diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_vrr.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_vrr.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_vrr.c b/drivers/gpu/drm/i915/display/intel_vrr.c index 346ea3c16cc8..b2545ddc8fc5 100644 --- a/drivers/gpu/drm/i915/display/intel_vrr.c +++ b/drivers/gpu/drm/i915/display/intel_vrr.c @@ -99,3 +99,25 @@ intel_vrr_compute_config(struct intel_crtc_state *crtc_state, crtc_state->vrr.pipeline_full = min(255, crtc_state->vrr.vmin - adjusted_mode->crtc_vdisplay - 4 - 1); } + +void intel_vrr_enable(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) +{ + struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + enum transcoder cpu_transcoder = crtc_state->cpu_transcoder; + u32 trans_vrr_ctl; + + if (!crtc_state->vrr.enable) + return; + + trans_vrr_ctl = VRR_CTL_VRR_ENABLE | + VRR_CTL_IGN_MAX_SHIFT | VRR_CTL_FLIP_LINE_EN | + VRR_CTL_PIPELINE_FULL(crtc_state->vrr.pipeline_full) | + VRR_CTL_PIPELINE_FULL_OVERRIDE; + + intel_de_write(dev_priv, TRANS_VRR_VMIN(cpu_transcoder), crtc_state->vrr.vmin - 1); + intel_de_write(dev_priv, TRANS_VRR_VMAX(cpu_transcoder), crtc_state->vrr.vmax - 1); + intel_de_write(dev_priv, TRANS_VRR_CTL(cpu_transcoder), trans_vrr_ctl); + intel_de_write(dev_priv, TRANS_VRR_FLIPLINE(cpu_transcoder), crtc_state->vrr.flipline - 1); + intel_de_write(dev_priv, TRANS_PUSH(cpu_transcoder), TRANS_PUSH_EN); +} |