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Lin" , "Hsiao Chien Sung" Subject: [PATCH v7 16/23] drm/mediatek: Start/Stop components with function pointers Date: Fri, 6 Oct 2023 15:38:24 +0800 Message-ID: <20231006073831.10402-17-shawn.sung@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20231006073831.10402-1-shawn.sung@mediatek.com> References: <20231006073831.10402-1-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--2.509900-8.000000 X-TMASE-MatchedRID: Fx2QhdRtN3gb7D0aLEL5Ob2xWbKjBfWPeL05i8GXPoAIgSDinsA6bPDR cRAxsuj7tVKtZME67h5q7k1NHAqvKwTsy5Ctk/ajDko+EYiDQxG5+1figft3LiS30GKAkBxWWP6 BnnaU6Kji8zVgXoAltsIJ+4gwXrEtWBd6ltyXuvvKw7XAQdv9BdKzeQAXIybU6E0yODFYJFy4bZ xtB062qtgeYH8o1G69vf6/7twa2RV8jBBK0biDbsGfImu98AUW6afx0vH21weAhOcaQrQ0U1GyR coeF18qmKP0zzpTAeGwod8xOMKmvMCBO+zxAW5pftwZ3X11IV0= X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--2.509900-8.000000 X-TMASE-Version: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-SNTS-SMTP: DC877514C351E19A7940FACFA601F280EF15F2FA89800BFEC41F9C543200F95E2000:8 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. Signed-off-by: Hsiao Chien Sung Reviewed-by: CK Hu --- .../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 84133303a6ec..812a1df9732f 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 { @@ -189,16 +191,30 @@ 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 int mtk_ovl_adaptor_clk_enable(struct device *dev) --=20 2.18.0