drm/i915: Add DRM Infoframe handling for BYT/CHT

BYT/CHT doesn't support DRM Infoframe. This caused
a WARN_ON due to a missing CASE while executing
intel_hdmi_infoframes_enabled function. This patch
fixes the same.

Signed-off-by: Uma Shankar <uma.shankar@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1558015817-12025-11-git-send-email-uma.shankar@intel.com

diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index a0b98a0..d571f53 100644 (file)
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -129,6 +129,8 @@ static u32 g4x_infoframe_enable(unsigned int type)
                return VIDEO_DIP_ENABLE_SPD;
        case HDMI_INFOFRAME_TYPE_VENDOR:
                return VIDEO_DIP_ENABLE_VENDOR;
+       case HDMI_INFOFRAME_TYPE_DRM:
+               return 0;
        default:
                MISSING_CASE(type);
                return 0;