diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_sdvo.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_sdvo.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c index 0007a4d9bf6..c01d97db006 100644 --- a/drivers/gpu/drm/i915/intel_sdvo.c +++ b/drivers/gpu/drm/i915/intel_sdvo.c @@ -139,6 +139,11 @@ struct intel_sdvo { /* DDC bus used by this SDVO encoder */ uint8_t ddc_bus; + + /* + * the sdvo flag gets lost in round trip: dtd->adjusted_mode->dtd + */ + uint8_t dtd_sdvo_flags; }; struct intel_sdvo_connector { @@ -984,6 +989,7 @@ intel_sdvo_get_preferred_input_mode(struct intel_sdvo *intel_sdvo, return false; intel_sdvo_get_mode_from_dtd(adjusted_mode, &input_dtd); + intel_sdvo->dtd_sdvo_flags = input_dtd.part2.sdvo_flags; return true; } @@ -1092,6 +1098,8 @@ static void intel_sdvo_mode_set(struct drm_encoder *encoder, * adjusted_mode. */ intel_sdvo_get_dtd_from_mode(&input_dtd, adjusted_mode); + if (intel_sdvo->is_tv || intel_sdvo->is_lvds) + input_dtd.part2.sdvo_flags = intel_sdvo->dtd_sdvo_flags; if (!intel_sdvo_set_input_timing(intel_sdvo, &input_dtd)) DRM_INFO("Setting input timings on %s failed\n", SDVO_NAME(intel_sdvo)); @@ -2277,10 +2285,8 @@ intel_sdvo_lvds_init(struct intel_sdvo *intel_sdvo, int device) intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS1; } - /* SDVO LVDS is cloneable because the SDVO encoder does the upscaling, - * as opposed to native LVDS, where we upscale with the panel-fitter - * (and hence only the native LVDS resolution could be cloned). */ - intel_sdvo->base.cloneable = true; + /* SDVO LVDS is not cloneable because the input mode gets adjusted by the encoder */ + intel_sdvo->base.cloneable = false; intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo); if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector)) |