diff options
| author | Olof Johansson <olof@lixom.net> | 2011-12-22 09:22:58 -0800 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2011-12-22 09:22:58 -0800 |
| commit | 53bf82ce766b17436a6e9c672f9fa29702f3731e (patch) | |
| tree | 50547bbc8d5c9f9156f1220b712a99e48dbaf43f /drivers/gpu/drm/radeon/rs600.c | |
| parent | 5e8d3183bb605a937fc89b857691f75682aa099e (diff) | |
| parent | 4a4de1d9b47156525ceb46c7faf6ae4042d90aa7 (diff) | |
Merge branch 'omap/fixes-hwmod' into next/fixes-non-critical
* omap/fixes-hwmod: (359 commits)
ARM: OMAP: hwmod data: fix the panic on Nokia RM-680 during boot
ARM: OMAP: hwmod data: fix iva and mailbox hwmods for OMAP 3
ARM: OMAP: rx51: fix USB
ARM: OMAP: mcbsp: Fix possible memory corruption
...
Diffstat (limited to 'drivers/gpu/drm/radeon/rs600.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/rs600.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c index 481b99e89f65..b1053d640423 100644 --- a/drivers/gpu/drm/radeon/rs600.c +++ b/drivers/gpu/drm/radeon/rs600.c @@ -62,6 +62,7 @@ u32 rs600_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base) { struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id]; u32 tmp = RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset); + int i; /* Lock the graphics update lock */ tmp |= AVIVO_D1GRPH_UPDATE_LOCK; @@ -74,7 +75,11 @@ u32 rs600_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base) (u32)crtc_base); /* Wait for update_pending to go high. */ - while (!(RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING)); + for (i = 0; i < rdev->usec_timeout; i++) { + if (RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING) + break; + udelay(1); + } DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n"); /* Unlock the lock, so double-buffering can take place inside vblank */ |