drm/amdgpu: add return value for pci config reset
So we know whether or not the reset succeeded.
Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/amd/amdgpu/vi.c b/drivers/gpu/drm/amd/amdgpu/vi.c
index 86cefd1..064122b 100644
--- a/drivers/gpu/drm/amd/amdgpu/vi.c
+++ b/drivers/gpu/drm/amd/amdgpu/vi.c
@@ -597,7 +597,7 @@
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;
@@ -613,10 +613,10 @@
/* 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)
@@ -642,13 +642,15 @@
*/
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,