From: Sung Lee Date: Mon, 5 Oct 2020 16:14:31 +0000 (-0400) Subject: drm/amd/display: DCN2.1 Disable 48MHz Powerdown Debug Option X-Git-Tag: Ubuntu-5.13.0-19.19~4434^2~12^2~197 X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=e5df916b8581a7c3118ab3632d05739ebfd938c4;p=mirror_ubuntu-jammy-kernel.git drm/amd/display: DCN2.1 Disable 48MHz Powerdown Debug Option [WHY & HOW] Currently disable 48mhz debug option only disables on boot. Need to put option check in update_clocks as well to make it affect more areas. Signed-off-by: Sung Lee Acked-by: Aurabindo Pillai Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c index 2f8fee05547a..c42d2f4e81e8 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c @@ -124,7 +124,7 @@ void rn_update_clocks(struct clk_mgr *clk_mgr_base, * if it is safe to lower, but we are already in the lower state, we don't have to do anything * also if safe to lower is false, we just go in the higher state */ - if (safe_to_lower) { + if (safe_to_lower && !dc->debug.disable_48mhz_pwrdwn) { /* check that we're not already in lower */ if (clk_mgr_base->clks.pwr_state != DCN_PWR_STATE_LOW_POWER) {