From patchwork Wed Jul 12 17:00:42 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Pinchart X-Patchwork-Id: 9837193 X-Patchwork-Delegate: geert@linux-m68k.org 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 53BDC60363 for ; Wed, 12 Jul 2017 17:00:47 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4063928545 for ; Wed, 12 Jul 2017 17:00:47 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 3506328658; Wed, 12 Jul 2017 17:00:47 +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=-7.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id CE18A285E1 for ; Wed, 12 Jul 2017 17:00:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932075AbdGLRAp (ORCPT ); Wed, 12 Jul 2017 13:00:45 -0400 Received: from galahad.ideasonboard.com ([185.26.127.97]:34417 "EHLO galahad.ideasonboard.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932074AbdGLRAo (ORCPT ); Wed, 12 Jul 2017 13:00:44 -0400 Received: from avalon.bb.dnainternet.fi (dfj612ybrt5fhg77mgycy-3.rev.dnainternet.fi [IPv6:2001:14ba:21f5:5b00:2e86:4862:ef6a:2804]) by galahad.ideasonboard.com (Postfix) with ESMTPSA id ADFE9202B9; Wed, 12 Jul 2017 19:00:13 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1499878814; bh=4Id8hlgdxLU2khgTkRKZTToYz54xeWuvM+3SVtBSOU0=; h=From:To:Cc:Subject:Date:From; b=PB8GMdrUDvIduM+RUxrOi31LMjUMFK53F8gtJKJDFVezqAGJLKXHFIuBJA8TYOfu9 xiXz7xD0nHCZSnGSQcwrR8PzXu6+gGHHzbbivw80imT29+21W+6GWbVe38m/B5Lze6 5gwAZN64fTJx13n93FC3CfMx1npeqQc6hF1J88tc= From: Laurent Pinchart To: dri-devel@lists.freedesktop.org Cc: linux-renesas-soc@vger.kernel.org, Kieran Bingham Subject: [PATCH] drm: rcar-du: Fix comments to comply with the kernel coding style Date: Wed, 12 Jul 2017 20:00:42 +0300 Message-Id: <20170712170042.14084-1-laurent.pinchart+renesas@ideasonboard.com> X-Mailer: git-send-email 2.13.0 Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP To avoid mixing comment styles when new comments complying with the kernel coding style are introduced, fix all multiline comments in one go. Signed-off-by: Laurent Pinchart Acked-by: Kieran Bingham --- drivers/gpu/drm/rcar-du/rcar_du_crtc.c | 24 ++++++++++++------ drivers/gpu/drm/rcar-du/rcar_du_drv.c | 21 ++++++++++------ drivers/gpu/drm/rcar-du/rcar_du_group.c | 18 ++++++++----- drivers/gpu/drm/rcar-du/rcar_du_kms.c | 18 ++++++++----- drivers/gpu/drm/rcar-du/rcar_du_lvdsenc.c | 12 ++++++--- drivers/gpu/drm/rcar-du/rcar_du_plane.c | 42 ++++++++++++++++++++----------- drivers/gpu/drm/rcar-du/rcar_du_plane.h | 3 ++- drivers/gpu/drm/rcar-du/rcar_du_vsp.c | 6 +++-- 8 files changed, 96 insertions(+), 48 deletions(-) diff --git a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c index f131fc68cc46..a04802f7b2f1 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c @@ -168,7 +168,8 @@ static void rcar_du_crtc_set_display_timing(struct rcar_du_crtc *rcrtc) u32 escr; u32 div; - /* Compute the clock divisor and select the internal or external dot + /* + * Compute the clock divisor and select the internal or external dot * clock based on the requested frequency. */ clk = clk_get_rate(rcrtc->clock); @@ -261,12 +262,14 @@ void rcar_du_crtc_route_output(struct drm_crtc *crtc, struct rcar_du_crtc *rcrtc = to_rcar_crtc(crtc); struct rcar_du_device *rcdu = rcrtc->group->dev; - /* Store the route from the CRTC output to the DU output. The DU will be + /* + * Store the route from the CRTC output to the DU output. The DU will be * configured when starting the CRTC. */ rcrtc->outputs |= BIT(output); - /* Store RGB routing to DPAD0, the hardware will be configured when + /* + * Store RGB routing to DPAD0, the hardware will be configured when * starting the CRTC. */ if (output == RCAR_DU_OUTPUT_DPAD0) @@ -342,7 +345,8 @@ static void rcar_du_crtc_update_planes(struct rcar_du_crtc *rcrtc) } } - /* Update the planes to display timing and dot clock generator + /* + * Update the planes to display timing and dot clock generator * associations. * * Updating the DPTSR register requires restarting the CRTC group, @@ -450,7 +454,8 @@ static void rcar_du_crtc_start(struct rcar_du_crtc *rcrtc) /* Start with all planes disabled. */ rcar_du_group_write(rcrtc->group, rcrtc->index % 2 ? DS2PR : DS1PR, 0); - /* Select master sync mode. This enables display operation in master + /* + * Select master sync mode. This enables display operation in master * sync mode (with the HSYNC and VSYNC signals configured as outputs and * actively driven). */ @@ -478,7 +483,8 @@ static void rcar_du_crtc_stop(struct rcar_du_crtc *rcrtc) if (!rcrtc->started) return; - /* Disable all planes and wait for the change to take effect. This is + /* + * Disable all planes and wait for the change to take effect. This is * required as the DSnPR registers are updated on vblank, and no vblank * will occur once the CRTC is stopped. Disabling planes when starting * the CRTC thus wouldn't be enough as it would start scanning out @@ -491,7 +497,8 @@ static void rcar_du_crtc_stop(struct rcar_du_crtc *rcrtc) rcar_du_group_write(rcrtc->group, rcrtc->index % 2 ? DS2PR : DS1PR, 0); drm_crtc_wait_one_vblank(crtc); - /* Disable vertical blanking interrupt reporting. We first need to wait + /* + * Disable vertical blanking interrupt reporting. We first need to wait * for page flip completion before stopping the CRTC as userspace * expects page flips to eventually complete. */ @@ -502,7 +509,8 @@ static void rcar_du_crtc_stop(struct rcar_du_crtc *rcrtc) if (rcar_du_has(rcrtc->group->dev, RCAR_DU_FEATURE_VSP1_SOURCE)) rcar_du_vsp_disable(rcrtc); - /* Select switch sync mode. This stops display operation and configures + /* + * Select switch sync mode. This stops display operation and configures * the HSYNC and VSYNC signals as inputs. */ rcar_du_crtc_clr_set(rcrtc, DSYSR, DSYSR_TVM_MASK, DSYSR_TVM_SWITCH); diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.c b/drivers/gpu/drm/rcar-du/rcar_du_drv.c index d6a0255181cc..b95437bccb3d 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_drv.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.c @@ -39,7 +39,8 @@ static const struct rcar_du_device_info rcar_du_r8a7779_info = { .features = 0, .num_crtcs = 2, .routes = { - /* R8A7779 has two RGB outputs and one (currently unsupported) + /* + * R8A7779 has two RGB outputs and one (currently unsupported) * TCON output. */ [RCAR_DU_OUTPUT_DPAD0] = { @@ -61,7 +62,8 @@ static const struct rcar_du_device_info rcar_du_r8a7790_info = { .quirks = RCAR_DU_QUIRK_ALIGN_128B | RCAR_DU_QUIRK_LVDS_LANES, .num_crtcs = 3, .routes = { - /* R8A7790 has one RGB output, two LVDS outputs and one + /* + * R8A7790 has one RGB output, two LVDS outputs and one * (currently unsupported) TCON output. */ [RCAR_DU_OUTPUT_DPAD0] = { @@ -87,7 +89,8 @@ static const struct rcar_du_device_info rcar_du_r8a7791_info = { | RCAR_DU_FEATURE_EXT_CTRL_REGS, .num_crtcs = 2, .routes = { - /* R8A779[13] has one RGB output, one LVDS output and one + /* + * R8A779[13] has one RGB output, one LVDS output and one * (currently unsupported) TCON output. */ [RCAR_DU_OUTPUT_DPAD0] = { @@ -127,7 +130,8 @@ static const struct rcar_du_device_info rcar_du_r8a7794_info = { | RCAR_DU_FEATURE_EXT_CTRL_REGS, .num_crtcs = 2, .routes = { - /* R8A7794 has two RGB outputs and one (currently unsupported) + /* + * R8A7794 has two RGB outputs and one (currently unsupported) * TCON output. */ [RCAR_DU_OUTPUT_DPAD0] = { @@ -149,7 +153,8 @@ static const struct rcar_du_device_info rcar_du_r8a7795_info = { | RCAR_DU_FEATURE_VSP1_SOURCE, .num_crtcs = 4, .routes = { - /* R8A7795 has one RGB output, two HDMI outputs and one + /* + * R8A7795 has one RGB output, two HDMI outputs and one * LVDS output. */ [RCAR_DU_OUTPUT_DPAD0] = { @@ -180,7 +185,8 @@ static const struct rcar_du_device_info rcar_du_r8a7796_info = { | RCAR_DU_FEATURE_VSP1_SOURCE, .num_crtcs = 3, .routes = { - /* R8A7796 has one RGB output, one LVDS output and one + /* + * R8A7796 has one RGB output, one LVDS output and one * (currently unsupported) HDMI output. */ [RCAR_DU_OUTPUT_DPAD0] = { @@ -341,7 +347,8 @@ static int rcar_du_probe(struct platform_device *pdev) ddev->irq_enabled = 1; - /* Register the DRM device with the core and the connectors with + /* + * Register the DRM device with the core and the connectors with * sysfs. */ ret = drm_dev_register(ddev, 0); diff --git a/drivers/gpu/drm/rcar-du/rcar_du_group.c b/drivers/gpu/drm/rcar-du/rcar_du_group.c index 64738fca96d0..a3e29bb420fd 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_group.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_group.c @@ -64,7 +64,8 @@ static void rcar_du_group_setup_defr8(struct rcar_du_group *rgrp) if (rcdu->info->gen < 3) { defr8 |= DEFR8_DEFE8; - /* On Gen2 the DEFR8 register for the first group also controls + /* + * On Gen2 the DEFR8 register for the first group also controls * RGB output routing to DPAD0 and VSPD1 routing to DU0/1/2 for * DU instances that support it. */ @@ -75,7 +76,8 @@ static void rcar_du_group_setup_defr8(struct rcar_du_group *rgrp) defr8 |= DEFR8_VSCS; } } else { - /* On Gen3 VSPD routing can't be configured, but DPAD routing + /* + * On Gen3 VSPD routing can't be configured, but DPAD routing * needs to be set despite having a single option available. */ u32 crtc = ffs(possible_crtcs) - 1; @@ -124,7 +126,8 @@ static void rcar_du_group_setup(struct rcar_du_group *rgrp) if (rcdu->info->gen >= 3) rcar_du_group_write(rgrp, DEFR10, DEFR10_CODE | DEFR10_DEFE10); - /* Use DS1PR and DS2PR to configure planes priorities and connects the + /* + * Use DS1PR and DS2PR to configure planes priorities and connects the * superposition 0 to DU0 pins. DU1 pins will be configured dynamically. */ rcar_du_group_write(rgrp, DORCR, DORCR_PG1D_DS1 | DORCR_DPRS); @@ -177,7 +180,8 @@ static void __rcar_du_group_start_stop(struct rcar_du_group *rgrp, bool start) void rcar_du_group_start_stop(struct rcar_du_group *rgrp, bool start) { - /* Many of the configuration bits are only updated when the display + /* + * Many of the configuration bits are only updated when the display * reset (DRES) bit in DSYSR is set to 1, disabling *both* CRTCs. Some * of those bits could be pre-configured, but others (especially the * bits related to plane assignment to display timing controllers) need @@ -213,7 +217,8 @@ int rcar_du_set_dpad0_vsp1_routing(struct rcar_du_device *rcdu) if (!rcar_du_has(rcdu, RCAR_DU_FEATURE_EXT_CTRL_REGS)) return 0; - /* RGB output routing to DPAD0 and VSP1D routing to DU0/1/2 are + /* + * RGB output routing to DPAD0 and VSP1D routing to DU0/1/2 are * configured in the DEFR8 register of the first group. As this function * can be called with the DU0 and DU1 CRTCs disabled, we need to enable * the first group clock before accessing the register. @@ -236,7 +241,8 @@ int rcar_du_group_set_routing(struct rcar_du_group *rgrp) dorcr &= ~(DORCR_PG2T | DORCR_DK2S | DORCR_PG2D_MASK); - /* Set the DPAD1 pins sources. Select CRTC 0 if explicitly requested and + /* + * Set the DPAD1 pins sources. Select CRTC 0 if explicitly requested and * CRTC 1 in all other cases to avoid cloning CRTC 0 to DPAD0 and DPAD1 * by default. */ diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms.c b/drivers/gpu/drm/rcar-du/rcar_du_kms.c index f4125c8ca902..91003ee13046 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_kms.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_kms.c @@ -96,7 +96,8 @@ static const struct rcar_du_format_info rcar_du_format_infos[] = { .pnmr = PnMR_SPIM_TP_OFF | PnMR_DDDF_YC, .edf = PnDDCR4_EDF_NONE, }, - /* The following formats are not supported on Gen2 and thus have no + /* + * The following formats are not supported on Gen2 and thus have no * associated .pnmr or .edf settings. */ { @@ -153,7 +154,8 @@ int rcar_du_dumb_create(struct drm_file *file, struct drm_device *dev, unsigned int min_pitch = DIV_ROUND_UP(args->width * args->bpp, 8); unsigned int align; - /* The R8A7779 DU requires a 16 pixels pitch alignment as documented, + /* + * The R8A7779 DU requires a 16 pixels pitch alignment as documented, * but the R8A7790 DU seems to require a 128 bytes pitch alignment. */ if (rcar_du_needs(rcdu, RCAR_DU_QUIRK_ALIGN_128B)) @@ -419,7 +421,8 @@ static int rcar_du_properties_init(struct rcar_du_device *rcdu) if (rcdu->props.alpha == NULL) return -ENOMEM; - /* The color key is expressed as an RGB888 triplet stored in a 32-bit + /* + * The color key is expressed as an RGB888 triplet stored in a 32-bit * integer in XRGB8888 format. Bit 24 is used as a flag to disable (0) * or enable source color keying (1). */ @@ -461,7 +464,8 @@ int rcar_du_modeset_init(struct rcar_du_device *rcdu) if (ret < 0) return ret; - /* Initialize vertical blanking interrupts handling. Start with vblank + /* + * Initialize vertical blanking interrupts handling. Start with vblank * disabled for all CRTCs. */ ret = drm_vblank_init(dev, (1 << rcdu->info->num_crtcs) - 1); @@ -481,7 +485,8 @@ int rcar_du_modeset_init(struct rcar_du_device *rcdu) rgrp->index = i; rgrp->num_crtcs = min(rcdu->num_crtcs - 2 * i, 2U); - /* If we have more than one CRTCs in this group pre-associate + /* + * If we have more than one CRTCs in this group pre-associate * the low-order planes with CRTC 0 and the high-order planes * with CRTC 1 to minimize flicker occurring when the * association is changed. @@ -537,7 +542,8 @@ int rcar_du_modeset_init(struct rcar_du_device *rcdu) num_encoders = ret; - /* Set the possible CRTCs and possible clones. There's always at least + /* + * Set the possible CRTCs and possible clones. There's always at least * one way for all encoders to clone each other, set all bits in the * possible clones field. */ diff --git a/drivers/gpu/drm/rcar-du/rcar_du_lvdsenc.c b/drivers/gpu/drm/rcar-du/rcar_du_lvdsenc.c index 1661f6201210..12d22f3db1af 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_lvdsenc.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_lvdsenc.c @@ -59,7 +59,8 @@ static void rcar_du_lvdsenc_start_gen2(struct rcar_du_lvdsenc *lvds, rcar_lvds_write(lvds, LVDPLLCR, pllcr); - /* Select the input, hardcode mode 0, enable LVDS operation and turn + /* + * Select the input, hardcode mode 0, enable LVDS operation and turn * bias circuitry on. */ lvdcr0 = (lvds->mode << LVDCR0_LVMD_SHIFT) | LVDCR0_BEN | LVDCR0_LVEN; @@ -73,7 +74,8 @@ static void rcar_du_lvdsenc_start_gen2(struct rcar_du_lvdsenc *lvds, LVDCR1_CHSTBY_GEN2(1) | LVDCR1_CHSTBY_GEN2(0) | LVDCR1_CLKSTBY_GEN2); - /* Turn the PLL on, wait for the startup delay, and turn the output + /* + * Turn the PLL on, wait for the startup delay, and turn the output * on. */ lvdcr0 |= LVDCR0_PLLON; @@ -140,7 +142,8 @@ static int rcar_du_lvdsenc_start(struct rcar_du_lvdsenc *lvds, if (ret < 0) return ret; - /* Hardcode the channels and control signals routing for now. + /* + * Hardcode the channels and control signals routing for now. * * HSYNC -> CTRL0 * VSYNC -> CTRL1 @@ -202,7 +205,8 @@ void rcar_du_lvdsenc_atomic_check(struct rcar_du_lvdsenc *lvds, { struct rcar_du_device *rcdu = lvds->dev; - /* The internal LVDS encoder has a restricted clock frequency operating + /* + * The internal LVDS encoder has a restricted clock frequency operating * range (30MHz to 150MHz on Gen2, 25.175MHz to 148.5MHz on Gen3). Clamp * the clock accordingly. */ diff --git a/drivers/gpu/drm/rcar-du/rcar_du_plane.c b/drivers/gpu/drm/rcar-du/rcar_du_plane.c index dcde6288da6c..b0040478a3db 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_plane.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_plane.c @@ -57,7 +57,8 @@ static bool rcar_du_plane_needs_realloc(struct rcar_du_plane *plane, cur_state = to_rcar_plane_state(plane->plane.state); - /* Lowering the number of planes doesn't strictly require reallocation + /* + * Lowering the number of planes doesn't strictly require reallocation * as the extra hardware plane will be freed when committing, but doing * so could lead to more fragmentation. */ @@ -155,7 +156,8 @@ int rcar_du_atomic_check_planes(struct drm_device *dev, dev_dbg(rcdu->dev, "%s: checking plane (%u,%tu)\n", __func__, plane->group->index, plane - plane->group->planes); - /* If the plane is being disabled we don't need to go through + /* + * If the plane is being disabled we don't need to go through * the full reallocation procedure. Just mark the hardware * plane(s) as freed. */ @@ -168,7 +170,8 @@ int rcar_du_atomic_check_planes(struct drm_device *dev, continue; } - /* If the plane needs to be reallocated mark it as such, and + /* + * If the plane needs to be reallocated mark it as such, and * mark the hardware plane(s) as free. */ if (rcar_du_plane_needs_realloc(plane, plane_state)) { @@ -186,7 +189,8 @@ int rcar_du_atomic_check_planes(struct drm_device *dev, if (!needs_realloc) return 0; - /* Grab all plane states for the groups that need reallocation to ensure + /* + * Grab all plane states for the groups that need reallocation to ensure * locking and avoid racy updates. This serializes the update operation, * but there's not much we can do about it as that's the hardware * design. @@ -211,7 +215,8 @@ int rcar_du_atomic_check_planes(struct drm_device *dev, if (IS_ERR(s)) return PTR_ERR(s); - /* If the plane has been freed in the above loop its + /* + * If the plane has been freed in the above loop its * hardware planes must not be added to the used planes * bitmask. However, the current state doesn't reflect * the free state yet, as we've modified the new state @@ -259,14 +264,16 @@ int rcar_du_atomic_check_planes(struct drm_device *dev, dev_dbg(rcdu->dev, "%s: allocating plane (%u,%tu)\n", __func__, plane->group->index, plane - plane->group->planes); - /* Skip planes that are being disabled or don't need to be + /* + * Skip planes that are being disabled or don't need to be * reallocated. */ if (!plane_state->format || !rcar_du_plane_needs_realloc(plane, plane_state)) continue; - /* Try to allocate the plane from the free planes currently + /* + * Try to allocate the plane from the free planes currently * associated with the target CRTC to avoid restarting the CRTC * group and thus minimize flicker. If it fails fall back to * allocating from all free planes. @@ -351,14 +358,16 @@ static void rcar_du_plane_setup_scanout(struct rcar_du_group *rgrp, dma[1] = 0; } - /* Memory pitch (expressed in pixels). Must be doubled for interlaced + /* + * Memory pitch (expressed in pixels). Must be doubled for interlaced * operation with 32bpp formats. */ rcar_du_plane_write(rgrp, index, PnMWR, (interlaced && state->format->bpp == 32) ? pitch * 2 : pitch); - /* The Y position is expressed in raster line units and must be doubled + /* + * The Y position is expressed in raster line units and must be doubled * for 32bpp formats, according to the R8A7790 datasheet. No mention of * doubling the Y position is found in the R8A7779 datasheet, but the * rule seems to apply there as well. @@ -396,7 +405,8 @@ static void rcar_du_plane_setup_mode(struct rcar_du_group *rgrp, u32 colorkey; u32 pnmr; - /* The PnALPHAR register controls alpha-blending in 16bpp formats + /* + * The PnALPHAR register controls alpha-blending in 16bpp formats * (ARGB1555 and XRGB1555). * * For ARGB, set the alpha value to 0, and enable alpha-blending when @@ -413,7 +423,8 @@ static void rcar_du_plane_setup_mode(struct rcar_du_group *rgrp, pnmr = PnMR_BM_MD | state->format->pnmr; - /* Disable color keying when requested. YUV formats have the + /* + * Disable color keying when requested. YUV formats have the * PnMR_SPIM_TP_OFF bit set in their pnmr field, disabling color keying * automatically. */ @@ -457,7 +468,8 @@ static void rcar_du_plane_setup_format_gen2(struct rcar_du_group *rgrp, u32 ddcr2 = PnDDCR2_CODE; u32 ddcr4; - /* Data format + /* + * Data format * * The data format is selected by the DDDF field in PnMR and the EDF * field in DDCR4. @@ -589,7 +601,8 @@ static void rcar_du_plane_atomic_update(struct drm_plane *plane, rcar_du_plane_setup(rplane); - /* Check whether the source has changed from memory to live source or + /* + * Check whether the source has changed from memory to live source or * from live source to memory. The source has been configured by the * VSPS bit in the PnDDCR4 register. Although the datasheet states that * the bit is updated during vertical blanking, it seems that updates @@ -726,7 +739,8 @@ int rcar_du_planes_init(struct rcar_du_group *rgrp) unsigned int i; int ret; - /* Create one primary plane per CRTC in this group and seven overlay + /* + * Create one primary plane per CRTC in this group and seven overlay * planes. */ rgrp->num_planes = rgrp->num_crtcs + 7; diff --git a/drivers/gpu/drm/rcar-du/rcar_du_plane.h b/drivers/gpu/drm/rcar-du/rcar_du_plane.h index 8b91dd3a46e4..f62e09f195de 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_plane.h +++ b/drivers/gpu/drm/rcar-du/rcar_du_plane.h @@ -20,7 +20,8 @@ struct rcar_du_format_info; struct rcar_du_group; -/* The RCAR DU has 8 hardware planes, shared between primary and overlay planes. +/* + * The RCAR DU has 8 hardware planes, shared between primary and overlay planes. * As using overlay planes requires at least one of the CRTCs being enabled, no * more than 7 overlay planes can be available. We thus create 1 primary plane * per CRTC and 7 overlay planes, for a total of up to 9 KMS planes. diff --git a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c index d46dce054442..75853ce369d4 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c @@ -73,7 +73,8 @@ void rcar_du_vsp_enable(struct rcar_du_crtc *crtc) __rcar_du_plane_setup(crtc->group, &state); - /* Ensure that the plane source configuration takes effect by requesting + /* + * Ensure that the plane source configuration takes effect by requesting * a restart of the group. See rcar_du_plane_atomic_update() for a more * detailed explanation. * @@ -417,7 +418,8 @@ int rcar_du_vsp_init(struct rcar_du_vsp *vsp) if (ret < 0) return ret; - /* The VSP2D (Gen3) has 5 RPFs, but the VSP1D (Gen2) is limited to + /* + * The VSP2D (Gen3) has 5 RPFs, but the VSP1D (Gen2) is limited to * 4 RPFs. */ vsp->num_planes = rcdu->info->gen >= 3 ? 5 : 4;