From 7db262ea5d18b3c6bb2447a53a8916731dd9a4bc Mon Sep 17 00:00:00 2001 From: jsg Date: Fri, 12 May 2023 11:00:22 +0000 Subject: [PATCH] drm/amd/display: fix a divided-by-zero error From Alex Hung e43cf7abece2efaebe0a757909d258212d01c404 in linux-6.1.y/6.1.28 0b5dfe12755f87ec014bb4cc1930485026167430 in mainline linux --- sys/dev/pci/drm/amd/display/modules/power/power_helpers.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/sys/dev/pci/drm/amd/display/modules/power/power_helpers.c b/sys/dev/pci/drm/amd/display/modules/power/power_helpers.c index 01fc6a368d2..9edd39322c8 100644 --- a/sys/dev/pci/drm/amd/display/modules/power/power_helpers.c +++ b/sys/dev/pci/drm/amd/display/modules/power/power_helpers.c @@ -924,6 +924,10 @@ bool psr_su_set_y_granularity(struct dc *dc, struct dc_link *link, pic_height = stream->timing.v_addressable + stream->timing.v_border_top + stream->timing.v_border_bottom; + + if (stream->timing.dsc_cfg.num_slices_v == 0) + return false; + slice_height = pic_height / stream->timing.dsc_cfg.num_slices_v; if (slice_height) { -- 2.20.1