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

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On 2018-08-21 03:47 PM, Alex Deucher wrote:
> On Tue, Aug 21, 2018 at 3:38 PM Harry Wentland <harry.wentland at amd.com> wrote:
>>
>> On 2018-08-16 04:38 PM, Alex Deucher wrote:
>>> Seems to cause blank screens.
>>>
>>> Bug: https://bugs.freedesktop.org/show_bug.cgi?id=106940
>>> Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
>>
>> Your SOB is using a different email from the author. Mind if I change it to your gmail?
> 
> Weird.  not sure what happened there.  I'd prefer you just override
> the author to my amd address.
> 

Done and pushed.

It looks like you sent the patch from your gmail, which is why that's shown as author.

Harry

> Alex
> 
>>
>> Harry
>>
>>> ---
>>>  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);
>>>       }
>>>
>>>


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