From: Wesley Chalmers Wesley.Chalmers@amd.com
[WHY] Writing to DRR registers such as OTG_V_TOTAL_MIN on the same frame as a pipe commit can cause underflow.
Cc: stable@vger.kernel.org Cc: Mario Limonciello mario.limonciello@amd.com Reviewed-by: Jun Lei Jun.Lei@amd.com Acked-by: Qingqing Zhuo qingqing.zhuo@amd.com Signed-off-by: Wesley Chalmers Wesley.Chalmers@amd.com --- drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c | 3 --- 1 file changed, 3 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c index 586de81fc2da..6d328b7e07a8 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c @@ -990,8 +990,5 @@ void dcn30_prepare_bandwidth(struct dc *dc, dc->clk_mgr->funcs->set_max_memclk(dc->clk_mgr, dc->clk_mgr->bw_params->clk_table.entries[dc->clk_mgr->bw_params->clk_table.num_entries - 1].memclk_mhz);
dcn20_prepare_bandwidth(dc, context); - - dc_dmub_srv_p_state_delegate(dc, - context->bw_ctx.bw.dcn.clk.fw_based_mclk_switching, context); }