From 6c08e0ef87b8b4c1c243719a561c354e893c415d Mon Sep 17 00:00:00 2001 From: Evan Quan Date: Fri, 5 Nov 2021 15:25:30 +0800 Subject: drm/amd/pm: avoid duplicate powergate/ungate setting Just bail out if the target IP block is already in the desired powergate/ungate state. This can avoid some duplicate settings which sometimes may cause unexpected issues. Link: https://lore.kernel.org/all/YV81vidWQLWvATMM@zn.tnic/ Bug: https://bugzilla.kernel.org/show_bug.cgi?id=214921 Bug: https://bugzilla.kernel.org/show_bug.cgi?id=215025 Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1789 Signed-off-by: Evan Quan Tested-by: Borislav Petkov Reviewed-by: Lijo Lazar Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/include/amd_shared.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers/gpu/drm/amd/include') diff --git a/drivers/gpu/drm/amd/include/amd_shared.h b/drivers/gpu/drm/amd/include/amd_shared.h index f1a46d16f7ea..4b9e68a79f06 100644 --- a/drivers/gpu/drm/amd/include/amd_shared.h +++ b/drivers/gpu/drm/amd/include/amd_shared.h @@ -98,7 +98,8 @@ enum amd_ip_block_type { AMD_IP_BLOCK_TYPE_ACP, AMD_IP_BLOCK_TYPE_VCN, AMD_IP_BLOCK_TYPE_MES, - AMD_IP_BLOCK_TYPE_JPEG + AMD_IP_BLOCK_TYPE_JPEG, + AMD_IP_BLOCK_TYPE_NUM, }; enum amd_clockgating_state { -- cgit v1.2.3-59-g8ed1b