diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_panel.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_panel.c | 34 |
1 files changed, 25 insertions, 9 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_panel.c b/drivers/gpu/drm/i915/display/intel_panel.c index a3a3f9fe4342..69ce77711b7c 100644 --- a/drivers/gpu/drm/i915/display/intel_panel.c +++ b/drivers/gpu/drm/i915/display/intel_panel.c @@ -85,9 +85,10 @@ static bool is_alt_drrs_mode(const struct drm_display_mode *mode, static bool is_alt_fixed_mode(const struct drm_display_mode *mode, const struct drm_display_mode *preferred_mode) { - return drm_mode_match(mode, preferred_mode, - DRM_MODE_MATCH_FLAGS | - DRM_MODE_MATCH_3D_FLAGS) && + u32 sync_flags = DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NHSYNC | + DRM_MODE_FLAG_PVSYNC | DRM_MODE_FLAG_NVSYNC; + + return (mode->flags & ~sync_flags) == (preferred_mode->flags & ~sync_flags) && mode->hdisplay == preferred_mode->hdisplay && mode->vdisplay == preferred_mode->vdisplay; } @@ -147,12 +148,24 @@ int intel_panel_get_modes(struct intel_connector *connector) return num_modes; } -enum drrs_type intel_panel_drrs_type(struct intel_connector *connector) +static bool has_drrs_modes(struct intel_connector *connector) { - if (list_empty(&connector->panel.fixed_modes) || - list_is_singular(&connector->panel.fixed_modes)) - return DRRS_TYPE_NONE; + const struct drm_display_mode *mode1; + + list_for_each_entry(mode1, &connector->panel.fixed_modes, head) { + const struct drm_display_mode *mode2 = mode1; + + list_for_each_entry_continue(mode2, &connector->panel.fixed_modes, head) { + if (is_alt_drrs_mode(mode1, mode2)) + return true; + } + } + + return false; +} +enum drrs_type intel_panel_drrs_type(struct intel_connector *connector) +{ return connector->panel.vbt.drrs_type; } @@ -254,10 +267,10 @@ static void intel_panel_destroy_probed_modes(struct intel_connector *connector) } void intel_panel_add_edid_fixed_modes(struct intel_connector *connector, - bool has_drrs, bool has_vrr) + bool use_alt_fixed_modes) { intel_panel_add_edid_preferred_mode(connector); - if (intel_panel_preferred_fixed_mode(connector) && (has_drrs || has_vrr)) + if (intel_panel_preferred_fixed_mode(connector) && use_alt_fixed_modes) intel_panel_add_edid_alt_fixed_modes(connector); intel_panel_destroy_probed_modes(connector); } @@ -653,6 +666,9 @@ int intel_panel_init(struct intel_connector *connector) intel_backlight_init_funcs(panel); + if (!has_drrs_modes(connector)) + connector->panel.vbt.drrs_type = DRRS_TYPE_NONE; + drm_dbg_kms(connector->base.dev, "[CONNECTOR:%d:%s] DRRS type: %s\n", connector->base.base.id, connector->base.name, |