From patchwork Wed Oct 26 02:37:02 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rongrong Zou X-Patchwork-Id: 9398795 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 3BABF60234 for ; Thu, 27 Oct 2016 00:56:00 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0433129E60 for ; Thu, 27 Oct 2016 00:56:00 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id ECF4B29E62; Thu, 27 Oct 2016 00:55:59 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.1 required=2.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED, FREEMAIL_FROM, RCVD_IN_DNSWL_MED, T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 082F129E60 for ; Thu, 27 Oct 2016 00:55:59 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id C69FC6E98D; Thu, 27 Oct 2016 00:55:14 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail-yw0-x241.google.com (mail-yw0-x241.google.com [IPv6:2607:f8b0:4002:c05::241]) by gabe.freedesktop.org (Postfix) with ESMTPS id 15F886E7AC for ; Wed, 26 Oct 2016 02:38:34 +0000 (UTC) Received: by mail-yw0-x241.google.com with SMTP id h14so1172304ywa.2 for ; Tue, 25 Oct 2016 19:38:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=7Oio4J1ew7qsaxBBkyqnBaR1LVLNN4qoY/7LAjKjeXE=; b=CCVtMuaV14a9X99Qa35ElktRXyVYZzaHRHAfT0prwMIIGBeCpX11cHjy+c7Weatf8k Kfqj2HPQkAc/E6WynXMiM+zXjJNz/Xqyp6T73MQ//C5QZg0lRll5B2YybkHUDMxx3usg iez7/MQhLpN1C5qic27c6zyf+Ldnb3AeyAosl1jxT5MUEL3BfjJ19JhvSsqlCJU/SHmG r9KtGsjo3KFNGbDaHlNleFLtLlKmpTDocqKybKrFbgaKmxJp+PBBZ726Ycj4sPVB0+ys DksPqVM8XbaP7h7WkMimeNHHJaAdy00g3E8IP7ma4lI+TBuqqU3lVgt0JCm5dJNrgPab OpAg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=7Oio4J1ew7qsaxBBkyqnBaR1LVLNN4qoY/7LAjKjeXE=; b=UNZJ5MFhfL49c/kw9uL+0Rb0yw2cKRsNYlAXi39mCwTeoezFogUGrN103Az0TaoXXN UcB1hkvo42bPGc8mdzp0DZ6JPNEzeZjtYEOtNe2Db6FwxTiYC7EQXhIRALsAx941BIRl /GYOUzzAxdCMAkjsHn8pQVOdjQJuYR/ybFB40c7AJkSn+Qbx0Phr/A2hr2l7ONp6Uknn fom/D9mRiiykzxdDpFMXIQcRaM3NByNw/G4+gZkqLAqyFDVc6vVVraPB5OR21jlegxR/ WiWIkpiATt17meJzvmoJP1Iy7bQsbpeyNGBFOOuzr23aTWcqXpR9MnYBx4zTJMoMeP8q FStw== X-Gm-Message-State: ABUngvdhPKefv0kx3LRmT9QaxqSy1KF9bYtNKEMfqWG689ZMAtjg7+LRkbbhwZp61jp+Og== X-Received: by 10.13.208.70 with SMTP id s67mr23298828ywd.88.1477449513129; Tue, 25 Oct 2016 19:38:33 -0700 (PDT) Received: from localhost.localdomain ([119.145.15.121]) by smtp.gmail.com with ESMTPSA id g65sm8759088ywb.43.2016.10.25.19.38.26 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 25 Oct 2016 19:38:32 -0700 (PDT) From: Rongrong Zou To: airlied@linux.ie, daniel@ffwll.ch, dri-devel@lists.freedesktop.org, emil.l.velikov@gmail.com, tomeu.vizoso@collabora.com, benjamin.gaignard@linaro.org, robh@kernel.org, daniel@fooishbar.org, architt@codeaurora.org, corbet@lwn.net, catalin.marinas@arm.com, will.deacon@arm.com, mark.rutland@arm.com, xinliang.liu@linaro.org Subject: [PATCH v5 5/9] drm/hisilicon/hibmc: Add crtc for DE Date: Wed, 26 Oct 2016 10:37:02 +0800 Message-Id: <1477449426-69018-6-git-send-email-zourongrong@gmail.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1477449426-69018-1-git-send-email-zourongrong@gmail.com> References: <1477449426-69018-1-git-send-email-zourongrong@gmail.com> X-Mailman-Approved-At: Thu, 27 Oct 2016 00:55:07 +0000 Cc: linuxarm@huawei.com, james.xiong@huawei.com, shenhui@huawei.com, guohanjun@huawei.com, lijianhua@huawei.com, linux-arm-kernel@lists.infradead.org X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP Add crtc funcs and helper funcs for DE. Signed-off-by: Rongrong Zou --- drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c | 318 ++++++++++++++++++++++++ drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c | 6 + drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h | 2 + 3 files changed, 326 insertions(+) diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c index 9c1a68c..9b5d0d0 100644 --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c @@ -23,6 +23,7 @@ #include "hibmc_drm_drv.h" #include "hibmc_drm_regs.h" +#include "hibmc_drm_de.h" #include "hibmc_drm_power.h" /* ---------------------------------------------------------------------- */ @@ -168,3 +169,320 @@ int hibmc_plane_init(struct hibmc_drm_device *hidev) drm_plane_helper_add(plane, &hibmc_plane_helper_funcs); return 0; } + +static void hibmc_crtc_enable(struct drm_crtc *crtc) +{ + unsigned int reg; + /* power mode 0 is default. */ + struct hibmc_drm_device *hidev = crtc->dev->dev_private; + + hibmc_set_power_mode(hidev, HIBMC_PW_MODE_CTL_MODE_MODE0); + + /* Enable display power gate & LOCALMEM power gate*/ + reg = readl(hidev->mmio + HIBMC_CURRENT_GATE); + reg &= ~HIBMC_CURR_GATE_LOCALMEM_MASK; + reg &= ~HIBMC_CURR_GATE_DISPLAY_MASK; + reg |= HIBMC_CURR_GATE_LOCALMEM(ON); + reg |= HIBMC_CURR_GATE_DISPLAY(ON); + hibmc_set_current_gate(hidev, reg); + drm_crtc_vblank_on(crtc); +} + +static void hibmc_crtc_disable(struct drm_crtc *crtc) +{ + unsigned int reg; + struct hibmc_drm_device *hidev = crtc->dev->dev_private; + + drm_crtc_vblank_off(crtc); + + hibmc_set_power_mode(hidev, HIBMC_PW_MODE_CTL_MODE_SLEEP); + + /* Enable display power gate & LOCALMEM power gate*/ + reg = readl(hidev->mmio + HIBMC_CURRENT_GATE); + reg &= ~HIBMC_CURR_GATE_LOCALMEM_MASK; + reg &= ~HIBMC_CURR_GATE_DISPLAY_MASK; + reg |= HIBMC_CURR_GATE_LOCALMEM(OFF); + reg |= HIBMC_CURR_GATE_DISPLAY(OFF); + hibmc_set_current_gate(hidev, reg); +} + +static int hibmc_crtc_atomic_check(struct drm_crtc *crtc, + struct drm_crtc_state *state) +{ + return 0; +} + +static unsigned int format_pll_reg(void) +{ + unsigned int pllreg = 0; + struct panel_pll pll = {0}; + + /* Note that all PLL's have the same format. Here, + * we just use Panel PLL parameter to work out the bit + * fields in the register.On returning a 32 bit number, the value can + * be applied to any PLL in the calling function. + */ + pllreg |= HIBMC_PLL_CTRL_BYPASS(OFF) & HIBMC_PLL_CTRL_BYPASS_MASK; + pllreg |= HIBMC_PLL_CTRL_POWER(ON) & HIBMC_PLL_CTRL_POWER_MASK; + pllreg |= HIBMC_PLL_CTRL_INPUT(OSC) & HIBMC_PLL_CTRL_INPUT_MASK; + pllreg |= HIBMC_PLL_CTRL_POD(pll.POD) & HIBMC_PLL_CTRL_POD_MASK; + pllreg |= HIBMC_PLL_CTRL_OD(pll.OD) & HIBMC_PLL_CTRL_OD_MASK; + pllreg |= HIBMC_PLL_CTRL_N(pll.N) & HIBMC_PLL_CTRL_N_MASK; + pllreg |= HIBMC_PLL_CTRL_M(pll.M) & HIBMC_PLL_CTRL_M_MASK; + + return pllreg; +} + +static void set_vclock_hisilicon(struct drm_device *dev, unsigned long pll) +{ + unsigned long tmp0, tmp1; + struct hibmc_drm_device *hidev = dev->dev_private; + + /* 1. outer_bypass_n=0 */ + tmp0 = readl(hidev->mmio + CRT_PLL1_HS); + tmp0 &= 0xBFFFFFFF; + writel(tmp0, hidev->mmio + CRT_PLL1_HS); + + /* 2. pll_pd=1?inter_bypass=1 */ + writel(0x21000000, hidev->mmio + CRT_PLL1_HS); + + /* 3. config pll */ + writel(pll, hidev->mmio + CRT_PLL1_HS); + + /* 4. delay */ + mdelay(1); + + /* 5. pll_pd =0 */ + tmp1 = pll & ~0x01000000; + writel(tmp1, hidev->mmio + CRT_PLL1_HS); + + /* 6. delay */ + mdelay(1); + + /* 7. inter_bypass=0 */ + tmp1 &= ~0x20000000; + writel(tmp1, hidev->mmio + CRT_PLL1_HS); + + /* 8. delay */ + mdelay(1); + + /* 9. outer_bypass_n=1 */ + tmp1 |= 0x40000000; + writel(tmp1, hidev->mmio + CRT_PLL1_HS); +} + +/* This function takes care the extra registers and bit fields required to + *setup a mode in board. + *Explanation about Display Control register: + *FPGA only supports 7 predefined pixel clocks, and clock select is + *in bit 4:0 of new register 0x802a8. + */ +static unsigned int display_ctrl_adjust(struct drm_device *dev, + struct drm_display_mode *mode, + unsigned int ctrl) +{ + unsigned long x, y; + unsigned long pll1; /* bit[31:0] of PLL */ + unsigned long pll2; /* bit[63:32] of PLL */ + struct hibmc_drm_device *hidev = dev->dev_private; + + x = mode->hdisplay; + y = mode->vdisplay; + + /* Hisilicon has to set up a new register for PLL control + *(CRT_PLL1_HS & CRT_PLL2_HS). + */ + if (x == 800 && y == 600) { + pll1 = CRT_PLL1_HS_40MHZ; + pll2 = CRT_PLL2_HS_40MHZ; + } else if (x == 1024 && y == 768) { + pll1 = CRT_PLL1_HS_65MHZ; + pll2 = CRT_PLL2_HS_65MHZ; + } else if (x == 1152 && y == 864) { + pll1 = CRT_PLL1_HS_80MHZ_1152; + pll2 = CRT_PLL2_HS_80MHZ; + } else if (x == 1280 && y == 768) { + pll1 = CRT_PLL1_HS_80MHZ; + pll2 = CRT_PLL2_HS_80MHZ; + } else if (x == 1280 && y == 720) { + pll1 = CRT_PLL1_HS_74MHZ; + pll2 = CRT_PLL2_HS_74MHZ; + } else if (x == 1280 && y == 960) { + pll1 = CRT_PLL1_HS_108MHZ; + pll2 = CRT_PLL2_HS_108MHZ; + } else if (x == 1280 && y == 1024) { + pll1 = CRT_PLL1_HS_108MHZ; + pll2 = CRT_PLL2_HS_108MHZ; + } else if (x == 1600 && y == 1200) { + pll1 = CRT_PLL1_HS_162MHZ; + pll2 = CRT_PLL2_HS_162MHZ; + } else if (x == 1920 && y == 1080) { + pll1 = CRT_PLL1_HS_148MHZ; + pll2 = CRT_PLL2_HS_148MHZ; + } else if (x == 1920 && y == 1200) { + pll1 = CRT_PLL1_HS_193MHZ; + pll2 = CRT_PLL2_HS_193MHZ; + } else /* default to VGA clock */ { + pll1 = CRT_PLL1_HS_25MHZ; + pll2 = CRT_PLL2_HS_25MHZ; + } + + writel(pll2, hidev->mmio + CRT_PLL2_HS); + set_vclock_hisilicon(dev, pll1); + + /* Hisilicon has to set up the top-left and bottom-right + * registers as well. + * Note that normal chip only use those two register for + * auto-centering mode. + */ + writel((HIBMC_CRT_AUTO_CENTERING_TL_TOP(0) & + HIBMC_CRT_AUTO_CENTERING_TL_TOP_MSK) | + (HIBMC_CRT_AUTO_CENTERING_TL_LEFT(0) & + HIBMC_CRT_AUTO_CENTERING_TL_LEFT_MSK), + hidev->mmio + HIBMC_CRT_AUTO_CENTERING_TL); + + writel((HIBMC_CRT_AUTO_CENTERING_BR_BOTTOM(y - 1) & + HIBMC_CRT_AUTO_CENTERING_BR_BOTTOM_MASK) | + (HIBMC_CRT_AUTO_CENTERING_BR_RIGHT(x - 1) & + HIBMC_CRT_AUTO_CENTERING_BR_RIGHT_MASK), + hidev->mmio + HIBMC_CRT_AUTO_CENTERING_BR); + + /* Assume common fields in ctrl have been properly set before + * calling this function. + * This function only sets the extra fields in ctrl. + */ + + /* Set bit 25 of display controller: Select CRT or VGA clock */ + ctrl &= ~HIBMC_CRT_DISP_CTL_CRTSELECT_MASK; + ctrl &= ~HIBMC_CRT_DISP_CTL_CLOCK_PHASE_MASK; + + ctrl |= HIBMC_CRT_DISP_CTL_CRTSELECT(CRTSELECT_CRT); + + /*ctrl = FIELD_SET(ctrl, HIBMC_CRT_DISP_CTL, CRTSELECT, CRT);*/ + + /* Set bit 14 of display controller */ + /*ctrl &= FIELD_CLEAR(HIBMC_CRT_DISP_CTL, CLOCK_PHASE);*/ + + /* clock_phase_polarity is 0 */ + ctrl |= HIBMC_CRT_DISP_CTL_CLOCK_PHASE(PHASE_ACTIVE_HIGH); + /*ctrl = FIELD_SET(ctrl, HIBMC_CRT_DISP_CTL,*/ + /*CLOCK_PHASE, ACTIVE_HIGH);*/ + + writel(ctrl, hidev->mmio + HIBMC_CRT_DISP_CTL); + + return ctrl; +} + +static void hibmc_crtc_mode_set_nofb(struct drm_crtc *crtc) +{ + unsigned int val; + struct drm_display_mode *mode = &crtc->state->mode; + struct drm_device *dev = crtc->dev; + struct hibmc_drm_device *hidev = dev->dev_private; + + writel(format_pll_reg(), hidev->mmio + HIBMC_CRT_PLL_CTRL); + writel((HIBMC_CRT_HORZ_TOTAL_TOTAL(mode->htotal - 1) & + HIBMC_CRT_HORZ_TOTAL_TOTAL_MASK) | + (HIBMC_CRT_HORZ_TOTAL_DISPLAY_END(mode->hdisplay - 1) & + HIBMC_CRT_HORZ_TOTAL_DISPLAY_END_MASK), + hidev->mmio + HIBMC_CRT_HORZ_TOTAL); + + writel((HIBMC_CRT_HORZ_SYNC_WIDTH(mode->hsync_end - mode->hsync_start) + & HIBMC_CRT_HORZ_SYNC_WIDTH_MASK) | + (HIBMC_CRT_HORZ_SYNC_START(mode->hsync_start - 1) + & HIBMC_CRT_HORZ_SYNC_START_MASK), + hidev->mmio + HIBMC_CRT_HORZ_SYNC); + + writel((HIBMC_CRT_VERT_TOTAL_TOTAL(mode->vtotal - 1) & + HIBMC_CRT_VERT_TOTAL_TOTAL_MASK) | + (HIBMC_CRT_VERT_TOTAL_DISPLAY_END(mode->vdisplay - 1) & + HIBMC_CRT_VERT_TOTAL_DISPLAY_END_MASK), + hidev->mmio + HIBMC_CRT_VERT_TOTAL); + + writel((HIBMC_CRT_VERT_SYNC_HEIGHT(mode->vsync_end - mode->vsync_start) + & HIBMC_CRT_VERT_SYNC_HEIGHT_MASK) | + (HIBMC_CRT_VERT_SYNC_START(mode->vsync_start - 1) & + HIBMC_CRT_VERT_SYNC_START_MASK), + hidev->mmio + HIBMC_CRT_VERT_SYNC); + + val = HIBMC_CRT_DISP_CTL_VSYNC_PHASE(0) & + HIBMC_CRT_DISP_CTL_VSYNC_PHASE_MASK; + val |= HIBMC_CRT_DISP_CTL_HSYNC_PHASE(0) & + HIBMC_CRT_DISP_CTL_HSYNC_PHASE_MASK; + val |= HIBMC_CRT_DISP_CTL_TIMING(ENABLE); + val |= HIBMC_CRT_DISP_CTL_PLANE(ENABLE); + + display_ctrl_adjust(dev, mode, val); +} + +static void hibmc_crtc_atomic_begin(struct drm_crtc *crtc, + struct drm_crtc_state *old_state) +{ + unsigned int reg; + struct drm_device *dev = crtc->dev; + struct hibmc_drm_device *hidev = dev->dev_private; + + hibmc_set_power_mode(hidev, HIBMC_PW_MODE_CTL_MODE_MODE0); + + /* Enable display power gate & LOCALMEM power gate*/ + reg = readl(hidev->mmio + HIBMC_CURRENT_GATE); + reg &= ~HIBMC_CURR_GATE_DISPLAY_MASK; + reg &= ~HIBMC_CURR_GATE_LOCALMEM_MASK; + reg |= HIBMC_CURR_GATE_DISPLAY(ON); + reg |= HIBMC_CURR_GATE_LOCALMEM(ON); + hibmc_set_current_gate(hidev, reg); + + /* We can add more initialization as needed. */ +} + +static void hibmc_crtc_atomic_flush(struct drm_crtc *crtc, + struct drm_crtc_state *old_state) + +{ + unsigned long flags; + + spin_lock_irqsave(&crtc->dev->event_lock, flags); + if (crtc->state->event) + drm_crtc_send_vblank_event(crtc, crtc->state->event); + crtc->state->event = NULL; + + spin_unlock_irqrestore(&crtc->dev->event_lock, flags); +} + +/* These provide the minimum set of functions required to handle a CRTC */ +static const struct drm_crtc_funcs hibmc_crtc_funcs = { + .page_flip = drm_atomic_helper_page_flip, + .set_config = drm_atomic_helper_set_config, + .destroy = drm_crtc_cleanup, + .reset = drm_atomic_helper_crtc_reset, + .atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state, + .atomic_destroy_state = drm_atomic_helper_crtc_destroy_state, +}; + +static const struct drm_crtc_helper_funcs hibmc_crtc_helper_funcs = { + .enable = hibmc_crtc_enable, + .disable = hibmc_crtc_disable, + .mode_set_nofb = hibmc_crtc_mode_set_nofb, + .atomic_check = hibmc_crtc_atomic_check, + .atomic_begin = hibmc_crtc_atomic_begin, + .atomic_flush = hibmc_crtc_atomic_flush, +}; + +int hibmc_crtc_init(struct hibmc_drm_device *hidev) +{ + struct drm_device *dev = hidev->dev; + struct drm_crtc *crtc = &hidev->crtc; + struct drm_plane *plane = &hidev->plane; + int ret; + + ret = drm_crtc_init_with_planes(dev, crtc, plane, + NULL, &hibmc_crtc_funcs, NULL); + if (ret) { + DRM_ERROR("failed to init crtc.\n"); + return ret; + } + + drm_mode_crtc_set_gamma_size(crtc, 256); + drm_crtc_helper_add(crtc, &hibmc_crtc_helper_funcs); + return 0; +} diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c index 8608ac2..b6e61db 100644 --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c @@ -119,6 +119,12 @@ static int hibmc_kms_init(struct hibmc_drm_device *hidev) return ret; } + ret = hibmc_crtc_init(hidev); + if (ret) { + DRM_ERROR("failed to init crtc.\n"); + return ret; + } + return 0; } diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h index 28a3663..3308b21 100644 --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h @@ -47,6 +47,7 @@ struct hibmc_drm_device { /* drm */ struct drm_device *dev; struct drm_plane plane; + struct drm_crtc crtc; bool mode_config_initialized; /* ttm */ @@ -86,6 +87,7 @@ static inline struct hibmc_bo *gem_to_hibmc_bo(struct drm_gem_object *gem) #define DRM_FILE_PAGE_OFFSET (0x100000000ULL >> PAGE_SHIFT) int hibmc_plane_init(struct hibmc_drm_device *hidev); +int hibmc_crtc_init(struct hibmc_drm_device *hidev); int hibmc_fbdev_init(struct hibmc_drm_device *hidev); void hibmc_fbdev_fini(struct hibmc_drm_device *hidev);