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linux/drivers/gpu/drm/amd/display/dc
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Timur Kristóf 9ea16f6418 drm/amd/display: Read EDID from VBIOS embedded panel info 
Some board manufacturers hardcode the EDID for the embedded
panel in the VBIOS. This EDID should be used when the panel
doesn't have a DDC.

For reference, see the legacy non-DC display code:
amdgpu_atombios_encoder_get_lcd_info()

This is necessary to support embedded connectors without DDC.

Fixes: 4562236b3b ("drm/amd/dc: Add dc display driver (v2)")
Link: https://gitlab.freedesktop.org/drm/amd/-/work_items/5192
Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit eb105e63b474c11ef6a84a1c6b18100d851ff364)
2026-04-29 10:41:40 -04:00
..
basics drm/amd/display: Fixed Silence complier warnings in dc 2026-03-30 15:12:15 -04:00
bios drm/amd/display: Read EDID from VBIOS embedded panel info 2026-04-29 10:41:40 -04:00
clk_mgr drm/amd/display: move memory latency update to dml for dcn42 2026-04-17 15:21:33 -04:00
core drm/amd/display: Disable 10-bit truncation and dithering on DCE 6.x 2026-04-21 17:03:33 -04:00
dccg drm/amd/display: Fixed Silence complier warnings in dc 2026-03-30 15:12:15 -04:00
dce drm/amd/display: Allow DCE link encoder without AUX registers 2026-04-29 10:41:22 -04:00
dce60 drm/amd/display/dc: reclassify DCE6 resources and hw sequencer 2025-04-08 16:48:14 -04:00
dce80 drm/amd/display: Fixed Silence complier warnings in dc 2026-03-30 15:12:15 -04:00
dce110 drm/amd/display: Fixed Silence complier warnings in dc 2026-03-30 15:12:15 -04:00
dce112 drm/amd/display: Fixed Silence complier warnings in dc 2026-03-30 15:12:15 -04:00
dce120 drm/amd/display: Fixed Silence complier warnings in dc 2026-03-30 15:12:15 -04:00
dcn10 drm/amd/display: Fixed Silence complier warnings in dc 2026-03-30 15:12:15 -04:00
dcn20 drm/amd/display: Fix Silence signed/unsighed mismatch warning in dc 2026-03-30 14:55:17 -04:00
dcn21 drm/amd/display: refactor HPD to increase flexibility 2025-12-08 13:56:40 -05:00
dcn30 drm/amd/display: Update MCIF_ADDR macro to address IGT DWB regression 2026-04-28 15:45:28 -04:00
dcn31 drm/amd/display: Fixed Silence complier warnings in dc 2026-03-30 15:12:15 -04:00
dcn201 drm/amd/display: refactor HPD to increase flexibility 2025-12-08 13:56:40 -05:00
dcn301 drm/amd/display: Refactor for dio 2024-07-27 17:31:26 -04:00
dio drm/amd/display: Fixed Silence complier warnings in dc 2026-03-30 15:12:15 -04:00
dml drm/amd/display: Fix fpu guard warning 2026-04-17 15:24:45 -04:00
dml2_0 drm/amd/display: Move dml2_destroy to non-FPU compilation unit 2026-04-17 15:25:27 -04:00
dpp drm/amd/display: Remove unused NUM_ELEMENTS macros 2026-04-03 14:04:49 -04:00
dsc drm/amd/display: Rework YCbCr422 DSC policy 2026-04-17 15:12:02 -04:00
dwb drm/amd/display: Fixed Silence complier warnings in dc 2026-03-30 15:12:15 -04:00
gpio drm/amd/display: Allow embedded connectors without DDC 2026-04-29 10:41:15 -04:00
hdcp drm/amd/display: Rename header file link.h to link_service.h 2025-09-15 16:57:29 -04:00
hpo drm/amd/display: Sync dcn42 with DC 3.2.373 2026-03-11 13:58:07 -04:00
hubbub drm/amd/display: Fixed Silence complier warnings in dc 2026-03-30 15:12:15 -04:00
hubp drm/amd/display: Fixed Silence complier warnings in dc 2026-03-30 15:12:15 -04:00
hwss drm/amd/display: Restore analog connector support 2026-04-24 11:08:15 -04:00
inc drm/amd/display: Rename enum 'pixel_format' to 'dc_pixel_format' 2026-03-23 14:19:14 -04:00
irq drm/amd/display: Fixed Silence complier warnings in dc 2026-03-30 15:12:15 -04:00
link drm/amd/display: Allow embedded connectors without DDC 2026-04-29 10:41:15 -04:00
mmhubbub drm/amd/display: Enable dcn42 DC 2026-02-23 14:28:33 -05:00
mpc drm/amd/display: Remove unused NUM_ELEMENTS macros 2026-04-03 14:04:49 -04:00
opp drm/amd/display: Fixed Silence complier warnings in dc 2026-03-30 15:12:15 -04:00
optc drm/amd/display: Fixed Silence complier warnings in dc 2026-03-30 15:12:15 -04:00
pg drm/amd/display: pg cntl update based on previous asic. 2026-03-23 14:15:23 -04:00
resource drm/amd/display: Allow constructing DCE8 link encoder without DDC 2026-04-29 10:41:34 -04:00
soc_and_ip_translator drm/amd/display: move memory latency update to dml for dcn42 2026-04-17 15:21:33 -04:00
sspl drm/amd/display: Add static keyword for sharpness tables 2026-02-18 10:42:30 -05:00
dc_bios_types.h drm/amd/display: Restore analog connector support 2026-04-24 11:08:15 -04:00
dc_ddc_types.h
dc_dmub_srv.c drm/amd/display: Fixed Silence complier warnings in dc 2026-03-30 15:12:15 -04:00
dc_dmub_srv.h drm/amd/display: Add a buffer for boot time crc 2026-03-17 10:36:01 -04:00
dc_dp_types.h drm/amd/display: Add new types to replay config 2026-03-11 11:01:59 -04:00
dc_dsc.h drm/amd/display: Rework YCbCr422 DSC policy 2026-04-17 15:12:02 -04:00
dc_edid_parser.c
dc_edid_parser.h
dc_fused_io.c drm/amd/display: Prepare for Fused I2C-over-AUX 2025-05-05 12:55:30 -04:00
dc_fused_io.h drm/amd/display: HDCP Locality check using DMUB Fused IO 2025-04-07 18:01:07 -04:00
dc_hdmi_types.h drm/amd/display: Bump the HDMI clock to 340MHz 2026-01-10 14:21:53 -05:00
dc_helper.c drm/amd/display: Fixed Silence complier warnings in dc 2026-03-30 15:12:15 -04:00
dc_hw_types.h drm/amd/display: Rename enum 'pixel_format' to 'dc_pixel_format' 2026-03-23 14:19:14 -04:00
dc_plane_priv.h
dc_plane.h drm/amd/display: Sync dcn42 with DC 3.2.373 2026-03-11 13:58:07 -04:00
dc_spl_translate.c drm/amd/display: Rename enum 'pixel_format' to 'dc_pixel_format' 2026-03-23 14:19:14 -04:00
dc_spl_translate.h drm/amd/display: add back quality EASF and ISHARP and dc dependency changes 2024-08-27 17:53:58 -04:00
dc_stat.h
dc_state_priv.h drm/amd/display: Refactor SubVP cursor limiting logic 2025-05-05 12:58:49 -04:00
dc_state.h drm/amd/display: Eliminate recursive header inclusion 2024-10-01 17:37:50 -04:00
dc_stream_priv.h
dc_stream.h drm/amd/display: Fix compiler warnings 2026-04-17 15:23:39 -04:00
dc_trace.h drm/amd/display: Clean up unused code 2026-03-11 13:58:06 -04:00
dc_types.h drm/amd/display: Fix compiler warnings 2026-04-17 15:23:39 -04:00
dc.h drm/amd/display: Allow embedded connectors without DDC 2026-04-29 10:41:15 -04:00
dm_cp_psp.h
dm_event_log.h
dm_helpers.h drm/amd/display: Enable sink freesync via MCCS 2026-04-17 15:21:05 -04:00
dm_pp_smu.h
dm_services_types.h drm/amd/display: Add pixel_clock to amd_pp_display_configuration 2025-09-15 16:52:41 -04:00
dm_services.h drm/amd/display: Refactor SMU tracing 2025-09-23 10:31:51 -04:00
irq_types.h drm/amd/display: Implement HDMI Read Request 2025-04-21 11:27:25 -04:00
Makefile drm/amd/display: Refactor virtual directory reorganize encoder and hwss files. 2026-02-12 15:08:49 -05:00
os_types.h drm/amd/display: Permit DC_FP_START/END only in non-FP compilation units 2025-12-08 13:56:37 -05:00