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Wed, 06 Jan 2021 19:11:35 -0800 Received: from mtkmbs05n2.mediatek.inc (172.21.101.140) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 6 Jan 2021 19:11:33 -0800 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkmbs05n2.mediatek.inc (172.21.101.140) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 7 Jan 2021 11:11:31 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas11.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Thu, 7 Jan 2021 11:11:31 +0800 From: Yongqiang Niu To: CK Hu , Philipp Zabel , "Rob Herring" , Matthias Brugger Subject: [PATCH v9, 08/11] drm/mediatek: add has_dither private data for gamma Date: Thu, 7 Jan 2021 11:11:18 +0800 Message-ID: <1609989081-29353-9-git-send-email-yongqiang.niu@mediatek.com> X-Mailer: git-send-email 1.8.1.1.dirty In-Reply-To: <1609989081-29353-1-git-send-email-yongqiang.niu@mediatek.com> References: <1609989081-29353-1-git-send-email-yongqiang.niu@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210106_221138_188079_D0AA1A85 X-CRM114-Status: GOOD ( 13.38 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, Yongqiang Niu , David Airlie , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Project_Global_Chrome_Upstream_Group@mediatek.com, linux-mediatek@lists.infradead.org, Daniel Vetter , Hsin-Yi Wang , linux-arm-kernel@lists.infradead.org Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org not all SoC has dither function in gamma module dd private data to control this function setting Signed-off-by: Yongqiang Niu --- drivers/gpu/drm/mediatek/mtk_disp_gamma.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_disp_gamma.c b/drivers/gpu/drm/mediatek/mtk_disp_gamma.c index 8501821..4eab82a 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_gamma.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_gamma.c @@ -24,7 +24,7 @@ #define LUT_10BIT_MASK 0x03ff struct mtk_disp_gamma_data { - u32 reserved; + bool has_dither; }; /** @@ -72,7 +72,8 @@ static void mtk_gamma_config(struct mtk_ddp_comp *comp, unsigned int w, mtk_ddp_write(cmdq_pkt, h << 16 | w, comp, DISP_GAMMA_SIZE); - mtk_dither_set(comp, bpc, DISP_GAMMA_CFG, cmdq_pkt); + if (gamma->data && gamma->data->has_dither) + mtk_dither_set(comp, bpc, DISP_GAMMA_CFG, cmdq_pkt); } static void mtk_gamma_start(struct mtk_ddp_comp *comp) @@ -168,8 +169,13 @@ static int mtk_disp_gamma_remove(struct platform_device *pdev) return 0; } +static const struct mtk_disp_gamma_data mt8173_gamma_driver_data = { + .has_dither = true, +}; + static const struct of_device_id mtk_disp_gamma_driver_dt_match[] = { - { .compatible = "mediatek,mt8173-disp-gamma"}, + { .compatible = "mediatek,mt8173-disp-gamma", + .data = &mt8173_gamma_driver_data}, {}, }; MODULE_DEVICE_TABLE(of, mtk_disp_gamma_driver_dt_match);