[PATCH 1/5] drm/amdgpu/gfx9: dump full CP packet header FIFOs

[Alex Deucher]

In dev core dump, dump the full header fifo for
each queue. Each FIFO has 8 entries.

Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 62 +++++++++++++++++++++------
 1 file changed, 49 insertions(+), 13 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index f4dfa1418b740..64342160ff7d0 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -225,17 +225,36 @@ static const struct amdgpu_hwip_reg_entry gc_reg_list_9[] = {
 	SOC15_REG_ENTRY_STR(GC, 0, mmRLC_SMU_SAFE_MODE),
 	SOC15_REG_ENTRY_STR(GC, 0, mmRLC_INT_STAT),
 	SOC15_REG_ENTRY_STR(GC, 0, mmRLC_GPM_GENERAL_6),
-	/* cp header registers */
-	SOC15_REG_ENTRY_STR(GC, 0, mmCP_CE_HEADER_DUMP),
-	SOC15_REG_ENTRY_STR(GC, 0, mmCP_MEC_ME1_HEADER_DUMP),
-	SOC15_REG_ENTRY_STR(GC, 0, mmCP_MEC_ME2_HEADER_DUMP),
-	SOC15_REG_ENTRY_STR(GC, 0, mmCP_PFP_HEADER_DUMP),
-	SOC15_REG_ENTRY_STR(GC, 0, mmCP_ME_HEADER_DUMP),
 	/* SE status registers */
 	SOC15_REG_ENTRY_STR(GC, 0, mmGRBM_STATUS_SE0),
 	SOC15_REG_ENTRY_STR(GC, 0, mmGRBM_STATUS_SE1),
 	SOC15_REG_ENTRY_STR(GC, 0, mmGRBM_STATUS_SE2),
-	SOC15_REG_ENTRY_STR(GC, 0, mmGRBM_STATUS_SE3)
+	SOC15_REG_ENTRY_STR(GC, 0, mmGRBM_STATUS_SE3),
+	/* packet headers */
+	SOC15_REG_ENTRY_STR(GC, 0, mmCP_CE_HEADER_DUMP),
+	SOC15_REG_ENTRY_STR(GC, 0, mmCP_CE_HEADER_DUMP),
+	SOC15_REG_ENTRY_STR(GC, 0, mmCP_CE_HEADER_DUMP),
+	SOC15_REG_ENTRY_STR(GC, 0, mmCP_CE_HEADER_DUMP),
+	SOC15_REG_ENTRY_STR(GC, 0, mmCP_CE_HEADER_DUMP),
+	SOC15_REG_ENTRY_STR(GC, 0, mmCP_CE_HEADER_DUMP),
+	SOC15_REG_ENTRY_STR(GC, 0, mmCP_CE_HEADER_DUMP),
+	SOC15_REG_ENTRY_STR(GC, 0, mmCP_CE_HEADER_DUMP),
+	SOC15_REG_ENTRY_STR(GC, 0, mmCP_PFP_HEADER_DUMP),
+	SOC15_REG_ENTRY_STR(GC, 0, mmCP_PFP_HEADER_DUMP),
+	SOC15_REG_ENTRY_STR(GC, 0, mmCP_PFP_HEADER_DUMP),
+	SOC15_REG_ENTRY_STR(GC, 0, mmCP_PFP_HEADER_DUMP),
+	SOC15_REG_ENTRY_STR(GC, 0, mmCP_PFP_HEADER_DUMP),
+	SOC15_REG_ENTRY_STR(GC, 0, mmCP_PFP_HEADER_DUMP),
+	SOC15_REG_ENTRY_STR(GC, 0, mmCP_PFP_HEADER_DUMP),
+	SOC15_REG_ENTRY_STR(GC, 0, mmCP_PFP_HEADER_DUMP),
+	SOC15_REG_ENTRY_STR(GC, 0, mmCP_ME_HEADER_DUMP),
+	SOC15_REG_ENTRY_STR(GC, 0, mmCP_ME_HEADER_DUMP),
+	SOC15_REG_ENTRY_STR(GC, 0, mmCP_ME_HEADER_DUMP),
+	SOC15_REG_ENTRY_STR(GC, 0, mmCP_ME_HEADER_DUMP),
+	SOC15_REG_ENTRY_STR(GC, 0, mmCP_ME_HEADER_DUMP),
+	SOC15_REG_ENTRY_STR(GC, 0, mmCP_ME_HEADER_DUMP),
+	SOC15_REG_ENTRY_STR(GC, 0, mmCP_ME_HEADER_DUMP),
+	SOC15_REG_ENTRY_STR(GC, 0, mmCP_ME_HEADER_DUMP)
 };
 
 static const struct amdgpu_hwip_reg_entry gc_cp_reg_list_9[] = {
@@ -277,6 +296,14 @@ static const struct amdgpu_hwip_reg_entry gc_cp_reg_list_9[] = {
 	SOC15_REG_ENTRY_STR(GC, 0, mmCP_HQD_PQ_WPTR_LO),
 	SOC15_REG_ENTRY_STR(GC, 0, mmCP_HQD_PQ_WPTR_HI),
 	SOC15_REG_ENTRY_STR(GC, 0, mmCP_HQD_GFX_STATUS),
+	SOC15_REG_ENTRY_STR(GC, 0, mmCP_MEC_ME1_HEADER_DUMP),
+	SOC15_REG_ENTRY_STR(GC, 0, mmCP_MEC_ME1_HEADER_DUMP),
+	SOC15_REG_ENTRY_STR(GC, 0, mmCP_MEC_ME1_HEADER_DUMP),
+	SOC15_REG_ENTRY_STR(GC, 0, mmCP_MEC_ME1_HEADER_DUMP),
+	SOC15_REG_ENTRY_STR(GC, 0, mmCP_MEC_ME1_HEADER_DUMP),
+	SOC15_REG_ENTRY_STR(GC, 0, mmCP_MEC_ME1_HEADER_DUMP),
+	SOC15_REG_ENTRY_STR(GC, 0, mmCP_MEC_ME1_HEADER_DUMP),
+	SOC15_REG_ENTRY_STR(GC, 0, mmCP_MEC_ME1_HEADER_DUMP)
 };
 
 enum ta_ras_gfx_subblock {
@@ -7340,9 +7367,14 @@ static void gfx_v9_ip_print(struct amdgpu_ip_block *ip_block, struct drm_printer
 			for (k = 0; k < adev->gfx.mec.num_queue_per_pipe; k++) {
 				drm_printf(p, "\nmec %d, pipe %d, queue %d\n", i, j, k);
 				for (reg = 0; reg < reg_count; reg++) {
-					drm_printf(p, "%-50s \t 0x%08x\n",
-						   gc_cp_reg_list_9[reg].reg_name,
-						   adev->gfx.ip_dump_compute_queues[index + reg]);
+					if (i && gc_cp_reg_list_9[reg].reg_offset == mmCP_MEC_ME1_HEADER_DUMP)
+						drm_printf(p, "%-50s \t 0x%08x\n",
+							   "mmCP_MEC_ME2_HEADER_DUMP",
+							   adev->gfx.ip_dump_compute_queues[index + reg]);
+					else
+						drm_printf(p, "%-50s \t 0x%08x\n",
+							   gc_cp_reg_list_9[reg].reg_name,
+							   adev->gfx.ip_dump_compute_queues[index + reg]);
 				}
 				index += reg_count;
 			}
@@ -7379,9 +7411,13 @@ static void gfx_v9_ip_dump(struct amdgpu_ip_block *ip_block)
 				soc15_grbm_select(adev, 1 + i, j, k, 0, 0);
 
 				for (reg = 0; reg < reg_count; reg++) {
-					adev->gfx.ip_dump_compute_queues[index + reg] =
-						RREG32(SOC15_REG_ENTRY_OFFSET(
-							gc_cp_reg_list_9[reg]));
+					if (i && gc_cp_reg_list_9[reg].reg_offset == mmCP_MEC_ME1_HEADER_DUMP)
+						adev->gfx.ip_dump_compute_queues[index + reg] =
+							RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_MEC_ME2_HEADER_DUMP));
+					else
+						adev->gfx.ip_dump_compute_queues[index + reg] =
+							RREG32(SOC15_REG_ENTRY_OFFSET(
+								       gc_cp_reg_list_9[reg]));
 				}
 				index += reg_count;
 			}
-- 
2.49.0