From a2b4e24d7f9bb69d165395e4d367608d6acb765b Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Thu, 19 Jul 2018 09:28:23 -0500 Subject: [PATCH 4989/5725] drm/amdgpu/acpi: skip backlight events for DC No change in behavior, just bail sooner. Reviewed-by: Jim Qu Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c index 4556178..3539932 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) { -- 2.7.4