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drm/amd/display: use ttm_eu_reserve_buffers instead of amdgpu_bo_reserve v2 

add ticket for display bo, so that it can preempt busy bo.

v2: fix stupid rebase error

Signed-off-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Tested-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
alistair/sunxi64-5.4-dsi
Chunming Zhou 2019-05-07 19:45:31 +08:00 committed by Alex Deucher
parent d367bd2a5e
commit 0f257b0953
1 changed files with 16 additions and 5 deletions
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21
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
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@ -4107,6 +4107,9 @@ static int dm_plane_helper_prepare_fb(struct drm_plane *plane,
struct amdgpu_device *adev;
struct amdgpu_bo *rbo;
struct dm_plane_state *dm_plane_state_new, *dm_plane_state_old;
struct list_head list;
struct ttm_validate_buffer tv;
struct ww_acquire_ctx ticket;
uint64_t tiling_flags;
uint32_t domain;
int r;
@ -4123,9 +4126,17 @@ static int dm_plane_helper_prepare_fb(struct drm_plane *plane,
obj = new_state->fb->obj[0];
rbo = gem_to_amdgpu_bo(obj);
adev = amdgpu_ttm_adev(rbo->tbo.bdev);
r = amdgpu_bo_reserve(rbo, false);
if (unlikely(r != 0))
INIT_LIST_HEAD(&list);
tv.bo = &rbo->tbo;
tv.num_shared = 1;
list_add(&tv.head, &list);
r = ttm_eu_reserve_buffers(&ticket, &list, false, NULL, true);
if (r) {
dev_err(adev->dev, "fail to reserve bo (%d)\n", r);
return r;
}
if (plane->type != DRM_PLANE_TYPE_CURSOR)
domain = amdgpu_display_supported_domains(adev);
@ -4136,21 +4147,21 @@ static int dm_plane_helper_prepare_fb(struct drm_plane *plane,
if (unlikely(r != 0)) {
if (r != -ERESTARTSYS)
DRM_ERROR("Failed to pin framebuffer with error %d\n", r);
amdgpu_bo_unreserve(rbo);
ttm_eu_backoff_reservation(&ticket, &list);
return r;
}
r = amdgpu_ttm_alloc_gart(&rbo->tbo);
if (unlikely(r != 0)) {
amdgpu_bo_unpin(rbo);
amdgpu_bo_unreserve(rbo);
ttm_eu_backoff_reservation(&ticket, &list);
DRM_ERROR("%p bind failed\n", rbo);
return r;
}
amdgpu_bo_get_tiling_flags(rbo, &tiling_flags);
amdgpu_bo_unreserve(rbo);
ttm_eu_backoff_reservation(&ticket, &list);
afb->address = amdgpu_bo_gpu_offset(rbo);