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drm/amd/display: screen flickers when connected to ext monitor in clone 

Signed-off-by: Hersen Wu <hersenxs.wu@amd.com>
Signed-off-by: Tony Cheng <tony.cheng@amd.com>
Reviewed-by: Hersen Wu <hersenxs.wu@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Hersen Wu 2017-09-20 16:30:44 -04:00 committed by Alex Deucher
parent 4d1a562659
commit 4f4ee68686
3 changed files with 12 additions and 0 deletions
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8
drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c
View File

@ -1018,9 +1018,17 @@ bool dcn_validate_bandwidth(
context->bw.dcn.calc_clk.min_active_dram_ccm_us = (int)(v->min_active_dram_clock_change_margin);
context->bw.dcn.calc_clk.dcfclk_deep_sleep_khz = (int)(v->dcf_clk_deep_sleep * 1000);
context->bw.dcn.calc_clk.dcfclk_khz = (int)(v->dcfclk * 1000);
context->bw.dcn.calc_clk.dispclk_khz = (int)(v->dispclk * 1000);
if (dc->debug.max_disp_clk == true)
context->bw.dcn.calc_clk.dispclk_khz = (int)(dc->dcn_soc->max_dispclk_vmax0p9 * 1000);
if (context->bw.dcn.calc_clk.dispclk_khz <
dc->debug.min_disp_clk_khz) {
context->bw.dcn.calc_clk.dispclk_khz =
dc->debug.min_disp_clk_khz;
}
context->bw.dcn.calc_clk.dppclk_div = (int)(v->dispclk_dppclk_ratio) == 2;
for (i = 0, input_idx = 0; i < pool->pipe_count; i++) {

1
drivers/gpu/drm/amd/display/dc/dc.h
View File

@ -178,6 +178,7 @@ struct dc_debug {
bool disable_pplib_wm_range;
bool use_dml_wm;
bool disable_pipe_split;
unsigned int min_disp_clk_khz;
int sr_exit_time_dpm0_ns;
int sr_enter_plus_exit_time_dpm0_ns;
int sr_exit_time_ns;

3
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c
View File

@ -420,6 +420,9 @@ static const struct dc_debug debug_defaults_drv = {
.force_abm_enable = false,
.timing_trace = false,
.clock_trace = true,
.min_disp_clk_khz = 300000,
.disable_pplib_clock_request = true,
.disable_pplib_wm_range = false,
#if defined(CONFIG_DRM_AMD_DC_DCN1_0)