iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

drm/amdgpu/discovery: init reg base offset via ip discovery for navi14

Browse Source 
Add IP discovery for navi14.

Signed-off-by: Xiaojie Yuan <xiaojie.yuan@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Xiaojie Yuan 2019-06-05 17:58:57 +08:00 committed by Alex Deucher
parent a0f6d926f1
commit c20697674d
1 changed files with 15 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
drivers/gpu/drm/amd/amdgpu/navi14_reg_init.c
View File

@ -29,8 +29,20 @@
int navi14_reg_base_init(struct amdgpu_device *adev)
{
/* HW has more IP blocks, only initialized the blocke needed by driver */
uint32_t i;
int r, i;
if (amdgpu_discovery) {
r = amdgpu_discovery_reg_base_init(adev);
if (r) {
DRM_WARN("failed to init reg base from ip discovery table, "
"fallback to legacy init method\n");
goto legacy_init;
}
return 0;
}
legacy_init:
for (i = 0 ; i < MAX_INSTANCE ; ++i) {
adev->reg_offset[GC_HWIP][i] = (uint32_t *)(&(GC_BASE.instance[i]));
adev->reg_offset[HDP_HWIP][i] = (uint32_t *)(&(HDP_BASE.instance[i]));
@ -49,5 +61,6 @@ int navi14_reg_base_init(struct amdgpu_device *adev)
adev->reg_offset[THM_HWIP][i] = (uint32_t *)(&(THM_BASE.instance[i]));
adev->reg_offset[CLK_HWIP][i] = (uint32_t *)(&(CLK_BASE.instance[i]));
}
return 0;
}