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On 5 February 2018 at 11:22, Danilo Krummrich <danilokrummrich at dk-develop.de> wrote: > On Gainward GTX 1070 routing any other SOR than SOR-1 to macro link > 'G' (outp index 7) causes failures: > > [ 6.712111] nouveau 0000:01:00.0: bus: MMIO read of 00000000 FAULT at 61c880 [ IBUS ] > [ 6.724888] nouveau 0000:01:00.0: disp: in...

On 2018-02-05 02:39, Ben Skeggs wrote: > On 5 February 2018 at 11:37, Ben Skeggs <skeggsb at gmail.com> wrote: >> On 5 February 2018 at 11:22, Danilo Krummrich >> <danilokrummrich at dk-develop.de> wrote: >>> On Gainward GTX 1070 routing any other SOR than SOR-1 to macro link >>> 'G' (outp index 7) causes failures: >>> >>> [ 6.712111] nouveau 0000:01:00.0: bus: MMIO read of 00000000 FAULT >>> at 61c880 [ IBUS ] &gt...

Taken from NVIDIA binary driver (Linux 64-bit, revision 390.25) from README.txt. Signed-off-by: Danilo Krummrich <danilokrummrich at dk-develop.de> --- drivers/gpu/drm/nouveau/nvkm/engine/device/pci.c | 41 ++++++++++++++++++++++++ 1 file changed, 41 insertions(+) diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/pci.c b/drivers/gpu/drm/nouveau/nvkm/engine/device/pci.c index f302d2b5782a..d2f9664afcf4 100644 --- a/...

On Mon, Feb 5, 2018 at 12:19 PM, Danilo Krummrich <danilokrummrich at dk-develop.de> wrote: > On 2018-02-05 02:39, Ben Skeggs wrote: >> >> On 5 February 2018 at 11:37, Ben Skeggs <skeggsb at gmail.com> wrote: >>> >>> On 5 February 2018 at 11:22, Danilo Krummrich >>> <danilokrummrich at dk-develop.de> wrote:...

Taken from NVIDIA binary driver (Linux 64-bit, revision 390.25) from README.txt. Signed-off-by: Danilo Krummrich <danilokrummrich at dk-develop.de> --- drivers/gpu/drm/nouveau/nvkm/engine/device/pci.c | 41 ++++++++++++++++++++++++ 1 file changed, 41 insertions(+) diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/pci.c b/drivers/gpu/drm/nouveau/nvkm/engine/device/pci.c index f302d2b5782a..d2f9664afcf4 100644 --- a/...

On 5 February 2018 at 11:37, Ben Skeggs <skeggsb at gmail.com> wrote: > On 5 February 2018 at 11:22, Danilo Krummrich > <danilokrummrich at dk-develop.de> wrote: >> On Gainward GTX 1070 routing any other SOR than SOR-1 to macro link >> 'G' (outp index 7) causes failures: >> >> [ 6.712111] nouveau 0000:01:00.0: bus: MMIO read of 00000000 FAULT at 61c880 [ IBUS ] >> [ 6.724888] nouveau 00...

Hi Ben, still _assuming_ it's an issue of the card I thought about why it works with the NVIDIA binary driver. And I can image they're just trying to do an identity-mapping first and if that doesn't work (e.g. the particular SOR is already in use by another macro link) they just pick the next suitable one. So the case would be that the NVIDIA binary driver always assignes the only

...3.511862] nouveau 0000:01:00.0: DRM: EVO timeout As I'm not able to spot an issue in the driver, I suppose it's firmware related. Therefore to work around this issue skip crossbar routing for this particular macro link and instead use identity mapping. Signed-off-by: Danilo Krummrich <danilokrummrich at dk-develop.de> --- drivers/gpu/drm/nouveau/nvkm/engine/device/pci.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/pci.c b/drivers/gpu/drm/nouveau/nvkm/engine/device/pci.c index d2f9664afcf4..29de270f2232 100644 --- a/dr...

...ast one card where some SOR sublinks being connected to a particular macro link are causing failures. To work around this issue, supply a quirk for such cards which prevents a dynamic mapping of SOR sublink and macro link and instead relies on identity mapping. Signed-off-by: Danilo Krummrich <danilokrummrich at dk-develop.de> --- drivers/gpu/drm/nouveau/include/nvkm/core/device.h | 1 + drivers/gpu/drm/nouveau/nvkm/engine/disp/outp.c | 18 ++++++++++++++++-- 2 files changed, 17 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/device.h b/drivers/gpu/drm/nouve...

...ast one card where some SOR sublinks being connected to a particular macro link are causing failures. To work around this issue, supply a quirk for such cards which prevents a dynamic mapping of SOR sublink and macro link and instead relies on identity mapping. Signed-off-by: Danilo Krummrich <danilokrummrich at dk-develop.de> --- v2: checking actual pad macro and link instead of outp index --- drivers/gpu/drm/nouveau/include/nvkm/core/device.h | 1 + drivers/gpu/drm/nouveau/nvkm/engine/disp/outp.c | 19 +++++++++++++++++-- 2 files changed, 18 insertions(+), 2 deletions(-) diff --git a/drivers/...