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Wed, 27 Jan 2021 23:28:19 -0800 (PST) From: Hsin-Yi Wang To: CK Hu , Philipp Zabel , Matthias Brugger Subject: [PATCH v11 4/9] drm/mediatek: add mtk_dither_set_common() function Date: Thu, 28 Jan 2021 15:27:57 +0800 Message-Id: <20210128072802.830971-5-hsinyi@chromium.org> X-Mailer: git-send-email 2.30.0.280.ga3ce27912f-goog In-Reply-To: <20210128072802.830971-1-hsinyi@chromium.org> References: <20210128072802.830971-1-hsinyi@chromium.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210128_022822_541790_A7B8C351 X-CRM114-Status: GOOD ( 14.20 ) 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, linux-mediatek@lists.infradead.org, Daniel Vetter , linux-arm-kernel@lists.infradead.org Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Current implementation of mtk_dither_set() cast dev data to struct mtk_ddp_comp_dev. But other devices with different dev data would also call this function. Separate necessary parameters out so other device components (dither, gamma) can call this function. Signed-off-by: Hsin-Yi Wang Reviewed-by: CK Hu --- drivers/gpu/drm/mediatek/mtk_disp_drv.h | 4 ++++ drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 25 +++++++++++++-------- 2 files changed, 20 insertions(+), 9 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_disp_drv.h b/drivers/gpu/drm/mediatek/mtk_disp_drv.h index 46d199b7b4a29..c50d5fc9fd349 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_drv.h +++ b/drivers/gpu/drm/mediatek/mtk_disp_drv.h @@ -17,6 +17,10 @@ void mtk_color_config(struct device *dev, unsigned int w, unsigned int bpc, struct cmdq_pkt *cmdq_pkt); void mtk_color_start(struct device *dev); +void mtk_dither_set_common(void __iomem *regs, struct cmdq_client_reg *cmdq_reg, + unsigned int bpc, unsigned int CFG, + struct cmdq_pkt *cmdq_pkt); + void mtk_dpi_start(struct device *dev); void mtk_dpi_stop(struct device *dev); diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c index 7b5293429426d..53d25823a37cc 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c @@ -151,33 +151,40 @@ static void mtk_ddp_clk_disable(struct device *dev) clk_disable_unprepare(priv->clk); } -static void mtk_dither_set(struct device *dev, unsigned int bpc, - unsigned int CFG, struct cmdq_pkt *cmdq_pkt) -{ - struct mtk_ddp_comp_dev *priv = dev_get_drvdata(dev); +void mtk_dither_set_common(void __iomem *regs, struct cmdq_client_reg *cmdq_reg, + unsigned int bpc, unsigned int CFG, struct cmdq_pkt *cmdq_pkt) +{ /* If bpc equal to 0, the dithering function didn't be enabled */ if (bpc == 0) return; if (bpc >= MTK_MIN_BPC) { - mtk_ddp_write(cmdq_pkt, 0, &priv->cmdq_reg, priv->regs, DISP_DITHER_5); - mtk_ddp_write(cmdq_pkt, 0, &priv->cmdq_reg, priv->regs, DISP_DITHER_7); + mtk_ddp_write(cmdq_pkt, 0, cmdq_reg, regs, DISP_DITHER_5); + mtk_ddp_write(cmdq_pkt, 0, cmdq_reg, regs, DISP_DITHER_7); mtk_ddp_write(cmdq_pkt, DITHER_LSB_ERR_SHIFT_R(MTK_MAX_BPC - bpc) | DITHER_ADD_LSHIFT_R(MTK_MAX_BPC - bpc) | DITHER_NEW_BIT_MODE, - &priv->cmdq_reg, priv->regs, DISP_DITHER_15); + cmdq_reg, regs, DISP_DITHER_15); mtk_ddp_write(cmdq_pkt, DITHER_LSB_ERR_SHIFT_B(MTK_MAX_BPC - bpc) | DITHER_ADD_LSHIFT_B(MTK_MAX_BPC - bpc) | DITHER_LSB_ERR_SHIFT_G(MTK_MAX_BPC - bpc) | DITHER_ADD_LSHIFT_G(MTK_MAX_BPC - bpc), - &priv->cmdq_reg, priv->regs, DISP_DITHER_16); - mtk_ddp_write(cmdq_pkt, DISP_DITHERING, &priv->cmdq_reg, priv->regs, CFG); + cmdq_reg, regs, DISP_DITHER_16); + mtk_ddp_write(cmdq_pkt, DISP_DITHERING, cmdq_reg, regs, CFG); } } +static void mtk_dither_set(struct device *dev, unsigned int bpc, + unsigned int CFG, struct cmdq_pkt *cmdq_pkt) +{ + struct mtk_ddp_comp_dev *priv = dev_get_drvdata(dev); + + mtk_dither_set_common(priv->regs, &priv->cmdq_reg, bpc, CFG, cmdq_pkt); +} + static void mtk_od_config(struct device *dev, unsigned int w, unsigned int h, unsigned int vrefresh, unsigned int bpc, struct cmdq_pkt *cmdq_pkt)