From: Leo Chen Date: Fri, 17 Apr 2026 17:51:24 +0000 (-0400) Subject: drm/amd/display: Disable hpo power gate X-Git-Tag: v7.2-rc1~141^2~24^2~80 X-Git-Url: http://git.ipfire.org/gitweb/index.cgi?a=commitdiff_plain;h=04f5c13b5543006fbeeeacc5d4f4e2ed3ef8e6bb;p=thirdparty%2Flinux.git drm/amd/display: Disable hpo power gate [Why & How] Disable HPO power gate temporarily to work around some DP 2 LL compliance failures on DCN42. Reviewed-by: Roman Li Signed-off-by: Leo Chen Signed-off-by: Tom Chung Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn42/dcn42_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn42/dcn42_resource.c index acd76269abb42..ce26816b3e65c 100644 --- a/drivers/gpu/drm/amd/display/dc/resource/dcn42/dcn42_resource.c +++ b/drivers/gpu/drm/amd/display/dc/resource/dcn42/dcn42_resource.c @@ -700,6 +700,7 @@ static const struct dc_debug_options debug_defaults_drv = { .disable_optc_power_gate = false, .disable_dsc_power_gate = false, .disable_dio_power_gate = true, + .disable_hpo_power_gate = true, .pipe_split_policy = MPC_SPLIT_AVOID, .force_single_disp_pipe_split = false, .disable_dcc = DCC_ENABLE,