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Lin" , "Jason-JH . Lin" , Hsiao Chien Sung Subject: [RESEND PATCH v6 15/20] drm/mediatek: Manage component's clock with function pointers Date: Mon, 11 Sep 2023 15:42:28 +0800 Message-ID: <20230911074233.31556-16-shawn.sung@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20230911074233.31556-1-shawn.sung@mediatek.com> References: <20230911074233.31556-1-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--4.356300-8.000000 X-TMASE-MatchedRID: g7nni+nG95Ab7D0aLEL5Ob2xWbKjBfWP1UmdGU7dMlUIgSDinsA6bPDR cRAxsuj73lSO+pJ4e/aZdGqzigSjzOn2wHlv5vGuh2VzUlo4HVN51GakW92m5na2ZEC0WTlXMG4 kjAsJeaBdb8mglGT2afH3pT9Q6mGUNyl1nd9CIt0URSScn+QSXt0H8LFZNFG7CKFCmhdu5cXA0G lfD981K45m1U5VkLWQl/929ovNjhbdPeLZjorYa9dLSKJmsGVObjB/1RxQ+W4Q7sG6Pez9I8g3I 8z77TH65IBwTcHkpp4XRoPmWO3jekxwdkPqCq7vDEyN+J8hd+jCS9WgDXVPCp6oP1a0mRIj X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--4.356300-8.000000 X-TMASE-Version: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-SNTS-SMTP: B11AF5F99EF1B64FF17CEE2D48E1B74424C83C02AD3C362FC900CB83E7E21E8C2000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230911_004330_488220_A2A269D5 X-CRM114-Status: GOOD ( 16.41 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org By registering component related functions to the pointers, we can easily manage them within a for-loop and simplify the logic of clock control significantly. Signed-off-by: Hsiao Chien Sung Reviewed-by: CK Hu --- .../gpu/drm/mediatek/mtk_disp_ovl_adaptor.c | 111 +++++++----------- 1 file changed, 44 insertions(+), 67 deletions(-) -- 2.18.0 diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c index 8a52d1301e04..84133303a6ec 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c @@ -54,6 +54,7 @@ struct ovl_adaptor_comp_match { enum mtk_ovl_adaptor_comp_type type; enum mtk_ddp_comp_id comp_id; int alias_id; + const struct mtk_ddp_comp_funcs *funcs; }; struct mtk_disp_ovl_adaptor { @@ -68,20 +69,35 @@ static const char * const private_comp_stem[OVL_ADAPTOR_TYPE_NUM] = { [OVL_ADAPTOR_TYPE_MERGE] = "merge", }; +static const struct mtk_ddp_comp_funcs _ethdr = { + .clk_enable = mtk_ethdr_clk_enable, + .clk_disable = mtk_ethdr_clk_disable, +}; + +static const struct mtk_ddp_comp_funcs _merge = { + .clk_enable = mtk_merge_clk_enable, + .clk_disable = mtk_merge_clk_disable, +}; + +static const struct mtk_ddp_comp_funcs _rdma = { + .clk_enable = mtk_mdp_rdma_clk_enable, + .clk_disable = mtk_mdp_rdma_clk_disable, +}; + static const struct ovl_adaptor_comp_match comp_matches[OVL_ADAPTOR_ID_MAX] = { - [OVL_ADAPTOR_ETHDR0] = { OVL_ADAPTOR_TYPE_ETHDR, DDP_COMPONENT_ETHDR_MIXER, 0 }, - [OVL_ADAPTOR_MDP_RDMA0] = { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MDP_RDMA0, 0 }, - [OVL_ADAPTOR_MDP_RDMA1] = { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MDP_RDMA1, 1 }, - [OVL_ADAPTOR_MDP_RDMA2] = { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MDP_RDMA2, 2 }, - [OVL_ADAPTOR_MDP_RDMA3] = { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MDP_RDMA3, 3 }, - [OVL_ADAPTOR_MDP_RDMA4] = { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MDP_RDMA4, 4 }, - [OVL_ADAPTOR_MDP_RDMA5] = { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MDP_RDMA5, 5 }, - [OVL_ADAPTOR_MDP_RDMA6] = { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MDP_RDMA6, 6 }, - [OVL_ADAPTOR_MDP_RDMA7] = { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MDP_RDMA7, 7 }, - [OVL_ADAPTOR_MERGE0] = { OVL_ADAPTOR_TYPE_MERGE, DDP_COMPONENT_MERGE1, 1 }, - [OVL_ADAPTOR_MERGE1] = { OVL_ADAPTOR_TYPE_MERGE, DDP_COMPONENT_MERGE2, 2 }, - [OVL_ADAPTOR_MERGE2] = { OVL_ADAPTOR_TYPE_MERGE, DDP_COMPONENT_MERGE3, 3 }, - [OVL_ADAPTOR_MERGE3] = { OVL_ADAPTOR_TYPE_MERGE, DDP_COMPONENT_MERGE4, 4 }, + [OVL_ADAPTOR_ETHDR0] = { OVL_ADAPTOR_TYPE_ETHDR, DDP_COMPONENT_ETHDR_MIXER, 0, &_ethdr }, + [OVL_ADAPTOR_MDP_RDMA0] = { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MDP_RDMA0, 0, &_rdma }, + [OVL_ADAPTOR_MDP_RDMA1] = { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MDP_RDMA1, 1, &_rdma }, + [OVL_ADAPTOR_MDP_RDMA2] = { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MDP_RDMA2, 2, &_rdma }, + [OVL_ADAPTOR_MDP_RDMA3] = { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MDP_RDMA3, 3, &_rdma }, + [OVL_ADAPTOR_MDP_RDMA4] = { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MDP_RDMA4, 4, &_rdma }, + [OVL_ADAPTOR_MDP_RDMA5] = { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MDP_RDMA5, 5, &_rdma }, + [OVL_ADAPTOR_MDP_RDMA6] = { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MDP_RDMA6, 6, &_rdma }, + [OVL_ADAPTOR_MDP_RDMA7] = { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MDP_RDMA7, 7, &_rdma }, + [OVL_ADAPTOR_MERGE0] = { OVL_ADAPTOR_TYPE_MERGE, DDP_COMPONENT_MERGE1, 1, &_merge }, + [OVL_ADAPTOR_MERGE1] = { OVL_ADAPTOR_TYPE_MERGE, DDP_COMPONENT_MERGE2, 2, &_merge }, + [OVL_ADAPTOR_MERGE2] = { OVL_ADAPTOR_TYPE_MERGE, DDP_COMPONENT_MERGE3, 3, &_merge }, + [OVL_ADAPTOR_MERGE3] = { OVL_ADAPTOR_TYPE_MERGE, DDP_COMPONENT_MERGE4, 4, &_merge }, }; void mtk_ovl_adaptor_layer_config(struct device *dev, unsigned int idx, @@ -187,73 +203,34 @@ void mtk_ovl_adaptor_stop(struct device *dev) int mtk_ovl_adaptor_clk_enable(struct device *dev) { - struct mtk_disp_ovl_adaptor *ovl_adaptor = dev_get_drvdata(dev); - struct device *comp; - int ret; int i; - - for (i = 0; i < OVL_ADAPTOR_MERGE0; i++) { - comp = ovl_adaptor->ovl_adaptor_comp[i]; - ret = pm_runtime_get_sync(comp); - if (ret < 0) { - dev_err(dev, "Failed to enable power domain %d, err %d\n", i, ret); - goto pwr_err; - } - } + int ret; + struct mtk_disp_ovl_adaptor *ovl_adaptor = dev_get_drvdata(dev); for (i = 0; i < OVL_ADAPTOR_ID_MAX; i++) { - comp = ovl_adaptor->ovl_adaptor_comp[i]; - - if (i < OVL_ADAPTOR_MERGE0) - ret = mtk_mdp_rdma_clk_enable(comp); - else if (i < OVL_ADAPTOR_ETHDR0) - ret = mtk_merge_clk_enable(comp); - else - ret = mtk_ethdr_clk_enable(comp); + dev = ovl_adaptor->ovl_adaptor_comp[i]; + if (!dev) + continue; + ret = comp_matches[i].funcs->clk_enable(dev); if (ret) { - dev_err(dev, "Failed to enable clock %d, err %d\n", i, ret); - goto clk_err; + while (--i >= 0) + comp_matches[i].funcs->clk_disable(dev); + return ret; } } - - return ret; - -clk_err: - while (--i >= 0) { - comp = ovl_adaptor->ovl_adaptor_comp[i]; - if (i < OVL_ADAPTOR_MERGE0) - mtk_mdp_rdma_clk_disable(comp); - else if (i < OVL_ADAPTOR_ETHDR0) - mtk_merge_clk_disable(comp); - else - mtk_ethdr_clk_disable(comp); - } - i = OVL_ADAPTOR_MERGE0; - -pwr_err: - while (--i >= 0) - pm_runtime_put(ovl_adaptor->ovl_adaptor_comp[i]); - - return ret; + return 0; } void mtk_ovl_adaptor_clk_disable(struct device *dev) { - struct mtk_disp_ovl_adaptor *ovl_adaptor = dev_get_drvdata(dev); - struct device *comp; int i; + struct mtk_disp_ovl_adaptor *ovl_adaptor = dev_get_drvdata(dev); for (i = 0; i < OVL_ADAPTOR_ID_MAX; i++) { - comp = ovl_adaptor->ovl_adaptor_comp[i]; - - if (i < OVL_ADAPTOR_MERGE0) { - mtk_mdp_rdma_clk_disable(comp); - pm_runtime_put(comp); - } else if (i < OVL_ADAPTOR_ETHDR0) { - mtk_merge_clk_disable(comp); - } else { - mtk_ethdr_clk_disable(comp); - } + dev = ovl_adaptor->ovl_adaptor_comp[i]; + if (!dev) + continue; + comp_matches[i].funcs->clk_disable(dev); } }