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Lin" , xinlei lee , , , , , Subject: [PATCH v12 15/23] drm/mediatek: Start/Stop components with function pointers Date: Thu, 14 Dec 2023 13:58:39 +0800 Message-ID: <20231214055847.4936-16-shawn.sung@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20231214055847.4936-1-shawn.sung@mediatek.com> References: <20231214055847.4936-1-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--1.542100-8.000000 X-TMASE-MatchedRID: aEd/qsqbLK4b7D0aLEL5Ob2xWbKjBfWPkos2tunL8DT/evmlVf9xZkN+ V6ZFLcNdXQfL6gqs5OQd5e75RGwObaK176S49UNHkDpLRKO9xhSZ2scyRQcer19eTSR8I6dudjd NwycGaR/v5TZdm2T2Kr1Odlcux5HWHxPMjOKY7A8LbigRnpKlKZvjAepGmdoOsRunbcic21kj5J 4TaJJuPa2i+dnS6f5T20mnMsmkbaLJzkAlfa4X5MFCRr0IKekVKIYKIq6+TbixUcgMLkVKCwwI0 +X/rE7HSZrfNhP3sgUBh9AgBSEFrJm+YJspVvj2xkvrHlT8euJ0YHKn7N1oOA== X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--1.542100-8.000000 X-TMASE-Version: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-SNTS-SMTP: 39A1D386ECE4448F1E4203CDECE5BBB47864444C603CE240FAD4FB491F2338602000:8 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" By registering component related functions to the pointers, we can easily manage them within a for-loop and simplify the logic of component start/stop process. Reviewed-by: CK Hu Reviewed-by: AngeloGioacchino Del Regno Signed-off-by: Hsiao Chien Sung --- .../gpu/drm/mediatek/mtk_disp_ovl_adaptor.c | 20 +++++++++++++++++-- 1 file changed, 18 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c b/drivers/gpu/= drm/mediatek/mtk_disp_ovl_adaptor.c index e00d8a395ca0..65c5153bdcd8 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c @@ -72,6 +72,8 @@ static const char * const private_comp_stem[OVL_ADAPTOR_T= YPE_NUM] =3D { static const struct mtk_ddp_comp_funcs ethdr =3D { .clk_enable =3D mtk_ethdr_clk_enable, .clk_disable =3D mtk_ethdr_clk_disable, + .start =3D mtk_ethdr_start, + .stop =3D mtk_ethdr_stop, }; =20 static const struct mtk_ddp_comp_funcs merge =3D { @@ -191,16 +193,30 @@ void mtk_ovl_adaptor_config(struct device *dev, unsig= ned int w, =20 void mtk_ovl_adaptor_start(struct device *dev) { + int i; struct mtk_disp_ovl_adaptor *ovl_adaptor =3D dev_get_drvdata(dev); =20 - mtk_ethdr_start(ovl_adaptor->ovl_adaptor_comp[OVL_ADAPTOR_ETHDR0]); + for (i =3D 0; i < OVL_ADAPTOR_ID_MAX; i++) { + if (!ovl_adaptor->ovl_adaptor_comp[i] || + !comp_matches[i].funcs->start) + continue; + + comp_matches[i].funcs->start(ovl_adaptor->ovl_adaptor_comp[i]); + } } =20 void mtk_ovl_adaptor_stop(struct device *dev) { + int i; struct mtk_disp_ovl_adaptor *ovl_adaptor =3D dev_get_drvdata(dev); =20 - mtk_ethdr_stop(ovl_adaptor->ovl_adaptor_comp[OVL_ADAPTOR_ETHDR0]); + for (i =3D 0; i < OVL_ADAPTOR_ID_MAX; i++) { + if (!ovl_adaptor->ovl_adaptor_comp[i] || + !comp_matches[i].funcs->stop) + continue; + + comp_matches[i].funcs->stop(ovl_adaptor->ovl_adaptor_comp[i]); + } } =20 /** --=20 2.18.0