From: Roman Li Date: Tue, 19 Dec 2023 19:57:11 +0000 (-0500) Subject: drm/amd/display: Disable IPS by default X-Git-Tag: v6.8-rc1~21^2~7^2~65 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=16927047b396d100a510138bdf9fba65f35b81c2;p=linux-block.git 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 --- 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 fc230ecc7180..ddde330860fc 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;