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mdss: mdp3: Remove scaling by 1 for ppp composition

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Scaling by 1 logic was complicated. After trying to understand
what use cases we were preventing with this check, we verified that
ppp is actually able to handle scaling by 1 with hw team. There
is no need for this check.

Change-Id: I9f3cda5e61740fffdbda92dc768a98796b9a8238
Signed-off-by: Terence Hampson <thampson@codeaurora.org>
This commit is contained in:
Terence Hampson 2014-06-03 18:00:03 -04:00 • committed by David Keitel
parent fe3b4ba16e
commit 6d5c46be58
1 changed files with 0 additions and 18 deletions
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18
drivers/video/fbdev/msm/mdp3_ppp.c
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@ -865,24 +865,6 @@ int mdp3_ppp_start_blit(struct msm_fb_data_type *mfd,
if (unlikely(req->dst_rect.h == 0 || req->dst_rect.w == 0)) if (unlikely(req->dst_rect.h == 0 || req->dst_rect.w == 0))
return 0; return 0;
if (req->flags & MDP_ROT_90) {
if (((req->dst_rect.h == 1) && ((req->src_rect.w != 1) ||
(req->dst_rect.w == req->src_rect.h))) ||
((req->dst_rect.w == 1) && ((req->src_rect.h != 1) ||
(req->dst_rect.h == req->src_rect.w)))) {
pr_err("mdp_ppp: error scaling when size is 1!\n");
return -EINVAL;
}
} else {
if (((req->dst_rect.w == 1) && ((req->src_rect.w != 1) ||
(req->dst_rect.h == req->src_rect.h))) ||
((req->dst_rect.h == 1) && ((req->src_rect.h != 1) ||
(req->dst_rect.w == req->src_rect.w)))) {
pr_err("mdp_ppp: error scaling when size is 1!\n");
return -EINVAL;
}
}
/* MDP width split workaround */ /* MDP width split workaround */
remainder = (req->dst_rect.w) % 16; remainder = (req->dst_rect.w) % 16;
ret = ppp_get_bpp(req->dst.format, mfd->fb_imgType); ret = ppp_get_bpp(req->dst.format, mfd->fb_imgType);