Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 3.13 081/120] drm/radeon/runpm: dont runtime suspend non-PX cards | Date | Tue, 11 Feb 2014 11:05:22 -0800 |
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3.13-stable review patch. If anyone has any objections, please let me know.
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From: Alex Deucher <alexander.deucher@amd.com>
commit 9babd35ad72af631547c7ca294bc2e931cc40e58 upstream.
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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/gpu/drm/radeon/radeon_drv.c | 6 ++++++ 1 file changed, 6 insertions(+)
--- a/drivers/gpu/drm/radeon/radeon_drv.c +++ b/drivers/gpu/drm/radeon/radeon_drv.c @@ -400,6 +400,9 @@ static int radeon_pmops_runtime_suspend( 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); @@ -422,6 +425,9 @@ static int radeon_pmops_runtime_resume(s 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);
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