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| author | Dave Airlie <airlied@redhat.com> | 2014-03-27 02:31:08 +0000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2014-03-28 12:27:25 +1000 |
| commit | c53c6beddc0ebb6feb5d64488c2c0cd23dd7f43d (patch) | |
| tree | cf467d9de5d6cbc67d3966588595d232dc8c0252 /drivers | |
| parent | adbbdbac04f093c0abf946b1e93e4e5291808491 (diff) | |
| download | linux-c53c6beddc0ebb6feb5d64488c2c0cd23dd7f43d.tar.gz linux-c53c6beddc0ebb6feb5d64488c2c0cd23dd7f43d.tar.bz2 linux-c53c6beddc0ebb6feb5d64488c2c0cd23dd7f43d.zip | |
drm/radeon: fix runtime suspend breaking secondary GPUs
Same fix as for nouveau, when we fail with EINVAL, subsequent
gets fail hard, causing the device not to open.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_drv.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c index 84a1bbb75f91..f633c2782170 100644 --- a/drivers/gpu/drm/radeon/radeon_drv.c +++ b/drivers/gpu/drm/radeon/radeon_drv.c @@ -403,11 +403,15 @@ static int radeon_pmops_runtime_suspend(struct device *dev) struct drm_device *drm_dev = pci_get_drvdata(pdev); int ret; - if (radeon_runtime_pm == 0) - return -EINVAL; + if (radeon_runtime_pm == 0) { + pm_runtime_forbid(dev); + return -EBUSY; + } - if (radeon_runtime_pm == -1 && !radeon_is_px()) - return -EINVAL; + if (radeon_runtime_pm == -1 && !radeon_is_px()) { + pm_runtime_forbid(dev); + return -EBUSY; + } drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING; drm_kms_helper_poll_disable(drm_dev); @@ -456,12 +460,15 @@ static int radeon_pmops_runtime_idle(struct device *dev) struct drm_device *drm_dev = pci_get_drvdata(pdev); struct drm_crtc *crtc; - if (radeon_runtime_pm == 0) + if (radeon_runtime_pm == 0) { + pm_runtime_forbid(dev); return -EBUSY; + } /* are we PX enabled? */ if (radeon_runtime_pm == -1 && !radeon_is_px()) { DRM_DEBUG_DRIVER("failing to power off - not px\n"); + pm_runtime_forbid(dev); return -EBUSY; } |