drm/amdgpu/nv: remove some dead code

navi never supported the pci config reset.  Neither did
vega.

Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/nv.c b/drivers/gpu/drm/amd/amdgpu/nv.c
index 61eea26..0f927fc 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/nv.c
+++ b/drivers/gpu/drm/amd/amdgpu/nv.c
@@ -254,31 +254,6 @@ static int nv_read_register(struct amdgpu_device *adev, u32 se_num,
        return -EINVAL;
 }
 
-#if 0
-static void nv_gpu_pci_config_reset(struct amdgpu_device *adev)
-{
-       u32 i;
-
-       dev_info(adev->dev, "GPU pci config reset\n");
-
-       /* disable BM */
-       pci_clear_master(adev->pdev);
-       /* reset */
-       amdgpu_pci_config_reset(adev);
-
-       udelay(100);
-
-       /* wait for asic to come out of reset */
-       for (i = 0; i < adev->usec_timeout; i++) {
-               u32 memsize = nbio_v2_3_get_memsize(adev);
-               if (memsize != 0xffffffff)
-                       break;
-               udelay(1);
-       }
-
-}
-#endif
-
 static int nv_asic_mode1_reset(struct amdgpu_device *adev)
 {
        u32 i;
@@ -336,15 +311,6 @@ nv_asic_reset_method(struct amdgpu_device *adev)
 
 static int nv_asic_reset(struct amdgpu_device *adev)
 {
-
-       /* FIXME: it doesn't work since vega10 */
-#if 0
-       amdgpu_atombios_scratch_regs_engine_hung(adev, true);
-
-       nv_gpu_pci_config_reset(adev);
-
-       amdgpu_atombios_scratch_regs_engine_hung(adev, false);
-#endif
        int ret = 0;
        struct smu_context *smu = &adev->smu;