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authorAlex Deucher <alexander.deucher@amd.com>2013-01-18 13:05:39 -0500
committerAlex Deucher <alexander.deucher@amd.com>2013-01-31 16:24:49 -0500
commit410a3418a88cc1273a281d347687f736fc39dd86 (patch)
tree9057195495a9f1ae1fa128c27b0fdfb09077d224 /drivers/gpu/drm/radeon/evergreen.c
parent9ff0744c6d7745c331a484a937160f4c2c056923 (diff)
drm/radeon: add a bios scratch asic hung helper
Used by all asic families from r600+. Flag for the vbios and later instances of the driver that the GPU is hung. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/evergreen.c')
-rw-r--r--drivers/gpu/drm/radeon/evergreen.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index a1e12bf2d0f7..dd1d188376bf 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -2433,6 +2433,8 @@ static int evergreen_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask)
dev_info(rdev->dev, "GPU softreset: 0x%08X\n", reset_mask);
+ r600_set_bios_scratch_engine_hung(rdev, true);
+
evergreen_mc_stop(rdev, &save);
if (evergreen_mc_wait_for_idle(rdev)) {
dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
@@ -2448,6 +2450,9 @@ static int evergreen_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask)
udelay(50);
evergreen_mc_resume(rdev, &save);
+
+ r600_set_bios_scratch_engine_hung(rdev, false);
+
return 0;
}