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drm/amdgpu/acpi: skip backlight events for DC

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No change in behavior, just bail sooner.

Reviewed-by: Jim Qu <Jim.Qu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2018-07-19 09:28:23 -05:00
parent 9e7204beae
commit 5b8eb0edba
1 changed files with 3 additions and 1 deletions
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4
drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
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@ -389,7 +389,9 @@ static int amdgpu_atif_handler(struct amdgpu_device *adev,
DRM_DEBUG_DRIVER("ATIF: %d pending SBIOS requests\n", count);
if (req.pending & ATIF_PANEL_BRIGHTNESS_CHANGE_REQUEST) {
/* todo: add DC handling */
if ((req.pending & ATIF_PANEL_BRIGHTNESS_CHANGE_REQUEST) &&
!amdgpu_device_has_dc_support(adev)) {
struct amdgpu_encoder *enc = atif->encoder_for_bl;
if (enc) {