For the series:
Reviewed-by: Marek Olšák <marek.ol...@amd.com>
Marek
On Wed, Jun 22, 2016 at 11:40 AM, Nicolai Hähnle <nhaeh...@gmail.com> wrote:
> From: Nicolai Hähnle <nicolai.haeh...@amd.com>
>
> This should help flush out GPU VM faults.
> ---
> src/gallium/winsys/radeon/drm/radeon_drm_bo.c | 4 +++-
> src/gallium/winsys/radeon/drm/radeon_drm_winsys.c | 4 +++-
> src/gallium/winsys/radeon/drm/radeon_drm_winsys.h | 1 +
> 3 files changed, 7 insertions(+), 2 deletions(-)
>
> diff --git a/src/gallium/winsys/radeon/drm/radeon_drm_bo.c
> b/src/gallium/winsys/radeon/drm/radeon_drm_bo.c
> index 2c10e2e..58b52a4 100644
> --- a/src/gallium/winsys/radeon/drm/radeon_drm_bo.c
> +++ b/src/gallium/winsys/radeon/drm/radeon_drm_bo.c
> @@ -555,8 +555,10 @@ static struct radeon_bo *radeon_create_bo(struct
> radeon_drm_winsys *rws,
>
> if (rws->info.has_virtual_memory) {
> struct drm_radeon_gem_va va;
> + unsigned va_gap_size;
>
> - bo->va = radeon_bomgr_find_va(rws, size, alignment);
> + va_gap_size = rws->check_vm ? MAX2(4 * alignment, 64 * 1024) : 0;
> + bo->va = radeon_bomgr_find_va(rws, size + va_gap_size, alignment);
>
> va.handle = bo->handle;
> va.vm_id = 0;
> diff --git a/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
> b/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
> index 1f296f4..625ea8a 100644
> --- a/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
> +++ b/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
> @@ -527,6 +527,8 @@ static boolean do_winsys_init(struct radeon_drm_winsys
> *ws)
> (ws->info.family == CHIP_HAWAII &&
> ws->accel_working2 < 3);
>
> + ws->check_vm = strstr(debug_get_option("R600_DEBUG", ""), "check_vm") !=
> NULL;
> +
> return TRUE;
> }
>
> @@ -742,7 +744,7 @@ radeon_drm_winsys_create(int fd, radeon_screen_create_t
> screen_create)
> if (!do_winsys_init(ws))
> goto fail1;
>
> - pb_cache_init(&ws->bo_cache, 500000, 2.0f, 0,
> + pb_cache_init(&ws->bo_cache, 500000, ws->check_vm ? 1.0f : 2.0f, 0,
> MIN2(ws->info.vram_size, ws->info.gart_size),
> radeon_bo_destroy,
> radeon_bo_can_reclaim);
> diff --git a/src/gallium/winsys/radeon/drm/radeon_drm_winsys.h
> b/src/gallium/winsys/radeon/drm/radeon_drm_winsys.h
> index c429aba..fdbaebe 100644
> --- a/src/gallium/winsys/radeon/drm/radeon_drm_winsys.h
> +++ b/src/gallium/winsys/radeon/drm/radeon_drm_winsys.h
> @@ -91,6 +91,7 @@ struct radeon_drm_winsys {
>
> uint64_t va_offset;
> struct list_head va_holes;
> + bool check_vm;
>
> struct radeon_surface_manager *surf_man;
>
> --
> 2.7.4
>
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