[PATCH 2/2] drm/amdgpu: update gc_info v2_1 from discovery

[Zhang, Hawking]

[AMD Official Use Only - General]

Reviewed-by: Hawking Zhang <Hawking.Zhang at amd.com>

Regards,
Hawking
-----Original Message-----
From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org> On Behalf Of Le Ma
Sent: Thursday, August 17, 2023 11:33
To: amd-gfx at lists.freedesktop.org
Cc: Zhang, Morris <Shiwu.Zhang at amd.com>
Subject: [PATCH 2/2] drm/amdgpu: update gc_info v2_1 from discovery

Several new fields are exposed in gc_info v2_1

Change-Id: Ib320e8ca70de8960634e1a22aaf2611ba7ebbaeb
Signed-off-by: Le Ma <le.ma at amd.com>
Reviewed-by: Shiwu Zhang <shiwu.zhang at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c | 10 +++++++
 drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h       |  3 ++
 drivers/gpu/drm/amd/include/discovery.h       | 30 +++++++++++++++++++
 3 files changed, 43 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
index f4cd43ce251b..6ffdfc5a7c0b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
@@ -1390,6 +1390,7 @@ union gc_info {
        struct gc_info_v1_1 v1_1;
        struct gc_info_v1_2 v1_2;
        struct gc_info_v2_0 v2;
+       struct gc_info_v2_1 v2_1;
 };

 static int amdgpu_discovery_get_gfx_info(struct amdgpu_device *adev) @@ -1465,6 +1466,15 @@ static int amdgpu_discovery_get_gfx_info(struct amdgpu_device *adev)
                adev->gfx.config.num_sc_per_sh = le32_to_cpu(gc_info->v2.gc_num_sc_per_se) /
                        le32_to_cpu(gc_info->v2.gc_num_sh_per_se);
                adev->gfx.config.num_packer_per_sc = le32_to_cpu(gc_info->v2.gc_num_packer_per_sc);
+               if (gc_info->v2.header.version_minor == 1) {
+                       adev->gfx.config.gc_num_tcp_per_sa = le32_to_cpu(gc_info->v2_1.gc_num_tcp_per_sh);
+                       adev->gfx.config.gc_tcp_size_per_cu = le32_to_cpu(gc_info->v2_1.gc_tcp_size_per_cu);
+                       adev->gfx.config.gc_num_sdp_interface = le32_to_cpu(gc_info->v2_1.gc_num_sdp_interface); /* per XCD */
+                       adev->gfx.config.gc_num_cu_per_sqc = le32_to_cpu(gc_info->v2_1.gc_num_cu_per_sqc);
+                       adev->gfx.config.gc_l1_instruction_cache_size_per_sqc = le32_to_cpu(gc_info->v2_1.gc_instruction_cache_size_per_sqc);
+                       adev->gfx.config.gc_l1_data_cache_size_per_sqc = le32_to_cpu(gc_info->v2_1.gc_scalar_data_cache_size_per_sqc);
+                       adev->gfx.config.gc_tcc_size = le32_to_cpu(gc_info->v2_1.gc_tcc_size); /* per XCD */
+               }
                break;
        default:
                dev_err(adev->dev,
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h
index a4ff515ce896..395c1768b9fc 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h
@@ -241,6 +241,9 @@ struct amdgpu_gfx_config {
        uint32_t gc_gl1c_per_sa;
        uint32_t gc_gl1c_size_per_instance;
        uint32_t gc_gl2c_per_gpu;
+       uint32_t gc_tcp_size_per_cu;
+       uint32_t gc_num_cu_per_sqc;
+       uint32_t gc_tcc_size;
 };

 struct amdgpu_cu_info {
diff --git a/drivers/gpu/drm/amd/include/discovery.h b/drivers/gpu/drm/amd/include/discovery.h
index b9884e576f98..7a9d473d0917 100644
--- a/drivers/gpu/drm/amd/include/discovery.h
+++ b/drivers/gpu/drm/amd/include/discovery.h
@@ -280,6 +280,36 @@ struct gc_info_v2_0 {
        uint32_t gc_num_packer_per_sc;
 };

+struct gc_info_v2_1 {
+       struct gpu_info_header header;
+
+       uint32_t gc_num_se;
+       uint32_t gc_num_cu_per_sh;
+       uint32_t gc_num_sh_per_se;
+       uint32_t gc_num_rb_per_se;
+       uint32_t gc_num_tccs;
+       uint32_t gc_num_gprs;
+       uint32_t gc_num_max_gs_thds;
+       uint32_t gc_gs_table_depth;
+       uint32_t gc_gsprim_buff_depth;
+       uint32_t gc_parameter_cache_depth;
+       uint32_t gc_double_offchip_lds_buffer;
+       uint32_t gc_wave_size;
+       uint32_t gc_max_waves_per_simd;
+       uint32_t gc_max_scratch_slots_per_cu;
+       uint32_t gc_lds_size;
+       uint32_t gc_num_sc_per_se;
+       uint32_t gc_num_packer_per_sc;
+       /* new for v2_1 */
+       uint32_t gc_num_tcp_per_sh;
+       uint32_t gc_tcp_size_per_cu;
+       uint32_t gc_num_sdp_interface;
+       uint32_t gc_num_cu_per_sqc;
+       uint32_t gc_instruction_cache_size_per_sqc;
+       uint32_t gc_scalar_data_cache_size_per_sqc;
+       uint32_t gc_tcc_size;
+};
+
 typedef struct harvest_info_header {
        uint32_t signature; /* Table Signature */
        uint32_t version;   /* Table Version */
--
2.38.1