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path: root/drivers/gpu/drm/vc4/vc4_render_cl.c
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* drm/vc4: fix a bounds checkDan Carpenter2017-02-01
| | | | | | | | | | | | | commit 21ccc32496b2f63228f5232b3ac0e426e8fb3c31 upstream. We accidentally return success even if vc4_full_res_bounds_check() fails. Fixes: d5b1a78a772f ("drm/vc4: Add support for drawing 3D frames.") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Eric Engestrom <eric@engestrom.ch> Reviewed-by: Eric Anholt <eric@anholt.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* drm/vc4: Fix races when the CS reads from render targets.Eric Anholt2016-10-06
| | | | | | | | | | | | | With the introduction of bin/render pipelining, the previous job may not be completed when we start binning the next one. If the previous job wrote our VBO, IB, or CS textures, then the binning stage might get stale or uninitialized results. Fixes the major rendering failure in glmark2 -b terrain. Signed-off-by: Eric Anholt <eric@anholt.net> Fixes: ca26d28bbaa3 ("drm/vc4: improve throughput by pipelining binning and rendering jobs") Cc: stable@vger.kernel.org
* drm/vc4: Return an ERR_PTR from BO creation instead of NULL.Eric Anholt2016-02-16
| | | | | | | Fixes igt vc4_create_bo/create-bo-0 by returning -EINVAL from the ioctl instead of -ENOMEM. Signed-off-by: Eric Anholt <eric@anholt.net>
* drm/vc4: Fix the clear color for the first tile rendered.Eric Anholt2016-02-16
| | | | | | | | Apparently in hardware (as opposed to simulation), the clear colors need to be uploaded before the render config, otherwise they won't take effect. Fixes igt's vc4_wait_bo/used-bo-* subtests. Signed-off-by: Eric Anholt <eric@anholt.net>
* drm/vc4: Add support for drawing 3D frames.Eric Anholt2015-12-07
The user submission is basically a pointer to a command list and a pointer to uniforms. We copy those in to the kernel, validate and relocate them, and store the result in a GPU BO which we queue for execution. v2: Drop support for NV shader recs (not necessary for GL), simplify vc4_use_bo(), improve bin flush/semaphore checks, use __u32 style types. Signed-off-by: Eric Anholt <eric@anholt.net>