On 12/8/2023 4:14 AM, Dmitry Baryshkov wrote:
On Fri, 8 Dec 2023 at 07:06, Abhinav Kumar <quic_abhinavk@xxxxxxxxxxx> wrote:
Chroma Down Sampling (CDM) block is a hardware block in the DPU pipeline
which among other things has a CSC block that can convert RGB input
from the DPU to YUV data.
This block is more or less standard between all hw versions. I do not
expect any faults and/or issues with any of the platforms.
From what I can see, from the platforms that we do not support, it is
not available only on sm6115/qcs4290, qcm2290 and sm6375. Can we
please enable it for all the other platforms?
Its just a validation criteria. I have only enabled it on devices which
I have tested on and do not want to take responsibilty of the bugs
reported on untested chipsets.
I am open to the approach of publishing a follow-up RFT for the other
devices like you did for WB on some of the chipsets.
This block can be used with either HDMI, DP or writeback interface.
In this series, lets first add the support for CDM block to be used
with writeback and then follow-up with support for other interfaces such
as DP.
This was validated by adding support to pass custom output format to the
IGT's kms_writeback test-case, specifically only for the output dump
test-case [1].
The usage for this is:
./kms_writeback -d -f <name of the DRM YUV fmt from igt_fb>
So for NV12, this can be verified with the below command:
./kms_writeback -d -f NV12
[1] : https://patchwork.freedesktop.org/series/122125/
changes in v2:
- rebased on top of current msm-next-lumag
- fix commit text of some of the patches
- move csc matrices to dpu_hw_util as they span across DPU
- move cdm blk define to dpu_hw_catalog as its common across chipsets
- remove bit magic in dpu_hw_cdm with relevant defines
- use drmm_kzalloc instead of kzalloc/free
- protect bind_pingpong_blk with core_rev check
- drop setup_csc_data() and setup_cdwn() ops as they
are merged into enable()
- protect bind_pingpong_blk with core_rev check
- drop setup_csc_data() and setup_cdwn() ops as they
are merged into enable()
- move needs_cdm to topology struct
- call update_pending_flush_cdm even when bind_pingpong_blk
is not present
- drop usage of setup_csc_data() and setup_cdwn() cdm ops
as they both have been merged into enable()
- drop reduntant hw_cdm and hw_pp checks
- drop fb related checks from dpu_encoder::atomic_mode_set()
- introduce separate wb2_format arrays for rgb and yuv
Abhinav Kumar (16):
drm/msm/dpu: add formats check for writeback encoder
drm/msm/dpu: rename dpu_encoder_phys_wb_setup_cdp to match its
functionality
drm/msm/dpu: fix writeback programming for YUV cases
drm/msm/dpu: move csc matrices to dpu_hw_util
drm/msm/dpu: add cdm blocks to sc7280 dpu_hw_catalog
drm/msm/dpu: add cdm blocks to sm8250 dpu_hw_catalog
drm/msm/dpu: add dpu_hw_cdm abstraction for CDM block
drm/msm/dpu: add cdm blocks to RM
drm/msm/dpu: add support to allocate CDM from RM
drm/msm/dpu: add CDM related logic to dpu_hw_ctl layer
drm/msm/dpu: add support to disable CDM block during encoder cleanup
drm/msm/dpu: add an API to setup the CDM block for writeback
drm/msm/dpu: plug-in the cdm related bits to writeback setup
drm/msm/dpu: reserve cdm blocks for writeback in case of YUV output
drm/msm/dpu: introduce separate wb2_format arrays for rgb and yuv
drm/msm/dpu: add cdm blocks to dpu snapshot
drivers/gpu/drm/msm/Makefile | 1 +
.../msm/disp/dpu1/catalog/dpu_10_0_sm8650.h | 4 +-
.../msm/disp/dpu1/catalog/dpu_6_0_sm8250.h | 5 +-
.../msm/disp/dpu1/catalog/dpu_6_2_sc7180.h | 4 +-
.../msm/disp/dpu1/catalog/dpu_7_2_sc7280.h | 5 +-
.../msm/disp/dpu1/catalog/dpu_9_0_sm8550.h | 4 +-
drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 37 +++
.../gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h | 5 +
.../drm/msm/disp/dpu1/dpu_encoder_phys_wb.c | 117 +++++++-
.../gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c | 47 ++-
.../gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h | 13 +
drivers/gpu/drm/msm/disp/dpu1/dpu_hw_cdm.c | 276 ++++++++++++++++++
drivers/gpu/drm/msm/disp/dpu1/dpu_hw_cdm.h | 114 ++++++++
drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c | 35 +++
drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.h | 12 +
drivers/gpu/drm/msm/disp/dpu1/dpu_hw_mdss.h | 7 +
drivers/gpu/drm/msm/disp/dpu1/dpu_hw_util.c | 71 +++++
drivers/gpu/drm/msm/disp/dpu1/dpu_hw_util.h | 8 +
drivers/gpu/drm/msm/disp/dpu1/dpu_hw_wb.c | 3 +
drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 4 +
drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h | 1 +
drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c | 39 +--
drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c | 51 +++-
drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h | 2 +
drivers/gpu/drm/msm/msm_drv.h | 2 +
25 files changed, 815 insertions(+), 52 deletions(-)
create mode 100644 drivers/gpu/drm/msm/disp/dpu1/dpu_hw_cdm.c
create mode 100644 drivers/gpu/drm/msm/disp/dpu1/dpu_hw_cdm.h
--
2.40.1
