diff options
| author |   Alex Deucher <alexdeucher@gmail.com> | 2010-12-20 12:35:04 -0500 |
|---|---|---|
| committer |   Dave Airlie <airlied@redhat.com> | 2010-12-21 12:53:05 +1000 |
| commit | 86f5c9edbb3bac37cc8cee6528a929005ba72aad (patch) | |
| tree | b804c064969e5e8a57bff48e8e9985d92e593aa1 /drivers/gpu | |
| parent | drm/radeon/kms: fix evergreen asic reset (diff) | |
| download | linux-dev-86f5c9edbb3bac37cc8cee6528a929005ba72aad.tar.xz linux-dev-86f5c9edbb3bac37cc8cee6528a929005ba72aad.zip | |
drm/radeon/kms/evergreen: reset the grbm blocks at resume and init
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>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu')
| -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 6ced1ba2bee8..7b337c361a12 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -2583,6 +2583,11 @@ 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. @@ -2699,6 +2704,11 @@ 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) { |