From e1052b35f4ac860707743eb3a9c665b2393b5bb9 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Wed, 1 Jun 2016 15:05:05 -0400 Subject: [PATCH] drm/radeon/atpx: add a query for ATPX dGPU power control MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit 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 --- drivers/gpu/drm/radeon/radeon_atpx_handler.c | 4 ++++ drivers/gpu/drm/radeon/radeon_drv.c | 2 ++ 2 files changed, 6 insertions(+) diff --git a/drivers/gpu/drm/radeon/radeon_atpx_handler.c b/drivers/gpu/drm/radeon/radeon_atpx_handler.c index 3d9519411c84..51da319db14a 100644 --- a/drivers/gpu/drm/radeon/radeon_atpx_handler.c +++ b/drivers/gpu/drm/radeon/radeon_atpx_handler.c @@ -63,6 +63,10 @@ bool radeon_has_atpx(void) { return radeon_atpx_priv.atpx_detected; } +bool radeon_has_atpx_dgpu_power_cntl(void) { + return radeon_atpx_priv.atpx.functions.power_cntl; +} + /** * radeon_atpx_call - call an ATPX method * diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c index e028ca385a46..5ceafd8f2b50 100644 --- a/drivers/gpu/drm/radeon/radeon_drv.c +++ b/drivers/gpu/drm/radeon/radeon_drv.c @@ -163,9 +163,11 @@ void radeon_debugfs_cleanup(struct drm_minor *minor); #if defined(CONFIG_VGA_SWITCHEROO) void radeon_register_atpx_handler(void); void radeon_unregister_atpx_handler(void); +bool radeon_has_atpx_dgpu_power_cntl(void); #else static inline void radeon_register_atpx_handler(void) {} static inline void radeon_unregister_atpx_handler(void) {} +static inline bool radeon_has_atpx_dgpu_power_cntl(void) { return false; } #endif int radeon_no_wb; -- 2.20.1