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drm/amdgpu/display: disable eDP fast boot optimization on DCE8

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Seems to cause blank screens.

Bug: https://bugs.freedesktop.org/show_bug.cgi?id=106940
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2018-08-16 15:35:21 -05:00
parent e6f8d26ebb
commit 95f05a3a2e
1 changed files with 7 additions and 1 deletions
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8
drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
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@ -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);
}