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drm/amdgpu: Call doorbell index init on device initialization
authorOak Zeng <ozeng@amd.com>
Mon, 19 Nov 2018 20:36:09 +0000 (14:36 -0600)
committerAlex Deucher <alexander.deucher@amd.com>
Wed, 28 Nov 2018 20:55:32 +0000 (15:55 -0500)
Also call functioin amdgpu_device_doorbell_init after
amdgpu_device_ip_early_init because the former depends
on the later to set up asic-specific init_doorbell_index
function

Signed-off-by: Oak Zeng <ozeng@amd.com>
Suggested-by: Felix Kuehling <Felix.Kuehling@amd.com>
Suggested-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c

index cb06e68..a8b1c9c 100644 (file)
@@ -513,6 +513,8 @@ void amdgpu_device_pci_config_reset(struct amdgpu_device *adev)
  */
 static int amdgpu_device_doorbell_init(struct amdgpu_device *adev)
 {
+       amdgpu_asic_init_doorbell_index(adev);
+
        /* No doorbell on SI hardware generation */
        if (adev->asic_type < CHIP_BONAIRE) {
                adev->doorbell.base = 0;
@@ -2464,9 +2466,6 @@ 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);
 
-       /* doorbell bar mapping */
-       amdgpu_device_doorbell_init(adev);
-
        /* io port mapping */
        for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) {
                if (pci_resource_flags(adev->pdev, i) & IORESOURCE_IO) {
@@ -2485,6 +2484,9 @@ int amdgpu_device_init(struct amdgpu_device *adev,
        if (r)
                return r;
 
+       /* doorbell bar mapping and doorbell index init*/
+       amdgpu_device_doorbell_init(adev);
+
        /* if we have > 1 VGA cards, then disable the amdgpu VGA resources */
        /* this will fail for cards that aren't VGA class devices, just
         * ignore it */