[PATCH v5 0/7] drm/mediatek: fix cursor issue and apply CMDQ in MTK DRM

[CK Hu]

Hi, Bibby:

For this series, applied to mediatek-drm-next-5.6 [1], thanks.

[1]
https://github.com/ckhu-mediatek/linux.git-tags/commits/mediatek-drm-next-5.6

Regards,
CK

On Tue, 2019-12-10 at 13:05 +0800, Bibby Hsieh wrote:
> The CMDQ (Command Queue) in MT8183 is used to help update all
> relevant display controller registers with critical time limation.
> This patch add cmdq interface in ddp_comp interface, let all
> ddp_comp interface can support cpu/cmdq function at the same time.
> 
> These patches also can fixup cursor moving is not smooth
> when heavy load in webgl.
> 
> This patch depends on ptach:
> add drm support for MT8183
> (https://patchwork.kernel.org/cover/11121519/)
> support gce on mt8183 platform
> (https://patchwork.kernel.org/cover/11255147/)
> drm/mediatek: Check return value of mtk_drm_ddp_comp_for_plane
> (https://lore.kernel.org/patchwork/patch/1154517/)
> 
> Changes since v4:
>  - rebase to Linux 5.5-rc1
>  - add fixes tag
> 
> Changes since v3:
>  - remove redundant code and variable
> 
> Changes since v2:
>  - move some changes to another patch
>  - disable layer in atomic_disable()
> 
> Changes since v1:
>  - remove redundant code
>  - merge the duplicate code
>  - use async instead of cursor
> 
> Changes since v0:
>  - remove redundant code
>  - remove patch
>    "drm/mediatek: fix atomic_state reference counting"
>    After remove this patch, the issue we met before is gone.
>    So I do not add any extra code to do something.
> 
> Bibby Hsieh (7):
>   drm/mediatek: use DRM core's atomic commit helper
>   drm/mediatek: handle events when enabling/disabling crtc
>   drm/mediatek: update cursors by using async atomic update
>   drm/mediatek: disable all the planes in atomic_disable
>   drm/mediatek: remove unused external function
>   drm/mediatek: support CMDQ interface in ddp component
>   drm/mediatek: apply CMDQ control flow
> 
>  drivers/gpu/drm/mediatek/mtk_disp_color.c   |   7 +-
>  drivers/gpu/drm/mediatek/mtk_disp_ovl.c     |  67 ++++----
>  drivers/gpu/drm/mediatek/mtk_disp_rdma.c    |  43 ++---
>  drivers/gpu/drm/mediatek/mtk_drm_crtc.c     | 165 ++++++++++++++++----
>  drivers/gpu/drm/mediatek/mtk_drm_crtc.h     |   2 +
>  drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 131 ++++++++++++----
>  drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h |  47 +++---
>  drivers/gpu/drm/mediatek/mtk_drm_drv.c      |  86 +---------
>  drivers/gpu/drm/mediatek/mtk_drm_drv.h      |   7 -
>  drivers/gpu/drm/mediatek/mtk_drm_plane.c    |  47 ++++++
>  drivers/gpu/drm/mediatek/mtk_drm_plane.h    |   2 +
>  11 files changed, 380 insertions(+), 224 deletions(-)
>