From: Nicholas Kazlauskas <[email protected]> [Why] If vmpg_bytes is 0 and gpuvm is enabled then we divide by zero.
[How] Take the same path as gpuvm disabled when vmpg_bytes is 0. Reviewed-by: Dillon Varone <[email protected]> Signed-off-by: Nicholas Kazlauskas <[email protected]> Signed-off-by: Tom Chung <[email protected]> --- .../dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn5_calcs_dchub.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn5_calcs_dchub.c b/drivers/gpu/drm/amd/display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn5_calcs_dchub.c index 05a99c4f761b..321a29d289b6 100644 --- a/drivers/gpu/drm/amd/display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn5_calcs_dchub.c +++ b/drivers/gpu/drm/amd/display/dc/dml2_0/dml21/src/dml2_core/dml2_core_dcn5_calcs_dchub.c @@ -2417,7 +2417,7 @@ void dcn5_calculate_tdlut_setting( else tdlut_footprint_bytes = tdlut_pitch_bytes; - if (!p->gpuvm_enable) { + if (!p->gpuvm_enable || vmpg_bytes == 0) { tdlut_vmpg_per_frame = 0; tdlut_pte_req_per_frame = 0; } else { -- 2.43.0
