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/openbmc/linux/drivers/gpu/drm/tegra/
H A Duapi.hdiff c6aeaf56f468a565f6d2f27325fc07d35cdcd3cb Thu Sep 09 08:51:24 CDT 2021 Thierry Reding <treding@nvidia.com> drm/tegra: Implement correct DMA-BUF semantics

DMA-BUF requires that each device that accesses a DMA-BUF attaches to it
separately. To do so the host1x_bo_pin() and host1x_bo_unpin() functions
need to be reimplemented so that they can return a mapping, which either
represents an attachment or a map of the driver's own GEM object.

Signed-off-by: Thierry Reding <treding@nvidia.com>
H A Dsubmit.cdiff c6aeaf56f468a565f6d2f27325fc07d35cdcd3cb Thu Sep 09 08:51:24 CDT 2021 Thierry Reding <treding@nvidia.com> drm/tegra: Implement correct DMA-BUF semantics

DMA-BUF requires that each device that accesses a DMA-BUF attaches to it
separately. To do so the host1x_bo_pin() and host1x_bo_unpin() functions
need to be reimplemented so that they can return a mapping, which either
represents an attachment or a map of the driver's own GEM object.

Signed-off-by: Thierry Reding <treding@nvidia.com>
H A Duapi.cdiff c6aeaf56f468a565f6d2f27325fc07d35cdcd3cb Thu Sep 09 08:51:24 CDT 2021 Thierry Reding <treding@nvidia.com> drm/tegra: Implement correct DMA-BUF semantics

DMA-BUF requires that each device that accesses a DMA-BUF attaches to it
separately. To do so the host1x_bo_pin() and host1x_bo_unpin() functions
need to be reimplemented so that they can return a mapping, which either
represents an attachment or a map of the driver's own GEM object.

Signed-off-by: Thierry Reding <treding@nvidia.com>
H A Dplane.hdiff c6aeaf56f468a565f6d2f27325fc07d35cdcd3cb Thu Sep 09 08:51:24 CDT 2021 Thierry Reding <treding@nvidia.com> drm/tegra: Implement correct DMA-BUF semantics

DMA-BUF requires that each device that accesses a DMA-BUF attaches to it
separately. To do so the host1x_bo_pin() and host1x_bo_unpin() functions
need to be reimplemented so that they can return a mapping, which either
represents an attachment or a map of the driver's own GEM object.

Signed-off-by: Thierry Reding <treding@nvidia.com>
H A Dplane.cdiff c6aeaf56f468a565f6d2f27325fc07d35cdcd3cb Thu Sep 09 08:51:24 CDT 2021 Thierry Reding <treding@nvidia.com> drm/tegra: Implement correct DMA-BUF semantics

DMA-BUF requires that each device that accesses a DMA-BUF attaches to it
separately. To do so the host1x_bo_pin() and host1x_bo_unpin() functions
need to be reimplemented so that they can return a mapping, which either
represents an attachment or a map of the driver's own GEM object.

Signed-off-by: Thierry Reding <treding@nvidia.com>
H A Dgem.cdiff c6aeaf56f468a565f6d2f27325fc07d35cdcd3cb Thu Sep 09 08:51:24 CDT 2021 Thierry Reding <treding@nvidia.com> drm/tegra: Implement correct DMA-BUF semantics

DMA-BUF requires that each device that accesses a DMA-BUF attaches to it
separately. To do so the host1x_bo_pin() and host1x_bo_unpin() functions
need to be reimplemented so that they can return a mapping, which either
represents an attachment or a map of the driver's own GEM object.

Signed-off-by: Thierry Reding <treding@nvidia.com>
/openbmc/linux/drivers/gpu/host1x/
H A Djob.hdiff c6aeaf56f468a565f6d2f27325fc07d35cdcd3cb Thu Sep 09 08:51:24 CDT 2021 Thierry Reding <treding@nvidia.com> drm/tegra: Implement correct DMA-BUF semantics

DMA-BUF requires that each device that accesses a DMA-BUF attaches to it
separately. To do so the host1x_bo_pin() and host1x_bo_unpin() functions
need to be reimplemented so that they can return a mapping, which either
represents an attachment or a map of the driver's own GEM object.

Signed-off-by: Thierry Reding <treding@nvidia.com>
H A Djob.cdiff c6aeaf56f468a565f6d2f27325fc07d35cdcd3cb Thu Sep 09 08:51:24 CDT 2021 Thierry Reding <treding@nvidia.com> drm/tegra: Implement correct DMA-BUF semantics

DMA-BUF requires that each device that accesses a DMA-BUF attaches to it
separately. To do so the host1x_bo_pin() and host1x_bo_unpin() functions
need to be reimplemented so that they can return a mapping, which either
represents an attachment or a map of the driver's own GEM object.

Signed-off-by: Thierry Reding <treding@nvidia.com>
/openbmc/linux/include/linux/
H A Dhost1x.hdiff c6aeaf56f468a565f6d2f27325fc07d35cdcd3cb Thu Sep 09 08:51:24 CDT 2021 Thierry Reding <treding@nvidia.com> drm/tegra: Implement correct DMA-BUF semantics

DMA-BUF requires that each device that accesses a DMA-BUF attaches to it
separately. To do so the host1x_bo_pin() and host1x_bo_unpin() functions
need to be reimplemented so that they can return a mapping, which either
represents an attachment or a map of the driver's own GEM object.

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