freedreno: Rename CP_SET_CTXSWITCH_IB to CP_SET_AMBLE

To match kgsl. Also make KMD_AMBLE_TYPE match the kgsl name, and invent
some names for the other types to be consistent.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/30942>

src/freedreno/.gitlab-ci/reference/afuc_test.asm

@@ -210,8 +210,8 @@ CP_REG_WRITE:
 CP_REG_WR_NO_CTXT:
 CP_RUN_OPENCL:
 CP_SCRATCH_TO_REG:
+CP_SET_AMBLE:
 CP_SET_BIN_DATA5_OFFSET:
-CP_SET_CTXSWITCH_IB:
 CP_SET_DRAW_INIT_FLAGS:
 CP_SET_MARKER:
 CP_SET_MODE:

src/freedreno/.gitlab-ci/reference/afuc_test_a7xx.asm

@@ -244,8 +244,8 @@ CP_RESET_CONTEXT_STATE:
 CP_RESOURCE_LIST:
 CP_RUN_OPENCL:
 CP_SCRATCH_TO_REG:
+CP_SET_AMBLE:
 CP_SET_BIN_DATA5_OFFSET:
-CP_SET_CTXSWITCH_IB:
 CP_SET_DRAW_INIT_FLAGS:
 CP_SET_MARKER:
 CP_SET_MODE:
@@ -410,9 +410,9 @@ CP_RESET_CONTEXT_STATE:
 CP_RESOURCE_LIST:
 CP_RUN_OPENCL:
 CP_SCRATCH_TO_REG:
+CP_SET_AMBLE:
 CP_SET_BIN_DATA5:
 CP_SET_BIN_DATA5_OFFSET:
-CP_SET_CTXSWITCH_IB:
 CP_SET_DRAW_INIT_FLAGS:
 CP_SET_DRAW_STATE:
 CP_SET_MARKER:
@@ -573,9 +573,9 @@ CP_RESET_CONTEXT_STATE:
 CP_RESOURCE_LIST:
 CP_RUN_OPENCL:
 CP_SCRATCH_TO_REG:
+CP_SET_AMBLE:
 CP_SET_BIN_DATA5:
 CP_SET_BIN_DATA5_OFFSET:
-CP_SET_CTXSWITCH_IB:
 CP_SET_DRAW_INIT_FLAGS:
 CP_SET_DRAW_STATE:
 CP_SET_MARKER:

src/freedreno/.gitlab-ci/traces/afuc_test.asm

@@ -292,7 +292,7 @@ CP_END_BIN:
 CP_WAIT_REG_EQ:
 CP_SMMU_TABLE_UPDATE:
 UNKN84:
-CP_SET_CTXSWITCH_IB:
+CP_SET_AMBLE:
 CP_SET_PSEUDO_REG:
 CP_INDIRECT_BUFFER_CHAIN:
 CP_EVENT_WRITE_SHD:

src/freedreno/.gitlab-ci/traces/afuc_test_a7xx.asm

@@ -328,7 +328,7 @@ CP_END_BIN:
 CP_WAIT_REG_EQ:
 CP_SMMU_TABLE_UPDATE:
 UNKN84:
-CP_SET_CTXSWITCH_IB:
+CP_SET_AMBLE:
 CP_SET_PSEUDO_REG:
 CP_INDIRECT_BUFFER_CHAIN:
 CP_EVENT_WRITE_SHD:
@@ -506,7 +506,7 @@ CP_END_BIN:
 CP_WAIT_REG_EQ:
 CP_SMMU_TABLE_UPDATE:
 UNKN84:
-CP_SET_CTXSWITCH_IB:
+CP_SET_AMBLE:
 CP_SET_PSEUDO_REG:
 CP_INDIRECT_BUFFER_CHAIN:
 CP_EVENT_WRITE_SHD:
@@ -674,7 +674,7 @@ CP_END_BIN:
 CP_WAIT_REG_EQ:
 CP_SMMU_TABLE_UPDATE:
 UNKN84:
-CP_SET_CTXSWITCH_IB:
+CP_SET_AMBLE:
 CP_SET_PSEUDO_REG:
 CP_INDIRECT_BUFFER_CHAIN:
 CP_EVENT_WRITE_SHD:

src/freedreno/registers/adreno/adreno_pm4.xml

@@ -588,8 +588,7 @@ xsi:schemaLocation="https://gitlab.freedesktop.org/freedreno/ rules-fd.xsd">
                 and forcibly switch to the indicated context.
 	</doc>
 	<value name="CP_CONTEXT_SWITCH" value="0x54" variants="A6XX"/>
-	<!-- Note, kgsl calls this CP_SET_AMBLE: -->
+	<value name="CP_SET_AMBLE" value="0x55" variants="A6XX-"/>
-	<value name="CP_SET_CTXSWITCH_IB" value="0x55" variants="A6XX-"/>
 
 	<!--
 	Seems to always have the payload:
@@ -2018,42 +2017,38 @@ opcode: CP_LOAD_STATE4 (30) (4 dwords)
 	</reg32>
 </domain>
 
-<domain name="CP_SET_CTXSWITCH_IB" width="32">
+<domain name="CP_SET_AMBLE" width="32">
 	<doc>
-                Used by the userspace driver to set various IB's which are
+		Used by the userspace and kernel drivers to set various IB's
-                executed during context save/restore for handling
+		which are executed during context save/restore for handling
-                state that isn't restored by the
+		state that isn't restored by the context switch routine itself.
-                context switch routine itself.
 	</doc>
-	<enum name="ctxswitch_ib">
+	<enum name="amble_type">
-		<value name="RESTORE_IB" value="0">
+		<value name="PREAMBLE_AMBLE_TYPE" value="0">
 			<doc>Executed unconditionally when switching back to the context.</doc>
 		</value>
-		<value name="YIELD_RESTORE_IB" value="1">
+		<value name="BIN_PREAMBLE_AMBLE_TYPE" value="1">
                         <doc>
 				Executed when switching back after switching
 				away during execution of
 				a CP_SET_MARKER packet with RM6_YIELD as the
-				payload *and* the normal save routine was
+				payload *and* skipsaverestore is set. This is
-				bypassed for a shorter one. I think this is
+				expected to restore static register values not
-				connected to the "skipsaverestore" bit set by
+				saved when skipsaverestore is set.
-				the kernel when preempting.
 			</doc>
 		</value>
-		<value name="SAVE_IB" value="2">
+		<value name="POSTAMBLE_AMBLE_TYPE" value="2">
                         <doc>
 				Executed when switching away from the context,
 				except for context switches initiated via
 				CP_YIELD.
                         </doc>
 		</value>
-		<value name="RB_SAVE_IB" value="3">
+		<value name="KMD_AMBLE_TYPE" value="3">
 			<doc>
 				This can only be set by the RB (i.e. the kernel)
 				and executes with protected mode off, but
-				is otherwise similar to SAVE_IB.
+				is otherwise similar to POSTAMBLE_AMBLE_TYPE.
-
-				Note, kgsl calls this CP_KMD_AMBLE_TYPE
 			</doc>
 		</value>
 	</enum>
@@ -2065,7 +2060,7 @@ opcode: CP_LOAD_STATE4 (30) (4 dwords)
 	</reg32>
 	<reg32 offset="2" name="2">
 		<bitfield name="DWORDS" low="0" high="19" type="uint"/>
-		<bitfield name="TYPE" low="20" high="21" type="ctxswitch_ib"/>
+		<bitfield name="TYPE" low="20" high="21" type="amble_type"/>
 	</reg32>
 </domain>