diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index bdccf5038b62..51d007069609 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -9290,6 +9290,10 @@ static bool ironlake_get_pipe_config(struct intel_crtc *crtc, ironlake_get_fdi_m_n_config(crtc, pipe_config); if (HAS_PCH_IBX(dev_priv)) { + /* + * The pipe->pch transcoder and pch transcoder->pll + * mapping is fixed. + */ pll_id = (enum intel_dpll_id) crtc->pipe; } else { tmp = I915_READ(PCH_DPLL_SEL); @@ -9840,6 +9844,10 @@ static bool hsw_get_transcoder_state(struct intel_crtc *crtc, enum intel_display_power_domain power_domain; u32 tmp; + /* + * The pipe->transcoder mapping is fixed with the exception of the eDP + * transcoder handled below. + */ pipe_config->cpu_transcoder = (enum transcoder) crtc->pipe; /* |