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authorAlex Deucher <alexander.deucher@amd.com>2018-08-16 15:35:21 -0500
committerAlex Deucher <alexander.deucher@amd.com>2018-08-21 14:23:17 -0500
commit95f05a3a2e6895ecfd8b4f64b5d6c6cf0b6a3f4a (patch)
treef6b875fde2152b57b7ce73a247093125b5003929 /drivers/gpu
parente6f8d26ebbcf45ff964abf7d9d2430401638067c (diff)
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 <harry.wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c8
1 files changed, 7 insertions, 1 deletions
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);
}