From: Abhinav Kumar <abhinavk@codeaurora.org>
To: dri-devel@lists.freedesktop.org
Cc: Abhinav Kumar <abhinavk@codeaurora.org>,
linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org,
robdclark@gmail.com, seanpaul@chromium.org, swboyd@chromium.org,
nganji@codeaurora.org, aravindh@codeaurora.org,
tanmay@codeaurora.org, khsieh@codeaurora.org, daniel@ffwll.ch
Subject: [PATCH v2 4/4] drm/msm/dpu: add dpu_dbg points across dpu driver
Date: Thu, 29 Oct 2020 18:01:01 -0700 [thread overview]
Message-ID: <20201030010101.4345-5-abhinavk@codeaurora.org> (raw)
In-Reply-To: <20201030010101.4345-1-abhinavk@codeaurora.org>
Add dpu_dbg points across dpu driver to trigger dumps when critical
errors are hit.
changes in v2: none
Signed-off-by: Abhinav Kumar <abhinavk@codeaurora.org>
---
drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 12 ++++++++++--
drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c | 5 +++--
drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c | 5 ++++-
3 files changed, 17 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
index f7f5c258b553..a2ee1af73c9f 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
- * Copyright (c) 2014-2018, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2014-2018, 2020 The Linux Foundation. All rights reserved.
* Copyright (C) 2013 Red Hat
* Author: Rob Clark <robdclark@gmail.com>
*/
@@ -26,6 +26,7 @@
#include "dpu_crtc.h"
#include "dpu_trace.h"
#include "dpu_core_irq.h"
+#include "dpu_dbg.h"
#define DPU_DEBUG_ENC(e, fmt, ...) DPU_DEBUG("enc%d " fmt,\
(e) ? (e)->base.base.id : -1, ##__VA_ARGS__)
@@ -1313,6 +1314,11 @@ static void dpu_encoder_underrun_callback(struct drm_encoder *drm_enc,
DPU_ATRACE_BEGIN("encoder_underrun_callback");
atomic_inc(&phy_enc->underrun_cnt);
+
+ /* trigger dump only on the first underrun */
+ if (atomic_read(&phy_enc->underrun_cnt) == 1)
+ DPU_DBG_DUMP("all");
+
trace_dpu_enc_underrun_cb(DRMID(drm_enc),
atomic_read(&phy_enc->underrun_cnt));
DPU_ATRACE_END("encoder_underrun_callback");
@@ -1553,8 +1559,10 @@ static void dpu_encoder_helper_hw_reset(struct dpu_encoder_phys *phys_enc)
ctl->idx);
rc = ctl->ops.reset(ctl);
- if (rc)
+ if (rc) {
DPU_ERROR_ENC(dpu_enc, "ctl %d reset failure\n", ctl->idx);
+ DPU_DBG_DUMP("all");
+ }
phys_enc->enable_state = DPU_ENC_ENABLED;
}
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c
index 8493d68ad841..58f79557b560 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
- * Copyright (c) 2015-2018 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2015-2018, 2020 The Linux Foundation. All rights reserved.
*/
#define pr_fmt(fmt) "[drm:%s:%d] " fmt, __func__, __LINE__
@@ -9,6 +9,7 @@
#include "dpu_core_irq.h"
#include "dpu_formats.h"
#include "dpu_trace.h"
+#include "dpu_dbg.h"
#define DPU_DEBUG_CMDENC(e, fmt, ...) DPU_DEBUG("enc%d intf%d " fmt, \
(e) && (e)->base.parent ? \
@@ -213,7 +214,7 @@ static int _dpu_encoder_phys_cmd_handle_ppdone_timeout(
phys_enc->hw_ctl->idx - CTL_0,
cmd_enc->pp_timeout_report_cnt,
atomic_read(&phys_enc->pending_kickoff_cnt));
-
+ DPU_DBG_DUMP("all");
dpu_encoder_helper_unregister_irq(phys_enc, INTR_IDX_RDPTR);
}
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c
index 805e059b50b7..46c5320150fa 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c
@@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-only
-/* Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2015-2018, 2020 The Linux Foundation. All rights reserved.
*/
#define pr_fmt(fmt) "[drm:%s:%d] " fmt, __func__, __LINE__
@@ -8,6 +8,7 @@
#include "dpu_core_irq.h"
#include "dpu_formats.h"
#include "dpu_trace.h"
+#include "dpu_dbg.h"
#define DPU_DEBUG_VIDENC(e, fmt, ...) DPU_DEBUG("enc%d intf%d " fmt, \
(e) && (e)->parent ? \
@@ -467,6 +468,7 @@ static void dpu_encoder_phys_vid_enable(struct dpu_encoder_phys *phys_enc)
"update pending flush ctl %d flush_mask 0%x intf_mask 0x%x\n",
ctl->idx - CTL_0, flush_mask, intf_flush_mask);
+ atomic_set(&phys_enc->underrun_cnt, 0);
/* ctl_flush & timing engine enable will be triggered by framework */
if (phys_enc->enable_state == DPU_ENC_DISABLED)
@@ -549,6 +551,7 @@ static void dpu_encoder_phys_vid_prepare_for_kickoff(
if (rc) {
DPU_ERROR_VIDENC(phys_enc, "ctl %d reset failure: %d\n",
ctl->idx, rc);
+ DPU_DBG_DUMP("all");
dpu_encoder_helper_unregister_irq(phys_enc, INTR_IDX_VSYNC);
}
}
--
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project
prev parent reply other threads:[~2020-10-30 1:02 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-30 1:00 [PATCH v2 0/4] Add devcoredump support for DPU Abhinav Kumar
2020-10-30 1:00 ` [PATCH v2 1/4] drm: allow drm_atomic_print_state() to accept any drm_printer Abhinav Kumar
2020-10-30 9:00 ` Daniel Vetter
2020-10-30 1:00 ` [PATCH v2 2/4] drm/msm/dpu: add support to dump dpu registers Abhinav Kumar
2020-10-30 1:01 ` [PATCH v2 3/4] drm/msm: register the base address with dpu_dbg module Abhinav Kumar
2020-11-04 17:26 ` [Freedreno] " Rob Clark
2020-10-30 1:01 ` Abhinav Kumar [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20201030010101.4345-5-abhinavk@codeaurora.org \
--to=abhinavk@codeaurora.org \
--cc=aravindh@codeaurora.org \
--cc=daniel@ffwll.ch \
--cc=dri-devel@lists.freedesktop.org \
--cc=freedreno@lists.freedesktop.org \
--cc=khsieh@codeaurora.org \
--cc=linux-arm-msm@vger.kernel.org \
--cc=nganji@codeaurora.org \
--cc=robdclark@gmail.com \
--cc=seanpaul@chromium.org \
--cc=swboyd@chromium.org \
--cc=tanmay@codeaurora.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).