linux.git/drivers/gpu/drm/tegra/drm.c, branch v6.2.3 Clone of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git drm/tegra: Add Tegra234 support to NVDEC driver 2022-11-25T15:14:58+00:00 Mikko Perttunen mperttunen@nvidia.com 2022-09-20T08:12:03+00:00 fbc82b9b2400e1ce88dc73471c6d5aaf6053677a Add support for the Tegra234 version of NVDEC to the NVDEC driver. This version sports a RISC-V controller and requires a few additional clocks. After firmware has been loaded, the behavior is, however, backwards compatible. Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com> Signed-off-by: Thierry Reding <treding@nvidia.com> 
Add support for the Tegra234 version of NVDEC to the NVDEC driver.
This version sports a RISC-V controller and requires a few additional
clocks. After firmware has been loaded, the behavior is, however,
backwards compatible.

Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
gpu: host1x: Avoid trying to use GART on Tegra20 2022-11-18T08:33:20+00:00 Robin Murphy robin.murphy@arm.com 2022-10-20T14:23:40+00:00 c2418f911a31a266af4fbaca998dc73d3676475a Since commit c7e3ca515e78 ("iommu/tegra: gart: Do not register with bus") quite some time ago, the GART driver has effectively disabled itself to avoid issues with the GPU driver expecting it to work in ways that it doesn't. As of commit 57365a04c921 ("iommu: Move bus setup to IOMMU device registration") that bodge no longer works, but really the GPU driver should be responsible for its own behaviour anyway. Make the workaround explicit. Reported-by: Jon Hunter <jonathanh@nvidia.com> Suggested-by: Dmitry Osipenko <digetx@gmail.com> Signed-off-by: Robin Murphy <robin.murphy@arm.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Signed-off-by: Thierry Reding <treding@nvidia.com> 
Since commit c7e3ca515e78 ("iommu/tegra: gart: Do not register with
bus") quite some time ago, the GART driver has effectively disabled
itself to avoid issues with the GPU driver expecting it to work in ways
that it doesn't. As of commit 57365a04c921 ("iommu: Move bus setup to
IOMMU device registration") that bodge no longer works, but really the
GPU driver should be responsible for its own behaviour anyway. Make the
workaround explicit.

Reported-by: Jon Hunter <jonathanh@nvidia.com>
Suggested-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Merge tag 'drm/tegra/for-5.20-rc1' of https://gitlab.freedesktop.org/drm/tegra into drm-next 2022-07-12T06:50:05+00:00 Dave Airlie airlied@redhat.com 2022-07-12T05:50:41+00:00 8daecf611258d252b3107132d0143752b2e186fc drm/tegra: Changes for v5.20-rc1 The bulk of these changes adds support for context isolation for the various supported host1x engines, as well as support for the hardware found on the new Tegra234 SoC generation. There's also a couple of fixes and cleanups. To round things off, the device tree bindings are converted to the new json-schema format that allows DTBs to be validated. Signed-off-by: Dave Airlie <airlied@redhat.com> From: Thierry Reding <thierry.reding@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220708181136.673789-1-thierry.reding@gmail.com 
drm/tegra: Changes for v5.20-rc1

The bulk of these changes adds support for context isolation for the
various supported host1x engines, as well as support for the hardware
found on the new Tegra234 SoC generation.

There's also a couple of fixes and cleanups. To round things off, the
device tree bindings are converted to the new json-schema format that
allows DTBs to be validated.

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Thierry Reding <thierry.reding@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220708181136.673789-1-thierry.reding@gmail.com
drm/tegra: vic: Add Tegra234 support 2022-07-08T14:27:53+00:00 Mikko Perttunen mperttunen@nvidia.com 2022-06-27T14:20:08+00:00 9550669c197510b9f994102280da7fc0ab468d05 Add Tegra234 support for VIC. It is backwards compatible with Tegra194. Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com> Signed-off-by: Thierry Reding <treding@nvidia.com> 
Add Tegra234 support for VIC. It is backwards compatible with
Tegra194.

Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
drm: Drop drm_framebuffer.h from drm_crtc.h 2022-06-20T20:53:55+00:00 Ville Syrjälä ville.syrjala@linux.intel.com 2022-06-14T09:54:49+00:00 720cf96d8fecde29b72e1101f8a567a0ce99594f drm_crtc.h has no need for drm_frambuffer.h, so don't include it. Avoids useless rebuilds of the entire universe when touching drm_framebuffer.h. Quite a few placs do currently depend on drm_framebuffer.h without actually including it directly. All of those need to be fixed up. v2: Fix up msm some more v2: Deal with ingenic and shmobile as well Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220614095449.29311-1-ville.syrjala@linux.intel.com Acked-by: Sam Ravnborg <sam@ravnborg.org> Acked-by: Jani Nikula <jani.nikula@intel.com> 
drm_crtc.h has no need for drm_frambuffer.h, so don't include it.
Avoids useless rebuilds of the entire universe when
touching drm_framebuffer.h.

Quite a few placs do currently depend on drm_framebuffer.h without
actually including it directly. All of those need to be fixed
up.

v2: Fix up msm some more
v2: Deal with ingenic and shmobile as well

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220614095449.29311-1-ville.syrjala@linux.intel.com
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Merge remote-tracking branch 'drm/drm-next' into drm-misc-next 2022-02-07T16:03:24+00:00 Maarten Lankhorst maarten.lankhorst@linux.intel.com 2022-02-07T16:01:37+00:00 542898c5aa5c6a3179dffb1d1606884a63f75fed First backmerge into drm-misc-next. Required for more helpers backmerged, and to pull in 5.17 (rc2). Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> 
First backmerge into drm-misc-next. Required for more helpers backmerged,
and to pull in 5.17 (rc2).

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
drm/tegra: Add support for the nomodeset kernel parameter 2022-01-27T18:15:50+00:00 Javier Martinez Canillas javierm@redhat.com 2021-12-17T00:37:50+00:00 93804f5d2dd2f9c1b7f45fe630a2f5302ae0dcfb According to disable Documentation/admin-guide/kernel-parameters.txt, this parameter can be used to disable kernel modesetting. DRM drivers will not perform display-mode changes or accelerated rendering and only the system framebuffer will be available if it was set-up. But only a few DRM drivers currently check for nomodeset, make this driver to also support the command line parameter. Signed-off-by: Javier Martinez Canillas <javierm@redhat.com> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20211217003752.3946210-36-javierm@redhat.com 
According to disable Documentation/admin-guide/kernel-parameters.txt, this
parameter can be used to disable kernel modesetting.

DRM drivers will not perform display-mode changes or accelerated rendering
and only the system framebuffer will be available if it was set-up.

But only a few DRM drivers currently check for nomodeset, make this driver
to also support the command line parameter.

Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20211217003752.3946210-36-javierm@redhat.com
drm/tegra: Add back arm_iommu_detach_device() 2021-12-16T13:30:45+00:00 Dmitry Osipenko digetx@gmail.com 2021-12-04T14:58:49+00:00 d210919dbdc8a82c676cc3e3c370b1802be63124 DMA buffers of 2D/3D engines aren't mapped properly when CONFIG_ARM_DMA_USE_IOMMU=y. The memory management code of Tegra DRM driver has a longstanding overhaul overdue and it's not obvious where the problem is in this case. Hence let's add back the old workaround which we already had sometime before. It explicitly detaches DRM devices from the offending implicit IOMMU domain. This fixes a completely broken 2d/3d drivers in case of ARM32 multiplatform kernel config. Cc: stable@vger.kernel.org Fixes: fa6661b7aa0b ("drm/tegra: Optionally attach clients to the IOMMU") Signed-off-by: Dmitry Osipenko <digetx@gmail.com> Signed-off-by: Thierry Reding <treding@nvidia.com> 
DMA buffers of 2D/3D engines aren't mapped properly when
CONFIG_ARM_DMA_USE_IOMMU=y. The memory management code of Tegra DRM driver
has a longstanding overhaul overdue and it's not obvious where the problem
is in this case. Hence let's add back the old workaround which we already
had sometime before. It explicitly detaches DRM devices from the offending
implicit IOMMU domain. This fixes a completely broken 2d/3d drivers in
case of ARM32 multiplatform kernel config.

Cc: stable@vger.kernel.org
Fixes: fa6661b7aa0b ("drm/tegra: Optionally attach clients to the IOMMU")
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
drm/tegra: Consolidate runtime PM management of older UAPI codepath 2021-12-16T13:07:08+00:00 Dmitry Osipenko digetx@gmail.com 2021-11-30T23:23:25+00:00 58ed47adcabb4ce13a60f56230074805957822fa Move runtime PM management of older UAPI code paths into the common place. This removes boilerplate code from client drivers. Signed-off-by: Dmitry Osipenko <digetx@gmail.com> Signed-off-by: Thierry Reding <treding@nvidia.com> 
Move runtime PM management of older UAPI code paths into the common place.
This removes boilerplate code from client drivers.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
drm/tegra: Add NVDEC driver 2021-12-16T13:07:06+00:00 Mikko Perttunen mperttunen@nvidia.com 2021-09-16T14:55:17+00:00 46f226c93d35b936aeec6eb31da932dc2e86f413 Add support for booting and using NVDEC on Tegra210, Tegra186 and Tegra194 to the Host1x and TegraDRM drivers. Booting in secure mode is not currently supported. Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com> Signed-off-by: Thierry Reding <treding@nvidia.com> 
Add support for booting and using NVDEC on Tegra210, Tegra186
and Tegra194 to the Host1x and TegraDRM drivers. Booting in
secure mode is not currently supported.

Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>