ac/gpu_info: add radeon_info::num_tcc_blocks

The values for the radeon winsys were copied from the kernel driver.

Tested-by: Dieter Nützel <[email protected]>

3 files changed, 37 insertions, 0 deletions

diff --git a/src/amd/common/ac_gpu_info.c b/src/amd/common/ac_gpu_info.c
index e885c0538e9..40441ec0c67 100644
--- a/src/amd/common/ac_gpu_info.c
+++ b/src/amd/common/ac_gpu_info.c
@@ -96,6 +96,7 @@ bool ac_query_gpu_info(int fd, amdgpu_device_handle dev,
 		       struct radeon_info *info,
 		       struct amdgpu_gpu_info *amdinfo)
 {
+	struct drm_amdgpu_info_device device_info = {};
 	struct amdgpu_buffer_size_alignments alignment_info = {};
 	struct drm_amdgpu_info_hw_ip dma = {}, compute = {}, uvd = {};
 	struct drm_amdgpu_info_hw_ip uvd_enc = {}, vce = {}, vcn_dec = {};
@@ -124,6 +125,13 @@ bool ac_query_gpu_info(int fd, amdgpu_device_handle dev,
 		return false;
 	}
 
+	r = amdgpu_query_info(dev, AMDGPU_INFO_DEV_INFO, sizeof(device_info),
+			      &device_info);
+	if (r) {
+		fprintf(stderr, "amdgpu: amdgpu_query_info(dev_info) failed.\n");
+		return false;
+	}
+
 	r = amdgpu_query_buffer_size_alignment(dev, &alignment_info);
 	if (r) {
 		fprintf(stderr, "amdgpu: amdgpu_query_buffer_size_alignment failed.\n");
@@ -324,6 +332,7 @@ bool ac_query_gpu_info(int fd, amdgpu_device_handle dev,
 	info->gds_gfx_partition_size = gds.gds_gfx_partition_size;
 	/* convert the shader clock from KHz to MHz */
 	info->max_shader_clock = amdinfo->max_engine_clk / 1000;
+	info->num_tcc_blocks = device_info.num_tcc_blocks;
 	info->max_se = amdinfo->num_shader_engines;
 	info->max_sh_per_se = amdinfo->num_shader_arrays_per_engine;
 	info->has_hw_decode =
@@ -530,6 +539,7 @@ void ac_print_gpu_info(struct radeon_info *info)
 	printf("Shader core info:\n");
 	printf("    max_shader_clock = %i\n", info->max_shader_clock);
 	printf("    num_good_compute_units = %i\n", info->num_good_compute_units);
+	printf("    num_tcc_blocks = %i\n", info->num_tcc_blocks);
 	printf("    max_se = %i\n", info->max_se);
 	printf("    max_sh_per_se = %i\n", info->max_sh_per_se);
 
diff --git a/src/amd/common/ac_gpu_info.h b/src/amd/common/ac_gpu_info.h
index 1201d811361..f6e09d2e13c 100644
--- a/src/amd/common/ac_gpu_info.h
+++ b/src/amd/common/ac_gpu_info.h
@@ -115,6 +115,7 @@ struct radeon_info {
 	uint32_t                    r600_max_quad_pipes; /* wave size / 16 */
 	uint32_t                    max_shader_clock;
 	uint32_t                    num_good_compute_units;
+	uint32_t                    num_tcc_blocks;
 	uint32_t                    max_se; /* shader engines */
 	uint32_t                    max_sh_per_se; /* shader arrays per shader engine */
 
diff --git a/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c b/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
index 76eea67521d..86df2ac055e 100644
--- a/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
+++ b/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
@@ -471,6 +471,32 @@ static bool do_winsys_init(struct radeon_drm_winsys *ws)
     radeon_get_drm_value(ws->fd, RADEON_INFO_MAX_SE, NULL,
                          &ws->info.max_se);
 
+    switch (ws->info.family) {
+    case CHIP_HAINAN:
+    case CHIP_KABINI:
+    case CHIP_MULLINS:
+        ws->info.num_tcc_blocks = 2;
+        break;
+    case CHIP_VERDE:
+    case CHIP_OLAND:
+    case CHIP_BONAIRE:
+    case CHIP_KAVERI:
+        ws->info.num_tcc_blocks = 4;
+        break;
+    case CHIP_PITCAIRN:
+        ws->info.num_tcc_blocks = 8;
+        break;
+    case CHIP_TAHITI:
+        ws->info.num_tcc_blocks = 12;
+        break;
+    case CHIP_HAWAII:
+        ws->info.num_tcc_blocks = 16;
+        break;
+    default:
+        ws->info.num_tcc_blocks = 0;
+        break;
+    }
+
     if (!ws->info.max_se) {
         switch (ws->info.family) {
         default: