diff options
| author | Chon Ming Lee <chon.ming.lee@intel.com> | 2014-04-09 13:28:16 +0300 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2014-05-12 19:50:12 +0200 |
| commit | eb69b0e59ac845666b7b284ca83a1fef17ebaa9f (patch) | |
| tree | 86121715725c51d23c90f9d6a54cbfbda407453f | |
| parent | 00fc31b72ea773fa966a486e54ca379045bd2cfd (diff) | |
drm/i915/chv: Add vlv_pipe_to_channel
Cherryview has 3 pipes. Some of the pll dpio offset calculation is
based on pipe number. Need to use vlv_pipe_to_channel to calculate the
correct phy channel to use for the pipe.
Signed-off-by: Chon Ming Lee <chon.ming.lee@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
| -rw-r--r-- | drivers/gpu/drm/i915/intel_drv.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 9d5816d06b53..acfc5c853b38 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -570,6 +570,20 @@ vlv_dport_to_channel(struct intel_digital_port *dport) } } +static inline int +vlv_pipe_to_channel(enum pipe pipe) +{ + switch (pipe) { + case PIPE_A: + case PIPE_C: + return DPIO_CH0; + case PIPE_B: + return DPIO_CH1; + default: + BUG(); + } +} + static inline struct drm_crtc * intel_get_crtc_for_pipe(struct drm_device *dev, int pipe) { |