[PATCH v1 3/7] drm/stm: ltdc: Lindent and minor cleanups

Benjamin Gaignard benjamin.gaignard at linaro.org
Thu Jul 20 09:28:08 UTC 2017


2017-07-18 12:20 GMT+02:00 Philippe CORNU <philippe.cornu at st.com>:
> Lindent then checkpatch --strict cleanups
>
> Signed-off-by: Philippe CORNU <philippe.cornu at st.com>

> ---
>  drivers/gpu/drm/stm/ltdc.c | 172 ++++++++++++++++++++++-----------------------
>  1 file changed, 85 insertions(+), 87 deletions(-)
>
> diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c
> index 50e8a89..628825b 100644
> --- a/drivers/gpu/drm/stm/ltdc.c
> +++ b/drivers/gpu/drm/stm/ltdc.c
> @@ -42,52 +42,52 @@
>   * an extra offset specified with reg_ofs.
>   */
>  #define REG_OFS_NONE   0
> -#define REG_OFS_4      4 /* Insertion of "Layer Configuration 2" reg */
> +#define REG_OFS_4      4               /* Insertion of "Layer Conf. 2" reg */
>  #define REG_OFS                (ldev->caps.reg_ofs)
> -#define LAY_OFS                0x80    /* Register Offset between 2 layers */
> +#define LAY_OFS                0x80            /* Register Offset between 2 layers */
>
>  /* Global register offsets */
> -#define LTDC_IDR       0x0000 /* IDentification */
> -#define LTDC_LCR       0x0004 /* Layer Count */
> -#define LTDC_SSCR      0x0008 /* Synchronization Size Configuration */
> -#define LTDC_BPCR      0x000C /* Back Porch Configuration */
> -#define LTDC_AWCR      0x0010 /* Active Width Configuration */
> -#define LTDC_TWCR      0x0014 /* Total Width Configuration */
> -#define LTDC_GCR       0x0018 /* Global Control */
> -#define LTDC_GC1R      0x001C /* Global Configuration 1 */
> -#define LTDC_GC2R      0x0020 /* Global Configuration 2 */
> -#define LTDC_SRCR      0x0024 /* Shadow Reload Configuration */
> -#define LTDC_GACR      0x0028 /* GAmma Correction */
> -#define LTDC_BCCR      0x002C /* Background Color Configuration */
> -#define LTDC_IER       0x0034 /* Interrupt Enable */
> -#define LTDC_ISR       0x0038 /* Interrupt Status */
> -#define LTDC_ICR       0x003C /* Interrupt Clear */
> -#define LTDC_LIPCR     0x0040 /* Line Interrupt Position Configuration */
> -#define LTDC_CPSR      0x0044 /* Current Position Status */
> -#define LTDC_CDSR      0x0048 /* Current Display Status */
> +#define LTDC_IDR       0x0000          /* IDentification */
> +#define LTDC_LCR       0x0004          /* Layer Count */
> +#define LTDC_SSCR      0x0008          /* Synchronization Size Configuration */
> +#define LTDC_BPCR      0x000C          /* Back Porch Configuration */
> +#define LTDC_AWCR      0x0010          /* Active Width Configuration */
> +#define LTDC_TWCR      0x0014          /* Total Width Configuration */
> +#define LTDC_GCR       0x0018          /* Global Control */
> +#define LTDC_GC1R      0x001C          /* Global Configuration 1 */
> +#define LTDC_GC2R      0x0020          /* Global Configuration 2 */
> +#define LTDC_SRCR      0x0024          /* Shadow Reload Configuration */
> +#define LTDC_GACR      0x0028          /* GAmma Correction */
> +#define LTDC_BCCR      0x002C          /* Background Color Configuration */
> +#define LTDC_IER       0x0034          /* Interrupt Enable */
> +#define LTDC_ISR       0x0038          /* Interrupt Status */
> +#define LTDC_ICR       0x003C          /* Interrupt Clear */
> +#define LTDC_LIPCR     0x0040          /* Line Interrupt Position Conf. */
> +#define LTDC_CPSR      0x0044          /* Current Position Status */
> +#define LTDC_CDSR      0x0048          /* Current Display Status */
>
>  /* Layer register offsets */
> -#define LTDC_L1LC1R    (0x0080)           /* L1 Layer Configuration 1 */
> -#define LTDC_L1LC2R    (0x0084)           /* L1 Layer Configuration 2 */
> -#define LTDC_L1CR      (0x0084 + REG_OFS) /* L1 Control */
> -#define LTDC_L1WHPCR   (0x0088 + REG_OFS) /* L1 Window Hor Position Config */
> -#define LTDC_L1WVPCR   (0x008C + REG_OFS) /* L1 Window Vert Position Config */
> -#define LTDC_L1CKCR    (0x0090 + REG_OFS) /* L1 Color Keying Configuration */
> -#define LTDC_L1PFCR    (0x0094 + REG_OFS) /* L1 Pixel Format Configuration */
> -#define LTDC_L1CACR    (0x0098 + REG_OFS) /* L1 Constant Alpha Config */
> -#define LTDC_L1DCCR    (0x009C + REG_OFS) /* L1 Default Color Configuration */
> -#define LTDC_L1BFCR    (0x00A0 + REG_OFS) /* L1 Blend Factors Configuration */
> -#define LTDC_L1FBBCR   (0x00A4 + REG_OFS) /* L1 FrameBuffer Bus Control */
> -#define LTDC_L1AFBCR   (0x00A8 + REG_OFS) /* L1 AuxFB Control */
> -#define LTDC_L1CFBAR   (0x00AC + REG_OFS) /* L1 Color FrameBuffer Address */
> -#define LTDC_L1CFBLR   (0x00B0 + REG_OFS) /* L1 Color FrameBuffer Length */
> -#define LTDC_L1CFBLNR  (0x00B4 + REG_OFS) /* L1 Color FrameBuffer Line Nb */
> -#define LTDC_L1AFBAR   (0x00B8 + REG_OFS) /* L1 AuxFB Address */
> -#define LTDC_L1AFBLR   (0x00BC + REG_OFS) /* L1 AuxFB Length */
> -#define LTDC_L1AFBLNR  (0x00C0 + REG_OFS) /* L1 AuxFB Line Number */
> -#define LTDC_L1CLUTWR  (0x00C4 + REG_OFS) /* L1 CLUT Write */
> -#define LTDC_L1YS1R    (0x00E0 + REG_OFS) /* L1 YCbCr Scale 1 */
> -#define LTDC_L1YS2R    (0x00E4 + REG_OFS) /* L1 YCbCr Scale 2 */
> +#define LTDC_L1LC1R    (0x80)          /* L1 Layer Configuration 1 */
> +#define LTDC_L1LC2R    (0x84)          /* L1 Layer Configuration 2 */
> +#define LTDC_L1CR      (0x84 + REG_OFS)/* L1 Control */
> +#define LTDC_L1WHPCR   (0x88 + REG_OFS)/* L1 Window Hor Position Config */
> +#define LTDC_L1WVPCR   (0x8C + REG_OFS)/* L1 Window Vert Position Config */
> +#define LTDC_L1CKCR    (0x90 + REG_OFS)/* L1 Color Keying Configuration */
> +#define LTDC_L1PFCR    (0x94 + REG_OFS)/* L1 Pixel Format Configuration */
> +#define LTDC_L1CACR    (0x98 + REG_OFS)/* L1 Constant Alpha Config */
> +#define LTDC_L1DCCR    (0x9C + REG_OFS)/* L1 Default Color Configuration */
> +#define LTDC_L1BFCR    (0xA0 + REG_OFS)/* L1 Blend Factors Configuration */
> +#define LTDC_L1FBBCR   (0xA4 + REG_OFS)/* L1 FrameBuffer Bus Control */
> +#define LTDC_L1AFBCR   (0xA8 + REG_OFS)/* L1 AuxFB Control */
> +#define LTDC_L1CFBAR   (0xAC + REG_OFS)/* L1 Color FrameBuffer Address */
> +#define LTDC_L1CFBLR   (0xB0 + REG_OFS)/* L1 Color FrameBuffer Length */
> +#define LTDC_L1CFBLNR  (0xB4 + REG_OFS)/* L1 Color FrameBuffer Line Nb */
> +#define LTDC_L1AFBAR   (0xB8 + REG_OFS)/* L1 AuxFB Address */
> +#define LTDC_L1AFBLR   (0xBC + REG_OFS)/* L1 AuxFB Length */
> +#define LTDC_L1AFBLNR  (0xC0 + REG_OFS)/* L1 AuxFB Line Number */
> +#define LTDC_L1CLUTWR  (0xC4 + REG_OFS)/* L1 CLUT Write */
> +#define LTDC_L1YS1R    (0xE0 + REG_OFS)/* L1 YCbCr Scale 1 */
> +#define LTDC_L1YS2R    (0xE4 + REG_OFS)/* L1 YCbCr Scale 2 */
>
>  /* Bit definitions */
>  #define SSCR_VSH       GENMASK(10, 0)  /* Vertical Synchronization Height */
> @@ -172,52 +172,52 @@
>  #define LXCFBLR_CFBLL  GENMASK(12, 0)  /* Color Frame Buffer Line Length */
>  #define LXCFBLR_CFBP   GENMASK(28, 16) /* Color Frame Buffer Pitch in bytes */
>
> -#define LXCFBLNR_CFBLN GENMASK(10, 0)   /* Color Frame Buffer Line Number */
> +#define LXCFBLNR_CFBLN GENMASK(10, 0)  /* Color Frame Buffer Line Number */
>
> -#define CONSTA_MAX 0xFF                /* CONSTant Alpha MAX= 1.0 */
> -#define BF1_PAXCA  0x600       /* Pixel Alpha x Constant Alpha */
> -#define BF1_CA     0x400       /* Constant Alpha */
> -#define BF2_1PAXCA 0x007       /* 1 - (Pixel Alpha x Constant Alpha) */
> -#define BF2_1CA           0x005        /* 1 - Constant Alpha */
> +#define CONSTA_MAX     0xFF            /* CONSTant Alpha MAX= 1.0 */
> +#define BF1_PAXCA      0x600           /* Pixel Alpha x Constant Alpha */
> +#define BF1_CA         0x400           /* Constant Alpha */
> +#define BF2_1PAXCA     0x007           /* 1 - (Pixel Alpha x Constant Alpha) */
> +#define BF2_1CA                0x005           /* 1 - Constant Alpha */
>
> -#define NB_PF           8       /* Max nb of HW pixel format */
> +#define NB_PF          8               /* Max nb of HW pixel format */
>
>  enum ltdc_pix_fmt {
>         PF_NONE,
>         /* RGB formats */
> -       PF_ARGB8888,    /* ARGB [32 bits] */
> -       PF_RGBA8888,    /* RGBA [32 bits] */
> -       PF_RGB888,      /* RGB [24 bits] */
> -       PF_RGB565,      /* RGB [16 bits] */
> -       PF_ARGB1555,    /* ARGB A:1 bit RGB:15 bits [16 bits] */
> -       PF_ARGB4444,    /* ARGB A:4 bits R/G/B: 4 bits each [16 bits] */
> +       PF_ARGB8888,            /* ARGB [32 bits] */
> +       PF_RGBA8888,            /* RGBA [32 bits] */
> +       PF_RGB888,              /* RGB [24 bits] */
> +       PF_RGB565,              /* RGB [16 bits] */
> +       PF_ARGB1555,            /* ARGB A:1 bit RGB:15 bits [16 bits] */
> +       PF_ARGB4444,            /* ARGB A:4 bits R/G/B: 4 bits each [16 bits] */
>         /* Indexed formats */
> -       PF_L8,          /* Indexed 8 bits [8 bits] */
> -       PF_AL44,        /* Alpha:4 bits + indexed 4 bits [8 bits] */
> -       PF_AL88         /* Alpha:8 bits + indexed 8 bits [16 bits] */
> +       PF_L8,                  /* Indexed 8 bits [8 bits] */
> +       PF_AL44,                /* Alpha:4 bits + indexed 4 bits [8 bits] */
> +       PF_AL88                 /* Alpha:8 bits + indexed 8 bits [16 bits] */
>  };
>
>  /* The index gives the encoding of the pixel format for an HW version */
>  static const enum ltdc_pix_fmt ltdc_pix_fmt_a0[NB_PF] = {
> -       PF_ARGB8888,    /* 0x00 */
> -       PF_RGB888,      /* 0x01 */
> -       PF_RGB565,      /* 0x02 */
> -       PF_ARGB1555,    /* 0x03 */
> -       PF_ARGB4444,    /* 0x04 */
> -       PF_L8,          /* 0x05 */
> -       PF_AL44,        /* 0x06 */
> -       PF_AL88         /* 0x07 */
> +       PF_ARGB8888,            /* 0x00 */
> +       PF_RGB888,              /* 0x01 */
> +       PF_RGB565,              /* 0x02 */
> +       PF_ARGB1555,            /* 0x03 */
> +       PF_ARGB4444,            /* 0x04 */
> +       PF_L8,                  /* 0x05 */
> +       PF_AL44,                /* 0x06 */
> +       PF_AL88                 /* 0x07 */
>  };
>
>  static const enum ltdc_pix_fmt ltdc_pix_fmt_a1[NB_PF] = {
> -       PF_ARGB8888,    /* 0x00 */
> -       PF_RGB888,      /* 0x01 */
> -       PF_RGB565,      /* 0x02 */
> -       PF_RGBA8888,    /* 0x03 */
> -       PF_AL44,        /* 0x04 */
> -       PF_L8,          /* 0x05 */
> -       PF_ARGB1555,    /* 0x06 */
> -       PF_ARGB4444     /* 0x07 */
> +       PF_ARGB8888,            /* 0x00 */
> +       PF_RGB888,              /* 0x01 */
> +       PF_RGB565,              /* 0x02 */
> +       PF_RGBA8888,            /* 0x03 */
> +       PF_AL44,                /* 0x04 */
> +       PF_L8,                  /* 0x05 */
> +       PF_ARGB1555,            /* 0x06 */
> +       PF_ARGB4444             /* 0x07 */
>  };
>
>  static inline u32 reg_read(void __iomem *base, u32 reg)
> @@ -294,7 +294,7 @@ static inline enum ltdc_pix_fmt to_ltdc_pixelformat(u32 drm_fmt)
>         default:
>                 pf = PF_NONE;
>                 break;
> -       /* Note: There are no DRM_FORMAT for AL44 and AL88 */
> +               /* Note: There are no DRM_FORMAT for AL44 and AL88 */
>         }
>
>         return pf;
> @@ -317,8 +317,8 @@ static inline u32 to_drm_pixelformat(enum ltdc_pix_fmt pf)
>                 return DRM_FORMAT_ARGB4444;
>         case PF_L8:
>                 return DRM_FORMAT_C8;
> -       case PF_AL44: /* No DRM support */
> -       case PF_AL88: /* No DRM support */
> +       case PF_AL44:           /* No DRM support */
> +       case PF_AL88:           /* No DRM support */
>         case PF_NONE:
>         default:
>                 return 0;
> @@ -602,11 +602,11 @@ static void ltdc_plane_atomic_update(struct drm_plane *plane,
>         src_w = state->src_w >> 16;
>         src_h = state->src_h >> 16;
>
> -       DRM_DEBUG_DRIVER(
> -               "plane:%d fb:%d (%dx%d)@(%d,%d) -> (%dx%d)@(%d,%d)\n",
> -               plane->base.id, fb->base.id,
> -               src_w, src_h, src_x, src_y,
> -               state->crtc_w, state->crtc_h, state->crtc_x, state->crtc_y);
> +       DRM_DEBUG_DRIVER("plane:%d fb:%d (%dx%d)@(%d,%d) -> (%dx%d)@(%d,%d)\n",
> +                        plane->base.id, fb->base.id,
> +                        src_w, src_h, src_x, src_y,
> +                        state->crtc_w, state->crtc_h,
> +                        state->crtc_x, state->crtc_y);
>
>         bpcr = reg_read(ldev->regs, LTDC_BPCR);
>         ahbp = (bpcr & BPCR_AHBP) >> 16;
> @@ -631,7 +631,7 @@ static void ltdc_plane_atomic_update(struct drm_plane *plane,
>         if (val == NB_PF) {
>                 DRM_ERROR("Pixel format %.4s not supported\n",
>                           (char *)&fb->format->format);
> -               val = 0; /* set by default ARGB 32 bits */
> +               val = 0;        /* set by default ARGB 32 bits */
>         }
>         reg_update_bits(ldev->regs, LTDC_L1PFCR + lofs, LXPFCR_PF, val);
>
> @@ -645,8 +645,7 @@ static void ltdc_plane_atomic_update(struct drm_plane *plane,
>
>         /* Specifies the constant alpha value */
>         val = CONSTA_MAX;
> -       reg_update_bits(ldev->regs, LTDC_L1CACR + lofs,
> -                       LXCACR_CONSTA, val);
> +       reg_update_bits(ldev->regs, LTDC_L1CACR + lofs, LXCACR_CONSTA, val);
>
>         /* Specifies the blending factors */
>         val = BF1_PAXCA | BF2_1PAXCA;
> @@ -655,8 +654,7 @@ static void ltdc_plane_atomic_update(struct drm_plane *plane,
>
>         /* Configures the frame buffer line number */
>         val = y1 - y0 + 1;
> -       reg_update_bits(ldev->regs, LTDC_L1CFBLNR + lofs,
> -                       LXCFBLNR_CFBLN, val);
> +       reg_update_bits(ldev->regs, LTDC_L1CFBLNR + lofs, LXCFBLNR_CFBLN, val);
>
>         /* Sets the FB address */
>         paddr = (u32)drm_fb_cma_get_gem_addr(fb, state, 0);
> @@ -817,7 +815,7 @@ static int ltdc_encoder_init(struct drm_device *ddev)
>                 return -ENOMEM;
>
>         encoder->possible_crtcs = CRTC_MASK;
> -       encoder->possible_clones = 0; /* No cloning support */
> +       encoder->possible_clones = 0;   /* No cloning support */
>
>         drm_encoder_init(ddev, encoder, &ltdc_encoder_funcs,
>                          DRM_MODE_ENCODER_DPI, NULL);
> --
> 1.9.1
>



-- 
Benjamin Gaignard

Graphic Study Group

Linaro.org │ Open source software for ARM SoCs

Follow Linaro: Facebook | Twitter | Blog


More information about the dri-devel mailing list