From: Sridevi Arvindekar Date: Wed, 10 Sep 2025 15:04:07 +0000 (-0400) Subject: drm/amd/display: Fix for test crash due to power gating X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=0bf6b216d4783cb51f9af05a49d3cce4fc22dc24;p=users%2Fhch%2Fmisc.git drm/amd/display: Fix for test crash due to power gating [Why/How] Call power gating routine only if it is defined. Reviewed-by: Alvin Lee Signed-off-by: Sridevi Arvindekar Signed-off-by: Ivan Lipski Tested-by: Dan Wheeler Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.c index 417f2679723e..95af58cbb92a 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.c @@ -3131,7 +3131,8 @@ void dcn20_fpga_init_hw(struct dc *dc) res_pool->dccg->funcs->dccg_init(res_pool->dccg); //Enable ability to power gate / don't force power on permanently - hws->funcs.enable_power_gating_plane(hws, true); + if (hws->funcs.enable_power_gating_plane) + hws->funcs.enable_power_gating_plane(hws, true); // Specific to FPGA dccg and registers REG_WRITE(RBBMIF_TIMEOUT_DIS, 0xFFFFFFFF);