queue-4.19/drm-amdgpu-remove-atpx_dgpu_req_power_for_displays-check-when-hotplug-in.patch

   1 From bdb1ccb080dafc1b4224873a5b759ff85a7d1c10 Mon Sep 17 00:00:00 2001
   2 From: Aaron Liu <aaron.liu@amd.com>
   3 Date: Tue, 30 Apr 2019 09:47:25 +0800
   4 Subject: drm/amdgpu: remove ATPX_DGPU_REQ_POWER_FOR_DISPLAYS check when hotplug-in
   5
   6 From: Aaron Liu <aaron.liu@amd.com>
   7
   8 commit bdb1ccb080dafc1b4224873a5b759ff85a7d1c10 upstream.
   9
  10 In amdgpu_atif_handler, when hotplug event received, remove
  11 ATPX_DGPU_REQ_POWER_FOR_DISPLAYS check. This bit's check will cause missing
  12 system resume.
  13
  14 Signed-off-by: Aaron Liu <aaron.liu@amd.com>
  15 Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
  16 Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
  17 Cc: stable@vger.kernel.org
  18 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
  19
  20 ---
  21  drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c |    3 +--
  22  1 file changed, 1 insertion(+), 2 deletions(-)
  23
  24 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
  25 +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
  26 @@ -416,8 +416,7 @@ static int amdgpu_atif_handler(struct am
  27                         }
  28                 }
  29                 if (req.pending & ATIF_DGPU_DISPLAY_EVENT) {
  30 -                       if ((adev->flags & AMD_IS_PX) &&
  31 -                           amdgpu_atpx_dgpu_req_power_for_displays()) {
  32 +                       if (adev->flags & AMD_IS_PX) {
  33                                 pm_runtime_get_sync(adev->ddev->dev);
  34                                 /* Just fire off a uevent and let userspace tell us what to do */
  35                                 drm_helper_hpd_irq_event(adev->ddev);