target/linux/brcm2708/patches-4.19/950-0337-video-bcm2708_fb-Clean-up-coding-style-issues.patch

   1 From 9236c0f31f2052bbcd6386367ace3ebfad57da3d Mon Sep 17 00:00:00 2001
   2 From: Dave Stevenson <dave.stevenson@raspberrypi.org>
   3 Date: Fri, 25 Jan 2019 17:32:54 +0000
   4 Subject: [PATCH 337/703] video: bcm2708_fb: Clean up coding style issues
   5
   6 Now checkpatch clean except for 2 long lines, missing
   7 SPDX header, and no DT documentation.
   8
   9 Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
  10 ---
  11  drivers/video/fbdev/bcm2708_fb.c | 96 ++++++++++++++------------------
  12  1 file changed, 42 insertions(+), 54 deletions(-)
  13
  14 --- a/drivers/video/fbdev/bcm2708_fb.c
  15 +++ b/drivers/video/fbdev/bcm2708_fb.c
  16 @@ -41,7 +41,7 @@
  17  #define MODULE_NAME "bcm2708_fb"
  18
  19  #ifdef BCM2708_FB_DEBUG
  20 -#define print_debug(fmt, ...) pr_debug("%s:%s:%d: "fmt, \
  21 +#define print_debug(fmt, ...) pr_debug("%s:%s:%d: " fmt, \
  22                         MODULE_NAME, __func__, __LINE__, ##__VA_ARGS__)
  23  #else
  24  #define print_debug(fmt, ...)
  25 @@ -57,7 +57,7 @@ static int fbheight = 480;    /* module par
  26  static int fbdepth = 32;       /* module parameter */
  27  static int fbswap;             /* module parameter */
  28
  29 -static u32 dma_busy_wait_threshold = 1<<15;
  30 +static u32 dma_busy_wait_threshold = 1 << 15;
  31  module_param(dma_busy_wait_threshold, int, 0644);
  32  MODULE_PARM_DESC(dma_busy_wait_threshold, "Busy-wait for DMA completion below this area");
  33
  34 @@ -132,8 +132,8 @@ static int bcm2708_fb_debugfs_init(struc
  35         fb->stats.regset.nregs = ARRAY_SIZE(stats_registers);
  36         fb->stats.regset.base = &fb->stats;
  37
  38 -       if (!debugfs_create_regset32(
  39 -               "stats", 0444, fb->debugfs_dir, &fb->stats.regset)) {
  40 +       if (!debugfs_create_regset32("stats", 0444, fb->debugfs_dir,
  41 +                                    &fb->stats.regset)) {
  42                 pr_warn("%s: could not create statistics registers\n",
  43                         __func__);
  44                 goto fail;
  45 @@ -223,25 +223,22 @@ static int bcm2708_fb_check_var(struct f
  46  {
  47         /* info input, var output */
  48         print_debug("%s(%p) %dx%d (%dx%d), %d, %d\n",
  49 -               __func__,
  50 -               info,
  51 -               info->var.xres, info->var.yres, info->var.xres_virtual,
  52 -               info->var.yres_virtual, (int)info->screen_size,
  53 -               info->var.bits_per_pixel);
  54 -       print_debug("%s(%p) %dx%d (%dx%d), %d\n", __func__, var,
  55 -               var->xres, var->yres, var->xres_virtual, var->yres_virtual,
  56 -               var->bits_per_pixel);
  57 +                   __func__, info, info->var.xres, info->var.yres,
  58 +                   info->var.xres_virtual, info->var.yres_virtual,
  59 +                   (int)info->screen_size, info->var.bits_per_pixel);
  60 +       print_debug("%s(%p) %dx%d (%dx%d), %d\n", __func__, var, var->xres,
  61 +                   var->yres, var->xres_virtual, var->yres_virtual,
  62 +                   var->bits_per_pixel);
  63
  64         if (!var->bits_per_pixel)
  65                 var->bits_per_pixel = 16;
  66
  67         if (bcm2708_fb_set_bitfields(var) != 0) {
  68                 pr_err("%s: invalid bits_per_pixel %d\n", __func__,
  69 -                    var->bits_per_pixel);
  70 +                      var->bits_per_pixel);
  71                 return -EINVAL;
  72         }
  73
  74 -
  75         if (var->xres_virtual < var->xres)
  76                 var->xres_virtual = var->xres;
  77         /* use highest possible virtual resolution */
  78 @@ -249,7 +246,7 @@ static int bcm2708_fb_check_var(struct f
  79                 var->yres_virtual = 480;
  80
  81                 pr_err("%s: virtual resolution set to maximum of %dx%d\n",
  82 -                    __func__, var->xres_virtual, var->yres_virtual);
  83 +                      __func__, var->xres_virtual, var->yres_virtual);
  84         }
  85         if (var->yres_virtual < var->yres)
  86                 var->yres_virtual = var->yres;
  87 @@ -294,9 +291,9 @@ static int bcm2708_fb_set_par(struct fb_
  88         int ret;
  89
  90         print_debug("%s(%p) %dx%d (%dx%d), %d, %d\n", __func__, info,
  91 -               info->var.xres, info->var.yres, info->var.xres_virtual,
  92 -               info->var.yres_virtual, (int)info->screen_size,
  93 -               info->var.bits_per_pixel);
  94 +                   info->var.xres, info->var.yres, info->var.xres_virtual,
  95 +                   info->var.yres_virtual, (int)info->screen_size,
  96 +                   info->var.bits_per_pixel);
  97
  98         ret = rpi_firmware_property_list(fb->fw, &fbinfo, sizeof(fbinfo));
  99         if (ret) {
 100 @@ -328,12 +325,10 @@ static int bcm2708_fb_set_par(struct fb_
 101                 return -ENOMEM;
 102         }
 103
 104 -       print_debug(
 105 -         "%s: start = %p,%p width=%d, height=%d, bpp=%d, pitch=%d size=%d\n",
 106 -         __func__,
 107 -         (void *)fb->fb.screen_base, (void *)fb->fb_bus_address,
 108 -         fbinfo.xres, fbinfo.yres, fbinfo.bpp,
 109 -         fbinfo.pitch, (int)fb->fb.screen_size);
 110 +       print_debug("%s: start = %p,%p width=%d, height=%d, bpp=%d, pitch=%d size=%d\n",
 111 +                   __func__, (void *)fb->fb.screen_base,
 112 +                   (void *)fb->fb_bus_address, fbinfo.xres, fbinfo.yres,
 113 +                   fbinfo.bpp, fbinfo.pitch, (int)fb->fb.screen_size);
 114
 115         return 0;
 116  }
 117 @@ -345,7 +340,6 @@ static inline u32 convert_bitfield(int v
 118         return (val >> (16 - bf->length) & mask) << bf->offset;
 119  }
 120
 121 -
 122  static int bcm2708_fb_setcolreg(unsigned int regno, unsigned int red,
 123                                 unsigned int green, unsigned int blue,
 124                                 unsigned int transp, struct fb_info *info)
 125 @@ -379,11 +373,11 @@ static int bcm2708_fb_setcolreg(unsigned
 126                         packet->offset = 0;
 127                         packet->length = regno + 1;
 128                         memcpy(packet->cmap, fb->gpu_cmap,
 129 -                               sizeof(packet->cmap));
 130 +                              sizeof(packet->cmap));
 131                         ret = rpi_firmware_property(fb->fw,
 132 -                                       RPI_FIRMWARE_FRAMEBUFFER_SET_PALETTE,
 133 -                                       packet,
 134 -                                       (2 + packet->length) * sizeof(u32));
 135 +                                                   RPI_FIRMWARE_FRAMEBUFFER_SET_PALETTE,
 136 +                                                   packet,
 137 +                                                   (2 + packet->length) * sizeof(u32));
 138                         if (ret || packet->offset)
 139                                 dev_err(info->device,
 140                                         "Failed to set palette (%d,%u)\n",
 141 @@ -392,9 +386,9 @@ static int bcm2708_fb_setcolreg(unsigned
 142                 }
 143         } else if (regno < 16) {
 144                 fb->cmap[regno] = convert_bitfield(transp, &fb->fb.var.transp) |
 145 -               convert_bitfield(blue, &fb->fb.var.blue) |
 146 -               convert_bitfield(green, &fb->fb.var.green) |
 147 -               convert_bitfield(red, &fb->fb.var.red);
 148 +                                 convert_bitfield(blue, &fb->fb.var.blue) |
 149 +                                 convert_bitfield(green, &fb->fb.var.green) |
 150 +                                 convert_bitfield(red, &fb->fb.var.red);
 151         }
 152         return regno > 255;
 153  }
 154 @@ -437,8 +431,8 @@ static int bcm2708_fb_pan_display(struct
 155         info->var.yoffset = var->yoffset;
 156         result = bcm2708_fb_set_par(info);
 157         if (result != 0)
 158 -               pr_err("%s(%d,%d) returns=%d\n", __func__,
 159 -                       var->xoffset, var->yoffset, result);
 160 +               pr_err("%s(%d,%d) returns=%d\n", __func__, var->xoffset,
 161 +                      var->yoffset, result);
 162         return result;
 163  }
 164
 165 @@ -468,9 +462,8 @@ static void dma_memcpy(struct bcm2708_fb
 166                 cb->info |= BCM2708_DMA_INT_EN;
 167                 bcm_dma_start(fb->dma_chan_base, fb->cb_handle);
 168                 while (bcm_dma_is_busy(dma_chan)) {
 169 -                       wait_event_interruptible(
 170 -                               fb->dma_waitq,
 171 -                               !bcm_dma_is_busy(dma_chan));
 172 +                       wait_event_interruptible(fb->dma_waitq,
 173 +                                                !bcm_dma_is_busy(dma_chan));
 174                 }
 175                 fb->stats.dma_irqs++;
 176         }
 177 @@ -478,9 +471,9 @@ static void dma_memcpy(struct bcm2708_fb
 178  }
 179
 180  /* address with no aliases */
 181 -#define INTALIAS_NORMAL(x) ((x)&~0xc0000000)
 182 +#define INTALIAS_NORMAL(x) ((x) & ~0xc0000000)
 183  /* cache coherent but non-allocating in L1 and L2 */
 184 -#define INTALIAS_L1L2_NONALLOCATING(x) (((x)&~0xc0000000)|0x80000000)
 185 +#define INTALIAS_L1L2_NONALLOCATING(x) (((x) & ~0xc0000000) | 0x80000000)
 186
 187  static long vc_mem_copy(struct bcm2708_fb *fb, struct fb_dmacopy *ioparam)
 188  {
 189 @@ -498,15 +491,15 @@ static long vc_mem_copy(struct bcm2708_f
 190
 191         if (!fb->gpu.base || !fb->gpu.length) {
 192                 pr_err("[%s]: Unable to determine gpu memory (%x,%x)\n",
 193 -                       __func__, fb->gpu.base, fb->gpu.length);
 194 +                      __func__, fb->gpu.base, fb->gpu.length);
 195                 return -EFAULT;
 196         }
 197
 198         if (INTALIAS_NORMAL(ioparam->src) < fb->gpu.base ||
 199             INTALIAS_NORMAL(ioparam->src) >= fb->gpu.base + fb->gpu.length) {
 200                 pr_err("[%s]: Invalid memory access %x (%x-%x)", __func__,
 201 -                       INTALIAS_NORMAL(ioparam->src), fb->gpu.base,
 202 -                       fb->gpu.base + fb->gpu.length);
 203 +                      INTALIAS_NORMAL(ioparam->src), fb->gpu.base,
 204 +                      fb->gpu.base + fb->gpu.length);
 205                 return -EFAULT;
 206         }
 207
 208 @@ -528,8 +521,7 @@ static long vc_mem_copy(struct bcm2708_f
 209                 dma_memcpy(fb, bus_addr,
 210                            INTALIAS_L1L2_NONALLOCATING((dma_addr_t)p), size);
 211                 if (copy_to_user(q, buf, s) != 0) {
 212 -                       pr_err("[%s]: failed to copy-to-user\n",
 213 -                                       __func__);
 214 +                       pr_err("[%s]: failed to copy-to-user\n", __func__);
 215                         rc = -EFAULT;
 216                         goto out;
 217                 }
 218 @@ -755,7 +747,6 @@ static void bcm2708_fb_copyarea(struct f
 219         /* end of dma control blocks chain */
 220         cb->next = 0;
 221
 222 -
 223         if (pixels < dma_busy_wait_threshold) {
 224                 bcm_dma_start(fb->dma_chan_base, fb->cb_handle);
 225                 bcm_dma_wait_idle(fb->dma_chan_base);
 226 @@ -765,9 +756,8 @@ static void bcm2708_fb_copyarea(struct f
 227                 cb->info |= BCM2708_DMA_INT_EN;
 228                 bcm_dma_start(fb->dma_chan_base, fb->cb_handle);
 229                 while (bcm_dma_is_busy(dma_chan)) {
 230 -                       wait_event_interruptible(
 231 -                               fb->dma_waitq,
 232 -                               !bcm_dma_is_busy(dma_chan));
 233 +                       wait_event_interruptible(fb->dma_waitq,
 234 +                                                !bcm_dma_is_busy(dma_chan));
 235                 }
 236                 fb->stats.dma_irqs++;
 237         }
 238 @@ -863,7 +853,7 @@ static int bcm2708_fb_register(struct bc
 239                 return ret;
 240
 241         print_debug("BCM2708FB: registering framebuffer (%dx%d@%d) (%d)\n",
 242 -               fbwidth, fbheight, fbdepth, fbswap);
 243 +                   fbwidth, fbheight, fbdepth, fbswap);
 244
 245         ret = register_framebuffer(&fb->fb);
 246         print_debug("BCM2708FB: register framebuffer (%d)\n", ret);
 247 @@ -893,7 +883,7 @@ static int bcm2708_fb_probe(struct platf
 248         if (!fw)
 249                 return -EPROBE_DEFER;
 250
 251 -       fb = kzalloc(sizeof(struct bcm2708_fb), GFP_KERNEL);
 252 +       fb = kzalloc(sizeof(*fb), GFP_KERNEL);
 253         if (!fb) {
 254                 ret = -ENOMEM;
 255                 goto free_region;
 256 @@ -927,7 +917,6 @@ static int bcm2708_fb_probe(struct platf
 257                 goto free_dma_chan;
 258         }
 259
 260 -
 261         pr_info("BCM2708FB: allocated DMA channel %d\n", fb->dma_chan);
 262
 263         fb->dev = dev;
 264 @@ -936,9 +925,8 @@ static int bcm2708_fb_probe(struct platf
 265         /* failure here isn't fatal, but we'll fail in vc_mem_copy if
 266          * fb->gpu is not valid
 267          */
 268 -       rpi_firmware_property(fb->fw,
 269 -                                   RPI_FIRMWARE_GET_VC_MEMORY,
 270 -                                   &fb->gpu, sizeof(fb->gpu));
 271 +       rpi_firmware_property(fb->fw, RPI_FIRMWARE_GET_VC_MEMORY, &fb->gpu,
 272 +                             sizeof(fb->gpu));
 273
 274         ret = bcm2708_fb_register(fb);
 275         if (ret == 0) {