Hi Patrik,
FYI, there are coccinelle warnings in
tree: git://github.com/patjak/drm-gma500 blitter_hacking
head: c0f1cbb1b1991f5dbb18be5f4c8d04d5b0addb79
commit: c0f1cbb1b1991f5dbb18be5f4c8d04d5b0addb79 [10/10] drm/gma500: Add
blitter submit ioctl
>> drivers/gpu/drm/gma500/blitter.c:97:2-8: preceding lock on line 78
git remote add drm-gma500 git://github.com/patjak/drm-gma500
git remote update drm-gma500
git checkout c0f1cbb1b1991f5dbb18be5f4c8d04d5b0addb79
vim +97 drivers/gpu/drm/gma500/blitter.c
c0f1cbb1 Patrik Jakobsson 2014-02-07 72 {
c0f1cbb1 Patrik Jakobsson 2014-02-07 73 int ret = 0;
c0f1cbb1 Patrik Jakobsson 2014-02-07 74 int i;
c0f1cbb1 Patrik Jakobsson 2014-02-07 75 unsigned submit_size;
c0f1cbb1 Patrik Jakobsson 2014-02-07 76 unsigned long flags;
c0f1cbb1 Patrik Jakobsson 2014-02-07 77
c0f1cbb1 Patrik Jakobsson 2014-02-07 @78
spin_lock_irqsave(&dev_priv->lock_2d, flags);
c0f1cbb1 Patrik Jakobsson 2014-02-07 79
c0f1cbb1 Patrik Jakobsson 2014-02-07 80 while (size > 0) {
c0f1cbb1 Patrik Jakobsson 2014-02-07 81 submit_size = (size <
0x60) ? size : 0x60;
c0f1cbb1 Patrik Jakobsson 2014-02-07 82 size -= submit_size;
c0f1cbb1 Patrik Jakobsson 2014-02-07 83 ret =
gma_blt_wait_available(dev_priv, submit_size);
c0f1cbb1 Patrik Jakobsson 2014-02-07 84 submit_size <<= 2;
c0f1cbb1 Patrik Jakobsson 2014-02-07 85
c0f1cbb1 Patrik Jakobsson 2014-02-07 86 for (i = 0; i <
submit_size; i += 4) {
c0f1cbb1 Patrik Jakobsson 2014-02-07 87
PSB_WSGX32(*cmdbuf++, PSB_SGX_2D_SLAVE_PORT + i);
c0f1cbb1 Patrik Jakobsson 2014-02-07 88 }
c0f1cbb1 Patrik Jakobsson 2014-02-07 89
c0f1cbb1 Patrik Jakobsson 2014-02-07 90
(void)PSB_RSGX32(PSB_SGX_2D_SLAVE_PORT + i - 4);
c0f1cbb1 Patrik Jakobsson 2014-02-07 91 }
c0f1cbb1 Patrik Jakobsson 2014-02-07 92
c0f1cbb1 Patrik Jakobsson 2014-02-07 93 /* We currently sync our blits
here */
c0f1cbb1 Patrik Jakobsson 2014-02-07 94 ret =
gma_blt_wait_idle(dev_priv);
c0f1cbb1 Patrik Jakobsson 2014-02-07 95 if (ret) {
c0f1cbb1 Patrik Jakobsson 2014-02-07 96
DRM_ERROR_DRIVER("Blitter hang!");
c0f1cbb1 Patrik Jakobsson 2014-02-07 @97 return ret;
c0f1cbb1 Patrik Jakobsson 2014-02-07 98 }
c0f1cbb1 Patrik Jakobsson 2014-02-07 99
c0f1cbb1 Patrik Jakobsson 2014-02-07 100
spin_unlock_irqrestore(&dev_priv->lock_2d, flags);
---
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