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drm/amdgpu: move hw generation check into amdgpu_doorbell_init v2 

This way we can safely call it on SI as well.

v2: fix type in commit message

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
hifive-unleashed-5.1
Christian König 2017-06-08 11:15:16 +02:00 committed by Alex Deucher
parent 570144c652
commit 705e519e0e
1 changed files with 12 additions and 5 deletions
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17
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
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@ -403,6 +403,15 @@ void amdgpu_pci_config_reset(struct amdgpu_device *adev)
*/
static int amdgpu_doorbell_init(struct amdgpu_device *adev)
{
/* No doorbell on SI hardware generation */
if (adev->asic_type < CHIP_BONAIRE) {
adev->doorbell.base = 0;
adev->doorbell.size = 0;
adev->doorbell.num_doorbells = 0;
adev->doorbell.ptr = NULL;
return 0;
}
/* doorbell bar mapping */
adev->doorbell.base = pci_resource_start(adev->pdev, 2);
adev->doorbell.size = pci_resource_len(adev->pdev, 2);
@ -2075,9 +2084,8 @@ int amdgpu_device_init(struct amdgpu_device *adev,
DRM_INFO("register mmio base: 0x%08X\n", (uint32_t)adev->rmmio_base);
DRM_INFO("register mmio size: %u\n", (unsigned)adev->rmmio_size);
if (adev->asic_type >= CHIP_BONAIRE)
/* doorbell bar mapping */
amdgpu_doorbell_init(adev);
/* doorbell bar mapping */
amdgpu_doorbell_init(adev);
/* io port mapping */
for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) {
@ -2304,8 +2312,7 @@ void amdgpu_device_fini(struct amdgpu_device *adev)
adev->rio_mem = NULL;
iounmap(adev->rmmio);
adev->rmmio = NULL;
if (adev->asic_type >= CHIP_BONAIRE)
amdgpu_doorbell_fini(adev);
amdgpu_doorbell_fini(adev);
amdgpu_debugfs_regs_cleanup(adev);
}