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From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Ben Skeggs <bskeggs@redhat.com>, Sasha Levin <sashal@kernel.org>,
	dri-devel@lists.freedesktop.org, nouveau@lists.freedesktop.org
Subject: [PATCH AUTOSEL 5.7 15/19] drm/nouveau/i2c/g94-: increase NV_PMGR_DP_AUXCTL_TRANSACTREQ timeout
Date: Tue, 14 Jul 2020 10:38:45 -0400	[thread overview]
Message-ID: <20200714143849.4035283-15-sashal@kernel.org> (raw)
In-Reply-To: <20200714143849.4035283-1-sashal@kernel.org>

From: Ben Skeggs <bskeggs@redhat.com>

[ Upstream commit 0156e76d388310a490aeb0f2fbb5b284ded3aecc ]

Tegra TRM says worst-case reply time is 1216us, and this should fix some
spurious timeouts that have been popping up.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxg94.c   | 4 ++--
 drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxgm200.c | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxg94.c b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxg94.c
index c8ab1b5741a3e..db7769cb33eba 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxg94.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxg94.c
@@ -118,10 +118,10 @@ g94_i2c_aux_xfer(struct nvkm_i2c_aux *obj, bool retry,
 		if (retries)
 			udelay(400);
 
-		/* transaction request, wait up to 1ms for it to complete */
+		/* transaction request, wait up to 2ms for it to complete */
 		nvkm_wr32(device, 0x00e4e4 + base, 0x00010000 | ctrl);
 
-		timeout = 1000;
+		timeout = 2000;
 		do {
 			ctrl = nvkm_rd32(device, 0x00e4e4 + base);
 			udelay(1);
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxgm200.c b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxgm200.c
index 7ef60895f43a7..edb6148cbca04 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxgm200.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxgm200.c
@@ -118,10 +118,10 @@ gm200_i2c_aux_xfer(struct nvkm_i2c_aux *obj, bool retry,
 		if (retries)
 			udelay(400);
 
-		/* transaction request, wait up to 1ms for it to complete */
+		/* transaction request, wait up to 2ms for it to complete */
 		nvkm_wr32(device, 0x00d954 + base, 0x00010000 | ctrl);
 
-		timeout = 1000;
+		timeout = 2000;
 		do {
 			ctrl = nvkm_rd32(device, 0x00d954 + base);
 			udelay(1);
-- 
2.25.1


  parent reply	other threads:[~2020-07-14 14:44 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-14 14:38 [PATCH AUTOSEL 5.7 01/19] gpio: arizona: handle pm_runtime_get_sync failure case Sasha Levin
2020-07-14 14:38 ` [PATCH AUTOSEL 5.7 02/19] gpio: arizona: put pm_runtime in case of failure Sasha Levin
2020-07-14 14:38 ` [PATCH AUTOSEL 5.7 03/19] KVM: s390: reduce number of IO pins to 1 Sasha Levin
2020-07-14 14:38 ` [PATCH AUTOSEL 5.7 04/19] pinctrl: amd: fix npins for uart0 in kerncz_groups Sasha Levin
2020-07-14 14:38 ` [PATCH AUTOSEL 5.7 05/19] bpf: Set the number of exception entries properly for subprograms Sasha Levin
2020-07-14 14:38 ` [PATCH AUTOSEL 5.7 06/19] mac80211: allow rx of mesh eapol frames with default rx key Sasha Levin
2020-07-14 14:38 ` [PATCH AUTOSEL 5.7 07/19] scsi: scsi_transport_spi: Fix function pointer check Sasha Levin
2020-07-14 14:38 ` [PATCH AUTOSEL 5.7 08/19] xtensa: fix __sync_fetch_and_{and,or}_4 declarations Sasha Levin
2020-07-14 14:38 ` [PATCH AUTOSEL 5.7 09/19] xtensa: update *pos in cpuinfo_op.next Sasha Levin
2020-07-14 14:38 ` [PATCH AUTOSEL 5.7 10/19] scsi: mpt3sas: Fix unlock imbalance Sasha Levin
2020-07-14 14:38 ` [PATCH AUTOSEL 5.7 11/19] drivers/net/wan/lapbether: Fixed the value of hard_header_len Sasha Levin
2020-07-14 14:38 ` [PATCH AUTOSEL 5.7 12/19] ALSA: hda/hdmi: fix failures at PCM open on Intel ICL and later Sasha Levin
2020-07-14 14:38 ` [PATCH AUTOSEL 5.7 13/19] net: usb: qmi_wwan: add support for Quectel EG95 LTE modem Sasha Levin
2020-07-14 14:38 ` [PATCH AUTOSEL 5.7 14/19] net: sky2: initialize return of gm_phy_read Sasha Levin
2020-07-14 14:38 ` Sasha Levin [this message]
2020-07-14 14:38 ` [PATCH AUTOSEL 5.7 16/19] scsi: mpt3sas: Fix error returns in BRM_status_show Sasha Levin
2020-07-14 14:38 ` [PATCH AUTOSEL 5.7 17/19] scsi: dh: Add Fujitsu device to devinfo and dh lists Sasha Levin
2020-07-14 14:38 ` [PATCH AUTOSEL 5.7 18/19] dm: use bio_uninit instead of bio_disassociate_blkg Sasha Levin
2020-07-14 14:38 ` [PATCH AUTOSEL 5.7 19/19] drivers/firmware/psci: Fix memory leakage in alloc_init_cpu_groups() Sasha Levin

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