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drm/amdgpu/acpi: make ATPX/ATCS structures global (v2)

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They are global ACPI methods, so maybe the structures
global in the driver. This simplified a number of things
in the handling of these methods.

v2: reset the handle if verify interface fails (Lijo)
v3: fix compilation when ACPI is not defined.

Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher
2021-05-25 17:40:58 -04:00
parent f1688bd69e
commit f9b7f3703f
4 changed files with 139 additions and 161 deletions
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2
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
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@@ -3415,7 +3415,7 @@ static void amdgpu_dm_update_backlight_caps(struct amdgpu_display_manager *dm)
if (dm->backlight_caps.caps_valid)
return;
amdgpu_acpi_get_backlight_caps(dm->adev, &caps);
amdgpu_acpi_get_backlight_caps(&caps);
if (caps.caps_valid) {
dm->backlight_caps.caps_valid = true;
if (caps.aux_support)