linux-dev/drivers/gpu/drm/tegra/drm.c, branch linus/master

Merge remote-tracking branch 'drm/drm-next' into drm-misc-next

2022-02-07T16:03:24Z

First backmerge into drm-misc-next. Required for more helpers backmerged, and to pull in 5.17 (rc2). Signed-off-by: Maarten Lankhorst

drm/tegra: Add support for the nomodeset kernel parameter

2022-01-27T18:15:50Z

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 Acked-by: Daniel Vetter Link: https://patchwork.freedesktop.org/patch/msgid/20211217003752.3946210-36-javierm@redhat.com

drm/tegra: Add back arm_iommu_detach_device()

2021-12-16T13:30:45Z

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 Signed-off-by: Thierry Reding

drm/tegra: Consolidate runtime PM management of older UAPI codepath

2021-12-16T13:07:08Z

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 Signed-off-by: Thierry Reding

drm/tegra: Add NVDEC driver

2021-12-16T13:07:06Z

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 Signed-off-by: Thierry Reding

Merge tag 'drm/tegra/for-5.15-rc1' of ssh://git.freedesktop.org/git/tegra/linux into drm-next

2021-08-26T03:05:19Z

drm/tegra: Changes for v5.15-rc1 The bulk of these changes is a more modern ABI that can be efficiently used on newer SoCs as well as older ones. The userspace parts for this are available here: - libdrm support: https://gitlab.freedesktop.org/tagr/drm/-/commits/drm-tegra-uabi-v8 - VAAPI driver: https://github.com/cyndis/vaapi-tegra-driver In addition, existing userspace from the grate reverse-engineering project has been updated to use this new ABI: - X11 driver: https://github.com/grate-driver/xf86-video-opentegra - 3D driver: https://github.com/grate-driver/grate Other than that, there's also support for display memory bandwidth management for various generations and a bit of cleanup. Signed-off-by: Dave Airlie From: Thierry Reding Link: https://patchwork.freedesktop.org/patch/msgid/20210813163616.2822355-1-thierry.reding@gmail.com

drm/tegra: dc: Support memory bandwidth management

2021-08-13T10:30:33Z

Display controller (DC) performs isochronous memory transfers, and thus, has a requirement for a minimum memory bandwidth that shall be fulfilled, otherwise framebuffer data can't be fetched fast enough and this results in a DC's data-FIFO underflow that follows by a visual corruption. The Memory Controller drivers provide facility for memory bandwidth management via interconnect API. Let's wire up the interconnect API support to the DC driver in order to fix the distorted display output on T30 Ouya, T124 TK1 and other Tegra devices. Tested-by: Peter Geis # Ouya T30 Tested-by: Matt Merhar # Ouya T30 Tested-by: Nicolas Chauvet # PAZ00 T20 and TK1 T124 Signed-off-by: Dmitry Osipenko [treding@nvidia.com: unbreak Tegra186+ display support] Signed-off-by: Thierry Reding

drm/tegra: Bump driver version

2021-08-10T15:04:05Z

Bump driver version to 1.0.0 to allow userspace to detect availability of new interfaces. Signed-off-by: Mikko Perttunen Signed-off-by: Thierry Reding

drm/tegra: Implement job submission part of new UAPI

2021-08-10T15:04:05Z

Implement the job submission IOCTL with a minimum feature set. Signed-off-by: Mikko Perttunen Signed-off-by: Thierry Reding

drm/tegra: Implement syncpoint wait UAPI

2021-08-10T15:04:05Z

Implement new syncpoint wait UAPI. This is different from the legacy one in taking an absolute timestamp in line with modern DRM conventions. Signed-off-by: Mikko Perttunen Signed-off-by: Thierry Reding