Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit cf9a2f3a authored by Chris Wilson's avatar Chris Wilson
Browse files

drm/i915/sdvo: Handle unsupported GET_SUPPORTED_ENHANCEMENTS gracefully 



In the event that the external chipset doesn't implement the
GET_SUPPORTED_ENHANCEMENTS commands, gracefully treat it as having no
enhancments rather than bailing.

Reported-and-tested-by: default avatarWoody Suwalski <terraluna977@gmail.com>
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=18342


Signed-off-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
parent 123d5c01

drivers/gpu/drm/i915/intel_sdvo.c

+4 −5
Original line number Diff line number Diff line
@@ -2520,11 +2520,10 @@ static bool intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo, 
		uint16_t response;

	} enhancements;



	if (!intel_sdvo_get_value(intel_sdvo,

	enhancements.response = 0;

	intel_sdvo_get_value(intel_sdvo,

			     SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS,

				  &enhancements, sizeof(enhancements)))

		return false;



			     &enhancements, sizeof(enhancements));

	if (enhancements.response == 0) {

		DRM_DEBUG_KMS("No enhancement is supported\n");

		return true;