On 4/26/2023 14:51, Dixit, Ashutosh wrote:
On Tue, 25 Apr 2023 13:19:25 -0700, john.c.harri...@intel.com wrote:
@@ -3623,7 +3624,17 @@ decode_3d_965(struct intel_decode *ctx)
                return len;

        case 0x7a00:
-               if (IS_GEN6(devid) || IS_GEN7(devid)) {
+               if (IS_GEN12(devid)) {
+                       if (len != 6)
+                               fprintf(out, "Bad count in PIPE_CONTROL\n");
+                       instr_out(ctx, 0, "PIPE_CONTROL\n");
+                       instr_out(ctx, 1, "flags\n");
+                       instr_out(ctx, 2, "write address low\n");
+                       instr_out(ctx, 3, "write address high\n");
+                       instr_out(ctx, 4, "write data low\n");
+                       instr_out(ctx, 5, "write data high\n");
+                       return len;
Is there a reference for this? I can review but have no idea what's going
on here. The rest of the patch looks good. Thanks.
Just the bspec definition of PIPE_CONTROL. On later gens it has more data - 64bit rather than 32bit addressing I think.

John.


+               } else if (IS_GEN6(devid) || IS_GEN7(devid)) {
                        if (len != 4 && len != 5)
                                fprintf(out, "Bad count in PIPE_CONTROL\n");

--
2.39.1


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