linux-kernel - [PATCH v4 0/5] Support alpha blending in MTK display driver

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Message-Id: <20240717-alpha-blending-v4-0-4b1c806c0749@mediatek.com>
Date: Wed, 17 Jul 2024 13:24:40 +0800
From: Hsiao Chien Sung via B4 Relay <devnull+shawn.sung.mediatek.com@...nel.org>
To: Chun-Kuang Hu <chunkuang.hu@...nel.org>, 
 Philipp Zabel <p.zabel@...gutronix.de>, David Airlie <airlied@...il.com>, 
 Daniel Vetter <daniel@...ll.ch>, Matthias Brugger <matthias.bgg@...il.com>, 
 AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
Cc: dri-devel@...ts.freedesktop.org, linux-mediatek@...ts.infradead.org, 
 linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 Hsiao Chien Sung <shawn.sung@...iatek.corp-partner.google.com>, 
 CK Hu <ck.hu@...iatek.com>, Hsiao Chien Sung <shawn.sung@...iatek.com>
Subject: [PATCH v4 0/5] Support alpha blending in MTK display driver

Support "Pre-multiplied" and "None" blend mode on MediaTek's chips by
adding correct blend mode property when the planes init.
Before this patch, only the "Coverage" mode (default) is supported.

Signed-off-by: Hsiao Chien Sung <shawn.sung@...iatek.corp-partner.google.com>
---
Changes in v4:
- Add more information to the commit message
- Link to v3: https://lore.kernel.org/r/20240710-alpha-blending-v3-0-289c187f9c6f@mediatek.com

Changes in v3:
- Remove the Change-Id
- Link to v2: https://lore.kernel.org/r/20240710-alpha-blending-v2-0-d4b505e6980a@mediatek.com

Changes in v2:
- Remove unnecessary codes
- Add more information to the commit message
- Link to v1: https://lore.kernel.org/r/20240620-blend-v1-0-72670072ca20@mediatek.com

---
Hsiao Chien Sung (5):
      drm/mediatek: Support "None" blending in OVL
      drm/mediatek: Support "None" blending in Mixer
      drm/mediatek: Support "Pre-multiplied" blending in OVL
      drm/mediatek: Support "Pre-multiplied" blending in Mixer
      drm/mediatek: Support alpha blending in display driver

 drivers/gpu/drm/mediatek/mtk_disp_ovl.c | 36 +++++++++++++++++++++++++--------
 drivers/gpu/drm/mediatek/mtk_ethdr.c    | 13 +++++++++---
 drivers/gpu/drm/mediatek/mtk_plane.c    | 11 ++++++++++
 3 files changed, 49 insertions(+), 11 deletions(-)
---
base-commit: 8ad49a92cff4bab13eb2f2725243f5f31eff3f3b
change-id: 20240710-alpha-blending-067295570863

Best regards,
-- 
Hsiao Chien Sung <shawn.sung@...iatek.com>