@@ -1152,10 +1152,11 @@ static void kv_restore_regs_for_reset(struct amdgpu_device *adev,
WREG32(mmGMCON_RENG_EXECUTE, save->gmcon_reng_execute);
}
-static void cik_gpu_pci_config_reset(struct amdgpu_device *adev)
+static int cik_gpu_pci_config_reset(struct amdgpu_device *adev)
{
struct kv_reset_save_regs kv_save = { 0 };
u32 i;
+ int r = -EINVAL;
dev_info(adev->dev, "GPU pci config reset\n");
@@ -1171,14 +1172,18 @@ static void cik_gpu_pci_config_reset(struct amdgpu_device *adev)
/* wait for asic to come out of reset */
for (i = 0; i < adev->usec_timeout; i++) {
- if (RREG32(mmCONFIG_MEMSIZE) != 0xffffffff)
+ if (RREG32(mmCONFIG_MEMSIZE) != 0xffffffff) {
+ r = 0;
break;
+ }
udelay(1);
}
/* does asic init need to be run first??? */
if (adev->flags & AMD_IS_APU)
kv_restore_regs_for_reset(adev, &kv_save);
+
+ return r;
}
static void cik_set_bios_scratch_engine_hung(struct amdgpu_device *adev, bool hung)
@@ -1204,13 +1209,14 @@ static void cik_set_bios_scratch_engine_hung(struct amdgpu_device *adev, bool hu
*/
static int cik_asic_reset(struct amdgpu_device *adev)
{
+ int r;
cik_set_bios_scratch_engine_hung(adev, true);
- cik_gpu_pci_config_reset(adev);
+ r = cik_gpu_pci_config_reset(adev);
cik_set_bios_scratch_engine_hung(adev, false);
- return 0;
+ return r;
}
static int cik_set_uvd_clock(struct amdgpu_device *adev, u32 clock,
@@ -583,7 +583,7 @@ static int vi_read_register(struct amdgpu_device *adev, u32 se_num,
return -EINVAL;
}
-static void vi_gpu_pci_config_reset(struct amdgpu_device *adev)
+static int vi_gpu_pci_config_reset(struct amdgpu_device *adev)
{
u32 i;
@@ -599,10 +599,10 @@ static void vi_gpu_pci_config_reset(struct amdgpu_device *adev)
/* wait for asic to come out of reset */
for (i = 0; i < adev->usec_timeout; i++) {
if (RREG32(mmCONFIG_MEMSIZE) != 0xffffffff)
- break;
+ return 0;
udelay(1);
}
-
+ return -EINVAL;
}
static void vi_set_bios_scratch_engine_hung(struct amdgpu_device *adev, bool hung)
@@ -628,13 +628,15 @@ static void vi_set_bios_scratch_engine_hung(struct amdgpu_device *adev, bool hun
*/
static int vi_asic_reset(struct amdgpu_device *adev)
{
+ int r;
+
vi_set_bios_scratch_engine_hung(adev, true);
- vi_gpu_pci_config_reset(adev);
+ r = vi_gpu_pci_config_reset(adev);
vi_set_bios_scratch_engine_hung(adev, false);
- return 0;
+ return r;
}
static int vi_set_uvd_clock(struct amdgpu_device *adev, u32 clock,