On Mon, Nov 26, 2018 at 12:29 PM Oak Zeng <ozeng@xxxxxxx> wrote:
>
> 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
>
> Change-Id: I2f004bbbe2565035460686f4fc16e86b77a2a9b5
> Signed-off-by: Oak Zeng <ozeng@xxxxxxx>
> Suggested-by: Felix Kuehling <Felix.Kuehling@xxxxxxx>
> Suggested-by: Alex Deucher <alexander.deucher@xxxxxxx>
Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 8 +++++---
> 1 file changed, 5 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> index cb06e68..a8b1c9c 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> @@ -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 */
> --
> 2.7.4
>
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