On Wed, Jul 12, 2017 at 08:00:42PM +0300, Laurent Pinchart wrote:
> 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 <laurent.pinchart+rene...@ideasonboard.com>

Afaik the entirety of davem's -net is commented like this, this is
checkpatch being a bit over the top. And drm is often commented like this
too.

Just fyi.
-Daniel
> ---
>  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;
> -- 
> Regards,
> 
> Laurent Pinchart
> 
> _______________________________________________
> dri-devel mailing list
> dri-de...@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch

Reply via email to