[AMD Official Use Only - General]
Please ignore this patch. This is not the correct way to fix the TMR region size.
Thanks,
Mukul
> -----Original Message-----
> From: Joshi, Mukul <Mukul.Joshi@xxxxxxx>
> Sent: Thursday, June 22, 2023 5:29 PM
> To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
> Cc: Lin, Amber <Amber.Lin@xxxxxxx>; Joshi, Mukul
> <Mukul.Joshi@xxxxxxx>
> Subject: [PATCH 2/2] drm/amdgpu: Correctly setup TMR region size for
> GFX9.4.3
>
> A faulty check was causing TMR region size to be setup incorrectly for
> GFX9.4.3. Remove the check and setup TMR region size as 280MB for
> GFX9.4.3.
>
> Fixes: b6780d70db5e ("drm/amdgpu: bypass bios dependent operations")
> Signed-off-by: Mukul Joshi <mukul.joshi@xxxxxxx>
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
> index 7c6dd3de1867..fa5721b3139c 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
> @@ -1718,7 +1718,7 @@ static int amdgpu_ttm_reserve_tmr(struct
> amdgpu_device *adev)
> reserve_size =
>
> amdgpu_atomfirmware_get_fw_reserved_fb_size(adev);
>
> - if (!adev->bios && adev->ip_versions[GC_HWIP][0] ==
> IP_VERSION(9, 4, 3))
> + if (adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 3))
> reserve_size = max(reserve_size, (uint32_t)280 << 20);
> else if (!reserve_size)
> reserve_size = DISCOVERY_TMR_OFFSET;
> --
> 2.35.1
