[Intel-gfx] [v10 12/12] drm/i915: Add state readout for DRM infoframe

[Uma Shankar]

Added state readout for DRM infoframe and enabled
state validation for DRM infoframe.

v2: Addressed Ville's review comments and dropped the
unused drm infoframe read at intel_hdmi_init.

Signed-off-by: Uma Shankar <uma.shankar at intel.com>
---
 drivers/gpu/drm/i915/intel_ddi.c     | 4 ++++
 drivers/gpu/drm/i915/intel_display.c | 1 +
 2 files changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
index 0af47f3..f574315 100644
--- a/drivers/gpu/drm/i915/intel_ddi.c
+++ b/drivers/gpu/drm/i915/intel_ddi.c
@@ -3834,6 +3834,10 @@ void intel_ddi_get_config(struct intel_encoder *encoder,
 	intel_read_infoframe(encoder, pipe_config,
 			     HDMI_INFOFRAME_TYPE_VENDOR,
 			     &pipe_config->infoframes.hdmi);
+	if ((INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv)))
+		intel_read_infoframe(encoder, pipe_config,
+				     HDMI_INFOFRAME_TYPE_DRM,
+				     &pipe_config->infoframes.drm);
 }
 
 static enum intel_output_type
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index e35ba8d..c89b214 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -12274,6 +12274,7 @@ static bool fastboot_enabled(struct drm_i915_private *dev_priv)
 	PIPE_CONF_CHECK_INFOFRAME(avi);
 	PIPE_CONF_CHECK_INFOFRAME(spd);
 	PIPE_CONF_CHECK_INFOFRAME(hdmi);
+	PIPE_CONF_CHECK_INFOFRAME(drm);
 
 #undef PIPE_CONF_CHECK_X
 #undef PIPE_CONF_CHECK_I
-- 
1.9.1