[PATCH 3/4] drm/i915: don't silently ignore sdvo mode_set failures

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Unfortunately we can't abort a mode_set, but at least tell the user
that something might have gone wrong when setting the sdvo input or
output timing fails.

Signed-Off-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
---
 drivers/gpu/drm/i915/intel_sdvo.c |    8 ++++++--
 1 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index cb2e358..a6de3a6 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -1035,7 +1035,9 @@ static void intel_sdvo_mode_set(struct drm_encoder *encoder,
 					     intel_sdvo->sdvo_lvds_fixed_mode);
 	else
 		intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
-	(void) intel_sdvo_set_output_timing(intel_sdvo, &output_dtd);
+	if (!intel_sdvo_set_output_timing(intel_sdvo, &output_dtd))
+		DRM_INFO("Setting output timings on %s failed\n",
+			 SDVO_NAME(intel_sdvo));
 
 	/* Set the input timing to the screen. Assume always input 0. */
 	if (!intel_sdvo_set_target_input(intel_sdvo))
@@ -1057,7 +1059,9 @@ static void intel_sdvo_mode_set(struct drm_encoder *encoder,
 	 * adjusted_mode.
 	 */
 	intel_sdvo_get_dtd_from_mode(&input_dtd, adjusted_mode);
-	(void) intel_sdvo_set_input_timing(intel_sdvo, &input_dtd);
+	if (!intel_sdvo_set_input_timing(intel_sdvo, &input_dtd))
+		DRM_INFO("Setting input timings on %s failed\n",
+			 SDVO_NAME(intel_sdvo));
 
 	switch (pixel_multiplier) {
 	default:
-- 
1.7.9.1

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