Re: linux-next: Tree for Jul 13 (drivers/video/fbdev/ps3fb.c)

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On 7/18/23 13:48, Michael Ellerman wrote:
Bagas Sanjaya <bagasdotme@xxxxxxxxx> writes:
On Thu, Jul 13, 2023 at 09:11:10AM -0700, Randy Dunlap wrote:
on ppc64:

In file included from ../include/linux/device.h:15,
                  from ../arch/powerpc/include/asm/io.h:22,
                  from ../include/linux/io.h:13,
                  from ../include/linux/irq.h:20,
                  from ../arch/powerpc/include/asm/hardirq.h:6,
                  from ../include/linux/hardirq.h:11,
                  from ../include/linux/interrupt.h:11,
                  from ../drivers/video/fbdev/ps3fb.c:25:
../drivers/video/fbdev/ps3fb.c: In function 'ps3fb_probe':
../drivers/video/fbdev/ps3fb.c:1172:40: error: 'struct fb_info' has no member named 'dev'
  1172 |                  dev_driver_string(info->dev), dev_name(info->dev),
       |                                        ^~
../include/linux/dev_printk.h:110:37: note: in definition of macro 'dev_printk_index_wrap'
   110 |                 _p_func(dev, fmt, ##__VA_ARGS__);                       \
       |                                     ^~~~~~~~~~~
../drivers/video/fbdev/ps3fb.c:1171:9: note: in expansion of macro 'dev_info'
  1171 |         dev_info(info->device, "%s %s, using %u KiB of video memory\n",
       |         ^~~~~~~~
../drivers/video/fbdev/ps3fb.c:1172:61: error: 'struct fb_info' has no member named 'dev'
  1172 |                  dev_driver_string(info->dev), dev_name(info->dev),
       |                                                             ^~
../include/linux/dev_printk.h:110:37: note: in definition of macro 'dev_printk_index_wrap'
   110 |                 _p_func(dev, fmt, ##__VA_ARGS__);                       \
       |                                     ^~~~~~~~~~~
../drivers/video/fbdev/ps3fb.c:1171:9: note: in expansion of macro 'dev_info'
  1171 |         dev_info(info->device, "%s %s, using %u KiB of video memory\n",
       |         ^~~~~~~~



Hmm, there is no response from Thomas yet. I guess we should go with
reverting bdb616479eff419, right? Regardless, I'm adding this build regression
to regzbot so that parties involved are aware of it:

#regzbot ^introduced: bdb616479eff419
#regzbot title: build regression in PS3 framebuffer

Does regzbot track issues in linux-next?

They're not really regressions because they're not in a release yet.

Anyway I don't see where bdb616479eff419 comes from.

The issue was introduced by:

   701d2054fa31 fbdev: Make support for userspace interfaces configurable

The driver seems to only use info->dev in that one dev_info() line,
which seems purely cosmetic, so I think it could just be removed, eg:

diff --git a/drivers/video/fbdev/ps3fb.c b/drivers/video/fbdev/ps3fb.c
index d4abcf8aff75..a304a39d712b 100644
--- a/drivers/video/fbdev/ps3fb.c
+++ b/drivers/video/fbdev/ps3fb.c
@@ -1168,8 +1168,7 @@ static int ps3fb_probe(struct ps3_system_bus_device *dev)

  	ps3_system_bus_set_drvdata(dev, info);

-	dev_info(info->device, "%s %s, using %u KiB of video memory\n",
-		 dev_driver_string(info->dev), dev_name(info->dev),
+	dev_info(info->device, "using %u KiB of video memory\n",
  		 info->fix.smem_len >> 10);

  	task = kthread_run(ps3fbd, info, DEVICE_NAME);


Can you please resend this as proper patch to fbdev and/or drm-misc mailing lists?
As it is, it never showed up for me in patchwork...

Helge




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