From a78fe13389f0ba509c830e7c442aeed143efbbbf Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Wed, 1 Jun 2016 13:08:21 -0400
Subject: drm/amdgpu/atpx: add a query for ATPX dGPU power control
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The runtime pm sequence is different depending on whether or
not the platform supports ATPX dGPU power control.
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c | 4 ++++
1 file changed, 4 insertions(+)
(limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c')
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c
index c5d280ce625b..7b11af1d8c4f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c
@@ -64,6 +64,10 @@ bool amdgpu_has_atpx(void) {
return amdgpu_atpx_priv.atpx_detected;
}
+bool amdgpu_has_atpx_dgpu_power_cntl(void) {
+ return amdgpu_atpx_priv.atpx.functions.power_cntl;
+}
+
/**
* amdgpu_atpx_call - call an ATPX method
*
--
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