Hi, On Thu, Apr 23, 2020 at 09:09:35AM -0700, Rolf Pedersen wrote: > Okie-doke > > On 04/23/2020 08:59 AM, Sean Young wrote: > > Hi, > > > > On Thu, Apr 23, 2020 at 08:49:17AM -0700, Rolf Pedersen wrote: > > > Hi, > > > > > > On 04/23/2020 08:35 AM, Sean Young wrote: > > > > Hi, > > > > > > > > On Thu, Apr 23, 2020 at 05:32:32AM -0700, Rolf Pedersen wrote: > > > > > Hi Folks, > > > > > I just subscribed after having trouble with this card that worked for 3 > > > > > years on Skylake i5-6500 but stopped tuning when I moved it to AMD Ryzen 5 > > > > > 3400G machine. I found the workaround in the archived thread referenced in > > > > > the subject line and don't know any way to reply directly to it: > > > > > https://www.spinics.net/lists/linux-media/msg114563.html > > > > > > > > > > My card is ATSC as on this page: > > > > > https://www.kernel.org/doc/html/v4.10/media/v4l-drivers/cx23885-cardlist.html > > > > > 57 Hauppauge WinTV-QuadHD-ATSC 0070:6a18, 0070:6b18 > > > > > > > > > > and > > > > > > > > > > [rolf@x570i coup]$ lspcidrake -v | grep Conexant > > > > > cx23885 : Conexant Systems, Inc.|CX23887/8 PCIe Broadcast Audio and > > > > > Video Decoder with 3D Comb [MULTIMEDIA_VIDEO] (vendor:14f1 device:8880 > > > > > subv:0070 subd:6b18) (rev: 04) > > > > > cx23885 : Conexant Systems, Inc.|CX23887/8 PCIe Broadcast Audio and > > > > > Video Decoder with 3D Comb [MULTIMEDIA_VIDEO] (vendor:14f1 device:8880 > > > > > subv:0070 subd:6a18) (rev: 04) > > > > > > > > > > Neither scan, dvbscan, nor w_scan2, nor Kaffeine TV, while finding working > > > > > frequencies, could divulge any services. The workaround was in the > > > > > referenced post: cx23885.debug=8 > > > > > > > > > > I've seen another report of a different kernel option that worked on Ryzen: > > > > > |cx23885.dma_reset_workaround=2 here: > > > > > https://www.dslreports.com/forum/r32639318-SFF-3400G-build#32640298 > > > > > > > > > > Ok. Just wanted to join the chorus with a *metoo* in case I can provide > > > > > some (guided) forensics. > > > > So there is a commit for a related issue: > > > > > > > > https://git.linuxtv.org/media_tree.git/commit/?id=4bd46aa0353e022c2401a258e93b107880a66533 > > > > > > > > That is kernel v5.0 and higher. So: > > > > > > > > 1. What kernel are you using? > > > > > > > > 2. What is the full lspci -n of your machine? > > > > > > > > Thanks, > > > > > > > > Sean > > > > > > > [rolf@x570i ~]$ uname -r > > > 5.5.15-desktop-3.mga7 > > > [rolf@x570i ~]$ > > > [rolf@x570i ~]$ > > > [rolf@x570i ~]$ lspci -n > > > 00:00.0 0600: 1022:15d0 > > > 00:00.2 0806: 1022:15d1 > > > 00:01.0 0600: 1022:1452 > > > 00:01.1 0604: 1022:15d3 > > > 00:01.2 0604: 1022:15d3 > > > 00:01.6 0604: 1022:15d3 > > > 00:08.0 0600: 1022:1452 > > > 00:08.1 0604: 1022:15db > > > 00:08.2 0604: 1022:15dc > > > 00:14.0 0c05: 1022:790b (rev 61) > > > 00:14.3 0601: 1022:790e (rev 51) > > > 00:18.0 0600: 1022:15e8 > > > 00:18.1 0600: 1022:15e9 > > > 00:18.2 0600: 1022:15ea > > > 00:18.3 0600: 1022:15eb > > > 00:18.4 0600: 1022:15ec > > > 00:18.5 0600: 1022:15ed > > > 00:18.6 0600: 1022:15ee > > > 00:18.7 0600: 1022:15ef > > > 01:00.0 0604: 12d8:2304 (rev 05) > > > 02:01.0 0604: 12d8:2304 (rev 05) > > > 02:02.0 0604: 12d8:2304 (rev 05) > > > 03:00.0 0400: 14f1:8880 (rev 04) > > > 04:00.0 0400: 14f1:8880 (rev 04) > > > 05:00.0 0604: 1022:57ad > > > 06:02.0 0604: 1022:57a3 > > > 06:04.0 0604: 1022:57a3 > > > 06:08.0 0604: 1022:57a4 > > > 06:09.0 0604: 1022:57a4 > > > 06:0a.0 0604: 1022:57a4 > > > 07:00.0 0280: 8086:2723 (rev 1a) > > > 08:00.0 0200: 8086:1539 (rev 03) > > > 09:00.0 1300: 1022:1485 > > > 09:00.1 0c03: 1022:149c > > > 09:00.3 0c03: 1022:149c > > > 0a:00.0 0106: 1022:7901 (rev 51) > > > 0b:00.0 0106: 1022:7901 (rev 51) > > > 0c:00.0 0108: 144d:a808 > > > 0d:00.0 0300: 1002:15d8 (rev c8) > > > 0d:00.1 0403: 1002:15de > > > 0d:00.2 1080: 1022:15df > > > 0d:00.3 0c03: 1022:15e0 > > > 0d:00.4 0c03: 1022:15e1 > > > 0d:00.6 0403: 1022:15e3 > > > 0e:00.0 0106: 1022:7901 (rev 61) > > Thanks. > > > > I'm afraid that I should have asked for: lspci -v > > > > That would be helpful, thanks. > > > > > > Sean > > > Please find output of `sudo lspci -v` attached. > Thanks, > Rolf > > 00:00.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Raven/Raven2 Root Complex > Subsystem: ASUSTeK Computer Inc. Device 876b > Flags: fast devsel > > 00:00.2 IOMMU: Advanced Micro Devices, Inc. [AMD] Raven/Raven2 IOMMU > Subsystem: Advanced Micro Devices, Inc. [AMD] Raven/Raven2 IOMMU > Flags: bus master, fast devsel, latency 0, IRQ 26 > Capabilities: [40] Secure device <?> > Capabilities: [64] MSI: Enable+ Count=1/4 Maskable- 64bit+ > Capabilities: [74] HyperTransport: MSI Mapping Enable+ Fixed+ Can you please try this patch and let us know if it works: >From c761fe49e66236b7e459d9f501ed20fd401181b8 Mon Sep 17 00:00:00 2001 From: Sean Young <sean@xxxxxxxx> Date: Thu, 23 Apr 2020 17:28:09 +0100 Subject: [PATCH] media: cx23885: add a missing vid for another problematic AMD IOMMU The issue described in commit 95f408bbc4e4 ("media: cx23885: Ryzen DMA related RiSC engine stall fixes") also affects this device. Fixes: 95f408bbc4e4 ("media: cx23885: Ryzen DMA related RiSC engine stall fixes") Cc: Brad Love <brad@xxxxxxxxxxxxxxxx> Signed-off-by: Sean Young <sean@xxxxxxxx> --- drivers/media/pci/cx23885/cx23885-core.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/media/pci/cx23885/cx23885-core.c b/drivers/media/pci/cx23885/cx23885-core.c index 7e0b0b7cc2a3..1ed3b76de2fa 100644 --- a/drivers/media/pci/cx23885/cx23885-core.c +++ b/drivers/media/pci/cx23885/cx23885-core.c @@ -2074,6 +2074,7 @@ static struct { * 0x1451 is PCI ID for the IOMMU found on Ryzen */ { PCI_VENDOR_ID_AMD, 0x1451 }, + { PCI_VENDOR_ID_AMD, 0x15d1 }, /* Raven2 IOMMU */ }; static bool cx23885_does_need_dma_reset(void) -- 2.25.3
