Messages in this thread Patch in this message | | | From | Kamal Mostafa <> | Subject | [PATCH 3.13 079/160] drm/radeon: don't allow runpm=1 on systems with out ATPX | Date | Tue, 10 Jun 2014 12:45:19 -0700 |
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3.13.11.3 -stable review patch. If anyone has any objections, please let me know.
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From: Alex Deucher <alexdeucher@gmail.com>
commit 73acacc7397fe854ed2ab75f1c940fa00faaf15e upstream.
vgaswitcheroo and the ATPX ACPI methods are required to power down the dGPU.
bug: https://bugzilla.kernel.org/show_bug.cgi?id=73901
Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Kamal Mostafa <kamal@canonical.com> --- drivers/gpu/drm/radeon/radeon_kms.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c index 9b2799c..e0315d2 100644 --- a/drivers/gpu/drm/radeon/radeon_kms.c +++ b/drivers/gpu/drm/radeon/radeon_kms.c @@ -107,11 +107,9 @@ int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags) flags |= RADEON_IS_PCI; } - if (radeon_runtime_pm == 1) - flags |= RADEON_IS_PX; - else if ((radeon_runtime_pm == -1) && - radeon_has_atpx() && - ((flags & RADEON_IS_IGP) == 0)) + if ((radeon_runtime_pm != 0) && + radeon_has_atpx() && + ((flags & RADEON_IS_IGP) == 0)) flags |= RADEON_IS_PX; /* radeon_device_init should report only fatal error -- 1.9.1
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