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Commit 9babd35a authored by Alex Deucher's avatar Alex Deucher
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drm/radeon/runpm: don't runtime suspend non-PX cards 



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

Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
parent 1d784167

drivers/gpu/drm/radeon/radeon_drv.c

+6 −0
Original line number Diff line number Diff line
@@ -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);