This is a preparation for adding support for the ovl_adaptor sub driver
Ovl_adaptor is a DRM sub driver, which doesn't have dma dev. Add
dma_dev_get function for getting representative dma dev in ovl_adaptor.
Signed-off-by: Nancy.Lin
Reviewed-by: AngeloGioachino Del Regno
Reviewed-by: CK Hu
Tes
MT8195 have two mmsys. Modify drm for MT8195 multi-mmsys support.
The two mmsys (vdosys0 and vdosys1) will bring up two drm drivers,
only one drm driver register as the drm device.
Each drm driver binds its own component. The last bind drm driver
allocates and registers the drm device to drm core.
Add ovl_adaptor driver for MT8195.
Ovl_adaptor is an encapsulated module and designed for simplified
DRM control flow. This module is composed of 8 RDMAs, 4 MERGEs and
an ETHDR. Two RDMAs merge into one layer, so this module support 4
layers.
Signed-off-by: Nancy.Lin
Reviewed-by: Chun-Kuang Hu
R
Add ovl_adaptor get_format and get_num_formats component function.
The two functions are need for getting the supported format in
mtk_plane_init().
Signed-off-by: Nancy.Lin
Change-Id: Ia8e9f6cabcc71b262155a022b103ae81d1616b8f
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drivers/gpu/drm/mediatek/mtk_disp_drv.h | 2 ++
.../gpu/drm
Add ovl_adaptor get_format and get_num_formats component function.
The two functions are need for getting the supported format in
mtk_plane_init().
Signed-off-by: Nancy.Lin
---
drivers/gpu/drm/mediatek/mtk_disp_drv.h | 2 ++
.../gpu/drm/mediatek/mtk_disp_ovl_adaptor.c | 24 +
fix Smatch static checker warning
-Fix uninitialized symbol comp_pdev in mtk_ddp_comp_init.
Fixes: 0d9eee9118b7 ("drm/mediatek: Add drm ovl_adaptor sub driver for MT8195")
Signed-off-by: Nancy.Lin
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v3: fix reviewer comment in v2
v2: add Fixes tag
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drivers/gpu/drm/mediatek/mtk_drm_ddp_com
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