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/openbmc/linux/drivers/gpu/drm/msm/adreno/
H A Da6xx_gpu.h14eb0cb4 Thu Sep 30 12:43:20 CDT 2021 Rob Clark <robdclark@chromium.org> drm/msm/a6xx: Track current ctx by seqno

In theory a context can be destroyed and a new one allocated at the same
address, making the pointer comparision to detect when we don't need to
update the current pagetables invalid. Instead assign a sequence number
to each context on creation, and use this for the check.

Fixes: 84c31ee16f90 ("drm/msm/a6xx: Add support for per-instance pagetables")
Signed-off-by: Rob Clark <robdclark@chromium.org>
H A Da6xx_gpu.c14eb0cb4 Thu Sep 30 12:43:20 CDT 2021 Rob Clark <robdclark@chromium.org> drm/msm/a6xx: Track current ctx by seqno

In theory a context can be destroyed and a new one allocated at the same
address, making the pointer comparision to detect when we don't need to
update the current pagetables invalid. Instead assign a sequence number
to each context on creation, and use this for the check.

Fixes: 84c31ee16f90 ("drm/msm/a6xx: Add support for per-instance pagetables")
Signed-off-by: Rob Clark <robdclark@chromium.org>
/openbmc/linux/drivers/gpu/drm/msm/
H A Dmsm_drv.h14eb0cb4 Thu Sep 30 12:43:20 CDT 2021 Rob Clark <robdclark@chromium.org> drm/msm/a6xx: Track current ctx by seqno

In theory a context can be destroyed and a new one allocated at the same
address, making the pointer comparision to detect when we don't need to
update the current pagetables invalid. Instead assign a sequence number
to each context on creation, and use this for the check.

Fixes: 84c31ee16f90 ("drm/msm/a6xx: Add support for per-instance pagetables")
Signed-off-by: Rob Clark <robdclark@chromium.org>
H A Dmsm_drv.c14eb0cb4 Thu Sep 30 12:43:20 CDT 2021 Rob Clark <robdclark@chromium.org> drm/msm/a6xx: Track current ctx by seqno

In theory a context can be destroyed and a new one allocated at the same
address, making the pointer comparision to detect when we don't need to
update the current pagetables invalid. Instead assign a sequence number
to each context on creation, and use this for the check.

Fixes: 84c31ee16f90 ("drm/msm/a6xx: Add support for per-instance pagetables")
Signed-off-by: Rob Clark <robdclark@chromium.org>