Attachment 141151 Details for Bug 106940 – disable eDP optimization on DCE8

[patch] disable eDP optimization on DCE8

0001-drm-amdgpu-display-disable-eDP-fast-boot-optimizatio.patch (text/plain), 1.35 KB, created by Alex Deucher on 2018-08-16 20:37:46 UTC

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Creator: Alex Deucher

Created: 2018-08-16 20:37:46 UTC

Size: 1.35 KB

patch

obsolete

>From 70d1871eba2679ebdcc191492337c1220b7dfbee Mon Sep 17 00:00:00 2001
>From: Alex Deucher <alexander.deucher@amd.com>
>Date: Thu, 16 Aug 2018 15:35:21 -0500
>Subject: [PATCH] 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
>Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
>---
> drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c | 8 +++++++-
> 1 file changed, 7 insertions(+), 1 deletion(-)
>
>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 350ee3e3e34d..2e3f85ceeaa9 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
>@@ -1562,7 +1562,13 @@ 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);
> 	}
> 
>-- 
>2.13.6
>

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Attachments on bug 106940: 140195 | 140197 | 140198 | 140199 | 140200 | 140201 | 140202 | 140251 | 141123 | 141124 | 141145 | 141151

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