linux-kernel - [PATCH v9 0/5] Fix degradation problem of alpha blending series

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Message-ID: <20241007070101.23263-1-jason-jh.lin@mediatek.com>
Date: Mon, 7 Oct 2024 15:00:56 +0800
From: Jason-JH.Lin <jason-jh.lin@...iatek.com>
To: Adam Thiede <me@...mthiede.com>, Yassine Oudjana
	<yassine.oudjana@...il.com>, Chun-Kuang Hu <chunkuang.hu@...nel.org>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
CC: Shawn Sung <shawn.sung@...iatek.com>, Alper Nebi Yasak
	<alpernebiyasak@...il.com>, <dri-devel@...ts.freedesktop.org>,
	<linux-mediatek@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>, "Jason-JH . Lin"
	<jason-jh.lin@...iatek.com>, Singo Chang <singo.chang@...iatek.com>, "Nancy
 Lin" <nancy.lin@...iatek.com>,
	<Project_Global_Chrome_Upstream_Group@...iatek.com>
Subject: [PATCH v9 0/5] Fix degradation problem of alpha blending series

Some SoCs do not support the ignore_pixl_alpha flag, which breaks the
XRGB8888 format. Some SoCs do not support pre-multiplied pixel formats
and extending configuration of OVL pre-multiplied color formats,
such as MT8173.

Fix the SoC degradation problem by this sreies.

---
Change in v9:
1. Add the fix patch for the XRGB8888 downgrade issue of MT8173
2. Add the refine patch for ignore_pixel_alpha statement

Change in v8:
Remove blend_modes for not supported pre-multiplied SoCs to fix the
return error from drm_plane_create_blend_mode_property().

Change in v7:
1. Add the remove color format comment patch for OVL
2. Fix warning: 'const' type qualifier on return type has no effect

Chnage in v6:
1. Use blend_modes instead of function pointer in OVL
2. Use ethdr instead of mdp_rdma to get blend_modes
3. Add 0 checking for adding blend_mode property for mtk_plane

Change in v5:
Add fix patch for mtk_plane

Change in v4:
Add lost cases of mtk_ovl_fmt_convert_with_blend

Change in v3:
Change MACRO approach to function pointer in driver data

Change in v2:
Fix build error and typo

Change in v1:
Add fix patch for OVL unsupport color format settings by driver data

---

Jason-JH.Lin (5):
  drm/mediatek: ovl: Fix XRGB format breakage for blend_modes
    unsupported SoCs
  drm/mediatek: ovl: Refine ignore_pixel_alpha comment and placement
  drm/mediatek: ovl: Remove the color format comment for
    ovl_fmt_convert()
  drm/mediatek: ovl: Add blend_modes to driver data
  drm/mediatek: Add blend_modes to mtk_plane_init() for different SoCs

 drivers/gpu/drm/mediatek/mtk_crtc.c           |  1 +
 drivers/gpu/drm/mediatek/mtk_ddp_comp.c       |  2 +
 drivers/gpu/drm/mediatek/mtk_ddp_comp.h       | 10 +++
 drivers/gpu/drm/mediatek/mtk_disp_drv.h       |  2 +
 drivers/gpu/drm/mediatek/mtk_disp_ovl.c       | 70 ++++++++++++++-----
 .../gpu/drm/mediatek/mtk_disp_ovl_adaptor.c   |  7 ++
 drivers/gpu/drm/mediatek/mtk_ethdr.c          |  7 ++
 drivers/gpu/drm/mediatek/mtk_ethdr.h          |  1 +
 drivers/gpu/drm/mediatek/mtk_plane.c          | 15 ++--
 drivers/gpu/drm/mediatek/mtk_plane.h          |  4 +-
 10 files changed, 92 insertions(+), 27 deletions(-)

-- 
2.43.0