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drm/i915: Utilize edp_disable_dsc from VBT

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Disable eDP DSC usage when instructed to do so by the VBT.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240517145356.26103-7-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Ville Syrjälä 2024-05-17 17:53:55 +03:00
parent cf235914f0
commit b47e62b1ed
3 changed files with 9 additions and 0 deletions
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4
drivers/gpu/drm/i915/display/intel_bios.c
View File

@ -1525,6 +1525,10 @@ parse_edp(struct drm_i915_private *i915,
if (i915->display.vbt.version >= 244)
panel->vbt.edp.max_link_rate =
edp->edp_max_port_link_rate[panel_type] * 20;
if (i915->display.vbt.version >= 251)
panel->vbt.edp.dsc_disable =
panel_bool(edp->edp_dsc_disable, panel_type);
}
static void

1
drivers/gpu/drm/i915/display/intel_display_types.h
View File

@ -335,6 +335,7 @@ struct intel_vbt_panel_data {
u8 drrs_msa_timing_delay;
bool low_vswing;
bool hobl;
bool dsc_disable;
} edp;
struct {

4
drivers/gpu/drm/i915/display/intel_dp.c
View File

@ -1181,6 +1181,10 @@ bool intel_dp_has_dsc(const struct intel_connector *connector)
if (connector->mst_port && !HAS_DSC_MST(i915))
return false;
if (connector->base.connector_type == DRM_MODE_CONNECTOR_eDP &&
connector->panel.vbt.edp.dsc_disable)
return false;
if (!drm_dp_sink_supports_dsc(connector->dp.dsc_dpcd))
return false;