Prevent runtime suspend of non-PX GPUs. Runtime suspend is not what we want in those cases.

Signed-off-by: Alex Deucher alexander.deucher@amd.com Cc: stable@vger.kernel.org --- drivers/gpu/drm/radeon/radeon_drv.c | 6 ++++++ 1 file changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c index 1235a78f..ec8c388 100644 --- a/drivers/gpu/drm/radeon/radeon_drv.c +++ b/drivers/gpu/drm/radeon/radeon_drv.c @@ -405,6 +405,9 @@ static int radeon_pmops_runtime_suspend(struct device *dev) if (radeon_runtime_pm == 0) return -EINVAL;

+ if (radeon_runtime_pm == -1 && !radeon_is_px()) + return -EINVAL; + drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING; drm_kms_helper_poll_disable(drm_dev); vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_OFF); @@ -427,6 +430,9 @@ static int radeon_pmops_runtime_resume(struct device *dev) if (radeon_runtime_pm == 0) return -EINVAL;

+ if (radeon_runtime_pm == -1 && !radeon_is_px()) + return -EINVAL; + drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;

pci_set_power_state(pdev, PCI_D0);