From: Alex Deucher Date: Thu, 19 Jul 2018 14:28:23 +0000 (-0500) Subject: drm/amdgpu/acpi: skip backlight events for DC X-Git-Tag: v4.19-rc1~138^2~14^2~26 X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=5b8eb0edba15b1685acbb76751fbb189de4ca310;p=users%2Fhch%2Fuuid.git drm/amdgpu/acpi: skip backlight events for DC No change in behavior, just bail sooner. Reviewed-by: Jim Qu Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c index 455617813ec4..353993218f21 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c @@ -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) {