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Tue, 17 Oct 2023 14:47:20 +0800 Received: from mtkmbs11n2.mediatek.inc (172.21.101.187) by mtkmbs10n1.mediatek.inc (172.21.101.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Tue, 17 Oct 2023 14:47:19 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Tue, 17 Oct 2023 14:47:19 +0800 From: Hsiao Chien Sung To: AngeloGioacchino Del Regno , Chun-Kuang Hu , Krzysztof Kozlowski , Matthias Brugger CC: Philipp Zabel , David Airlie , Daniel Vetter , Rob Herring , "Chen-Yu Tsai" , Sean Paul , , , , , , Singo Chang , Nancy Lin , Jason-JH Lin , Hsiao Chien Sung Subject: [PATCH v3 06/11] drm/mediatek: Support alpha blending in display driver Date: Tue, 17 Oct 2023 14:47:12 +0800 Message-ID: <20231017064717.21616-7-shawn.sung@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20231017064717.21616-1-shawn.sung@mediatek.com> References: <20231017064717.21616-1-shawn.sung@mediatek.com> MIME-Version: 1.0 X-TM-AS-Product-Ver: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-AS-Result: No-10--13.241300-8.000000 X-TMASE-MatchedRID: sHBNP13/Fsz2fv0LTPfvM6MVgdN9w+TCG9Itfzsy8/Xvnm3ZesFzgrxX z8rVhwNp09NQNrxIpFaXO2uBwefMOJOD/r6k201R4pdq9sdj8LW4vBuE2X0HlfNhzIgXtFJVqcT eK67rgVPgN525AmZSDlrpZ2UgV/eS1x+eOID2gFVIOSHptb5tx5qCl1R34jDPtxF8SAx8/RmOx7 X7h9Du63wAGFxWrqclKSiRRLHTYarlRxm3A2wKuhRFJJyf5BJe3QfwsVk0UbtuRXh7bFKB7j4Mm vPrGH5K+6DJezH7jeu8YBKVTOFKeAwhFEZZKPcO66XHIc5w+gc= X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--13.241300-8.000000 X-TMASE-Version: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-SNTS-SMTP: 00459956C72CDF8663DBAED2D777653D33981E0D0B403A95CF843A006A2041D42000:8 X-MTK: N X-Spam-Status: No, score=-0.8 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on agentk.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (agentk.vger.email [0.0.0.0]); Mon, 16 Oct 2023 23:48:10 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1779984280751974821 X-GMAIL-MSGID: 1779984280751974821 Support alpha blending by adding correct blend mode and alpha property in plane initialization. Signed-off-by: Hsiao Chien Sung --- drivers/gpu/drm/mediatek/mtk_drm_drv.c | 10 ++++++++++ drivers/gpu/drm/mediatek/mtk_drm_drv.h | 2 ++ drivers/gpu/drm/mediatek/mtk_drm_plane.c | 11 +++++++++++ 3 files changed, 23 insertions(+) diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c index a4b740420ebb..0467e80444d3 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c @@ -14,6 +14,7 @@ #include #include +#include #include #include #include @@ -305,6 +306,9 @@ static const struct mtk_mmsys_driver_data mt8188_vdosys0_driver_data = { .conn_routes_num = ARRAY_SIZE(mt8188_mtk_ddp_main_routes), .mmsys_dev_num = 2, .max_pitch = GENMASK(15, 0), + .blend_mode = BIT(DRM_MODE_BLEND_PIXEL_NONE) | + BIT(DRM_MODE_BLEND_PREMULTI) | + BIT(DRM_MODE_BLEND_COVERAGE), }; static const struct mtk_mmsys_driver_data mt8192_mmsys_driver_data = { @@ -320,6 +324,9 @@ static const struct mtk_mmsys_driver_data mt8195_vdosys0_driver_data = { .main_len = ARRAY_SIZE(mt8195_mtk_ddp_main), .mmsys_dev_num = 2, .max_pitch = GENMASK(15, 0), + .blend_mode = BIT(DRM_MODE_BLEND_PIXEL_NONE) | + BIT(DRM_MODE_BLEND_PREMULTI) | + BIT(DRM_MODE_BLEND_COVERAGE), }; static const struct mtk_mmsys_driver_data mt8195_vdosys1_driver_data = { @@ -328,6 +335,9 @@ static const struct mtk_mmsys_driver_data mt8195_vdosys1_driver_data = { .mmsys_id = 1, .mmsys_dev_num = 2, .max_pitch = GENMASK(15, 0), + .blend_mode = BIT(DRM_MODE_BLEND_PIXEL_NONE) | + BIT(DRM_MODE_BLEND_PREMULTI) | + BIT(DRM_MODE_BLEND_COVERAGE), }; static const struct of_device_id mtk_drm_of_ids[] = { diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.h b/drivers/gpu/drm/mediatek/mtk_drm_drv.h index 833ecee855bb..27865f8f1160 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.h +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.h @@ -42,6 +42,7 @@ struct mtk_drm_route { * @mmsys_id: multi-media system ID * @mmsys_dev_num: number of devices for in the mmsys as a whole * @max_pitch: maximum pitch in bytes that the mmsys supports + * @blend_mode: alpha blend modes that the mmsys supports */ struct mtk_mmsys_driver_data { const unsigned int *main_path; @@ -58,6 +59,7 @@ struct mtk_mmsys_driver_data { unsigned int mmsys_dev_num; u32 max_pitch; + u32 blend_mode; }; struct mtk_drm_private { diff --git a/drivers/gpu/drm/mediatek/mtk_drm_plane.c b/drivers/gpu/drm/mediatek/mtk_drm_plane.c index 9208f03b3f8c..a6cf1ab94e42 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_plane.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_plane.c @@ -327,6 +327,7 @@ int mtk_plane_init(struct drm_device *dev, struct drm_plane *plane, size_t num_formats) { int err; + struct mtk_drm_private *priv = dev->dev_private; if (!formats || !num_formats) { DRM_ERROR("no formats for plane\n"); @@ -349,6 +350,16 @@ int mtk_plane_init(struct drm_device *dev, struct drm_plane *plane, DRM_INFO("Create rotation property failed\n"); } + err = drm_plane_create_alpha_property(plane); + if (err) + DRM_ERROR("failed to create property: alpha\n"); + + if (priv->data->blend_mode) { + err = drm_plane_create_blend_mode_property(plane, priv->data->blend_mode); + if (err) + DRM_ERROR("failed to create property: blend_mode\n"); + } + drm_plane_helper_add(plane, &mtk_plane_helper_funcs); return 0;