Linux kernel source tree https://git.amat.us/linux/atom/drivers/gpu/host1x/syncpt.c?h=v3.12.10 2013-06-22T10:43:55Z 2013-06-22T10:43:55Z Arto Merilainen amerilainen@nvidia.com 2013-05-29T10:26:08Z urn:sha1:ebae30b1fbcc2cc991ce705cc82e16d1e5ddbf51 This patch merges host1x_syncpt_cpu_incr to host1x_syncpt_incr() as they are in practise doing the same thing. host1x_syncpt_incr() is also modified to return error codes. User space interface is modified accordingly to pass return values. Signed-off-by: Arto Merilainen <amerilainen@nvidia.com> Acked-By: Terje Bergstrom <tbergstrom@nvidia.com> Signed-off-by: Thierry Reding <thierry.reding@gmail.com> 2013-06-22T10:43:54Z Arto Merilainen amerilainen@nvidia.com 2013-05-29T10:26:07Z urn:sha1:ece66891ff452d5643ac5a61649f632984d83c10 client_managed field in syncpoint structure was defined as an integer. The field holds, however, only a boolean value. This patch modifies the type to boolean. Signed-off-by: Arto Merilainen <amerilainen@nvidia.com> Acked-By: Terje Bergstrom <tbergstrom@nvidia.com> Signed-off-by: Thierry Reding <thierry.reding@gmail.com> 2013-06-22T10:43:54Z Arto Merilainen amerilainen@nvidia.com 2013-05-29T10:26:06Z urn:sha1:edeabfcbc150a48e56dd411195ef812134983d6f This patch fixes a bad memory access in syncpoint request code. If no syncpoints were available, the code accessed unreserved memory area causing unexpected behaviour. Signed-off-by: Arto Merilainen <amerilainen@nvidia.com> Acked-By: Terje Bergstrom <tbergstrom@nvidia.com> Signed-off-by: Thierry Reding <thierry.reding@gmail.com> 2013-04-22T10:32:46Z Terje Bergstrom tbergstrom@nvidia.com 2013-03-22T14:34:04Z urn:sha1:6236451d83a720072053855fa63d51934024a707 Add support for host1x debugging. Adds debugfs entries, and dumps channel state to UART in case of stuck job. 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> 2013-04-22T10:32:43Z Terje Bergstrom tbergstrom@nvidia.com 2013-03-22T14:34:03Z urn:sha1:6579324a41cc414009a601738b70a53d6376325c 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> 2013-04-22T10:32:42Z Terje Bergstrom tbergstrom@nvidia.com 2013-03-22T14:34:02Z urn:sha1:7ede0b0bf3e2595d40d6195b6fe4c4dcef438830 Add support for sync point interrupts, and sync point wait. Sync point wait used interrupts for unblocking wait. 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> 2013-04-22T10:32:40Z Terje Bergstrom tbergstrom@nvidia.com 2013-03-22T14:34:01Z urn:sha1:754716874389ccbea5ee03174df8ad9e72e41880 Add host1x, the driver for host1x and its client unit 2D. The Tegra host1x module is the DMA engine for register access to Tegra's graphics- and multimedia-related modules. The modules served by host1x are referred to as clients. host1x includes some other functionality, such as synchronization. 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>