From 16927047b396d100a510138bdf9fba65f35b81c2 Mon Sep 17 00:00:00 2001 From: Roman Li Date: Tue, 19 Dec 2023 14:57:11 -0500 Subject: [PATCH] drm/amd/display: Disable IPS by default [Why] Instability is observed on DCN35 if idle power optimization is enabled. [How] Disable IPS until issue is resolved. Signed-off-by: Roman Li Tested-by: Daniel Wheeler Reviewed-by: Rodrigo Siqueira Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index fc230ecc71805..ddde330860fc0 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -1712,6 +1712,8 @@ static int amdgpu_dm_init(struct amdgpu_device *adev) init_data.nbio_reg_offsets = adev->reg_offset[NBIO_HWIP][0]; init_data.clk_reg_offsets = adev->reg_offset[CLK_HWIP][0]; + init_data.flags.disable_ips = DMUB_IPS_DISABLE_ALL; + /* Enable DWB for tested platforms only */ if (amdgpu_ip_version(adev, DCE_HWIP, 0) >= IP_VERSION(3, 0, 0)) init_data.num_virtual_links = 1; -- 2.30.2