diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/gallium/winsys/amdgpu/drm/amdgpu_cs.c | 18 | ||||
| -rw-r--r-- | src/gallium/winsys/amdgpu/drm/amdgpu_cs.h | 7 |
2 files changed, 23 insertions, 2 deletions
diff --git a/src/gallium/winsys/amdgpu/drm/amdgpu_cs.c b/src/gallium/winsys/amdgpu/drm/amdgpu_cs.c index b3dedef3d73..dd5193c003d 100644 --- a/src/gallium/winsys/amdgpu/drm/amdgpu_cs.c +++ b/src/gallium/winsys/amdgpu/drm/amdgpu_cs.c @@ -682,7 +682,7 @@ static bool amdgpu_ib_new_buffer(struct amdgpu_winsys *ws, struct amdgpu_ib *ib, else buffer_size = 4 *util_next_power_of_two(4 * ib->max_ib_size); - const unsigned min_size = 8 * 1024 * 4; + const unsigned min_size = MAX2(ib->max_check_space_size, 8 * 1024 * 4); const unsigned max_size = 512 * 1024 * 4; buffer_size = MIN2(buffer_size, max_size); @@ -749,6 +749,11 @@ static bool amdgpu_get_new_ib(struct radeon_winsys *ws, struct amdgpu_cs *cs, unreachable("unhandled IB type"); } + /* Always allocate at least the size of the biggest cs_check_space call, + * because precisely the last call might have requested this size. + */ + ib_size = MAX2(ib_size, ib->max_check_space_size); + if (!amdgpu_cs_has_chaining(cs)) { ib_size = MAX2(ib_size, 4 * MIN2(util_next_power_of_two(ib->max_ib_size), @@ -783,6 +788,7 @@ static bool amdgpu_get_new_ib(struct radeon_winsys *ws, struct amdgpu_cs *cs, ib_size = ib->big_ib_buffer->size - ib->used_ib_space; ib->base.current.max_dw = ib_size / 4 - amdgpu_cs_epilog_dws(cs->ring_type); + assert(ib->base.current.max_dw >= ib->max_check_space_size / 4); return true; } @@ -978,11 +984,18 @@ static bool amdgpu_cs_check_space(struct radeon_cmdbuf *rcs, unsigned dw) struct amdgpu_ib *ib = amdgpu_ib(rcs); struct amdgpu_cs *cs = amdgpu_cs_from_ib(ib); unsigned requested_size = rcs->prev_dw + rcs->current.cdw + dw; + unsigned cs_epilog_dw = amdgpu_cs_epilog_dws(cs->ring_type); + unsigned need_byte_size = (dw + cs_epilog_dw) * 4; uint64_t va; uint32_t *new_ptr_ib_size; assert(rcs->current.cdw <= rcs->current.max_dw); + /* 125% of the size for IB epilog. */ + unsigned safe_byte_size = need_byte_size + need_byte_size / 4; + ib->max_check_space_size = MAX2(ib->max_check_space_size, + safe_byte_size); + if (requested_size > amdgpu_ib_max_submit_dwords(ib->ib_type)) return false; @@ -1045,7 +1058,8 @@ static bool amdgpu_cs_check_space(struct radeon_cmdbuf *rcs, unsigned dw) ib->base.current.cdw = 0; ib->base.current.buf = (uint32_t*)(ib->ib_mapped + ib->used_ib_space); - ib->base.current.max_dw = ib->big_ib_buffer->size / 4 - amdgpu_cs_epilog_dws(cs->ring_type); + ib->base.current.max_dw = ib->big_ib_buffer->size / 4 - cs_epilog_dw; + assert(ib->base.current.max_dw >= ib->max_check_space_size / 4); amdgpu_cs_add_buffer(&cs->main.base, ib->big_ib_buffer, RADEON_USAGE_READ, 0, RADEON_PRIO_IB1); diff --git a/src/gallium/winsys/amdgpu/drm/amdgpu_cs.h b/src/gallium/winsys/amdgpu/drm/amdgpu_cs.h index 17c0581b6f4..4f49a9065c6 100644 --- a/src/gallium/winsys/amdgpu/drm/amdgpu_cs.h +++ b/src/gallium/winsys/amdgpu/drm/amdgpu_cs.h @@ -67,6 +67,13 @@ struct amdgpu_ib { struct pb_buffer *big_ib_buffer; uint8_t *ib_mapped; unsigned used_ib_space; + + /* The maximum seen size from cs_check_space. If the driver does + * cs_check_space and flush, the newly allocated IB should have at least + * this size. + */ + unsigned max_check_space_size; + unsigned max_ib_size; uint32_t *ptr_ib_size; bool ptr_ib_size_inside_ib; |