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-rw-r--r--drivers/gpu/drm/i915/intel_sdvo.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index 3a7251ad9a7..d2e8c9f4d6d 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -140,6 +140,11 @@ 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 {
@@ -985,6 +990,7 @@ 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;
}
@@ -1093,6 +1099,8 @@ 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));