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| author | Alex Deucher <alexander.deucher@amd.com> | 2016-06-01 21:05:05 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-07-07 20:51:05 +0200 |
| commit | e1052b35f4ac860707743eb3a9c665b2393b5bb9 (patch) | |
| tree | 19cb7384fe2a99c56d6b4022a9c10e2e08cc587a /drivers/gpu/drm/radeon | |
| parent | drm/radeon: add a delay after ATPX dGPU power off (diff) | |
| download | linux-e1052b35f4ac860707743eb3a9c665b2393b5bb9.tar.xz linux-e1052b35f4ac860707743eb3a9c665b2393b5bb9.zip | |
drm/radeon/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 <Hawking.Zhang@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_atpx_handler.c | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_drv.c | 2 |
2 files changed, 6 insertions, 0 deletions
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; |