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authorDave Airlie <airlied@redhat.com>2020-12-10 16:55:41 +1000
committerDave Airlie <airlied@redhat.com>2020-12-10 16:55:53 +1000
commitb10733527bfd864605c33ab2e9a886eec317ec39 (patch)
treed7d671d2fa69e628e2ac898ba8e9ab10c6481c3c /drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
parent60f2f74978e69fdb63e7a26179cbd5c50d4845c2 (diff)
parentf8aab60422c371425365d386dfd51e0c6c5b1041 (diff)
Merge tag 'amd-drm-next-5.11-2020-12-09' of git://people.freedesktop.org/~agd5f/linux into drm-next
amd-drm-next-5.11-2020-12-09: amdgpu: - SR-IOV fixes - Navy Flounder updates - Sienna Cichlid updates - Dimgrey Cavefish updates - Vangogh updates - Misc SMU fixes - Misc display fixes - Last big hunk of W=1 warning fixes - Cursor validation fixes - CI BACO updates From: Alex Deucher <alexdeucher@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20201210045344.21566-1-alexander.deucher@amd.com Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
index 165b02e267b0..4f4fda53c08a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
@@ -27,6 +27,7 @@
#include <linux/power_supply.h>
#include <linux/pm_runtime.h>
#include <acpi/video.h>
+#include <acpi/actbl.h>
#include <drm/drm_crtc_helper.h>
#include "amdgpu.h"
@@ -894,3 +895,16 @@ void amdgpu_acpi_fini(struct amdgpu_device *adev)
unregister_acpi_notifier(&adev->acpi_nb);
kfree(adev->atif);
}
+
+/**
+ * amdgpu_acpi_is_s0ix_supported
+ *
+ * returns true if supported, false if not.
+ */
+bool amdgpu_acpi_is_s0ix_supported(void)
+{
+ if (acpi_gbl_FADT.flags & ACPI_FADT_LOW_POWER_S0)
+ return true;
+
+ return false;
+}