ilo: add some MI commands to GPE

We will need MI commands that load/store registers.

4 files changed, 116 insertions, 0 deletions

diff --git a/src/gallium/drivers/ilo/ilo_gpe_gen6.c b/src/gallium/drivers/ilo/ilo_gpe_gen6.c
index 3ea8b8f5e77..c4b8839d474 100644
--- a/src/gallium/drivers/ilo/ilo_gpe_gen6.c
+++ b/src/gallium/drivers/ilo/ilo_gpe_gen6.c
@@ -2581,6 +2581,10 @@ ilo_gpe_gen6_estimate_command_size(const struct ilo_dev_info *dev,
       int header;
       int body;
    } gen6_command_size_table[ILO_GPE_GEN6_COMMAND_COUNT] = {
+      [ILO_GPE_GEN6_MI_STORE_DATA_IMM]                        = { 0,  5  },
+      [ILO_GPE_GEN6_MI_LOAD_REGISTER_IMM]                     = { 0,  3  },
+      [ILO_GPE_GEN6_MI_STORE_REGISTER_MEM]                    = { 0,  3  },
+      [ILO_GPE_GEN6_MI_REPORT_PERF_COUNT]                     = { 0,  3  },
       [ILO_GPE_GEN6_STATE_BASE_ADDRESS]                       = { 0,  10 },
       [ILO_GPE_GEN6_STATE_SIP]                                = { 0,  2  },
       [ILO_GPE_GEN6_3DSTATE_VF_STATISTICS]                    = { 0,  1  },
diff --git a/src/gallium/drivers/ilo/ilo_gpe_gen6.h b/src/gallium/drivers/ilo/ilo_gpe_gen6.h
index 1f030e0e39b..d14e5c6fab0 100644
--- a/src/gallium/drivers/ilo/ilo_gpe_gen6.h
+++ b/src/gallium/drivers/ilo/ilo_gpe_gen6.h
@@ -42,6 +42,8 @@
 #define ILO_GPE_VALID_GEN(dev, min_gen, max_gen) \
    assert((dev)->gen >= ILO_GEN(min_gen) && (dev)->gen <= ILO_GEN(max_gen))
 
+#define ILO_GPE_MI(op) (0x0 << 29 | (op) << 23)
+
 #define ILO_GPE_CMD(pipeline, op, subop) \
    (0x3 << 29 | (pipeline) << 27 | (op) << 24 | (subop) << 16)
 
@@ -49,6 +51,10 @@
  * Commands that GEN6 GPE could emit.
  */
 enum ilo_gpe_gen6_command {
+   ILO_GPE_GEN6_MI_STORE_DATA_IMM,                   /* ILO_GPE_MI(0x20) */
+   ILO_GPE_GEN6_MI_LOAD_REGISTER_IMM,                /* ILO_GPE_MI(0x22) */
+   ILO_GPE_GEN6_MI_STORE_REGISTER_MEM,               /* ILO_GPE_MI(0x24) */
+   ILO_GPE_GEN6_MI_REPORT_PERF_COUNT,                /* ILO_GPE_MI(0x28) */
    ILO_GPE_GEN6_STATE_BASE_ADDRESS,                  /* (0x0, 0x1, 0x01) */
    ILO_GPE_GEN6_STATE_SIP,                           /* (0x0, 0x1, 0x02) */
    ILO_GPE_GEN6_3DSTATE_VF_STATISTICS,               /* (0x1, 0x0, 0x0b) */
@@ -337,6 +343,104 @@ ilo_gpe_gen6_fill_3dstate_sf_sbe(const struct ilo_dev_info *dev,
 }
 
 static inline void
+gen6_emit_MI_STORE_DATA_IMM(const struct ilo_dev_info *dev,
+                            struct intel_bo *bo, uint32_t bo_offset,
+                            uint64_t val, bool store_qword,
+                            struct ilo_cp *cp)
+{
+   const uint32_t cmd = ILO_GPE_MI(0x20);
+   const uint8_t cmd_len = (store_qword) ? 5 : 4;
+   /* must use GGTT on GEN6 as in PIPE_CONTROL */
+   const uint32_t cmd_flags = (dev->gen == ILO_GEN(6)) ? (1 << 22) : 0;
+   const uint32_t read_domains = INTEL_DOMAIN_INSTRUCTION;
+   const uint32_t write_domain = INTEL_DOMAIN_INSTRUCTION;
+
+   ILO_GPE_VALID_GEN(dev, 6, 7.5);
+
+   assert(bo_offset % ((store_qword) ? 8 : 4) == 0);
+
+   ilo_cp_begin(cp, cmd_len);
+   ilo_cp_write(cp, cmd | cmd_flags | (cmd_len - 2));
+   ilo_cp_write(cp, 0);
+   ilo_cp_write_bo(cp, bo_offset, bo, read_domains, write_domain);
+   ilo_cp_write(cp, (uint32_t) val);
+
+   if (store_qword)
+      ilo_cp_write(cp, (uint32_t) (val >> 32));
+   else
+      assert(val == (uint64_t) ((uint32_t) val));
+
+   ilo_cp_end(cp);
+}
+
+static inline void
+gen6_emit_MI_LOAD_REGISTER_IMM(const struct ilo_dev_info *dev,
+                               uint32_t reg, uint32_t val,
+                               struct ilo_cp *cp)
+{
+   const uint32_t cmd = ILO_GPE_MI(0x22);
+   const uint8_t cmd_len = 3;
+
+   ILO_GPE_VALID_GEN(dev, 6, 7.5);
+
+   assert(reg % 4 == 0);
+
+   ilo_cp_begin(cp, cmd_len);
+   ilo_cp_write(cp, cmd | (cmd_len - 2));
+   ilo_cp_write(cp, reg);
+   ilo_cp_write(cp, val);
+   ilo_cp_end(cp);
+}
+
+static inline void
+gen6_emit_MI_STORE_REGISTER_MEM(const struct ilo_dev_info *dev,
+                                struct intel_bo *bo, uint32_t bo_offset,
+                                uint32_t reg, struct ilo_cp *cp)
+{
+   const uint32_t cmd = ILO_GPE_MI(0x24);
+   const uint8_t cmd_len = 3;
+   /* must use GGTT on GEN6 as in PIPE_CONTROL */
+   const uint32_t cmd_flags = (dev->gen == ILO_GEN(6)) ? (1 << 22) : 0;
+   const uint32_t read_domains = INTEL_DOMAIN_INSTRUCTION;
+   const uint32_t write_domain = INTEL_DOMAIN_INSTRUCTION;
+
+   ILO_GPE_VALID_GEN(dev, 6, 7.5);
+
+   assert(reg % 4 == 0 && bo_offset % 4 == 0);
+
+   ilo_cp_begin(cp, cmd_len);
+   ilo_cp_write(cp, cmd | cmd_flags | (cmd_len - 2));
+   ilo_cp_write(cp, reg);
+   ilo_cp_write_bo(cp, bo_offset, bo, read_domains, write_domain);
+   ilo_cp_end(cp);
+}
+
+static inline void
+gen6_emit_MI_REPORT_PERF_COUNT(const struct ilo_dev_info *dev,
+                               struct intel_bo *bo, uint32_t bo_offset,
+                               uint32_t report_id, struct ilo_cp *cp)
+{
+   const uint32_t cmd = ILO_GPE_MI(0x28);
+   const uint8_t cmd_len = 3;
+   const uint32_t read_domains = INTEL_DOMAIN_INSTRUCTION;
+   const uint32_t write_domain = INTEL_DOMAIN_INSTRUCTION;
+
+   ILO_GPE_VALID_GEN(dev, 6, 7.5);
+
+   assert(bo_offset % 64 == 0);
+
+   /* must use GGTT on GEN6 as in PIPE_CONTROL */
+   if (dev->gen == ILO_GEN(6))
+      bo_offset |= 0x1;
+
+   ilo_cp_begin(cp, cmd_len);
+   ilo_cp_write(cp, cmd | (cmd_len - 2));
+   ilo_cp_write_bo(cp, bo_offset, bo, read_domains, write_domain);
+   ilo_cp_write(cp, report_id);
+   ilo_cp_end(cp);
+}
+
+static inline void
 gen6_emit_STATE_BASE_ADDRESS(const struct ilo_dev_info *dev,
                              struct intel_bo *general_state_bo,
                              struct intel_bo *surface_state_bo,
diff --git a/src/gallium/drivers/ilo/ilo_gpe_gen7.c b/src/gallium/drivers/ilo/ilo_gpe_gen7.c
index d421c16c685..e432975f94b 100644
--- a/src/gallium/drivers/ilo/ilo_gpe_gen7.c
+++ b/src/gallium/drivers/ilo/ilo_gpe_gen7.c
@@ -679,6 +679,10 @@ ilo_gpe_gen7_estimate_command_size(const struct ilo_dev_info *dev,
       int header;
       int body;
    } gen7_command_size_table[ILO_GPE_GEN7_COMMAND_COUNT] = {
+      [ILO_GPE_GEN7_MI_STORE_DATA_IMM]                        = { 0,  5  },
+      [ILO_GPE_GEN7_MI_LOAD_REGISTER_IMM]                     = { 0,  3  },
+      [ILO_GPE_GEN7_MI_STORE_REGISTER_MEM]                    = { 0,  3  },
+      [ILO_GPE_GEN7_MI_REPORT_PERF_COUNT]                     = { 0,  3  },
       [ILO_GPE_GEN7_STATE_BASE_ADDRESS]                       = { 0,  10 },
       [ILO_GPE_GEN7_STATE_SIP]                                = { 0,  2  },
       [ILO_GPE_GEN7_3DSTATE_VF_STATISTICS]                    = { 0,  1  },
diff --git a/src/gallium/drivers/ilo/ilo_gpe_gen7.h b/src/gallium/drivers/ilo/ilo_gpe_gen7.h
index 3d356ac5c63..e4612fb391c 100644
--- a/src/gallium/drivers/ilo/ilo_gpe_gen7.h
+++ b/src/gallium/drivers/ilo/ilo_gpe_gen7.h
@@ -40,6 +40,10 @@
  * Commands that GEN7 GPE could emit.
  */
 enum ilo_gpe_gen7_command {
+   ILO_GPE_GEN7_MI_STORE_DATA_IMM,                   /* ILO_GPE_MI(0x20) */
+   ILO_GPE_GEN7_MI_LOAD_REGISTER_IMM,                /* ILO_GPE_MI(0x22) */
+   ILO_GPE_GEN7_MI_STORE_REGISTER_MEM,               /* ILO_GPE_MI(0x24) */
+   ILO_GPE_GEN7_MI_REPORT_PERF_COUNT,                /* ILO_GPE_MI(0x28) */
    ILO_GPE_GEN7_STATE_BASE_ADDRESS,                  /* (0x0, 0x1, 0x01) */
    ILO_GPE_GEN7_STATE_SIP,                           /* (0x0, 0x1, 0x02) */
    ILO_GPE_GEN7_3DSTATE_VF_STATISTICS,               /* (0x1, 0x0, 0x0b) */