[Intel-gfx] [PATCH 21/22] drm/i915/audio: Include ELD in the state dump

[Ville Syrjala]

From: Ville Syrjälä <ville.syrjala at linux.intel.com>

Include the ELD has a hex blob in the crtc state dump.

Cc: Chaitanya Kumar Borah <chaitanya.kumar.borah at intel.com>
Cc: Kai Vehmanen <kai.vehmanen at linux.intel.com>
Cc: Takashi Iwai <tiwai at suse.de>
Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
---
 .../drm/i915/display/intel_crtc_state_dump.c    | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/intel_crtc_state_dump.c b/drivers/gpu/drm/i915/display/intel_crtc_state_dump.c
index e9212f69c360..0f9d3bf32129 100644
--- a/drivers/gpu/drm/i915/display/intel_crtc_state_dump.c
+++ b/drivers/gpu/drm/i915/display/intel_crtc_state_dump.c
@@ -3,6 +3,8 @@
  * Copyright © 2022 Intel Corporation
  */
 
+#include <drm/drm_edid.h>
+
 #include "i915_drv.h"
 #include "intel_crtc_state_dump.h"
 #include "intel_display_types.h"
@@ -56,6 +58,17 @@ intel_dump_dp_vsc_sdp(struct drm_i915_private *i915,
 	drm_dp_vsc_sdp_log(KERN_DEBUG, i915->drm.dev, vsc);
 }
 
+static void
+intel_dump_buffer(struct drm_i915_private *i915,
+		  const char *prefix, const u8 *buf, size_t len)
+{
+	if (!drm_debug_enabled(DRM_UT_KMS))
+		return;
+
+	print_hex_dump(KERN_DEBUG, prefix, DUMP_PREFIX_NONE,
+		       16, 0, buf, len, false);
+}
+
 #define OUTPUT_TYPE(x) [INTEL_OUTPUT_ ## x] = #x
 
 static const char * const output_type_str[] = {
@@ -236,6 +249,10 @@ void intel_crtc_state_dump(const struct intel_crtc_state *pipe_config,
 	    intel_hdmi_infoframe_enable(DP_SDP_VSC))
 		intel_dump_dp_vsc_sdp(i915, &pipe_config->infoframes.vsc);
 
+	if (pipe_config->has_audio)
+		intel_dump_buffer(i915, "ELD: ", pipe_config->eld,
+				  drm_eld_size(pipe_config->eld));
+
 	drm_dbg_kms(&i915->drm, "vrr: %s, vmin: %d, vmax: %d, pipeline full: %d, guardband: %d flipline: %d, vmin vblank: %d, vmax vblank: %d\n",
 		    str_yes_no(pipe_config->vrr.enable),
 		    pipe_config->vrr.vmin, pipe_config->vrr.vmax,
-- 
2.35.1