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charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" From: "Li, Roman" [Why] The initial purpose of dcn10 pipe split is to support some high bandwidth mode which requires dispclk greater than max dispclk. By initial bring up power measurement data, it showed power consumption is less with pipe split for dcn block. This could be reason for enable pipe split by default. By battery life measurement of some Chromebooks, result shows battery life is longer with pipe split disabled. [How] Disable pipe split by default. Pipe split could be still enabled when required dispclk is greater than max dispclk. Signed-off-by: hersen wu > Reviewed-by: Roman Li > --- drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c index 36745193c391..90e912fef2b3 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c @@ -608,8 +608,8 @@ static const struct dc_debug_options debug_defaults_drv = { .disable_pplib_clock_request = false, .disable_pplib_wm_range = false, .pplib_wm_report_mode = WM_REPORT_DEFAULT, - .pipe_split_policy = MPC_SPLIT_DYNAMIC, - .force_single_disp_pipe_split = true, + .pipe_split_policy = MPC_SPLIT_AVOID, + .force_single_disp_pipe_split = false, .disable_dcc = DCC_ENABLE, .voltage_align_fclk = true, .disable_stereo_support = true, -- 2.25.1 _______________________________________________ amd-gfx mailing list amd-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/amd-gfx