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authorMauro Carvalho Chehab <mchehab@redhat.com>2011-12-30 16:59:37 +0100
committerMauro Carvalho Chehab <mchehab@redhat.com>2011-12-30 16:59:37 +0100
commitb4d48c942c17ce3d3a330ad91e109e522bc97378 (patch)
tree3365292f3a5a502edb51492d011fd326c930ca40 /drivers/gpu/drm/radeon/r100.c
parent[media] tda10021: Add support for DVB-C Annex C (diff)
parentLinux 3.2-rc7 (diff)
downloadlinux-b4d48c942c17ce3d3a330ad91e109e522bc97378.tar.xz
linux-b4d48c942c17ce3d3a330ad91e109e522bc97378.zip
Merge tag 'v3.2-rc7' into staging/for_v3.3
Linux 3.2-rc7 * tag 'v3.2-rc7': (1304 commits) Linux 3.2-rc7 netfilter: xt_connbytes: handle negation correctly Btrfs: call d_instantiate after all ops are setup Btrfs: fix worker lock misuse in find_worker net: relax rcvbuf limits rps: fix insufficient bounds checking in store_rps_dev_flow_table_cnt() net: introduce DST_NOPEER dst flag mqprio: Avoid panic if no options are provided bridge: provide a mtu() method for fake_dst_ops md/bitmap: It is OK to clear bits during recovery. md: don't give up looking for spares on first failure-to-add md/raid5: ensure correct assessment of drives during degraded reshape. md/linear: fix hot-add of devices to linear arrays. sparc64: Fix MSIQ HV call ordering in pci_sun4v_msiq_build_irq(). pata_of_platform: Add missing CONFIG_OF_IRQ dependency. ipv4: using prefetch requires including prefetch.h VFS: Fix race between CPU hotplug and lglocks vfs: __read_cache_page should use gfp argument rather than GFP_KERNEL USB: Fix usb/isp1760 build on sparc net: Add a flow_cache_flush_deferred function ... Conflicts: drivers/media/common/tuners/tda18218.c drivers/media/video/omap3isp/ispccdc.c drivers/staging/media/as102/as102_drv.h
Diffstat (limited to 'drivers/gpu/drm/radeon/r100.c')
-rw-r--r--drivers/gpu/drm/radeon/r100.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index ad158ea49901..bfc08f6320f8 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -187,13 +187,18 @@ u32 r100_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 = ((u32)crtc_base) | RADEON_CRTC_OFFSET__OFFSET_LOCK;
+ int i;
/* Lock the graphics update lock */
/* update the scanout addresses */
WREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset, tmp);
/* Wait for update_pending to go high. */
- while (!(RREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset) & RADEON_CRTC_OFFSET__GUI_TRIG_OFFSET));
+ for (i = 0; i < rdev->usec_timeout; i++) {
+ if (RREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset) & RADEON_CRTC_OFFSET__GUI_TRIG_OFFSET)
+ break;
+ udelay(1);
+ }
DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n");
/* Unlock the lock, so double-buffering can take place inside vblank */