[PATCH 01/14] drm/amd: Use ACPI macros for amdgpu_acpi

Alex Deucher alexdeucher at gmail.com
Fri Mar 28 19:01:06 UTC 2025


On Thu, Mar 27, 2025 at 4:39 PM Mario Limonciello <superm1 at kernel.org> wrote:
>
> From: Mario Limonciello <mario.limonciello at amd.com>
>
> Messages emitted from amdgpu_acpi are not device specific nor DRM
> specific, but rather operate on ACPI handles.  Adjust the messages
> to use ACPI macros instead.
>
> Signed-off-by: Mario Limonciello <mario.limonciello at amd.com>

Acked-by: Alex Deucher <alexander.deucher at amd.com>

> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c | 22 ++++++++++++----------
>  1 file changed, 12 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
> index b7f8f2ff143dd..1c5994de5a723 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
> @@ -256,7 +256,7 @@ static int amdgpu_atif_verify_interface(struct amdgpu_atif *atif)
>
>         size = *(u16 *) info->buffer.pointer;
>         if (size < 12) {
> -               DRM_INFO("ATIF buffer is too small: %zu\n", size);
> +               acpi_handle_info(atif->handle, "ATIF buffer is too small: %zu\n", size);
>                 err = -EINVAL;
>                 goto out;
>         }
> @@ -265,7 +265,7 @@ static int amdgpu_atif_verify_interface(struct amdgpu_atif *atif)
>         memcpy(&output, info->buffer.pointer, size);
>
>         /* TODO: check version? */
> -       DRM_DEBUG_DRIVER("ATIF version %u\n", output.version);
> +       acpi_handle_debug(atif->handle, "ATIF version %u\n", output.version);
>
>         amdgpu_atif_parse_notification(&atif->notifications, output.notification_mask);
>         amdgpu_atif_parse_functions(&atif->functions, output.function_bits);
> @@ -616,7 +616,7 @@ static int amdgpu_atcs_verify_interface(struct amdgpu_atcs *atcs)
>
>         size = *(u16 *) info->buffer.pointer;
>         if (size < 8) {
> -               DRM_INFO("ATCS buffer is too small: %zu\n", size);
> +               acpi_handle_info(atcs->handle, "ATCS buffer is too small: %zu\n", size);
>                 err = -EINVAL;
>                 goto out;
>         }
> @@ -625,7 +625,7 @@ static int amdgpu_atcs_verify_interface(struct amdgpu_atcs *atcs)
>         memcpy(&output, info->buffer.pointer, size);
>
>         /* TODO: check version? */
> -       DRM_DEBUG_DRIVER("ATCS version %u\n", output.version);
> +       acpi_handle_debug(atcs->handle, "ATCS version %u\n", output.version);
>
>         amdgpu_atcs_parse_functions(&atcs->functions, output.function_bits);
>
> @@ -741,7 +741,7 @@ int amdgpu_acpi_pcie_performance_request(struct amdgpu_device *adev,
>
>                 size = *(u16 *) info->buffer.pointer;
>                 if (size < 3) {
> -                       DRM_INFO("ATCS buffer is too small: %zu\n", size);
> +                       acpi_handle_info(atcs->handle, "ATCS buffer is too small: %zu\n", size);
>                         kfree(info);
>                         return -EINVAL;
>                 }
> @@ -800,7 +800,7 @@ int amdgpu_acpi_power_shift_control(struct amdgpu_device *adev,
>
>         info = amdgpu_atcs_call(atcs, ATCS_FUNCTION_POWER_SHIFT_CONTROL, &params);
>         if (!info) {
> -               DRM_ERROR("ATCS PSC update failed\n");
> +               acpi_handle_err(atcs->handle, "ATCS PSC update failed\n");
>                 return -EIO;
>         }
>
> @@ -1429,8 +1429,9 @@ void amdgpu_acpi_detect(void)
>         if (atif->functions.system_params) {
>                 ret = amdgpu_atif_get_notification_params(atif);
>                 if (ret) {
> -                       DRM_DEBUG_DRIVER("Call to GET_SYSTEM_PARAMS failed: %d\n",
> -                                       ret);
> +                       acpi_handle_debug(atif->handle,
> +                                         "GET_SYSTEM_PARAMS evaluation failed: %d\n",
> +                                         ret);
>                         /* Disable notification */
>                         atif->notification_cfg.enabled = false;
>                 }
> @@ -1439,8 +1440,9 @@ void amdgpu_acpi_detect(void)
>         if (atif->functions.query_backlight_transfer_characteristics) {
>                 ret = amdgpu_atif_query_backlight_caps(atif);
>                 if (ret) {
> -                       DRM_DEBUG_DRIVER("Call to QUERY_BACKLIGHT_TRANSFER_CHARACTERISTICS failed: %d\n",
> -                                       ret);
> +                       acpi_handle_debug(atif->handle,
> +                                         "QUERY_BACKLIGHT_TRANSFER_CHARACTERISTICS evaluation failed: %d\n",
> +                                         ret);
>                         atif->backlight_caps.caps_valid = false;
>                 }
>         } else {
> --
> 2.43.0
>


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