diff options
| -rw-r--r-- | drivers/gpu/drm/i915/icl_dsi.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/icl_dsi.c b/drivers/gpu/drm/i915/icl_dsi.c index f6ed57b28676..216a1753d246 100644 --- a/drivers/gpu/drm/i915/icl_dsi.c +++ b/drivers/gpu/drm/i915/icl_dsi.c @@ -591,6 +591,28 @@ gen11_dsi_set_transcoder_timings(struct intel_encoder *encoder, } } +static void gen11_dsi_enable_transcoder(struct intel_encoder *encoder) +{ + struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base); + enum port port; + enum transcoder dsi_trans; + u32 tmp; + + for_each_dsi_port(port, intel_dsi->ports) { + dsi_trans = dsi_port_to_transcoder(port); + tmp = I915_READ(PIPECONF(dsi_trans)); + tmp |= PIPECONF_ENABLE; + I915_WRITE(PIPECONF(dsi_trans), tmp); + + /* wait for transcoder to be enabled */ + if (intel_wait_for_register(dev_priv, PIPECONF(dsi_trans), + I965_PIPECONF_ACTIVE, + I965_PIPECONF_ACTIVE, 10)) + DRM_ERROR("DSI transcoder not enabled\n"); + } +} + static void gen11_dsi_enable_port_and_phy(struct intel_encoder *encoder, const struct intel_crtc_state *pipe_config) @@ -630,4 +652,7 @@ gen11_dsi_pre_enable(struct intel_encoder *encoder, /* step6c: configure transcoder timings */ gen11_dsi_set_transcoder_timings(encoder, pipe_config); + + /* step6d: enable dsi transcoder */ + gen11_dsi_enable_transcoder(encoder); } |