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tu: Clamp priority in DRM submitqueue creation

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The kernel driver has a range of valid priority values that can
be supplied to it, submitting any priority value outside these
bounds will result in `-EINVAL`. To avoid this, the priority
value is now clamped to the range that the kernel supports.

Fixes: 0c6fbfca0c
Signed-off-by: Mark Collins <mark@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/18389>
This commit is contained in:
Mark Collins 2022-09-02 10:09:11 +00:00 • committed by Marge Bot
parent c3f51a5dcf
commit c82249aa68
1 changed files with 4 additions and 1 deletions
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5
src/freedreno/vulkan/tu_drm.c
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@ -164,9 +164,12 @@ tu_drm_submitqueue_new(const struct tu_device *dev,
int priority,
uint32_t *queue_id)
{
uint64_t nr_rings = 1;
tu_drm_get_param(dev->physical_device, MSM_PARAM_NR_RINGS, &nr_rings);
struct drm_msm_submitqueue req = {
.flags = 0,
.prio = priority,
.prio = MIN2(priority, MAX2(nr_rings, 1) - 1),
};
int ret = drmCommandWriteRead(dev->fd,