[PATCH 00/18] drm/amd/display: Enable writeback for amdgpu

[Harry Wentland]

Can we boot the system if we only apply patces 1-3? If not, we might
want to move patch 2 to the end of the series.

A bunch of these patches are from me. Would be good if they can get a
Reviewed-by from you (or someone else, other than me) before merging.

Series is
Reviewed-by: Harry Wentland <harry.wentland at amd.com>

Harry

On 2023-08-16 17:26, Alex Hung wrote:
> This patchset adds drm_writeback connector supports and enables display
> writeback block (DWB) in AMD hardware.
> 
> The function can be tested by IGT's kms_writeback test which also
> requires a number of patches to enable 10bit (DRM_FORMAT_XRGB2101010).
> Patches are available @ https://patchwork.freedesktop.org/series/122536/
> 
> Alex Hung (10):
>   drm/amd/display: Initialize writeback connector
>   drm/amd/display: Hande writeback request from userspace
>   drm/amd/display: Add writeback enable/disable in dc
>   drm/amd/display: Fix writeback_info never got updated
>   drm/amd/display: Validate hw_points_num before using it
>   drm/amd/display: Fix writeback_info is not removed
>   drm/amd/display: Add writeback enable field (wb_enabled)
>   drm/amd/display: Setup for mmhubbub3_warmup_mcif with big buffer
>   drm/amd/display: Add new set_fc_enable to struct dwbc_funcs
>   drm/amd/display: Disable DWB frame capture to emulate oneshot
> 
> Harry Wentland (8):
>   drm/amd/display: Skip entire amdgpu_dm build if !CONFIG_DRM_AMD_DC
>   drm/amd/display: Create one virtual connector in DC
>   drm/amd/display: Skip writeback connector when we get
>     amdgpu_dm_connector
>   drm/amd/display: Return drm_connector from
>     find_first_crtc_matching_connector
>   drm/amd/display: Use drm_connector in create_stream_for_sink
>   drm/amd/display: Use drm_connector in create_validate_stream_for_sink
>   drm/amd/display: Create amdgpu_dm_wb_connector
>   drm/amd/display: Create fake sink and stream for writeback connector
> 
>  drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h      |   4 +
>  .../gpu/drm/amd/display/amdgpu_dm/Makefile    |  14 +-
>  .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 375 ++++++++++++++++--
>  .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h |  12 +-
>  .../drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c |   3 +
>  .../drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c |  22 +-
>  .../display/amdgpu_dm/amdgpu_dm_mst_types.c   |   8 +-
>  .../drm/amd/display/amdgpu_dm/amdgpu_dm_wb.c  | 215 ++++++++++
>  .../drm/amd/display/amdgpu_dm/amdgpu_dm_wb.h  |  36 ++
>  .../gpu/drm/amd/display/dc/core/dc_stream.c   |  80 +++-
>  drivers/gpu/drm/amd/display/dc/dc_stream.h    |   4 +
>  .../gpu/drm/amd/display/dc/dcn30/dcn30_dwb.c  |  23 ++
>  .../gpu/drm/amd/display/dc/dcn30/dcn30_dwb.h  |   2 +
>  .../drm/amd/display/dc/dcn30/dcn30_dwb_cm.c   |   3 +
>  .../drm/amd/display/dc/dcn30/dcn30_hwseq.c    |   4 +
>  .../drm/amd/display/dc/dcn31/dcn31_hwseq.c    |   3 +-
>  drivers/gpu/drm/amd/display/dc/inc/hw/dwb.h   |   4 +
>  17 files changed, 742 insertions(+), 70 deletions(-)
>  create mode 100644 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_wb.c
>  create mode 100644 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_wb.h
>