From: Shawn Sung <shawn.sung@mediatek.com>
To: Chun-Kuang Hu <chunkuang.hu@kernel.org>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@collabora.com>
Cc: Philipp Zabel <p.zabel@pengutronix.de>,
David Airlie <airlied@gmail.com>,
Daniel Vetter <daniel@ffwll.ch>,
Matthias Brugger <matthias.bgg@gmail.com>,
Bibby Hsieh <bibby.hsieh@mediatek.com>,
CK Hu <ck.hu@mediatek.com>,
"Nancy . Lin" <nancy.lin@mediatek.com>,
Fei Shao <fshao@chromium.org>, Sean Paul <sean@poorly.run>,
Jason Chen <jason-ch.chen@mediatek.corp-partner.google.com>,
<dri-devel@lists.freedesktop.org>,
<linux-mediatek@lists.infradead.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>,
Hsiao Chien Sung <shawn.sung@mediatek.com>
Subject: [PATCH v7 10/18] drm/mediatek: Support constant blending in Mixer
Date: Thu, 2 May 2024 18:38:40 +0800 [thread overview]
Message-ID: <20240502103848.5845-11-shawn.sung@mediatek.com> (raw)
In-Reply-To: <20240502103848.5845-1-shawn.sung@mediatek.com>
From: Hsiao Chien Sung <shawn.sung@mediatek.com>
Support constant blending in Mixer.
Signed-off-by: Hsiao Chien Sung <shawn.sung@mediatek.com>
---
drivers/gpu/drm/mediatek/mtk_ethdr.c | 12 ++++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/mediatek/mtk_ethdr.c b/drivers/gpu/drm/mediatek/mtk_ethdr.c
index 4ffd0a0648613..5283e0993ed65 100644
--- a/drivers/gpu/drm/mediatek/mtk_ethdr.c
+++ b/drivers/gpu/drm/mediatek/mtk_ethdr.c
@@ -154,6 +154,7 @@ void mtk_ethdr_layer_config(struct device *dev, unsigned int idx,
unsigned int offset = (pending->x & 1) << 31 | pending->y << 16 | pending->x;
unsigned int align_width = ALIGN_DOWN(pending->width, 2);
unsigned int alpha_con = 0;
+ bool replace_src_a = false;
dev_dbg(dev, "%s+ idx:%d", __func__, idx);
@@ -173,8 +174,15 @@ void mtk_ethdr_layer_config(struct device *dev, unsigned int idx,
if (state->base.fb && state->base.fb->format->has_alpha)
alpha_con = MIXER_ALPHA_AEN | MIXER_ALPHA;
- mtk_mmsys_mixer_in_config(priv->mmsys_dev, idx + 1, alpha_con ? false : true,
- DEFAULT_9BIT_ALPHA,
+ if (state->base.fb && !state->base.fb->format->has_alpha) {
+ /*
+ * Mixer doesn't support CONST_BLD mode,
+ * use a trick to make the output equivalent
+ */
+ replace_src_a = true;
+ }
+
+ mtk_mmsys_mixer_in_config(priv->mmsys_dev, idx + 1, replace_src_a, MIXER_ALPHA,
pending->x & 1 ? MIXER_INX_MODE_EVEN_EXTEND :
MIXER_INX_MODE_BYPASS, align_width / 2 - 1, cmdq_pkt);
--
2.18.0
next prev parent reply other threads:[~2024-05-02 10:39 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-02 10:38 [PATCH v7 00/18] Support IGT in display driver Shawn Sung
2024-05-02 10:38 ` [PATCH v7 01/18] soc: mediatek: Disable 9-bit alpha in ETHDR Shawn Sung
2024-05-07 5:58 ` CK Hu (胡俊光)
2024-05-07 10:02 ` Shawn Sung (宋孝謙)
2024-05-02 10:38 ` [PATCH v7 02/18] drm/mediatek: Add OVL compatible name for MT8195 Shawn Sung
2024-05-02 10:38 ` [PATCH v7 03/18] drm/mediatek: Add missing plane settings when async update Shawn Sung
2024-05-02 10:38 ` [PATCH v7 04/18] drm/mediatek: Add DRM_MODE_ROTATE_0 to rotation property Shawn Sung
2024-05-02 10:38 ` [PATCH v7 05/18] drm/mediatek: Set DRM mode configs accordingly Shawn Sung
2024-05-03 2:38 ` CK Hu (胡俊光)
2024-05-27 4:33 ` Fei Shao
2024-05-27 4:38 ` Chen-Yu Tsai
2024-05-27 4:54 ` Fei Shao
2024-05-27 5:28 ` Chen-Yu Tsai
2024-05-02 10:38 ` [PATCH v7 06/18] drm/mediatek: Turn off the layers with zero width or height Shawn Sung
2024-05-02 10:38 ` [PATCH v7 07/18] drm/mediatek: Support more 10bit formats in OVL Shawn Sung
2024-05-03 2:51 ` CK Hu (胡俊光)
2024-05-02 10:38 ` [PATCH v7 08/18] drm/mediatek: Support RGBA8888 and RGBX8888 " Shawn Sung
2024-05-03 2:58 ` CK Hu (胡俊光)
2024-05-02 10:38 ` [PATCH v7 09/18] drm/mediatek: Support constant blending " Shawn Sung
2024-05-03 5:29 ` CK Hu (胡俊光)
2024-05-03 5:52 ` CK Hu (胡俊光)
2024-05-02 10:38 ` Shawn Sung [this message]
2024-05-03 5:45 ` [PATCH v7 10/18] drm/mediatek: Support constant blending in Mixer CK Hu (胡俊光)
2024-05-02 10:38 ` [PATCH v7 11/18] drm/mediatek: Support "Pre-multiplied" blending in OVL Shawn Sung
2024-05-03 9:04 ` CK Hu (胡俊光)
2024-05-02 10:38 ` [PATCH v7 12/18] drm/mediatek: Support "Pre-multiplied" blending in Mixer Shawn Sung
2024-05-03 9:28 ` CK Hu (胡俊光)
2024-05-02 10:38 ` [PATCH v7 13/18] drm/mediatek: Support "None" blending in OVL Shawn Sung
2024-05-02 10:38 ` [PATCH v7 14/18] drm/mediatek: Support "None" blending in Mixer Shawn Sung
2024-05-03 9:40 ` CK Hu (胡俊光)
2024-05-02 10:38 ` [PATCH v7 15/18] drm/mediatek: Support alpha blending in display driver Shawn Sung
2024-05-02 10:38 ` [PATCH v7 16/18] drm/mediatek: Support CRC " Shawn Sung
2024-05-04 14:22 ` kernel test robot
2024-05-02 10:38 ` [PATCH v7 17/18] drm/mediatek: Support CRC in OVL Shawn Sung
2024-05-02 10:38 ` [PATCH v7 18/18] drm/mediatek: Support CRC in OVL adaptor Shawn Sung
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