[PATCH 1/6] drm/amdgpu: skip gpu_info firmware if discovery info is available

Alex Deucher alexdeucher at gmail.com
Thu May 28 21:35:24 UTC 2020


The GPU info firmware is only applicable at bring up when the
IP discovery table is not present.  If it's available, use that
first and then fallback to parsing the gpu info firmware.

Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 2f0e8da7bacf..716f1f7ebe3d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -1533,6 +1533,11 @@ static int amdgpu_device_parse_gpu_info_fw(struct amdgpu_device *adev)
 
 	adev->firmware.gpu_info_fw = NULL;
 
+	if (amdgpu_discovery && adev->asic_type >= CHIP_NAVI10) {
+		amdgpu_discovery_get_gfx_info(adev);
+		return 0;
+	}
+
 	switch (adev->asic_type) {
 #ifdef CONFIG_DRM_AMDGPU_SI
 	case CHIP_VERDE:
@@ -1617,11 +1622,6 @@ static int amdgpu_device_parse_gpu_info_fw(struct amdgpu_device *adev)
 			(const struct gpu_info_firmware_v1_0 *)(adev->firmware.gpu_info_fw->data +
 								le32_to_cpu(hdr->header.ucode_array_offset_bytes));
 
-		if (amdgpu_discovery && adev->asic_type >= CHIP_NAVI10) {
-			amdgpu_discovery_get_gfx_info(adev);
-			goto parse_soc_bounding_box;
-		}
-
 		adev->gfx.config.max_shader_engines = le32_to_cpu(gpu_info_fw->gc_num_se);
 		adev->gfx.config.max_cu_per_sh = le32_to_cpu(gpu_info_fw->gc_num_cu_per_sh);
 		adev->gfx.config.max_sh_per_se = le32_to_cpu(gpu_info_fw->gc_num_sh_per_se);
@@ -1650,10 +1650,9 @@ static int amdgpu_device_parse_gpu_info_fw(struct amdgpu_device *adev)
 				le32_to_cpu(gpu_info_fw->num_packer_per_sc);
 		}
 
-parse_soc_bounding_box:
 		/*
 		 * soc bounding box info is not integrated in disocovery table,
-		 * we always need to parse it from gpu info firmware.
+		 * we always need to parse it from gpu info firmware if needed.
 		 */
 		if (hdr->version_minor == 2) {
 			const struct gpu_info_firmware_v1_2 *gpu_info_fw =
-- 
2.25.4



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