From: Alex Deucher Date: Wed, 1 Jun 2016 17:08:21 +0000 (-0400) Subject: drm/amdgpu/atpx: add a query for ATPX dGPU power control X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=a78fe13389f0ba509c830e7c442aeed143efbbbf;p=linux-beck.git drm/amdgpu/atpx: add a query for ATPX dGPU power control The runtime pm sequence is different depending on whether or not the platform supports ATPX dGPU power control. Reviewed-by: Hawking Zhang Acked-by: Christian König Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 33bc79e378e1..3cc2bd797e51 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -2400,9 +2400,11 @@ bool amdgpu_device_is_px(struct drm_device *dev); #if defined(CONFIG_VGA_SWITCHEROO) void amdgpu_register_atpx_handler(void); void amdgpu_unregister_atpx_handler(void); +bool amdgpu_has_atpx_dgpu_power_cntl(void); #else static inline void amdgpu_register_atpx_handler(void) {} static inline void amdgpu_unregister_atpx_handler(void) {} +static inline bool amdgpu_has_atpx_dgpu_power_cntl(void) { return false; } #endif /* 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 *