[PATCH 3/3] drm/amdgpu/discovery: optionally use fw based ip discovery

[Flora Cui]

From: Alex Deucher <alexander.deuc...@amd.com>

On chips without native IP discovery support, use the fw binary
if available, otherwise we can continue without it.

Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c | 38 +++++++++++++++----
 1 file changed, 30 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
index fff438baf64b..cf286fde18d5 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
@@ -2536,6 +2536,36 @@ int amdgpu_discovery_set_ip_blocks(struct amdgpu_device 
*adev)
 {
        int r;
 
+       switch (adev->asic_type) {
+       case CHIP_VEGA10:
+       case CHIP_VEGA12:
+       case CHIP_RAVEN:
+       case CHIP_VEGA20:
+       case CHIP_ARCTURUS:
+       case CHIP_ALDEBARAN:
+               /* this is not fatal.  We have a fallback below
+                * if the new firmwares are not present.
+                */
+               r = amdgpu_discovery_reg_base_init(adev);
+               if (!r) {
+                       amdgpu_discovery_harvest_ip(adev);
+                       amdgpu_discovery_get_gfx_info(adev);
+                       amdgpu_discovery_get_mall_info(adev);
+                       amdgpu_discovery_get_vcn_info(adev);
+               }
+               break;
+       default:
+               r = amdgpu_discovery_reg_base_init(adev);
+               if (r)
+                       return -EINVAL;
+
+               amdgpu_discovery_harvest_ip(adev);
+               amdgpu_discovery_get_gfx_info(adev);
+               amdgpu_discovery_get_mall_info(adev);
+               amdgpu_discovery_get_vcn_info(adev);
+               break;
+       }
+
        switch (adev->asic_type) {
        case CHIP_VEGA10:
                vega10_reg_base_init(adev);
@@ -2700,14 +2730,6 @@ int amdgpu_discovery_set_ip_blocks(struct amdgpu_device 
*adev)
                adev->ip_versions[XGMI_HWIP][0] = IP_VERSION(6, 1, 0);
                break;
        default:
-               r = amdgpu_discovery_reg_base_init(adev);
-               if (r)
-                       return -EINVAL;
-
-               amdgpu_discovery_harvest_ip(adev);
-               amdgpu_discovery_get_gfx_info(adev);
-               amdgpu_discovery_get_mall_info(adev);
-               amdgpu_discovery_get_vcn_info(adev);
                break;
        }
 
-- 
2.43.0