From: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
To: shawn.sung@mediatek.com, Chun-Kuang Hu <chunkuang.hu@kernel.org>,
Philipp Zabel <p.zabel@pengutronix.de>,
David Airlie <airlied@gmail.com>, Daniel Vetter <daniel@ffwll.ch>,
Matthias Brugger <matthias.bgg@gmail.com>
Cc: dri-devel@lists.freedesktop.org,
linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
Hsiao Chien Sung <shawn.sung@mediatek.corp-partner.google.com>,
CK Hu <ck.hu@mediatek.com>
Subject: Re: [PATCH v4 3/5] drm/mediatek: Support "Pre-multiplied" blending in OVL
Date: Wed, 17 Jul 2024 15:49:44 +0200 [thread overview]
Message-ID: <7d942686-e6cd-43c5-8bd0-7dcb93d691e6@collabora.com> (raw)
In-Reply-To: <20240717-alpha-blending-v4-3-4b1c806c0749@mediatek.com>
Il 17/07/24 07:24, Hsiao Chien Sung via B4 Relay ha scritto:
> From: Hsiao Chien Sung <shawn.sung@mediatek.com>
>
> Support "Pre-multiplied" alpha blending mode on in OVL.
> Before this patch, only the "coverage" mode is supported.
>
> As whether OVL_CON_CLRFMT_MAN bit is enabled, (3 << 12)
> means different formats in the datasheet. To prevent
> misunderstandings going forward, instead of reusing
> OVL_CON_CLRFMT_RGBA8888, we intetionally defined
> OVL_CON_CLRFMT_PARGB8888 with bit operation again.
>
> Reviewed-by: CK Hu <ck.hu@mediatek.com>
> Signed-off-by: Hsiao Chien Sung <shawn.sung@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
next prev parent reply other threads:[~2024-07-17 13:49 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-07-17 5:24 [PATCH v4 0/5] Support alpha blending in MTK display driver Hsiao Chien Sung via B4 Relay
2024-07-17 5:24 ` [PATCH v4 1/5] drm/mediatek: Support "None" blending in OVL Hsiao Chien Sung via B4 Relay
2024-07-17 13:49 ` AngeloGioacchino Del Regno
2024-07-17 5:24 ` [PATCH v4 2/5] drm/mediatek: Support "None" blending in Mixer Hsiao Chien Sung via B4 Relay
2024-07-17 5:58 ` CK Hu (胡俊光)
2024-07-17 5:24 ` [PATCH v4 3/5] drm/mediatek: Support "Pre-multiplied" blending in OVL Hsiao Chien Sung via B4 Relay
2024-07-17 13:49 ` AngeloGioacchino Del Regno [this message]
2024-07-17 5:24 ` [PATCH v4 4/5] drm/mediatek: Support "Pre-multiplied" blending in Mixer Hsiao Chien Sung via B4 Relay
2024-07-17 6:05 ` CK Hu (胡俊光)
2024-07-17 5:24 ` [PATCH v4 5/5] drm/mediatek: Support alpha blending in display driver Hsiao Chien Sung via B4 Relay
2024-07-31 13:34 ` [PATCH v4 0/5] Support alpha blending in MTK " Chun-Kuang Hu
2024-08-02 1:25 ` Shawn Sung (宋孝謙)
2024-09-12 20:29 ` Alper Nebi Yasak
2024-09-13 1:25 ` CK Hu (胡俊光)
2024-09-13 2:56 ` Jason-JH Lin (林睿祥)
2024-09-13 5:40 ` Alper Nebi Yasak
2024-09-13 9:01 ` AngeloGioacchino Del Regno
2024-09-14 20:22 ` Jason-JH Lin (林睿祥)
2024-09-15 10:30 ` Shawn Sung (宋孝謙)
2024-09-13 2:56 ` Shawn Sung (宋孝謙)
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