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Rather than storing some identifier derived from the application
context that can't be used concretely anywhere, store a pointer to the
client directly so that accesses can be made directly through that
client object.
Reviewed-by: Dmitry Osipenko <digetx@gmail.com>
Tested-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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The compiler is complaining with the following errors:
drivers/gpu/host1x/cdma.c:94:48: error:
passing argument 3 of ‘dma_alloc_wc’ from incompatible pointer type
[-Werror=incompatible-pointer-types]
drivers/gpu/host1x/cdma.c:113:48: error:
passing argument 3 of ‘dma_alloc_wc’ from incompatible pointer type
[-Werror=incompatible-pointer-types]
The expected pointer type of the third argument to dma_alloc_wc() is
dma_addr_t but phys_addr_t is passed.
Change the phys member of struct push_buffer to be dma_addr_t so that we
pass the correct type to dma_alloc_wc().
Also check pb->mapped for non-NULL in the destroy function as that is the
right way of checking if dma_alloc_wc() was successful.
Signed-off-by: Emil Goode <emil.fsw@goode.io>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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There is no host1x_cdma_stop() in the code, let's remove its definition
from the header file.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Reviewed-by: Erik Faye-Lund <kusmabite@gmail.com>
Reviewed-by: Mikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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Add support for the Host1x unit to be located behind
an IOMMU. This is required when gather buffers may be
allocated non-contiguously in physical memory, as can
be the case when TegraDRM is also using the IOMMU.
Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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This reduces the amount of casting that needs to be done to get rid of
annoying warnings on 64-bit builds.
Signed-off-by: Thierry Reding <treding@nvidia.com>
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Add support for host1x client modules, and host1x channels to submit
work to the clients.
Signed-off-by: Arto Merilainen <amerilainen@nvidia.com>
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: Thierry Reding <thierry.reding@avionic-design.de>
Tested-by: Thierry Reding <thierry.reding@avionic-design.de>
Tested-by: Erik Faye-Lund <kusmabite@gmail.com>
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
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