From c4de2e7886d74eaffcb64bc9e724717ad4fc3801 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= <ville.syrjala@linux.intel.com>
Date: Tue, 3 May 2022 21:22:25 +0300
Subject: drm/i915: Improve modeset debugs
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Git-commit: 58ae532ee875783503428610ac0f5d80e73009a7
Patch-mainline: v6.0-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225 jsc#PED-2849
Use the "[CRTC:%d:%s]'/etc. format for some of the modeset debugs
so we know more about what has happened during the modeset state
computation.
Also tweak the connector bpp debug message a bit to make it less
confusing.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220503182242.18797-10-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/i915/display/intel_display.c | 22 +++++++++++++-------
1 file changed, 14 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index 8e0d9332f950..5f9ccffe1af6 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -5044,8 +5044,8 @@ compute_sink_pipe_bpp(const struct drm_connector_state *conn_state,
if (bpp < crtc_state->pipe_bpp) {
drm_dbg_kms(&i915->drm,
- "[CONNECTOR:%d:%s] Limiting display bpp to %d instead of "
- "EDID bpp %d, requested bpp %d, max platform bpp %d\n",
+ "[CONNECTOR:%d:%s] Limiting display bpp to %d "
+ "(EDID bpp %d, max requested bpp %d, max platform bpp %d)\n",
connector->base.id, connector->name,
bpp, 3 * info->bpc,
3 * conn_state->max_requested_bpc,
@@ -5695,7 +5695,8 @@ intel_modeset_pipe_config(struct intel_atomic_state *state,
if (!check_single_encoder_cloning(state, crtc, encoder)) {
drm_dbg_kms(&i915->drm,
- "rejecting invalid cloning configuration\n");
+ "[ENCODER:%d:%s] rejecting invalid cloning configuration\n",
+ encoder->base.base.id, encoder->base.name);
return -EINVAL;
}
@@ -5736,7 +5737,8 @@ intel_modeset_pipe_config(struct intel_atomic_state *state,
if (ret == -EDEADLK)
return ret;
if (ret < 0) {
- drm_dbg_kms(&i915->drm, "Encoder config failure: %d\n", ret);
+ drm_dbg_kms(&i915->drm, "[ENCODER:%d:%s] config failure: %d\n",
+ encoder->base.base.id, encoder->base.name, ret);
return ret;
}
}
@@ -5752,15 +5754,18 @@ intel_modeset_pipe_config(struct intel_atomic_state *state,
return ret;
if (ret == -EAGAIN) {
if (drm_WARN(&i915->drm, !retry,
- "loop in pipe configuration computation\n"))
+ "[CRTC:%d:%s] loop in pipe configuration computation\n",
+ crtc->base.base.id, crtc->base.name))
return -EINVAL;
- drm_dbg_kms(&i915->drm, "CRTC bw constrained, retrying\n");
+ drm_dbg_kms(&i915->drm, "[CRTC:%d:%s] bw constrained, retrying\n",
+ crtc->base.base.id, crtc->base.name);
retry = false;
goto encoder_retry;
}
if (ret < 0) {
- drm_dbg_kms(&i915->drm, "CRTC config failure: %d\n", ret);
+ drm_dbg_kms(&i915->drm, "[CRTC:%d:%s] config failure: %d\n",
+ crtc->base.base.id, crtc->base.name, ret);
return ret;
}
@@ -5771,7 +5776,8 @@ intel_modeset_pipe_config(struct intel_atomic_state *state,
crtc_state->dither = (crtc_state->pipe_bpp == 6*3) &&
!crtc_state->dither_force_disable;
drm_dbg_kms(&i915->drm,
- "hw max bpp: %i, pipe bpp: %i, dithering: %i\n",
+ "[CRTC:%d:%s] hw max bpp: %i, pipe bpp: %i, dithering: %i\n",
+ crtc->base.base.id, crtc->base.name,
base_bpp, crtc_state->pipe_bpp, crtc_state->dither);
return 0;
--
2.38.1