvplane starting address after the
rotation.
Change-Id: I350b83a77bd80efef6d470a30a46386c53628082
Signed-off-by: Jack Yen <jyen@ti.com>
Diffstat (limited to 'drivers/misc')
| -rw-r--r-- | drivers/misc/gcx/gcbv/gcblit.c | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/drivers/misc/gcx/gcbv/gcblit.c b/drivers/misc/gcx/gcbv/gcblit.c index 6928a90..4ff6ba1 100644 --- a/drivers/misc/gcx/gcbv/gcblit.c +++ b/drivers/misc/gcx/gcbv/gcblit.c @@ -660,11 +660,24 @@ enum bverror do_blit(struct bvbltparams *bvbltparams, if (srcinfo->format->format == GCREG_DE_FORMAT_NV12) { struct gcmoxsrcyuv *gcmoxsrcyuv; - int uvshift; + int uvshift = srcbyteshift; + + /* add fixed offset from Y plane */ + switch (srcinfo->angle) { + case ROT_ANGLE_0: + case ROT_ANGLE_180: + uvshift += srcinfo->geom->virtstride * + srcinfo->geom->height; + break; + case ROT_ANGLE_90: + case ROT_ANGLE_270: + /* NV12 has stride requirement of actual stride + 32 + * Changing the UV plane address for rotation */ + uvshift += (srcinfo->geom->virtstride) * + srcinfo->geom->width; + break; + } - uvshift = srcbyteshift - + srcinfo->geom->virtstride - * srcinfo->geom->height; GCDBG(GCZONE_SURF, " uvshift = 0x%08X (%d)\n", uvshift, uvshift); |