[PATCH] drm/amdgpu: Remove checking for atombios

Alex Deucher alexdeucher at gmail.com
Thu Dec 15 21:08:22 UTC 2016


On Wed, Dec 14, 2016 at 3:52 PM, Nils Wallménius
<nils.wallmenius at gmail.com> wrote:
> This is a left over from radeon, amdgpu doesn't support any
> non-atombios parts and amdgpu_device_init would bail if the
> check for atombios failed anyway.
>
> Signed-off-by: Nils Wallménius <nils.wallmenius at gmail.com>

Applied.  thanks!

Alex

> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu.h            |  1 -
>  drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c       | 10 ++++------
>  drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c       | 12 ++++++------
>  drivers/gpu/drm/amd/amdgpu/amdgpu_device.c     |  8 +-------
>  drivers/gpu/drm/amd/amdgpu/amdgpu_display.c    | 10 ++++------
>  drivers/gpu/drm/amd/amdgpu/amdgpu_i2c.c        |  3 +--
>  drivers/gpu/drm/amd/amdgpu/atombios_encoders.c |  6 ------
>  7 files changed, 16 insertions(+), 34 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> index 29d3a91..11de710 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> @@ -1330,7 +1330,6 @@ struct amdgpu_device {
>
>         /* BIOS */
>         uint8_t                         *bios;
> -       bool                            is_atom_bios;
>         struct amdgpu_bo                *stollen_vga_memory;
>         uint32_t                        bios_scratch[AMDGPU_BIOS_NUM_SCRATCH];
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
> index 5796539..ef79551 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
> @@ -672,12 +672,10 @@ int amdgpu_acpi_init(struct amdgpu_device *adev)
>
>                         if ((enc->devices & (ATOM_DEVICE_LCD_SUPPORT)) &&
>                             enc->enc_priv) {
> -                               if (adev->is_atom_bios) {
> -                                       struct amdgpu_encoder_atom_dig *dig = enc->enc_priv;
> -                                       if (dig->bl_dev) {
> -                                               atif->encoder_for_bl = enc;
> -                                               break;
> -                                       }
> +                               struct amdgpu_encoder_atom_dig *dig = enc->enc_priv;
> +                               if (dig->bl_dev) {
> +                                       atif->encoder_for_bl = enc;
> +                                       break;
>                                 }
>                         }
>                 }
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c
> index b7e2762..1103259 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c
> @@ -387,15 +387,15 @@ bool amdgpu_get_bios(struct amdgpu_device *adev)
>         if (!bios_header_start) {
>                 goto free_bios;
>         }
> +
> +       /* Must be an ATOMBIOS */
>         tmp = bios_header_start + 4;
> -       if (!memcmp(adev->bios + tmp, "ATOM", 4) ||
> -           !memcmp(adev->bios + tmp, "MOTA", 4)) {
> -               adev->is_atom_bios = true;
> -       } else {
> -               adev->is_atom_bios = false;
> +       if (memcmp(adev->bios + tmp, "ATOM", 4) &&
> +           memcmp(adev->bios + tmp, "MOTA", 4)) {
> +               goto free_bios;
>         }
>
> -       DRM_DEBUG("%sBIOS detected\n", adev->is_atom_bios ? "ATOM" : "COM");
> +       DRM_DEBUG("ATOMBIOS detected\n");
>         return true;
>  free_bios:
>         kfree(adev->bios);
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> index d907411..dc017d1 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> @@ -1603,7 +1603,6 @@ int amdgpu_device_init(struct amdgpu_device *adev,
>         adev->pdev = pdev;
>         adev->flags = flags;
>         adev->asic_type = flags & AMD_ASIC_MASK;
> -       adev->is_atom_bios = false;
>         adev->usec_timeout = AMDGPU_MAX_USEC_TIMEOUT;
>         adev->mc.gtt_size = 512 * 1024 * 1024;
>         adev->accel_working = false;
> @@ -1718,12 +1717,7 @@ int amdgpu_device_init(struct amdgpu_device *adev,
>                 r = -EINVAL;
>                 goto failed;
>         }
> -       /* Must be an ATOMBIOS */
> -       if (!adev->is_atom_bios) {
> -               dev_err(adev->dev, "Expecting atombios for GPU\n");
> -               r = -EINVAL;
> -               goto failed;
> -       }
> +
>         r = amdgpu_atombios_init(adev);
>         if (r) {
>                 dev_err(adev->dev, "amdgpu_atombios_init failed\n");
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
> index 741144f..d235125 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
> @@ -582,12 +582,10 @@ int amdgpu_modeset_create_props(struct amdgpu_device *adev)
>  {
>         int sz;
>
> -       if (adev->is_atom_bios) {
> -               adev->mode_info.coherent_mode_property =
> -                       drm_property_create_range(adev->ddev, 0 , "coherent", 0, 1);
> -               if (!adev->mode_info.coherent_mode_property)
> -                       return -ENOMEM;
> -       }
> +       adev->mode_info.coherent_mode_property =
> +               drm_property_create_range(adev->ddev, 0 , "coherent", 0, 1);
> +       if (!adev->mode_info.coherent_mode_property)
> +               return -ENOMEM;
>
>         adev->mode_info.load_detect_property =
>                 drm_property_create_range(adev->ddev, 0, "load detection", 0, 1);
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_i2c.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_i2c.c
> index 91d3673..f273999 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_i2c.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_i2c.c
> @@ -231,8 +231,7 @@ void amdgpu_i2c_init(struct amdgpu_device *adev)
>         if (amdgpu_hw_i2c)
>                 DRM_INFO("hw_i2c forced on, you may experience display detection problems!\n");
>
> -       if (adev->is_atom_bios)
> -               amdgpu_atombios_i2c_init(adev);
> +       amdgpu_atombios_i2c_init(adev);
>  }
>
>  /* remove all the buses */
> diff --git a/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c b/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c
> index c32eca2..2af26d2 100644
> --- a/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c
> +++ b/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c
> @@ -181,9 +181,6 @@ void amdgpu_atombios_encoder_init_backlight(struct amdgpu_encoder *amdgpu_encode
>         if (!amdgpu_encoder->enc_priv)
>                 return;
>
> -       if (!adev->is_atom_bios)
> -               return;
> -
>         if (!(adev->mode_info.firmware_flags & ATOM_BIOS_INFO_BL_CONTROLLED_BY_GPU))
>                 return;
>
> @@ -236,9 +233,6 @@ amdgpu_atombios_encoder_fini_backlight(struct amdgpu_encoder *amdgpu_encoder)
>         if (!amdgpu_encoder->enc_priv)
>                 return;
>
> -       if (!adev->is_atom_bios)
> -               return;
> -
>         if (!(adev->mode_info.firmware_flags & ATOM_BIOS_INFO_BL_CONTROLLED_BY_GPU))
>                 return;
>
> --
> 2.10.2
>
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