diff options
| author |   Ville Syrjälä <ville.syrjala@linux.intel.com> | 2022-05-31 22:18:39 +0300 |
|---|---|---|
| committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2022-06-01 16:45:18 +0300 |
| commit | fba99b1ab7bde41c1eb00431df37b9237be3681e (patch) | |
| tree | e376a61afc3a86f83195c8dfb49248c9e2f97aca /drivers/gpu/drm/i915/display/intel_vrr.c | |
| parent | drm/i915/display: stop using BUG() (diff) | |
| download | linux-dev-fba99b1ab7bde41c1eb00431df37b9237be3681e.tar.xz linux-dev-fba99b1ab7bde41c1eb00431df37b9237be3681e.zip | |
drm/i915: Parse VRR capability from VBT
VBT seems to have an extra flag for VRR vs. not. Let's consult
that for eDP panels.
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220531191844.11313-2-ville.syrjala@linux.intel.com
Diffstat (limited to '')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_vrr.c | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_vrr.c b/drivers/gpu/drm/i915/display/intel_vrr.c index 081e52dd6c4e..04250a0fec3c 100644 --- a/drivers/gpu/drm/i915/display/intel_vrr.c +++ b/drivers/gpu/drm/i915/display/intel_vrr.c @@ -15,19 +15,29 @@ bool intel_vrr_is_capable(struct intel_connector *connector) struct drm_i915_private *i915 = to_i915(connector->base.dev); struct intel_dp *intel_dp; - if (connector->base.connector_type != DRM_MODE_CONNECTOR_eDP && - connector->base.connector_type != DRM_MODE_CONNECTOR_DisplayPort) - return false; - - intel_dp = intel_attached_dp(connector); /* * DP Sink is capable of VRR video timings if * Ignore MSA bit is set in DPCD. * EDID monitor range also should be atleast 10 for reasonable * Adaptive Sync or Variable Refresh Rate end user experience. */ + switch (connector->base.connector_type) { + case DRM_MODE_CONNECTOR_eDP: + if (!connector->panel.vbt.vrr) + return false; + fallthrough; + case DRM_MODE_CONNECTOR_DisplayPort: + intel_dp = intel_attached_dp(connector); + + if (!drm_dp_sink_can_do_video_without_timing_msa(intel_dp->dpcd)) + return false; + + break; + default: + return false; + } + return HAS_VRR(i915) && - drm_dp_sink_can_do_video_without_timing_msa(intel_dp->dpcd) && info->monitor_range.max_vfreq - info->monitor_range.min_vfreq > 10; } |