diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_display.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_display.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 1558aefc2fd9..a7e55c9dc40e 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -10577,16 +10577,21 @@ static void haswell_get_ddi_port_state(struct intel_crtc *crtc, struct intel_crtc_state *pipe_config) { struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); + enum transcoder cpu_transcoder = pipe_config->cpu_transcoder; struct intel_shared_dpll *pll; enum port port; u32 tmp; - tmp = I915_READ(TRANS_DDI_FUNC_CTL(pipe_config->cpu_transcoder)); - - if (INTEL_GEN(dev_priv) >= 12) - port = TGL_TRANS_DDI_FUNC_CTL_VAL_TO_PORT(tmp); - else - port = TRANS_DDI_FUNC_CTL_VAL_TO_PORT(tmp); + if (transcoder_is_dsi(cpu_transcoder)) { + port = (cpu_transcoder == TRANSCODER_DSI_A) ? + PORT_A : PORT_B; + } else { + tmp = I915_READ(TRANS_DDI_FUNC_CTL(cpu_transcoder)); + if (INTEL_GEN(dev_priv) >= 12) + port = TGL_TRANS_DDI_FUNC_CTL_VAL_TO_PORT(tmp); + else + port = TRANS_DDI_FUNC_CTL_VAL_TO_PORT(tmp); + } if (INTEL_GEN(dev_priv) >= 11) icelake_get_ddi_pll(dev_priv, port, pipe_config); |