drm/amdgpu: Add APTX quirk for Dell Latitude 5495
authorKai-Heng Feng <kai.heng.feng@canonical.com>
Tue, 27 Aug 2019 09:33:32 +0000 (17:33 +0800)
committerAlex Deucher <alexander.deucher@amd.com>
Tue, 27 Aug 2019 15:09:12 +0000 (10:09 -0500)
Needs ATPX rather than _PR3 to really turn off the dGPU. This can save
~5W when dGPU is runtime-suspended.

Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c

index 9b384a9..3e35a8f 100644 (file)
@@ -574,6 +574,7 @@ static const struct amdgpu_px_quirk amdgpu_px_quirk_list[] = {
        { 0x1002, 0x6900, 0x1002, 0x0124, AMDGPU_PX_QUIRK_FORCE_ATPX },
        { 0x1002, 0x6900, 0x1028, 0x0812, AMDGPU_PX_QUIRK_FORCE_ATPX },
        { 0x1002, 0x6900, 0x1028, 0x0813, AMDGPU_PX_QUIRK_FORCE_ATPX },
+       { 0x1002, 0x699f, 0x1028, 0x0814, AMDGPU_PX_QUIRK_FORCE_ATPX },
        { 0x1002, 0x6900, 0x1025, 0x125A, AMDGPU_PX_QUIRK_FORCE_ATPX },
        { 0x1002, 0x6900, 0x17AA, 0x3806, AMDGPU_PX_QUIRK_FORCE_ATPX },
        { 0, 0, 0, 0, 0 },