diff options
| author | Alex Deucher <alexdeucher@gmail.com> | 2010-12-20 12:35:04 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-01-07 13:58:44 -0800 |
| commit | 8b9040e518c730bf0dc1dc329ebb7e43ef0123ce (patch) | |
| tree | 5427d6bbf766d31851e7646d1f96aafd7108ee5d | |
| parent | 9d2510f79d714b1732971709edad695859ee0781 (diff) | |
drm/radeon/kms/evergreen: reset the grbm blocks at resume and init
commit 86f5c9edbb3bac37cc8cee6528a929005ba72aad upstream.
This fixes module reloading and resume as the gfx block seems to
be left in a bad state in some cases.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| -rw-r--r-- | drivers/gpu/drm/radeon/evergreen.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index 2f93d46ae69a..ef8bbd97cd08 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -2097,6 +2097,11 @@ int evergreen_resume(struct radeon_device *rdev) { int r; + /* reset the asic, the gfx blocks are often in a bad state + * after the driver is unloaded or after a resume + */ + if (radeon_asic_reset(rdev)) + dev_warn(rdev->dev, "GPU reset failed !\n"); /* Do not reset GPU before posting, on rv770 hw unlike on r500 hw, * posting will perform necessary task to bring back GPU into good * shape. @@ -2193,6 +2198,11 @@ int evergreen_init(struct radeon_device *rdev) r = radeon_atombios_init(rdev); if (r) return r; + /* reset the asic, the gfx blocks are often in a bad state + * after the driver is unloaded or after a resume + */ + if (radeon_asic_reset(rdev)) + dev_warn(rdev->dev, "GPU reset failed !\n"); /* Post card if necessary */ if (!evergreen_card_posted(rdev)) { if (!rdev->bios) { |