return cmd;
}
-static u32 calc_ctrl_surf_instr_size(struct drm_i915_private *i915, int size)
-{
- u32 num_cmds, num_blks, total_size;
-
- if (!GET_CCS_BYTES(i915, size))
- return 0;
-
- /*
- * XY_CTRL_SURF_COPY_BLT transfers CCS in 256 byte
- * blocks. one XY_CTRL_SURF_COPY_BLT command can
- * transfer upto 1024 blocks.
- */
- num_blks = DIV_ROUND_UP(GET_CCS_BYTES(i915, size),
- NUM_CCS_BYTES_PER_BLOCK);
- num_cmds = DIV_ROUND_UP(num_blks, NUM_CCS_BLKS_PER_XFER);
- total_size = XY_CTRL_SURF_INSTR_SIZE * num_cmds;
-
- /*
- * Adding a flush before and after XY_CTRL_SURF_COPY_BLT
- */
- total_size += 2 * MI_FLUSH_DW_SIZE;
-
- return total_size;
-}
-
static int emit_copy_ccs(struct i915_request *rq,
u32 dst_offset, u8 dst_access,
u32 src_offset, u8 src_access, int size)
{
struct drm_i915_private *i915 = rq->engine->i915;
int mocs = rq->engine->gt->mocs.uc_index << 1;
- u32 num_ccs_blks, ccs_ring_size;
+ u32 num_ccs_blks;
u32 *cs;
- ccs_ring_size = calc_ctrl_surf_instr_size(i915, size);
- WARN_ON(!ccs_ring_size);
-
- cs = intel_ring_begin(rq, round_up(ccs_ring_size, 2));
+ cs = intel_ring_begin(rq, 12);
if (IS_ERR(cs))
return PTR_ERR(cs);
FIELD_PREP(XY_CTRL_SURF_MOCS_MASK, mocs);
cs = i915_flush_dw(cs, MI_FLUSH_DW_LLC | MI_FLUSH_DW_CCS);
- if (ccs_ring_size & 1)
- *cs++ = MI_NOOP;
+ *cs++ = MI_NOOP;
intel_ring_advance(rq, cs);