aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/radeon/evergreen.c
diff options
context:
space:
mode:
authorThomas Gleixner <tglx@linutronix.de>2011-01-31 15:08:43 +0100
committerThomas Gleixner <tglx@linutronix.de>2011-01-31 15:09:14 +0100
commit51563cd53c4b1c1790fccd2e0af0e2b756589af9 (patch)
treed2fedfc654ab4fa011feaca262f95481a89e232a /drivers/gpu/drm/radeon/evergreen.c
parentd123375425d7df4b6081a631fc1203fceafa59b2 (diff)
parent8161239a8bcce9ad6b537c04a1fa3b5c68bae693 (diff)
downloadkernel_samsung_smdk4412-51563cd53c4b1c1790fccd2e0af0e2b756589af9.tar.gz
kernel_samsung_smdk4412-51563cd53c4b1c1790fccd2e0af0e2b756589af9.tar.bz2
kernel_samsung_smdk4412-51563cd53c4b1c1790fccd2e0af0e2b756589af9.zip
Merge branch 'tip/rtmutex' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace into core/locking
*git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace tip/rtmutex: rtmutex: Simplify PI algorithm and make highest prio task get lock
Diffstat (limited to 'drivers/gpu/drm/radeon/evergreen.c')
-rw-r--r--drivers/gpu/drm/radeon/evergreen.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index a8973acb398..677af91b555 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -2201,6 +2201,9 @@ static int evergreen_gpu_soft_reset(struct radeon_device *rdev)
struct evergreen_mc_save save;
u32 grbm_reset = 0;
+ if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE))
+ return 0;
+
dev_info(rdev->dev, "GPU softreset \n");
dev_info(rdev->dev, " GRBM_STATUS=0x%08X\n",
RREG32(GRBM_STATUS));