[PATCH 27/57] drm/amdgpu: Add vega20 soc init sequence on emulator (v3)

[Grazvydas Ignotas]

On Tue, May 15, 2018 at 5:59 PM, Alex Deucher <alexdeucher at gmail.com> wrote:
> From: Shaoyun Liu <Shaoyun.Liu at amd.com>
>
> v2: cleanups (Alex)
> v3: make it vega20 only (Alex)
>
> Signed-off-by: Shaoyun Liu <Shaoyun.Liu at amd.com>
> Acked-by: Alex Deucher <alexander.deucher at amd.com>
> Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
> ---
>  drivers/gpu/drm/amd/amdgpu/emu_soc.c | 10091 +++++++++++++++++++++++++++++++++
>  1 file changed, 10091 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/emu_soc.c b/drivers/gpu/drm/amd/amdgpu/emu_soc.c
> index d72c25c1b987..91f00fbe550a 100644
> --- a/drivers/gpu/drm/amd/amdgpu/emu_soc.c
> +++ b/drivers/gpu/drm/amd/amdgpu/emu_soc.c
> @@ -26,8 +26,10099 @@
>  #include "soc15_common.h"
>  #include "soc15_hw_ip.h"
>
> +static void wreg32_idx_byteoffset(struct amdgpu_device *adev, u32 offset, u32 value) {
> +
> +       static u32 maxoffset = 0;
> +       static int count = 0;
> +
> +       WREG32(0xc, offset);
> +       RREG32(0xc);
> +       WREG32(0xd, value);
> +       RREG32(0xd);
> +
> +       if (offset > maxoffset)
> +               maxoffset = offset;
> +
> +       count++;
> +       if (count % 100 == 0) {
> +               DRM_INFO("%5d registers written, max offset %08x\n", count, maxoffset);
> +               msleep(1);
> +       }
> +
> +}
> +
> +static void vg20_lsd_soc_init_with_umc(struct amdgpu_device *adev)
> +{
> +
> +               wreg32_idx_byteoffset(adev, 0x10131800, 0x40a40);
> +               wreg32_idx_byteoffset(adev, 0x10141010, 0x10000000);
> +               wreg32_idx_byteoffset(adev, 0x10134008, 0xfa042021);
> +               wreg32_idx_byteoffset(adev, 0x387C, 0x3);

Indentation (double tabs).
Could this be done in a similar way as
amdgpu_device_program_register_sequence() instead of thousands of
function calls?

> +
>  int emu_soc_asic_init(struct amdgpu_device *adev)
>  {
> +       if (adev->asic_type == CHIP_VEGA20) {
> +               vg20_lsd_soc_init_with_umc(adev);
> +
> +               amdgpu_device_program_register_sequence(adev,
> +                                                       (const u32 *)vega20_golden_init,

Unneeded cast.

Gražvydas