On 08/09/2023 04:26, Abhinav Kumar wrote:
_dpu_plane_calc_bw() uses integer variables to calculate the bandwidth used during plane bandwidth calculations. However for high resolution displays this overflows easily and leads to below errors[dpu error]crtc83 failed performance check -7 Promote the intermediate variables to u64 to avoid overflow. changes in v2: - change to u64 where actually needed in the math Fixes: c33b7c0389e1 ("drm/msm/dpu: add support for clk and bw scaling for display") Closes: https://gitlab.freedesktop.org/drm/msm/-/issues/32 Signed-off-by: Abhinav Kumar <quic_abhin...@quicinc.com> --- drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-)
Reviewed-by: Dmitry Baryshkov <dmitry.barysh...@linaro.org> -- With best wishes Dmitry
