From: Alex Deucher Date: Thu, 16 Aug 2018 20:35:21 +0000 (-0500) Subject: drm/amdgpu/display: disable eDP fast boot optimization on DCE8 X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=95f05a3a2e6895ecfd8b4f64b5d6c6cf0b6a3f4a;p=openwrt%2Fstaging%2Fblogic.git drm/amdgpu/display: disable eDP fast boot optimization on DCE8 Seems to cause blank screens. Bug: https://bugs.freedesktop.org/show_bug.cgi?id=106940 Reviewed-by: Harry Wentland Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c index 5450d4d38e8a..215409eb9495 100644 --- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c +++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c @@ -1588,7 +1588,13 @@ void dce110_enable_accelerated_mode(struct dc *dc, struct dc_state *context) bool can_eDP_fast_boot_optimize = false; if (edp_link) { - can_eDP_fast_boot_optimize = + /* this seems to cause blank screens on DCE8 */ + if ((dc->ctx->dce_version == DCE_VERSION_8_0) || + (dc->ctx->dce_version == DCE_VERSION_8_1) || + (dc->ctx->dce_version == DCE_VERSION_8_3)) + can_eDP_fast_boot_optimize = false; + else + can_eDP_fast_boot_optimize = edp_link->link_enc->funcs->is_dig_enabled(edp_link->link_enc); }