[Bug 70934] [Regression] Problem with colors (depth?) on DCE5 Barts (HD69xx)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=70934

--- Comment #6 from Rafał Miłecki <zajec5 at gmail.com> ---
Created attachment 88207
  --> https://bugs.freedesktop.org/attachment.cgi?id=88207&action=edit
A small debugging patch I've applied

It resulted in:

[   46.687422] fbcon: radeondrmfb (fb0) is primary device
[   46.687950] [radeon_get_monitor_bpc:124] connector->display_info.bpc:6
[   46.687953] [convert_bpc_to_bpp:408] Called with bpc 6
[   46.687955] [radeon_get_monitor_bpc:124] connector->display_info.bpc:6
[   46.687957] [convert_bpc_to_bpp:408] Called with bpc 6
[   46.687958] [radeon_get_monitor_bpc:124] connector->display_info.bpc:6
[   46.687959] [convert_bpc_to_bpp:408] Called with bpc 6
[   46.688296] [radeon_get_monitor_bpc:124] connector->display_info.bpc:6
[   46.688298] [atombios_dig_encoder_setup:544] Changing bpc from 8 to 6
[   46.688299] [radeon_get_monitor_bpc:124] connector->display_info.bpc:6
[   48.204703] [radeon_get_monitor_bpc:124] connector->display_info.bpc:6
[   48.204705] [atombios_crtc_set_pll:968] Changing bpc from 8 to 6
[   48.204707] [radeon_get_monitor_bpc:124] connector->display_info.bpc:6
[   48.204709] [radeon_get_monitor_bpc:124] connector->display_info.bpc:6
[   48.204710] [atombios_adjust_pll:591] Changing bpc from 8 to 6
[   48.204712] [radeon_get_monitor_bpc:124] connector->display_info.bpc:6
[   48.205120] [radeon_get_monitor_bpc:124] connector->display_info.bpc:6
[   48.205121] [atombios_dig_encoder_setup:544] Changing bpc from 8 to 6
[   48.205123] [radeon_get_monitor_bpc:124] connector->display_info.bpc:6
[   48.205138] [radeon_get_monitor_bpc:124] connector->display_info.bpc:6
[   48.205139] [atombios_dig_encoder_setup:544] Changing bpc from 8 to 6
[   48.205141] [radeon_get_monitor_bpc:124] connector->display_info.bpc:6
[   48.426542] [radeon_get_monitor_bpc:124] connector->display_info.bpc:6
[   48.426545] [atombios_dig_encoder_setup:544] Changing bpc from 8 to 6
[   48.426547] [radeon_get_monitor_bpc:124] connector->display_info.bpc:6
[   48.426908] [radeon_get_monitor_bpc:124] connector->display_info.bpc:6
[   48.426910] [atombios_dig_encoder_setup:544] Changing bpc from 8 to 6
[   48.426911] [radeon_get_monitor_bpc:124] connector->display_info.bpc:6
[   48.429552] [radeon_get_monitor_bpc:124] connector->display_info.bpc:6
[   48.429554] [atombios_dig_encoder_setup:544] Changing bpc from 8 to 6
[   48.429556] [radeon_get_monitor_bpc:124] connector->display_info.bpc:6
[   48.432481] [radeon_get_monitor_bpc:124] connector->display_info.bpc:6
[   48.432483] [atombios_dig_encoder_setup:544] Changing bpc from 8 to 6
[   48.432484] [radeon_get_monitor_bpc:124] connector->display_info.bpc:6
[   48.432488] [radeon_get_monitor_bpc:124] connector->display_info.bpc:6
[   48.432489] [atombios_dig_encoder_setup:544] Changing bpc from 8 to 6
[   48.432491] [radeon_get_monitor_bpc:124] connector->display_info.bpc:6
[   48.488094] Console: switching to colour frame buffer device 240x67

I think the problem is simply that connector->display_info.bpc is set to 6
instead of 8. I didn't track place where it's set yet.

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