From: Roman Li <Roman.Li@xxxxxxx> [Why] IPS was temporary disabled due to instability. It was fixed in dmub firmware and with: - "drm/amd/display: Add IPS checks before dcn register access" - "drm/amd/display: Disable ips before dc interrupt setting" [How] Enable IPS by default. Disable IPS if 0x800 bit set in amdgpu.dcdebugmask module params Signed-off-by: Roman Li <Roman.Li@xxxxxxx> Tested-by: Mark Broadworth <mark.broadworth@xxxxxxx> --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) 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 41994a60e2cd..9d909c09a14f 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -1719,7 +1719,8 @@ 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; + if (amdgpu_dc_debug_mask & DC_DISABLE_IPS) + init_data.flags.disable_ips = DMUB_IPS_DISABLE_ALL; init_data.flags.disable_ips_in_vpb = 1; -- 2.34.1
