The batch decoder looks for a field with a particular name to decide whether an MI_BB_START leads into a second batch buffer level. Because the names are different between Gen7.5/8 and the newer generation we fail that test and keep on reading (invalid) instructions.
Signed-off-by: Lionel Landwerlin <lionel.g.landwer...@intel.com> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=107544 --- src/intel/genxml/gen75.xml | 6 +++--- src/intel/genxml/gen8.xml | 6 +++--- src/intel/vulkan/anv_batch_chain.c | 2 +- 3 files changed, 7 insertions(+), 7 deletions(-) diff --git a/src/intel/genxml/gen75.xml b/src/intel/genxml/gen75.xml index 5b01fd45400..dfc3d891498 100644 --- a/src/intel/genxml/gen75.xml +++ b/src/intel/genxml/gen75.xml @@ -2314,9 +2314,9 @@ <instruction name="MI_BATCH_BUFFER_START" bias="2" length="2"> <field name="Command Type" start="29" end="31" type="uint" default="0"/> <field name="MI Command Opcode" start="23" end="28" type="uint" default="49"/> - <field name="2nd Level Batch Buffer" start="22" end="22" type="uint"> - <value name="1st level batch" value="0"/> - <value name="2nd level batch" value="1"/> + <field name="Second Level Batch Buffer" start="22" end="22" type="uint"> + <value name="First level batch" value="0"/> + <value name="Second level batch" value="1"/> </field> <field name="Add Offset Enable" start="16" end="16" type="bool"/> <field name="Predication Enable" start="15" end="15" type="bool"/> diff --git a/src/intel/genxml/gen8.xml b/src/intel/genxml/gen8.xml index 4ed41d15612..330366b7ed0 100644 --- a/src/intel/genxml/gen8.xml +++ b/src/intel/genxml/gen8.xml @@ -2553,9 +2553,9 @@ <instruction name="MI_BATCH_BUFFER_START" bias="2" length="3"> <field name="Command Type" start="29" end="31" type="uint" default="0"/> <field name="MI Command Opcode" start="23" end="28" type="uint" default="49"/> - <field name="2nd Level Batch Buffer" start="22" end="22" type="uint"> - <value name="1st level batch" value="0"/> - <value name="2nd level batch" value="1"/> + <field name="Second Level Batch Buffer" start="22" end="22" type="uint"> + <value name="First level batch" value="0"/> + <value name="Second level batch" value="1"/> </field> <field name="Add Offset Enable" start="16" end="16" type="bool"/> <field name="Predication Enable" start="15" end="15" type="bool"/> diff --git a/src/intel/vulkan/anv_batch_chain.c b/src/intel/vulkan/anv_batch_chain.c index c47a81c8a4d..0f7c8325ea4 100644 --- a/src/intel/vulkan/anv_batch_chain.c +++ b/src/intel/vulkan/anv_batch_chain.c @@ -531,7 +531,7 @@ emit_batch_buffer_start(struct anv_cmd_buffer *cmd_buffer, anv_batch_emit(&cmd_buffer->batch, GEN8_MI_BATCH_BUFFER_START, bbs) { bbs.DWordLength = cmd_buffer->device->info.gen < 8 ? gen7_length : gen8_length; - bbs._2ndLevelBatchBuffer = _1stlevelbatch; + bbs.SecondLevelBatchBuffer = Firstlevelbatch; bbs.AddressSpaceIndicator = ASI_PPGTT; bbs.BatchBufferStartAddress = (struct anv_address) { bo, offset }; } -- 2.18.0 _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-dev
