[PATCH 2/2] drm/amdgpu: add remap_hdp_registers callback for nbio 7.11

Lang Yu Lang.Yu at amd.com
Tue Sep 12 11:04:05 UTC 2023


On 09/11/ , Alex Deucher wrote:
> Implement support for remapping the HDP aperture registers for
> NBIO 7.11.
> 
> Signed-off-by: Alex Deucher <alexander.deucher at amd.com>

The series is.

Reviewed-by: Lang Yu <lang.yu at amd.com>

> ---
>  drivers/gpu/drm/amd/amdgpu/nbio_v7_11.c | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v7_11.c b/drivers/gpu/drm/amd/amdgpu/nbio_v7_11.c
> index bcf5fb420fda..6873eead1e19 100644
> --- a/drivers/gpu/drm/amd/amdgpu/nbio_v7_11.c
> +++ b/drivers/gpu/drm/amd/amdgpu/nbio_v7_11.c
> @@ -28,6 +28,14 @@
>  #include "nbio/nbio_7_11_0_sh_mask.h"
>  #include <uapi/linux/kfd_ioctl.h>
>  
> +static void nbio_v7_11_remap_hdp_registers(struct amdgpu_device *adev)
> +{
> +	WREG32_SOC15(NBIO, 0, regBIF_BX0_REMAP_HDP_MEM_FLUSH_CNTL,
> +		     adev->rmmio_remap.reg_offset + KFD_MMIO_REMAP_HDP_MEM_FLUSH_CNTL);
> +	WREG32_SOC15(NBIO, 0, regBIF_BX0_REMAP_HDP_REG_FLUSH_CNTL,
> +		     adev->rmmio_remap.reg_offset + KFD_MMIO_REMAP_HDP_REG_FLUSH_CNTL);
> +}
> +
>  static u32 nbio_v7_11_get_rev_id(struct amdgpu_device *adev)
>  {
>  	u32 tmp;
> @@ -284,4 +292,5 @@ const struct amdgpu_nbio_funcs nbio_v7_11_funcs = {
>  	.ih_doorbell_range = nbio_v7_11_ih_doorbell_range,
>  	.ih_control = nbio_v7_11_ih_control,
>  	.init_registers = nbio_v7_11_init_registers,
> +	.remap_hdp_registers = nbio_v7_11_remap_hdp_registers,
>  };
> -- 
> 2.41.0
> 


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