From: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: linuxarm@huawei.com, mauro.chehab@huawei.com,
Xiubin Zhang <zhangxiubin1@huawei.com>,
Mauro Carvalho Chehab <mchehab+huawei@kernel.org>,
John Stultz <john.stultz@linaro.org>,
Manivannan Sadhasivam <mani@kernel.org>,
Daniel Vetter <daniel@ffwll.ch>,
dri-devel <dri-devel@lists.freedesktop.org>,
Andrzej Hajda <a.hajda@samsung.com>,
Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
Neil Armstrong <narmstrong@baylibre.com>,
Bogdan Togorean <bogdan.togorean@analog.com>,
Rob Clark <robdclark@chromium.org>,
Laurentiu Palcu <laurentiu.palcu@nxp.com>,
Liwei Cai <cailiwei@hisilicon.com>,
Chen Feng <puck.chen@hisilicon.com>,
devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org
Subject: [PATCH 10/49] staging: hikey9xx/gpu: add debug prints for this driver
Date: Wed, 19 Aug 2020 13:45:38 +0200 [thread overview]
Message-ID: <71e74aa8ff84a2f0b879c46a63d5f51f6d808348.1597833138.git.mchehab+huawei@kernel.org> (raw)
In-Reply-To: <cover.1597833138.git.mchehab+huawei@kernel.org>
From: Xiubin Zhang <zhangxiubin1@huawei.com>
Add some debug prints on adv7535 and kirin_drm_drv.
Signed-off-by: Xiubin Zhang <zhangxiubin1@huawei.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
---
drivers/staging/hikey9xx/gpu/hdmi/adv7535.c | 40 ++++++++++++++++++--
drivers/staging/hikey9xx/gpu/kirin_drm_drv.c | 2 +-
2 files changed, 37 insertions(+), 5 deletions(-)
diff --git a/drivers/staging/hikey9xx/gpu/hdmi/adv7535.c b/drivers/staging/hikey9xx/gpu/hdmi/adv7535.c
index a21a8f8b917e..04c1e7b9ca8e 100644
--- a/drivers/staging/hikey9xx/gpu/hdmi/adv7535.c
+++ b/drivers/staging/hikey9xx/gpu/hdmi/adv7535.c
@@ -28,7 +28,8 @@
#include "adv7535.h"
-#define HPD_ENABLE 1
+//#define HPD_ENABLE 1
+#define HPD_ENABLE 0
//#define TEST_COLORBAR_DISPLAY
#ifdef CONFIG_HDMI_ADV7511_AUDIO
extern int adv7511_audio_init(struct device *dev);
@@ -785,19 +786,25 @@ adv7511_detect(struct adv7511 *adv7511,
{
enum drm_connector_status status;
unsigned int val;
+ unsigned int time = 0;
#if HPD_ENABLE
bool hpd;
#endif
int ret;
ret = regmap_read(adv7511->regmap, ADV7511_REG_STATUS, &val);
- if (ret < 0)
+ if (ret < 0) {
+ DRM_ERROR("regmap_read fail, ret = %d \n", ret);
return connector_status_disconnected;
+ }
- if (val & ADV7511_STATUS_HPD)
+ if (val & ADV7511_STATUS_HPD) {
+ DRM_INFO("connected : regmap_read val = 0x%x \n", val);
status = connector_status_connected;
- else
+ } else {
+ DRM_INFO("disconnected : regmap_read val = 0x%x \n", val);
status = connector_status_disconnected;
+ }
#if HPD_ENABLE
hpd = adv7511_hpd(adv7511);
@@ -820,7 +827,32 @@ adv7511_detect(struct adv7511 *adv7511,
}
#endif
+ if (status == connector_status_disconnected) {
+ do {
+ ret = regmap_read(adv7511->regmap, ADV7511_REG_STATUS, &val);
+ if (ret < 0) {
+ DRM_ERROR("regmap_read fail, ret = %d \n", ret);
+ return connector_status_disconnected;
+ }
+
+ if (val & ADV7511_STATUS_HPD) {
+ DRM_INFO("connected : regmap_read val = 0x%x \n", val);
+ status = connector_status_connected;
+ } else {
+ DRM_INFO("disconnected : regmap_read val = 0x%x \n", val);
+ status = connector_status_disconnected;
+ }
+ time ++;
+ mdelay(20);
+ } while (status == connector_status_disconnected && time < 10);
+ }
+
+ if (time >= 10)
+ DRM_ERROR("Read connector status timout, time = %d \n", time);
+
adv7511->status = status;
+
+ DRM_INFO("hdmi connector status = %d \n", status);
return status;
}
diff --git a/drivers/staging/hikey9xx/gpu/kirin_drm_drv.c b/drivers/staging/hikey9xx/gpu/kirin_drm_drv.c
index 958aafa1a09c..ec1f668f2d21 100644
--- a/drivers/staging/hikey9xx/gpu/kirin_drm_drv.c
+++ b/drivers/staging/hikey9xx/gpu/kirin_drm_drv.c
@@ -144,7 +144,7 @@ static int kirin_drm_kms_init(struct drm_device *dev)
/* init kms poll for handling hpd */
drm_kms_helper_poll_init(dev);
-#if 0
+#if 1
/* force detection after connectors init */
(void)drm_helper_hpd_irq_event(dev);
#endif
--
2.26.2
next prev parent reply other threads:[~2020-08-19 11:47 UTC|newest]
Thread overview: 105+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-19 11:45 [PATCH 00/49] DRM driver for Hikey 970 Mauro Carvalho Chehab
2020-08-19 11:45 ` [PATCH 01/49] staging: hikey9xx: Add hisilicon DRM driver for hikey960/970 Mauro Carvalho Chehab
2020-08-19 11:45 ` [PATCH 02/49] staging: hikey9xx/gpu: port it to work with Kernel v4.9 Mauro Carvalho Chehab
2020-08-19 11:45 ` [PATCH 03/49] staging: hikey9xx/gpu: solve tearing issue of display Mauro Carvalho Chehab
2020-08-19 11:45 ` [PATCH 04/49] staging: hikey9xx/gpu: resolve the performance issue by interrupt mechanism Mauro Carvalho Chehab
2020-08-19 11:45 ` [PATCH 05/49] staging: hikey9xx/gpu: add support to hikey970 HDMI and panel Mauro Carvalho Chehab
2020-08-19 11:45 ` [PATCH 06/49] staging: hikey9xx/gpu: Solve SR Cannot Display Problems Mauro Carvalho Chehab
2020-08-19 11:45 ` [PATCH 07/49] staging: hikey9xx/gpu: Solve HDMI compatibility Problem Mauro Carvalho Chehab
2020-08-19 11:45 ` [PATCH 08/49] staging: hikey9xx/gpu: Support MIPI DSI 3 lanes for hikey970 Mauro Carvalho Chehab
2020-08-19 11:45 ` [PATCH 09/49] staging: hikey9xx/gpu: Solve SR test reset problem " Mauro Carvalho Chehab
2020-08-19 11:45 ` Mauro Carvalho Chehab [this message]
2020-08-21 20:17 ` [PATCH 10/49] staging: hikey9xx/gpu: add debug prints for this driver Joe Perches
2020-08-19 11:45 ` [PATCH 11/49] staging: hikey9xx/gpu: Add support 10.1 inch special HDMI displays Mauro Carvalho Chehab
2020-08-19 11:45 ` [PATCH 12/49] staging: hikey9xx/gpu: get rid of adv7535 fork Mauro Carvalho Chehab
2020-08-19 11:45 ` [PATCH 13/49] staging: hikey9xx/gpu: rename the Kirin9xx namespace Mauro Carvalho Chehab
2020-08-19 11:45 ` [PATCH 14/49] staging: hikey9xx/gpu: get rid of kirin9xx_fbdev.c Mauro Carvalho Chehab
2020-08-19 11:45 ` [PATCH 15/49] staging: hikey9xx/gpu: get rid of some ifdefs Mauro Carvalho Chehab
2020-08-19 11:45 ` [PATCH 16/49] staging: hikey9xx/gpu: rename the config option for Kirin970 Mauro Carvalho Chehab
2020-08-19 11:45 ` [PATCH 17/49] staging: hikey9xx/gpu: change the includes to reflect upstream Mauro Carvalho Chehab
2020-08-19 11:45 ` [PATCH 18/49] staging: hikey9xx/gpu: port driver to upstream kAPIs Mauro Carvalho Chehab
2020-08-19 11:45 ` [PATCH 19/49] staging: hikey9xx/gpu: add a copy of set_reg() function there Mauro Carvalho Chehab
2020-08-19 11:45 ` [PATCH 20/49] staging: hikey9xx/gpu: get rid of ION headers Mauro Carvalho Chehab
2020-08-19 11:45 ` [PATCH 21/49] staging: hikey9xx/gpu: add support for using a reserved CMA memory Mauro Carvalho Chehab
2020-08-19 11:45 ` [PATCH 22/49] staging: hikey9xx/gpu: cleanup encoder attach logic Mauro Carvalho Chehab
2020-08-19 11:45 ` [PATCH 23/49] staging: hikey9xx/gpu: Change the logic which sets the burst mode Mauro Carvalho Chehab
2020-08-19 11:45 ` [PATCH 24/49] staging: hikey9xx/gpu: fix the DRM setting logic Mauro Carvalho Chehab
2020-08-19 11:45 ` [PATCH 25/49] staging: hikey9xx/gpu: do some code cleanups Mauro Carvalho Chehab
2020-08-20 1:53 ` John Stultz
2020-08-20 8:23 ` Mauro Carvalho Chehab
2020-08-21 20:12 ` John Stultz
2020-08-19 11:45 ` [PATCH 26/49] staging: hikey9xx/gpu: use default GEM_CMA fops Mauro Carvalho Chehab
2020-08-19 11:45 ` [PATCH 27/49] staging: hikey9xx/gpu: place vblank enable/disable at the right place Mauro Carvalho Chehab
2020-08-19 11:45 ` [PATCH 28/49] staging: hikey9xx/gpu: remove an uneeded hack Mauro Carvalho Chehab
2020-08-19 11:45 ` [PATCH 29/49] staging: hikey9xx/gpu: add a possible implementation for atomic_disable Mauro Carvalho Chehab
2020-08-19 11:45 ` [PATCH 30/49] staging: hikey9xx/gpu: register connector Mauro Carvalho Chehab
2020-08-19 11:45 ` [PATCH 31/49] staging: hikey9xx/gpu: fix driver name Mauro Carvalho Chehab
2020-08-19 11:46 ` [PATCH 32/49] staging: hikey9xx/gpu: get rid of iommu_format Mauro Carvalho Chehab
2020-08-19 11:46 ` [PATCH 33/49] staging: hikey9xx/gpu: re-work the mode validation code Mauro Carvalho Chehab
2020-08-19 11:46 ` [PATCH 34/49] staging: hikey9xx/gpu: add support for enable/disable ldo3 regulator Mauro Carvalho Chehab
2020-08-19 11:46 ` [PATCH 35/49] staging: hikey9xx/gpu: add SPMI headers Mauro Carvalho Chehab
2020-08-19 11:46 ` [PATCH 36/49] staging: hikey9xx/gpu: solve most coding style issues Mauro Carvalho Chehab
2020-08-19 11:46 ` [PATCH 37/49] staging: hikey9xx/gpu: don't use iommu code Mauro Carvalho Chehab
2020-08-19 11:46 ` [PATCH 38/49] staging: hikey9xx/gpu: add kirin9xx driver to the building system Mauro Carvalho Chehab
2020-08-19 15:30 ` Randy Dunlap
2020-08-19 11:46 ` [PATCH 39/49] staging: hikey9xx/gpu: get rid of typedefs Mauro Carvalho Chehab
2020-08-19 11:46 ` [PATCH 40/49] staging: hikey9xx/gpu: get rid of input/output macros Mauro Carvalho Chehab
2020-08-19 11:46 ` [PATCH 41/49] staging: hikey9xx/gpu: get rid of some unused data Mauro Carvalho Chehab
2020-08-19 11:46 ` [PATCH 42/49] staging: hikey9xx/gpu: place common definitions at kirin9xx_dpe.h Mauro Carvalho Chehab
2020-08-19 11:46 ` [PATCH 43/49] staging: hikey9xx/gpu: get rid of DRM_HISI_KIRIN970 Mauro Carvalho Chehab
2020-08-19 11:46 ` [PATCH 44/49] dts: hisilicon: hi3670.dtsi: add I2C settings Mauro Carvalho Chehab
2020-08-19 11:46 ` [PATCH 45/49] dts: hikey970-pinctrl.dtsi: add missing pinctrl settings Mauro Carvalho Chehab
2020-08-19 11:46 ` [PATCH 46/49] dt: hisilicon: add support for the PMIC found on Hikey 970 Mauro Carvalho Chehab
2020-08-19 11:46 ` [PATCH 47/49] dts: add support for Hikey 970 DRM Mauro Carvalho Chehab
2020-08-19 11:46 ` [PATCH 48/49] staging: hikey9xx/gpu: drop kirin9xx_pwm Mauro Carvalho Chehab
2020-08-19 11:46 ` [PATCH 49/49] dt: display: Add binds for the DPE and DSI controller for Kirin 960/970 Mauro Carvalho Chehab
2020-08-19 21:02 ` Sam Ravnborg
2020-08-19 22:36 ` Rob Herring
2020-08-19 15:21 ` [PATCH 00/49] DRM driver for Hikey 970 Sam Ravnborg
2020-08-19 15:30 ` Laurent Pinchart
2020-08-19 19:52 ` John Stultz
2020-08-20 7:03 ` Mauro Carvalho Chehab
2020-08-20 10:02 ` Laurent Pinchart
2020-08-24 19:29 ` Dave Airlie
2020-08-25 11:30 ` Mauro Carvalho Chehab
2020-08-25 11:38 ` Laurent Pinchart
2020-08-25 12:31 ` Daniel Stone
2020-08-26 14:44 ` Nicolas Dufresne
2020-08-19 15:40 ` Mauro Carvalho Chehab
2020-08-19 17:35 ` Sam Ravnborg
2020-08-20 14:06 ` Mauro Carvalho Chehab
2020-08-20 14:48 ` Sam Ravnborg
2020-08-20 15:13 ` Mauro Carvalho Chehab
2020-08-20 15:36 ` Sam Ravnborg
2020-08-21 13:37 ` Mauro Carvalho Chehab
2020-08-21 13:58 ` Mauro Carvalho Chehab
2020-08-21 15:55 ` Sam Ravnborg
2020-08-24 16:02 ` Mauro Carvalho Chehab
2020-08-24 18:45 ` Sam Ravnborg
2020-08-24 21:10 ` Sam Ravnborg
2020-08-24 21:24 ` Sam Ravnborg
2020-08-25 18:11 ` Sam Ravnborg
2020-08-25 20:21 ` Sam Ravnborg
2020-08-21 14:41 ` Mauro Carvalho Chehab
2020-08-21 15:56 ` Sam Ravnborg
2020-08-24 16:06 ` Mauro Carvalho Chehab
2020-08-19 20:48 ` Sam Ravnborg
2020-08-20 7:21 ` Michel Dänzer
2020-08-20 7:21 ` Mauro Carvalho Chehab
2020-08-21 16:09 ` Joe Perches
2020-08-19 21:13 ` John Stultz
2020-08-19 21:25 ` Sam Ravnborg
2020-08-20 6:40 ` Mauro Carvalho Chehab
2020-08-20 6:34 ` Mauro Carvalho Chehab
2020-08-19 21:36 ` John Stultz
2020-08-20 2:01 ` John Stultz
2020-08-20 3:28 ` John Stultz
2020-08-20 7:48 ` Mauro Carvalho Chehab
2020-08-24 6:49 ` Mauro Carvalho Chehab
2020-08-24 13:18 ` Mauro Carvalho Chehab
2020-08-20 8:04 ` Mauro Carvalho Chehab
2020-08-20 3:39 ` [PATCH 1/3] drm: hikey9xx: Fix inconsistent compat string John Stultz
2020-08-20 3:40 ` [PATCH 2/3] drm: kirin9xxx: Add additional color formats John Stultz
2020-08-20 3:41 ` [PATCH 3/3] drm: hikey9xxx: Fix null pointer crash on reboot John Stultz
2020-08-20 3:56 ` [PATCH 4/3] drm: hikey9xx: remove wait for VACTIVE IRQ John Stultz
2020-08-20 9:04 ` [PATCH 1/3] drm: hikey9xx: Fix inconsistent compat string Mauro Carvalho Chehab
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