diff options
Diffstat (limited to 'drivers/gpu/drm/via/via_dma.c')
-rw-r--r-- | drivers/gpu/drm/via/via_dma.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/gpu/drm/via/via_dma.c b/drivers/gpu/drm/via/via_dma.c index 7a339dba6a69..bfb92d283260 100644 --- a/drivers/gpu/drm/via/via_dma.c +++ b/drivers/gpu/drm/via/via_dma.c | |||
@@ -481,11 +481,13 @@ static int via_wait_idle(drm_via_private_t * dev_priv) | |||
481 | { | 481 | { |
482 | int count = 10000000; | 482 | int count = 10000000; |
483 | 483 | ||
484 | while (!(VIA_READ(VIA_REG_STATUS) & VIA_VR_QUEUE_BUSY) && count--); | 484 | while (!(VIA_READ(VIA_REG_STATUS) & VIA_VR_QUEUE_BUSY) && --count) |
485 | ; | ||
485 | 486 | ||
486 | while (count-- && (VIA_READ(VIA_REG_STATUS) & | 487 | while (count && (VIA_READ(VIA_REG_STATUS) & |
487 | (VIA_CMD_RGTR_BUSY | VIA_2D_ENG_BUSY | | 488 | (VIA_CMD_RGTR_BUSY | VIA_2D_ENG_BUSY | |
488 | VIA_3D_ENG_BUSY))) ; | 489 | VIA_3D_ENG_BUSY))) |
490 | --count; | ||
489 | return count; | 491 | return count; |
490 | } | 492 | } |
491 | 493 | ||
@@ -705,7 +707,7 @@ static int via_cmdbuf_size(struct drm_device *dev, void *data, struct drm_file * | |||
705 | switch (d_siz->func) { | 707 | switch (d_siz->func) { |
706 | case VIA_CMDBUF_SPACE: | 708 | case VIA_CMDBUF_SPACE: |
707 | while (((tmp_size = via_cmdbuf_space(dev_priv)) < d_siz->size) | 709 | while (((tmp_size = via_cmdbuf_space(dev_priv)) < d_siz->size) |
708 | && count--) { | 710 | && --count) { |
709 | if (!d_siz->wait) { | 711 | if (!d_siz->wait) { |
710 | break; | 712 | break; |
711 | } | 713 | } |
@@ -717,7 +719,7 @@ static int via_cmdbuf_size(struct drm_device *dev, void *data, struct drm_file * | |||
717 | break; | 719 | break; |
718 | case VIA_CMDBUF_LAG: | 720 | case VIA_CMDBUF_LAG: |
719 | while (((tmp_size = via_cmdbuf_lag(dev_priv)) > d_siz->size) | 721 | while (((tmp_size = via_cmdbuf_lag(dev_priv)) > d_siz->size) |
720 | && count--) { | 722 | && --count) { |
721 | if (!d_siz->wait) { | 723 | if (!d_siz->wait) { |
722 | break; | 724 | break; |
723 | } | 725 | } |