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

[Jani Nikula]

On Tue, 11 Oct 2022, Ville Syrjala <ville.syrjala at linux.intel.com> wrote:
> 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>

Reviewed-by: Jani Nikula <jani.nikula at 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,

-- 
Jani Nikula, Intel Open Source Graphics Center