From: Yongqiang Sun Date: Fri, 17 Nov 2017 15:44:15 +0000 (-0500) Subject: drm/amd/display: Disable plane right after disconnected X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=8e504bccc11663c3b334ef1a7698e18a967de920;p=openwrt%2Fstaging%2Fblogic.git drm/amd/display: Disable plane right after disconnected HDR display playing video underflow is observed when switching to full screen due to program a lower watermark right after unlock otg. Instead of disable plane in next flip coming, if there is a plane disconnected, after otg unlock wait for mpcc idle and disable the plane, then program watermark. So there is enough warter mark to make sure current frame data pass through. Signed-off-by: Yongqiang Sun Reviewed-by: Tony Cheng Acked-by: Harry Wentland Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c index 1ebe980bfb6d..d542e4db5495 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c @@ -2297,7 +2297,7 @@ static void dcn10_apply_ctx_for_surface( pipe_ctx->plane_state->update_flags.bits.full_update) program_water_mark = true; - if (removed_pipe[i] && num_planes == 0) + if (removed_pipe[i]) dcn10_disable_plane(dc, old_pipe_ctx); } @@ -2306,6 +2306,7 @@ static void dcn10_apply_ctx_for_surface( /* pstate stuck check after watermark update */ dcn10_verify_allow_pstate_change_high(dc); } + /* watermark is for all pipes */ hubbub1_program_watermarks(dc->res_pool->hubbub, &context->bw.dcn.watermarks, ref_clk_mhz);