New registers.
Currently uncertain how exactly to mask fault buffer interrupts. This will
likely be corrected at around the same time as the new MC interrupt stuff
has been properly figured out and implemented.
For the moment, it shouldn't matter too much.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Things are a bit different here on Turing, and will require further changes
yet once I've investigated them more thoroughly.
For now though, the existing GP100 code is compatible enough with one small
hack to forward on fault buffer interrupts.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
The token will also contain runlist ID on Turing, so instead expose it as
an opaque value from NVKM so the client doesn't need to care.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
The GPU saves off some stuff to the address specified in this part of RAMFC
when the channel faults, so we should probably point it at a valid address.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This is needed for Turing, but we're supposed to wait for completion after
re-writing the value on older GPUs anyway.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Aside from being a nice cleanup, these will to allow the upcoming direct
page mapping interfaces to play nicely with normal mappings.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
The GPU will continually fire interrupts while a fault buffer GET != PUT,
and to stop the spurious interrupts while the handler does its thing, we
were disabling the fault buffer temporarily.
This is not actually a great idea to begin with, and made worse by Volta
resetting GET/PUT when it's reactivated. So, let's not do that.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Various structures are accessed by the GPU through BAR2 for some reason
on newer GPUs. This commit makes it more convenient to handle.
Will be used for GP100- fault buffers, and GV100- fault method buffers.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This makes debugging with DP tracing a lot harder to interpret, so name
each i2c based off the name of the encoder that it's for
Signed-off-by: Lyude Paul <lyude@redhat.com>
Reviewed-by: Karol Herbst <karolherbst@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
We need to actually make sure we check this on resume since otherwise we
won't know whether or not the topology is still there once we've
resumed, which will cause us to still think the topology is connected
even after it's been removed if the removal happens mid-suspend.
Signed-off-by: Lyude Paul <lyude@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
With this, nvbios /sys/kernel/debug/dri/*/vbios.rom now works!
Signed-off-by: Lyude Paul <lyude@redhat.com>
Reviewed-by: Karol Herbst <kherbst@redhat.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Since we already expose the vbios.rom file here, why not also expose the
strap_peek?
Signed-off-by: Lyude Paul <lyude@redhat.com>
Reviewed-by: Karol Herbst <kherbst@redhat.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
UAPI Changes:
Core Changes:
- Add dma_fence_get_stub to dma-buf, and use it in drm/syncobj.
- Add and use DRM_MODESET_LOCK_BEGIN/END helpers.
- Small fixes to drm_atomic_helper_resume(), drm_mode_setcrtc() and
drm_atomic_helper_commit_duplicated_state()
- Fix drm_atomic_state_helper.[c] extraction.
Driver Changes:
- Small fixes to tinydrm, vkms, meson, rcar-du, virtio, vkms,
v3d, and pl111.
- vc4: Allow scaling and YUV formats on cursor planes.
- v3d: Enable use of the Texture Formatting Unit, and fix
prime imports of buffers from other drivers.
- Add support for the AUO G101EVN010 panel.
- sun4i: Enable support for the H6 display engine.
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Merge tag 'drm-misc-next-2018-12-06' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
Final changes to drm-misc-next for v4.21:
UAPI Changes:
Core Changes:
- Add dma_fence_get_stub to dma-buf, and use it in drm/syncobj.
- Add and use DRM_MODESET_LOCK_BEGIN/END helpers.
- Small fixes to drm_atomic_helper_resume(), drm_mode_setcrtc() and
drm_atomic_helper_commit_duplicated_state()
- Fix drm_atomic_state_helper.[c] extraction.
Driver Changes:
- Small fixes to tinydrm, vkms, meson, rcar-du, virtio, vkms,
v3d, and pl111.
- vc4: Allow scaling and YUV formats on cursor planes.
- v3d: Enable use of the Texture Formatting Unit, and fix
prime imports of buffers from other drivers.
- Add support for the AUO G101EVN010 panel.
- sun4i: Enable support for the H6 display engine.
Signed-off-by: Dave Airlie <airlied@redhat.com>
[airlied: added drm/v3d: fix broken build to the merge commit]
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/321be9d3-ab75-5f92-8193-e5113662edef@linux.intel.com
Ben Skeggs