From d70ccd4a65373599fe9aa999dff07c05ea2893e6 Mon Sep 17 00:00:00 2001 From: Yongqiang Sun Date: Fri, 28 Jul 2017 15:33:38 -0400 Subject: [PATCH] drm/amd/display: Keep blank until set visibility to true after mode switch Signed-off-by: Yongqiang Sun Reviewed-by: Tony Cheng Acked-by: Harry Wentland Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/core/dc.c | 21 ++++++++----------- .../gpu/drm/amd/display/dc/dce/dce_hwseq.c | 4 ++++ 2 files changed, 13 insertions(+), 12 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index 83b8b196cc1e..ba8093317aa9 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -1609,12 +1609,10 @@ void dc_update_surfaces_and_stream(struct dc *dc, if (!pipe_ctx->surface || pipe_ctx->top_pipe) continue; - if (!pipe_ctx->tg->funcs->is_blanked(pipe_ctx->tg)) { - core_dc->hwss.pipe_control_lock( - core_dc, - pipe_ctx, - true); - } + core_dc->hwss.pipe_control_lock( + core_dc, + pipe_ctx, + true); } if (update_type == UPDATE_TYPE_FULL) break; @@ -1697,12 +1695,11 @@ void dc_update_surfaces_and_stream(struct dc *dc, if (!pipe_ctx->surface || pipe_ctx->top_pipe) continue; - if (!pipe_ctx->tg->funcs->is_blanked(pipe_ctx->tg)) { - core_dc->hwss.pipe_control_lock( - core_dc, - pipe_ctx, - false); - } + core_dc->hwss.pipe_control_lock( + core_dc, + pipe_ctx, + false); + break; } } diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_hwseq.c b/drivers/gpu/drm/amd/display/dc/dce/dce_hwseq.c index a8c254f66c98..c46b3e82cdcc 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_hwseq.c @@ -52,6 +52,10 @@ void dce_pipe_control_lock(struct core_dc *dc, uint32_t dcp_grph, scl, blnd, update_lock_mode, val; struct dce_hwseq *hws = dc->hwseq; + /* Not lock pipe when blank */ + if (lock && pipe->tg->funcs->is_blanked(pipe->tg)) + return; + val = REG_GET_4(BLND_V_UPDATE_LOCK[pipe->pipe_idx], BLND_DCP_GRPH_V_UPDATE_LOCK, &dcp_grph, BLND_SCL_V_UPDATE_LOCK, &scl,