diff mbox series

drm/i915/dsi: Add PORT_TX_DW7 programming to DSI vswing sequence

Message ID 1544810802-13392-1-git-send-email-clinton.a.taylor@intel.com (mailing list archive)
State New, archived
Headers show
Series drm/i915/dsi: Add PORT_TX_DW7 programming to DSI vswing sequence | expand

Commit Message

Taylor, Clinton A Dec. 14, 2018, 6:06 p.m. UTC
From: Clint Taylor <clinton.a.taylor@intel.com>

Program PORT_TX_DW7 to the value specified in the DDI Buffer section of the
BSPEC.

BSEPC: 21257
Cc: Madhav Chauhan <madhav.chauhan@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Imre Deak <imre.deak@intel.com>
Signed-off-by: Clint Taylor <clinton.a.taylor@intel.com>
---
 drivers/gpu/drm/i915/icl_dsi.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

Comments

Taylor, Clinton A Dec. 14, 2018, 7:34 p.m. UTC | #1
Oops, failure caused by ICL_PORT_TX_DW7 not being defined yet. Still 
waiting on r-b for a patch that includes the DW7 definition.

-Clint



On 12/14/18 10:15, Patchwork wrote:
> == Series Details ==
>
> Series: drm/i915/dsi: Add PORT_TX_DW7 programming to DSI vswing sequence
> URL   : https://patchwork.freedesktop.org/series/54069/
> State : failure
>
> == Summary ==
>
> CALL    scripts/checksyscalls.sh
>    DESCEND  objtool
>    CHK     include/generated/compile.h
>    CC [M]  drivers/gpu/drm/i915/icl_dsi.o
> In file included from drivers/gpu/drm/i915/intel_drv.h:33:0,
>                   from drivers/gpu/drm/i915/intel_dsi.h:30,
>                   from drivers/gpu/drm/i915/icl_dsi.c:30:
> drivers/gpu/drm/i915/icl_dsi.c: In function ‘dsi_program_swing_and_deemphasis’:
> drivers/gpu/drm/i915/icl_dsi.c:239:19: error: implicit declaration of function ‘ICL_PORT_TX_DW7_LN0’; did you mean ‘ICL_PORT_TX_DW4_LN0’? [-Werror=implicit-function-declaration]
>     tmp = I915_READ(ICL_PORT_TX_DW7_LN0(port));
>                     ^
> drivers/gpu/drm/i915/i915_drv.h:3438:70: note: in definition of macro ‘I915_READ’
>   #define I915_READ(reg)  dev_priv->uncore.funcs.mmio_readl(dev_priv, (reg), true)
>                                                                        ^~~
> drivers/gpu/drm/i915/i915_drv.h:3438:69: error: incompatible type for argument 2 of ‘dev_priv->uncore.funcs.mmio_readl’
>   #define I915_READ(reg)  dev_priv->uncore.funcs.mmio_readl(dev_priv, (reg), true)
>                                                                       ^
> drivers/gpu/drm/i915/icl_dsi.c:239:9: note: in expansion of macro ‘I915_READ’
>     tmp = I915_READ(ICL_PORT_TX_DW7_LN0(port));
>           ^~~~~~~~~
> drivers/gpu/drm/i915/i915_drv.h:3438:69: note: expected ‘i915_reg_t {aka struct <anonymous>}’ but argument is of type ‘int’
>   #define I915_READ(reg)  dev_priv->uncore.funcs.mmio_readl(dev_priv, (reg), true)
>                                                                       ^
> drivers/gpu/drm/i915/icl_dsi.c:239:9: note: in expansion of macro ‘I915_READ’
>     tmp = I915_READ(ICL_PORT_TX_DW7_LN0(port));
>           ^~~~~~~~~
> drivers/gpu/drm/i915/icl_dsi.c:242:14: error: implicit declaration of function ‘ICL_PORT_TX_DW7_GRP’; did you mean ‘ICL_PORT_TX_DW5_GRP’? [-Werror=implicit-function-declaration]
>     I915_WRITE(ICL_PORT_TX_DW7_GRP(port), tmp);
>                ^
> drivers/gpu/drm/i915/i915_drv.h:3439:76: note: in definition of macro ‘I915_WRITE’
>   #define I915_WRITE(reg, val) dev_priv->uncore.funcs.mmio_writel(dev_priv, (reg), (val), true)
>                                                                              ^~~
> drivers/gpu/drm/i915/i915_drv.h:3439:75: error: incompatible type for argument 2 of ‘dev_priv->uncore.funcs.mmio_writel’
>   #define I915_WRITE(reg, val) dev_priv->uncore.funcs.mmio_writel(dev_priv, (reg), (val), true)
>                                                                             ^
> drivers/gpu/drm/i915/icl_dsi.c:242:3: note: in expansion of macro ‘I915_WRITE’
>     I915_WRITE(ICL_PORT_TX_DW7_GRP(port), tmp);
>     ^~~~~~~~~~
> drivers/gpu/drm/i915/i915_drv.h:3439:75: note: expected ‘i915_reg_t {aka struct <anonymous>}’ but argument is of type ‘int’
>   #define I915_WRITE(reg, val) dev_priv->uncore.funcs.mmio_writel(dev_priv, (reg), (val), true)
>                                                                             ^
> drivers/gpu/drm/i915/icl_dsi.c:242:3: note: in expansion of macro ‘I915_WRITE’
>     I915_WRITE(ICL_PORT_TX_DW7_GRP(port), tmp);
>     ^~~~~~~~~~
> drivers/gpu/drm/i915/icl_dsi.c:244:19: error: implicit declaration of function ‘ICL_PORT_TX_DW7_AUX’; did you mean ‘ICL_PORT_TX_DW2_AUX’? [-Werror=implicit-function-declaration]
>     tmp = I915_READ(ICL_PORT_TX_DW7_AUX(port));
>                     ^
> drivers/gpu/drm/i915/i915_drv.h:3438:70: note: in definition of macro ‘I915_READ’
>   #define I915_READ(reg)  dev_priv->uncore.funcs.mmio_readl(dev_priv, (reg), true)
>                                                                        ^~~
> drivers/gpu/drm/i915/i915_drv.h:3438:69: error: incompatible type for argument 2 of ‘dev_priv->uncore.funcs.mmio_readl’
>   #define I915_READ(reg)  dev_priv->uncore.funcs.mmio_readl(dev_priv, (reg), true)
>                                                                       ^
> drivers/gpu/drm/i915/icl_dsi.c:244:9: note: in expansion of macro ‘I915_READ’
>     tmp = I915_READ(ICL_PORT_TX_DW7_AUX(port));
>           ^~~~~~~~~
> drivers/gpu/drm/i915/i915_drv.h:3438:69: note: expected ‘i915_reg_t {aka struct <anonymous>}’ but argument is of type ‘int’
>   #define I915_READ(reg)  dev_priv->uncore.funcs.mmio_readl(dev_priv, (reg), true)
>                                                                       ^
> drivers/gpu/drm/i915/icl_dsi.c:244:9: note: in expansion of macro ‘I915_READ’
>     tmp = I915_READ(ICL_PORT_TX_DW7_AUX(port));
>           ^~~~~~~~~
> drivers/gpu/drm/i915/i915_drv.h:3439:75: error: incompatible type for argument 2 of ‘dev_priv->uncore.funcs.mmio_writel’
>   #define I915_WRITE(reg, val) dev_priv->uncore.funcs.mmio_writel(dev_priv, (reg), (val), true)
>                                                                             ^
> drivers/gpu/drm/i915/icl_dsi.c:247:3: note: in expansion of macro ‘I915_WRITE’
>     I915_WRITE(ICL_PORT_TX_DW7_AUX(port), tmp);
>     ^~~~~~~~~~
> drivers/gpu/drm/i915/i915_drv.h:3439:75: note: expected ‘i915_reg_t {aka struct <anonymous>}’ but argument is of type ‘int’
>   #define I915_WRITE(reg, val) dev_priv->uncore.funcs.mmio_writel(dev_priv, (reg), (val), true)
>                                                                             ^
> drivers/gpu/drm/i915/icl_dsi.c:247:3: note: in expansion of macro ‘I915_WRITE’
>     I915_WRITE(ICL_PORT_TX_DW7_AUX(port), tmp);
>     ^~~~~~~~~~
> cc1: all warnings being treated as errors
> scripts/Makefile.build:291: recipe for target 'drivers/gpu/drm/i915/icl_dsi.o' failed
> make[4]: *** [drivers/gpu/drm/i915/icl_dsi.o] Error 1
> scripts/Makefile.build:516: recipe for target 'drivers/gpu/drm/i915' failed
> make[3]: *** [drivers/gpu/drm/i915] Error 2
> scripts/Makefile.build:516: recipe for target 'drivers/gpu/drm' failed
> make[2]: *** [drivers/gpu/drm] Error 2
> scripts/Makefile.build:516: recipe for target 'drivers/gpu' failed
> make[1]: *** [drivers/gpu] Error 2
> Makefile:1060: recipe for target 'drivers' failed
> make: *** [drivers] Error 2
>
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    <p><font size="-1">Oops, failure caused by ICL_PORT_TX_DW7 not being
        defined yet. Still waiting on r-b for a patch that includes the
        DW7 definition. <br>
      </font></p>
    <p><font size="-1">-Clint</font></p>
    <p><font size="-1"><br>
      </font></p>
    <p><font size="-1"> </font><br>
    </p>
    <div class="moz-cite-prefix">On 12/14/18 10:15, Patchwork wrote:<br>
    </div>
    <blockquote type="cite"
      cite="mid:20181214181553.6810.45546@emeril.freedesktop.org">
      <pre class="moz-quote-pre" wrap="">== Series Details ==

Series: drm/i915/dsi: Add PORT_TX_DW7 programming to DSI vswing sequence
URL   : <a class="moz-txt-link-freetext" href="https://patchwork.freedesktop.org/series/54069/">https://patchwork.freedesktop.org/series/54069/</a>
State : failure

== Summary ==

CALL    scripts/checksyscalls.sh
  DESCEND  objtool
  CHK     include/generated/compile.h
  CC [M]  drivers/gpu/drm/i915/icl_dsi.o
In file included from drivers/gpu/drm/i915/intel_drv.h:33:0,
                 from drivers/gpu/drm/i915/intel_dsi.h:30,
                 from drivers/gpu/drm/i915/icl_dsi.c:30:
drivers/gpu/drm/i915/icl_dsi.c: In function ‘dsi_program_swing_and_deemphasis’:
drivers/gpu/drm/i915/icl_dsi.c:239:19: error: implicit declaration of function ‘ICL_PORT_TX_DW7_LN0’; did you mean ‘ICL_PORT_TX_DW4_LN0’? [-Werror=implicit-function-declaration]
   tmp = I915_READ(ICL_PORT_TX_DW7_LN0(port));
                   ^
drivers/gpu/drm/i915/i915_drv.h:3438:70: note: in definition of macro ‘I915_READ’
 #define I915_READ(reg)  dev_priv-&gt;uncore.funcs.mmio_readl(dev_priv, (reg), true)
                                                                      ^~~
drivers/gpu/drm/i915/i915_drv.h:3438:69: error: incompatible type for argument 2 of ‘dev_priv-&gt;uncore.funcs.mmio_readl’
 #define I915_READ(reg)  dev_priv-&gt;uncore.funcs.mmio_readl(dev_priv, (reg), true)
                                                                     ^
drivers/gpu/drm/i915/icl_dsi.c:239:9: note: in expansion of macro ‘I915_READ’
   tmp = I915_READ(ICL_PORT_TX_DW7_LN0(port));
         ^~~~~~~~~
drivers/gpu/drm/i915/i915_drv.h:3438:69: note: expected ‘i915_reg_t {aka struct &lt;anonymous&gt;}’ but argument is of type ‘int’
 #define I915_READ(reg)  dev_priv-&gt;uncore.funcs.mmio_readl(dev_priv, (reg), true)
                                                                     ^
drivers/gpu/drm/i915/icl_dsi.c:239:9: note: in expansion of macro ‘I915_READ’
   tmp = I915_READ(ICL_PORT_TX_DW7_LN0(port));
         ^~~~~~~~~
drivers/gpu/drm/i915/icl_dsi.c:242:14: error: implicit declaration of function ‘ICL_PORT_TX_DW7_GRP’; did you mean ‘ICL_PORT_TX_DW5_GRP’? [-Werror=implicit-function-declaration]
   I915_WRITE(ICL_PORT_TX_DW7_GRP(port), tmp);
              ^
drivers/gpu/drm/i915/i915_drv.h:3439:76: note: in definition of macro ‘I915_WRITE’
 #define I915_WRITE(reg, val) dev_priv-&gt;uncore.funcs.mmio_writel(dev_priv, (reg), (val), true)
                                                                            ^~~
drivers/gpu/drm/i915/i915_drv.h:3439:75: error: incompatible type for argument 2 of ‘dev_priv-&gt;uncore.funcs.mmio_writel’
 #define I915_WRITE(reg, val) dev_priv-&gt;uncore.funcs.mmio_writel(dev_priv, (reg), (val), true)
                                                                           ^
drivers/gpu/drm/i915/icl_dsi.c:242:3: note: in expansion of macro ‘I915_WRITE’
   I915_WRITE(ICL_PORT_TX_DW7_GRP(port), tmp);
   ^~~~~~~~~~
drivers/gpu/drm/i915/i915_drv.h:3439:75: note: expected ‘i915_reg_t {aka struct &lt;anonymous&gt;}’ but argument is of type ‘int’
 #define I915_WRITE(reg, val) dev_priv-&gt;uncore.funcs.mmio_writel(dev_priv, (reg), (val), true)
                                                                           ^
drivers/gpu/drm/i915/icl_dsi.c:242:3: note: in expansion of macro ‘I915_WRITE’
   I915_WRITE(ICL_PORT_TX_DW7_GRP(port), tmp);
   ^~~~~~~~~~
drivers/gpu/drm/i915/icl_dsi.c:244:19: error: implicit declaration of function ‘ICL_PORT_TX_DW7_AUX’; did you mean ‘ICL_PORT_TX_DW2_AUX’? [-Werror=implicit-function-declaration]
   tmp = I915_READ(ICL_PORT_TX_DW7_AUX(port));
                   ^
drivers/gpu/drm/i915/i915_drv.h:3438:70: note: in definition of macro ‘I915_READ’
 #define I915_READ(reg)  dev_priv-&gt;uncore.funcs.mmio_readl(dev_priv, (reg), true)
                                                                      ^~~
drivers/gpu/drm/i915/i915_drv.h:3438:69: error: incompatible type for argument 2 of ‘dev_priv-&gt;uncore.funcs.mmio_readl’
 #define I915_READ(reg)  dev_priv-&gt;uncore.funcs.mmio_readl(dev_priv, (reg), true)
                                                                     ^
drivers/gpu/drm/i915/icl_dsi.c:244:9: note: in expansion of macro ‘I915_READ’
   tmp = I915_READ(ICL_PORT_TX_DW7_AUX(port));
         ^~~~~~~~~
drivers/gpu/drm/i915/i915_drv.h:3438:69: note: expected ‘i915_reg_t {aka struct &lt;anonymous&gt;}’ but argument is of type ‘int’
 #define I915_READ(reg)  dev_priv-&gt;uncore.funcs.mmio_readl(dev_priv, (reg), true)
                                                                     ^
drivers/gpu/drm/i915/icl_dsi.c:244:9: note: in expansion of macro ‘I915_READ’
   tmp = I915_READ(ICL_PORT_TX_DW7_AUX(port));
         ^~~~~~~~~
drivers/gpu/drm/i915/i915_drv.h:3439:75: error: incompatible type for argument 2 of ‘dev_priv-&gt;uncore.funcs.mmio_writel’
 #define I915_WRITE(reg, val) dev_priv-&gt;uncore.funcs.mmio_writel(dev_priv, (reg), (val), true)
                                                                           ^
drivers/gpu/drm/i915/icl_dsi.c:247:3: note: in expansion of macro ‘I915_WRITE’
   I915_WRITE(ICL_PORT_TX_DW7_AUX(port), tmp);
   ^~~~~~~~~~
drivers/gpu/drm/i915/i915_drv.h:3439:75: note: expected ‘i915_reg_t {aka struct &lt;anonymous&gt;}’ but argument is of type ‘int’
 #define I915_WRITE(reg, val) dev_priv-&gt;uncore.funcs.mmio_writel(dev_priv, (reg), (val), true)
                                                                           ^
drivers/gpu/drm/i915/icl_dsi.c:247:3: note: in expansion of macro ‘I915_WRITE’
   I915_WRITE(ICL_PORT_TX_DW7_AUX(port), tmp);
   ^~~~~~~~~~
cc1: all warnings being treated as errors
scripts/Makefile.build:291: recipe for target 'drivers/gpu/drm/i915/icl_dsi.o' failed
make[4]: *** [drivers/gpu/drm/i915/icl_dsi.o] Error 1
scripts/Makefile.build:516: recipe for target 'drivers/gpu/drm/i915' failed
make[3]: *** [drivers/gpu/drm/i915] Error 2
scripts/Makefile.build:516: recipe for target 'drivers/gpu/drm' failed
make[2]: *** [drivers/gpu/drm] Error 2
scripts/Makefile.build:516: recipe for target 'drivers/gpu' failed
make[1]: *** [drivers/gpu] Error 2
Makefile:1060: recipe for target 'drivers' failed
make: *** [drivers] Error 2

</pre>
    </blockquote>
  </body>
</html>
Rodrigo Vivi Dec. 14, 2018, 10:15 p.m. UTC | #2
On Fri, Dec 14, 2018 at 11:34:13AM -0800, Clint Taylor wrote:
>    Oops, failure caused by ICL_PORT_TX_DW7 not being defined yet. Still
>    waiting on r-b for a patch that includes the DW7 definition.

I believe it is easier to re-send both patches together. Specially
because apparently one justifies the other... Just preserve the authorship
and add your sign-off on the other patch and send as a series.

Thanks,
Rodrigo.

> 
>    -Clint
> 
>    On 12/14/18 10:15, Patchwork wrote:
> 
> == Series Details ==
> 
> Series: drm/i915/dsi: Add PORT_TX_DW7 programming to DSI vswing sequence
> URL   : [1]https://patchwork.freedesktop.org/series/54069/
> State : failure
> 
> == Summary ==
> 
> CALL    scripts/checksyscalls.sh
>   DESCEND  objtool
>   CHK     include/generated/compile.h
>   CC [M]  drivers/gpu/drm/i915/icl_dsi.o
> In file included from drivers/gpu/drm/i915/intel_drv.h:33:0,
>                  from drivers/gpu/drm/i915/intel_dsi.h:30,
>                  from drivers/gpu/drm/i915/icl_dsi.c:30:
> drivers/gpu/drm/i915/icl_dsi.c: In function ‘dsi_program_swing_and_deemphasis’:
> drivers/gpu/drm/i915/icl_dsi.c:239:19: error: implicit declaration of function ‘
> ICL_PORT_TX_DW7_LN0’; did you mean ‘ICL_PORT_TX_DW4_LN0’? [-Werror=implicit-func
> tion-declaration]
>    tmp = I915_READ(ICL_PORT_TX_DW7_LN0(port));
>                    ^
> drivers/gpu/drm/i915/i915_drv.h:3438:70: note: in definition of macro ‘I915_READ
> ’
>  #define I915_READ(reg)  dev_priv->uncore.funcs.mmio_readl(dev_priv, (reg), true
> )
>                                                                       ^~~
> drivers/gpu/drm/i915/i915_drv.h:3438:69: error: incompatible type for argument 2
>  of ‘dev_priv->uncore.funcs.mmio_readl’
>  #define I915_READ(reg)  dev_priv->uncore.funcs.mmio_readl(dev_priv, (reg), true
> )
>                                                                      ^
> drivers/gpu/drm/i915/icl_dsi.c:239:9: note: in expansion of macro ‘I915_READ’
>    tmp = I915_READ(ICL_PORT_TX_DW7_LN0(port));
>          ^~~~~~~~~
> drivers/gpu/drm/i915/i915_drv.h:3438:69: note: expected ‘i915_reg_t {aka struct
> <anonymous>}’ but argument is of type ‘int’
>  #define I915_READ(reg)  dev_priv->uncore.funcs.mmio_readl(dev_priv, (reg), true
> )
>                                                                      ^
> drivers/gpu/drm/i915/icl_dsi.c:239:9: note: in expansion of macro ‘I915_READ’
>    tmp = I915_READ(ICL_PORT_TX_DW7_LN0(port));
>          ^~~~~~~~~
> drivers/gpu/drm/i915/icl_dsi.c:242:14: error: implicit declaration of function ‘
> ICL_PORT_TX_DW7_GRP’; did you mean ‘ICL_PORT_TX_DW5_GRP’? [-Werror=implicit-func
> tion-declaration]
>    I915_WRITE(ICL_PORT_TX_DW7_GRP(port), tmp);
>               ^
> drivers/gpu/drm/i915/i915_drv.h:3439:76: note: in definition of macro ‘I915_WRIT
> E’
>  #define I915_WRITE(reg, val) dev_priv->uncore.funcs.mmio_writel(dev_priv, (reg)
> , (val), true)
>                                                                             ^~~
> drivers/gpu/drm/i915/i915_drv.h:3439:75: error: incompatible type for argument 2
>  of ‘dev_priv->uncore.funcs.mmio_writel’
>  #define I915_WRITE(reg, val) dev_priv->uncore.funcs.mmio_writel(dev_priv, (reg)
> , (val), true)
>                                                                            ^
> drivers/gpu/drm/i915/icl_dsi.c:242:3: note: in expansion of macro ‘I915_WRITE’
>    I915_WRITE(ICL_PORT_TX_DW7_GRP(port), tmp);
>    ^~~~~~~~~~
> drivers/gpu/drm/i915/i915_drv.h:3439:75: note: expected ‘i915_reg_t {aka struct
> <anonymous>}’ but argument is of type ‘int’
>  #define I915_WRITE(reg, val) dev_priv->uncore.funcs.mmio_writel(dev_priv, (reg)
> , (val), true)
>                                                                            ^
> drivers/gpu/drm/i915/icl_dsi.c:242:3: note: in expansion of macro ‘I915_WRITE’
>    I915_WRITE(ICL_PORT_TX_DW7_GRP(port), tmp);
>    ^~~~~~~~~~
> drivers/gpu/drm/i915/icl_dsi.c:244:19: error: implicit declaration of function ‘
> ICL_PORT_TX_DW7_AUX’; did you mean ‘ICL_PORT_TX_DW2_AUX’? [-Werror=implicit-func
> tion-declaration]
>    tmp = I915_READ(ICL_PORT_TX_DW7_AUX(port));
>                    ^
> drivers/gpu/drm/i915/i915_drv.h:3438:70: note: in definition of macro ‘I915_READ
> ’
>  #define I915_READ(reg)  dev_priv->uncore.funcs.mmio_readl(dev_priv, (reg), true
> )
>                                                                       ^~~
> drivers/gpu/drm/i915/i915_drv.h:3438:69: error: incompatible type for argument 2
>  of ‘dev_priv->uncore.funcs.mmio_readl’
>  #define I915_READ(reg)  dev_priv->uncore.funcs.mmio_readl(dev_priv, (reg), true
> )
>                                                                      ^
> drivers/gpu/drm/i915/icl_dsi.c:244:9: note: in expansion of macro ‘I915_READ’
>    tmp = I915_READ(ICL_PORT_TX_DW7_AUX(port));
>          ^~~~~~~~~
> drivers/gpu/drm/i915/i915_drv.h:3438:69: note: expected ‘i915_reg_t {aka struct
> <anonymous>}’ but argument is of type ‘int’
>  #define I915_READ(reg)  dev_priv->uncore.funcs.mmio_readl(dev_priv, (reg), true
> )
>                                                                      ^
> drivers/gpu/drm/i915/icl_dsi.c:244:9: note: in expansion of macro ‘I915_READ’
>    tmp = I915_READ(ICL_PORT_TX_DW7_AUX(port));
>          ^~~~~~~~~
> drivers/gpu/drm/i915/i915_drv.h:3439:75: error: incompatible type for argument 2
>  of ‘dev_priv->uncore.funcs.mmio_writel’
>  #define I915_WRITE(reg, val) dev_priv->uncore.funcs.mmio_writel(dev_priv, (reg)
> , (val), true)
>                                                                            ^
> drivers/gpu/drm/i915/icl_dsi.c:247:3: note: in expansion of macro ‘I915_WRITE’
>    I915_WRITE(ICL_PORT_TX_DW7_AUX(port), tmp);
>    ^~~~~~~~~~
> drivers/gpu/drm/i915/i915_drv.h:3439:75: note: expected ‘i915_reg_t {aka struct
> <anonymous>}’ but argument is of type ‘int’
>  #define I915_WRITE(reg, val) dev_priv->uncore.funcs.mmio_writel(dev_priv, (reg)
> , (val), true)
>                                                                            ^
> drivers/gpu/drm/i915/icl_dsi.c:247:3: note: in expansion of macro ‘I915_WRITE’
>    I915_WRITE(ICL_PORT_TX_DW7_AUX(port), tmp);
>    ^~~~~~~~~~
> cc1: all warnings being treated as errors
> scripts/Makefile.build:291: recipe for target 'drivers/gpu/drm/i915/icl_dsi.o' f
> ailed
> make[4]: *** [drivers/gpu/drm/i915/icl_dsi.o] Error 1
> scripts/Makefile.build:516: recipe for target 'drivers/gpu/drm/i915' failed
> make[3]: *** [drivers/gpu/drm/i915] Error 2
> scripts/Makefile.build:516: recipe for target 'drivers/gpu/drm' failed
> make[2]: *** [drivers/gpu/drm] Error 2
> scripts/Makefile.build:516: recipe for target 'drivers/gpu' failed
> make[1]: *** [drivers/gpu] Error 2
> Makefile:1060: recipe for target 'drivers' failed
> make: *** [drivers] Error 2
> 
> References
> 
>    1. https://patchwork.freedesktop.org/series/54069/

> _______________________________________________
> Intel-gfx mailing list
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kernel test robot Dec. 15, 2018, 2:58 a.m. UTC | #3
Hi Clint,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on drm-intel/for-linux-next]
[also build test ERROR on next-20181214]
[cannot apply to v4.20-rc6]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/clinton-a-taylor-intel-com/drm-i915-dsi-Add-PORT_TX_DW7-programming-to-DSI-vswing-sequence/20181215-101421
base:   git://anongit.freedesktop.org/drm-intel for-linux-next
config: x86_64-randconfig-x013-201849 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All error/warnings (new ones prefixed by >>):

   In file included from drivers/gpu/drm/i915/intel_drv.h:33:0,
                    from drivers/gpu/drm/i915/intel_dsi.h:30,
                    from drivers/gpu/drm/i915/icl_dsi.c:30:
   drivers/gpu/drm/i915/icl_dsi.c: In function 'dsi_program_swing_and_deemphasis':
>> drivers/gpu/drm/i915/icl_dsi.c:239:19: error: implicit declaration of function 'ICL_PORT_TX_DW7_LN0'; did you mean 'ICL_PORT_TX_DW4_LN0'? [-Werror=implicit-function-declaration]
      tmp = I915_READ(ICL_PORT_TX_DW7_LN0(port));
                      ^
   drivers/gpu/drm/i915/i915_drv.h:3452:70: note: in definition of macro 'I915_READ'
    #define I915_READ(reg)  dev_priv->uncore.funcs.mmio_readl(dev_priv, (reg), true)
                                                                         ^~~
>> drivers/gpu/drm/i915/i915_drv.h:3452:69: error: incompatible type for argument 2 of 'dev_priv->uncore.funcs.mmio_readl'
    #define I915_READ(reg)  dev_priv->uncore.funcs.mmio_readl(dev_priv, (reg), true)
                                                                        ^
>> drivers/gpu/drm/i915/icl_dsi.c:239:9: note: in expansion of macro 'I915_READ'
      tmp = I915_READ(ICL_PORT_TX_DW7_LN0(port));
            ^~~~~~~~~
   drivers/gpu/drm/i915/i915_drv.h:3452:69: note: expected 'i915_reg_t {aka struct <anonymous>}' but argument is of type 'int'
    #define I915_READ(reg)  dev_priv->uncore.funcs.mmio_readl(dev_priv, (reg), true)
                                                                        ^
>> drivers/gpu/drm/i915/icl_dsi.c:239:9: note: in expansion of macro 'I915_READ'
      tmp = I915_READ(ICL_PORT_TX_DW7_LN0(port));
            ^~~~~~~~~
>> drivers/gpu/drm/i915/icl_dsi.c:242:14: error: implicit declaration of function 'ICL_PORT_TX_DW7_GRP'; did you mean 'ICL_PORT_TX_DW5_GRP'? [-Werror=implicit-function-declaration]
      I915_WRITE(ICL_PORT_TX_DW7_GRP(port), tmp);
                 ^
   drivers/gpu/drm/i915/i915_drv.h:3453:76: note: in definition of macro 'I915_WRITE'
    #define I915_WRITE(reg, val) dev_priv->uncore.funcs.mmio_writel(dev_priv, (reg), (val), true)
                                                                               ^~~
>> drivers/gpu/drm/i915/i915_drv.h:3453:75: error: incompatible type for argument 2 of 'dev_priv->uncore.funcs.mmio_writel'
    #define I915_WRITE(reg, val) dev_priv->uncore.funcs.mmio_writel(dev_priv, (reg), (val), true)
                                                                              ^
>> drivers/gpu/drm/i915/icl_dsi.c:242:3: note: in expansion of macro 'I915_WRITE'
      I915_WRITE(ICL_PORT_TX_DW7_GRP(port), tmp);
      ^~~~~~~~~~
   drivers/gpu/drm/i915/i915_drv.h:3453:75: note: expected 'i915_reg_t {aka struct <anonymous>}' but argument is of type 'int'
    #define I915_WRITE(reg, val) dev_priv->uncore.funcs.mmio_writel(dev_priv, (reg), (val), true)
                                                                              ^
>> drivers/gpu/drm/i915/icl_dsi.c:242:3: note: in expansion of macro 'I915_WRITE'
      I915_WRITE(ICL_PORT_TX_DW7_GRP(port), tmp);
      ^~~~~~~~~~
>> drivers/gpu/drm/i915/icl_dsi.c:244:19: error: implicit declaration of function 'ICL_PORT_TX_DW7_AUX'; did you mean 'ICL_PORT_TX_DW2_AUX'? [-Werror=implicit-function-declaration]
      tmp = I915_READ(ICL_PORT_TX_DW7_AUX(port));
                      ^
   drivers/gpu/drm/i915/i915_drv.h:3452:70: note: in definition of macro 'I915_READ'
    #define I915_READ(reg)  dev_priv->uncore.funcs.mmio_readl(dev_priv, (reg), true)
                                                                         ^~~
>> drivers/gpu/drm/i915/i915_drv.h:3452:69: error: incompatible type for argument 2 of 'dev_priv->uncore.funcs.mmio_readl'
    #define I915_READ(reg)  dev_priv->uncore.funcs.mmio_readl(dev_priv, (reg), true)
                                                                        ^
   drivers/gpu/drm/i915/icl_dsi.c:244:9: note: in expansion of macro 'I915_READ'
      tmp = I915_READ(ICL_PORT_TX_DW7_AUX(port));
            ^~~~~~~~~
   drivers/gpu/drm/i915/i915_drv.h:3452:69: note: expected 'i915_reg_t {aka struct <anonymous>}' but argument is of type 'int'
    #define I915_READ(reg)  dev_priv->uncore.funcs.mmio_readl(dev_priv, (reg), true)
                                                                        ^
   drivers/gpu/drm/i915/icl_dsi.c:244:9: note: in expansion of macro 'I915_READ'
      tmp = I915_READ(ICL_PORT_TX_DW7_AUX(port));
            ^~~~~~~~~
>> drivers/gpu/drm/i915/i915_drv.h:3453:75: error: incompatible type for argument 2 of 'dev_priv->uncore.funcs.mmio_writel'
    #define I915_WRITE(reg, val) dev_priv->uncore.funcs.mmio_writel(dev_priv, (reg), (val), true)
                                                                              ^
   drivers/gpu/drm/i915/icl_dsi.c:247:3: note: in expansion of macro 'I915_WRITE'
      I915_WRITE(ICL_PORT_TX_DW7_AUX(port), tmp);
      ^~~~~~~~~~
   drivers/gpu/drm/i915/i915_drv.h:3453:75: note: expected 'i915_reg_t {aka struct <anonymous>}' but argument is of type 'int'
    #define I915_WRITE(reg, val) dev_priv->uncore.funcs.mmio_writel(dev_priv, (reg), (val), true)
                                                                              ^
   drivers/gpu/drm/i915/icl_dsi.c:247:3: note: in expansion of macro 'I915_WRITE'
      I915_WRITE(ICL_PORT_TX_DW7_AUX(port), tmp);
      ^~~~~~~~~~
   cc1: some warnings being treated as errors

vim +239 drivers/gpu/drm/i915/icl_dsi.c

   194	
   195	static void dsi_program_swing_and_deemphasis(struct intel_encoder *encoder)
   196	{
   197		struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
   198		struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
   199		enum port port;
   200		u32 tmp;
   201		int lane;
   202	
   203		for_each_dsi_port(port, intel_dsi->ports) {
   204	
   205			/*
   206			 * Program voltage swing and pre-emphasis level values as per
   207			 * table in BSPEC under DDI buffer programing
   208			 */
   209			tmp = I915_READ(ICL_PORT_TX_DW5_LN0(port));
   210			tmp &= ~(SCALING_MODE_SEL_MASK | RTERM_SELECT_MASK);
   211			tmp |= SCALING_MODE_SEL(0x2);
   212			tmp |= TAP2_DISABLE | TAP3_DISABLE;
   213			tmp |= RTERM_SELECT(0x6);
   214			I915_WRITE(ICL_PORT_TX_DW5_GRP(port), tmp);
   215	
   216			tmp = I915_READ(ICL_PORT_TX_DW5_AUX(port));
   217			tmp &= ~(SCALING_MODE_SEL_MASK | RTERM_SELECT_MASK);
   218			tmp |= SCALING_MODE_SEL(0x2);
   219			tmp |= TAP2_DISABLE | TAP3_DISABLE;
   220			tmp |= RTERM_SELECT(0x6);
   221			I915_WRITE(ICL_PORT_TX_DW5_AUX(port), tmp);
   222	
   223			tmp = I915_READ(ICL_PORT_TX_DW2_LN0(port));
   224			tmp &= ~(SWING_SEL_LOWER_MASK | SWING_SEL_UPPER_MASK |
   225				 RCOMP_SCALAR_MASK);
   226			tmp |= SWING_SEL_UPPER(0x2);
   227			tmp |= SWING_SEL_LOWER(0x2);
   228			tmp |= RCOMP_SCALAR(0x98);
   229			I915_WRITE(ICL_PORT_TX_DW2_GRP(port), tmp);
   230	
   231			tmp = I915_READ(ICL_PORT_TX_DW2_AUX(port));
   232			tmp &= ~(SWING_SEL_LOWER_MASK | SWING_SEL_UPPER_MASK |
   233				 RCOMP_SCALAR_MASK);
   234			tmp |= SWING_SEL_UPPER(0x2);
   235			tmp |= SWING_SEL_LOWER(0x2);
   236			tmp |= RCOMP_SCALAR(0x98);
   237			I915_WRITE(ICL_PORT_TX_DW2_AUX(port), tmp);
   238	
 > 239			tmp = I915_READ(ICL_PORT_TX_DW7_LN0(port));
   240			tmp &= ~(N_SCALAR_MASK);
   241			tmp |= N_SCALAR(0x7f);
 > 242			I915_WRITE(ICL_PORT_TX_DW7_GRP(port), tmp);
   243	
 > 244			tmp = I915_READ(ICL_PORT_TX_DW7_AUX(port));
   245			tmp &= ~(N_SCALAR_MASK);
   246			tmp |= N_SCALAR(0x7f);
   247			I915_WRITE(ICL_PORT_TX_DW7_AUX(port), tmp);
   248	
   249			tmp = I915_READ(ICL_PORT_TX_DW4_AUX(port));
   250			tmp &= ~(POST_CURSOR_1_MASK | POST_CURSOR_2_MASK |
   251				 CURSOR_COEFF_MASK);
   252			tmp |= POST_CURSOR_1(0x0);
   253			tmp |= POST_CURSOR_2(0x0);
   254			tmp |= CURSOR_COEFF(0x3f);
   255			I915_WRITE(ICL_PORT_TX_DW4_AUX(port), tmp);
   256	
   257			for (lane = 0; lane <= 3; lane++) {
   258				/* Bspec: must not use GRP register for write */
   259				tmp = I915_READ(ICL_PORT_TX_DW4_LN(port, lane));
   260				tmp &= ~(POST_CURSOR_1_MASK | POST_CURSOR_2_MASK |
   261					 CURSOR_COEFF_MASK);
   262				tmp |= POST_CURSOR_1(0x0);
   263				tmp |= POST_CURSOR_2(0x0);
   264				tmp |= CURSOR_COEFF(0x3f);
   265				I915_WRITE(ICL_PORT_TX_DW4_LN(port, lane), tmp);
   266			}
   267		}
   268	}
   269	

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
kernel test robot Dec. 16, 2018, 2:33 a.m. UTC | #4
Hi Clint,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on drm-intel/for-linux-next]
[also build test ERROR on next-20181214]
[cannot apply to v4.20-rc6]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/clinton-a-taylor-intel-com/drm-i915-dsi-Add-PORT_TX_DW7-programming-to-DSI-vswing-sequence/20181215-101421
base:   git://anongit.freedesktop.org/drm-intel for-linux-next
config: x86_64-allmodconfig (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

   In file included from drivers/gpu/drm/i915/intel_drv.h:33:0,
                    from drivers/gpu/drm/i915/intel_dsi.h:30,
                    from drivers/gpu/drm/i915/icl_dsi.c:30:
   drivers/gpu/drm/i915/icl_dsi.c: In function 'dsi_program_swing_and_deemphasis':
   drivers/gpu/drm/i915/icl_dsi.c:239:19: error: implicit declaration of function 'ICL_PORT_TX_DW7_LN0'; did you mean 'ICL_PORT_TX_DW4_LN0'? [-Werror=implicit-function-declaration]
      tmp = I915_READ(ICL_PORT_TX_DW7_LN0(port));
                      ^
   drivers/gpu/drm/i915/i915_drv.h:3452:70: note: in definition of macro 'I915_READ'
    #define I915_READ(reg)  dev_priv->uncore.funcs.mmio_readl(dev_priv, (reg), true)
                                                                         ^~~
   drivers/gpu/drm/i915/i915_drv.h:3452:69: error: incompatible type for argument 2 of 'dev_priv->uncore.funcs.mmio_readl'
    #define I915_READ(reg)  dev_priv->uncore.funcs.mmio_readl(dev_priv, (reg), true)
                                                                        ^
   drivers/gpu/drm/i915/icl_dsi.c:239:9: note: in expansion of macro 'I915_READ'
      tmp = I915_READ(ICL_PORT_TX_DW7_LN0(port));
            ^~~~~~~~~
   drivers/gpu/drm/i915/i915_drv.h:3452:69: note: expected 'i915_reg_t {aka struct <anonymous>}' but argument is of type 'int'
    #define I915_READ(reg)  dev_priv->uncore.funcs.mmio_readl(dev_priv, (reg), true)
                                                                        ^
   drivers/gpu/drm/i915/icl_dsi.c:239:9: note: in expansion of macro 'I915_READ'
      tmp = I915_READ(ICL_PORT_TX_DW7_LN0(port));
            ^~~~~~~~~
>> drivers/gpu/drm/i915/icl_dsi.c:242:14: error: implicit declaration of function 'ICL_PORT_TX_DW7_GRP'; did you mean 'ICL_PORT_TX_DW4_GRP'? [-Werror=implicit-function-declaration]
      I915_WRITE(ICL_PORT_TX_DW7_GRP(port), tmp);
                 ^
   drivers/gpu/drm/i915/i915_drv.h:3453:76: note: in definition of macro 'I915_WRITE'
    #define I915_WRITE(reg, val) dev_priv->uncore.funcs.mmio_writel(dev_priv, (reg), (val), true)
                                                                               ^~~
   drivers/gpu/drm/i915/i915_drv.h:3453:75: error: incompatible type for argument 2 of 'dev_priv->uncore.funcs.mmio_writel'
    #define I915_WRITE(reg, val) dev_priv->uncore.funcs.mmio_writel(dev_priv, (reg), (val), true)
                                                                              ^
   drivers/gpu/drm/i915/icl_dsi.c:242:3: note: in expansion of macro 'I915_WRITE'
      I915_WRITE(ICL_PORT_TX_DW7_GRP(port), tmp);
      ^~~~~~~~~~
   drivers/gpu/drm/i915/i915_drv.h:3453:75: note: expected 'i915_reg_t {aka struct <anonymous>}' but argument is of type 'int'
    #define I915_WRITE(reg, val) dev_priv->uncore.funcs.mmio_writel(dev_priv, (reg), (val), true)
                                                                              ^
   drivers/gpu/drm/i915/icl_dsi.c:242:3: note: in expansion of macro 'I915_WRITE'
      I915_WRITE(ICL_PORT_TX_DW7_GRP(port), tmp);
      ^~~~~~~~~~
   drivers/gpu/drm/i915/icl_dsi.c:244:19: error: implicit declaration of function 'ICL_PORT_TX_DW7_AUX'; did you mean 'ICL_PORT_TX_DW2_AUX'? [-Werror=implicit-function-declaration]
      tmp = I915_READ(ICL_PORT_TX_DW7_AUX(port));
                      ^
   drivers/gpu/drm/i915/i915_drv.h:3452:70: note: in definition of macro 'I915_READ'
    #define I915_READ(reg)  dev_priv->uncore.funcs.mmio_readl(dev_priv, (reg), true)
                                                                         ^~~
   drivers/gpu/drm/i915/i915_drv.h:3452:69: error: incompatible type for argument 2 of 'dev_priv->uncore.funcs.mmio_readl'
    #define I915_READ(reg)  dev_priv->uncore.funcs.mmio_readl(dev_priv, (reg), true)
                                                                        ^
   drivers/gpu/drm/i915/icl_dsi.c:244:9: note: in expansion of macro 'I915_READ'
      tmp = I915_READ(ICL_PORT_TX_DW7_AUX(port));
            ^~~~~~~~~
   drivers/gpu/drm/i915/i915_drv.h:3452:69: note: expected 'i915_reg_t {aka struct <anonymous>}' but argument is of type 'int'
    #define I915_READ(reg)  dev_priv->uncore.funcs.mmio_readl(dev_priv, (reg), true)
                                                                        ^
   drivers/gpu/drm/i915/icl_dsi.c:244:9: note: in expansion of macro 'I915_READ'
      tmp = I915_READ(ICL_PORT_TX_DW7_AUX(port));
            ^~~~~~~~~
   drivers/gpu/drm/i915/i915_drv.h:3453:75: error: incompatible type for argument 2 of 'dev_priv->uncore.funcs.mmio_writel'
    #define I915_WRITE(reg, val) dev_priv->uncore.funcs.mmio_writel(dev_priv, (reg), (val), true)
                                                                              ^
   drivers/gpu/drm/i915/icl_dsi.c:247:3: note: in expansion of macro 'I915_WRITE'
      I915_WRITE(ICL_PORT_TX_DW7_AUX(port), tmp);
      ^~~~~~~~~~
   drivers/gpu/drm/i915/i915_drv.h:3453:75: note: expected 'i915_reg_t {aka struct <anonymous>}' but argument is of type 'int'
    #define I915_WRITE(reg, val) dev_priv->uncore.funcs.mmio_writel(dev_priv, (reg), (val), true)
                                                                              ^
   drivers/gpu/drm/i915/icl_dsi.c:247:3: note: in expansion of macro 'I915_WRITE'
      I915_WRITE(ICL_PORT_TX_DW7_AUX(port), tmp);
      ^~~~~~~~~~
   cc1: some warnings being treated as errors

vim +242 drivers/gpu/drm/i915/icl_dsi.c

   194	
   195	static void dsi_program_swing_and_deemphasis(struct intel_encoder *encoder)
   196	{
   197		struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
   198		struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
   199		enum port port;
   200		u32 tmp;
   201		int lane;
   202	
   203		for_each_dsi_port(port, intel_dsi->ports) {
   204	
   205			/*
   206			 * Program voltage swing and pre-emphasis level values as per
   207			 * table in BSPEC under DDI buffer programing
   208			 */
   209			tmp = I915_READ(ICL_PORT_TX_DW5_LN0(port));
   210			tmp &= ~(SCALING_MODE_SEL_MASK | RTERM_SELECT_MASK);
   211			tmp |= SCALING_MODE_SEL(0x2);
   212			tmp |= TAP2_DISABLE | TAP3_DISABLE;
   213			tmp |= RTERM_SELECT(0x6);
   214			I915_WRITE(ICL_PORT_TX_DW5_GRP(port), tmp);
   215	
   216			tmp = I915_READ(ICL_PORT_TX_DW5_AUX(port));
   217			tmp &= ~(SCALING_MODE_SEL_MASK | RTERM_SELECT_MASK);
   218			tmp |= SCALING_MODE_SEL(0x2);
   219			tmp |= TAP2_DISABLE | TAP3_DISABLE;
   220			tmp |= RTERM_SELECT(0x6);
   221			I915_WRITE(ICL_PORT_TX_DW5_AUX(port), tmp);
   222	
   223			tmp = I915_READ(ICL_PORT_TX_DW2_LN0(port));
   224			tmp &= ~(SWING_SEL_LOWER_MASK | SWING_SEL_UPPER_MASK |
   225				 RCOMP_SCALAR_MASK);
   226			tmp |= SWING_SEL_UPPER(0x2);
   227			tmp |= SWING_SEL_LOWER(0x2);
   228			tmp |= RCOMP_SCALAR(0x98);
   229			I915_WRITE(ICL_PORT_TX_DW2_GRP(port), tmp);
   230	
   231			tmp = I915_READ(ICL_PORT_TX_DW2_AUX(port));
   232			tmp &= ~(SWING_SEL_LOWER_MASK | SWING_SEL_UPPER_MASK |
   233				 RCOMP_SCALAR_MASK);
   234			tmp |= SWING_SEL_UPPER(0x2);
   235			tmp |= SWING_SEL_LOWER(0x2);
   236			tmp |= RCOMP_SCALAR(0x98);
   237			I915_WRITE(ICL_PORT_TX_DW2_AUX(port), tmp);
   238	
 > 239			tmp = I915_READ(ICL_PORT_TX_DW7_LN0(port));
   240			tmp &= ~(N_SCALAR_MASK);
   241			tmp |= N_SCALAR(0x7f);
 > 242			I915_WRITE(ICL_PORT_TX_DW7_GRP(port), tmp);
   243	
   244			tmp = I915_READ(ICL_PORT_TX_DW7_AUX(port));
   245			tmp &= ~(N_SCALAR_MASK);
   246			tmp |= N_SCALAR(0x7f);
   247			I915_WRITE(ICL_PORT_TX_DW7_AUX(port), tmp);
   248	
   249			tmp = I915_READ(ICL_PORT_TX_DW4_AUX(port));
   250			tmp &= ~(POST_CURSOR_1_MASK | POST_CURSOR_2_MASK |
   251				 CURSOR_COEFF_MASK);
   252			tmp |= POST_CURSOR_1(0x0);
   253			tmp |= POST_CURSOR_2(0x0);
   254			tmp |= CURSOR_COEFF(0x3f);
   255			I915_WRITE(ICL_PORT_TX_DW4_AUX(port), tmp);
   256	
   257			for (lane = 0; lane <= 3; lane++) {
   258				/* Bspec: must not use GRP register for write */
   259				tmp = I915_READ(ICL_PORT_TX_DW4_LN(port, lane));
   260				tmp &= ~(POST_CURSOR_1_MASK | POST_CURSOR_2_MASK |
   261					 CURSOR_COEFF_MASK);
   262				tmp |= POST_CURSOR_1(0x0);
   263				tmp |= POST_CURSOR_2(0x0);
   264				tmp |= CURSOR_COEFF(0x3f);
   265				I915_WRITE(ICL_PORT_TX_DW4_LN(port, lane), tmp);
   266			}
   267		}
   268	}
   269	

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
diff mbox series

Patch

diff --git a/drivers/gpu/drm/i915/icl_dsi.c b/drivers/gpu/drm/i915/icl_dsi.c
index 4dd793b..f57aa0d 100644
--- a/drivers/gpu/drm/i915/icl_dsi.c
+++ b/drivers/gpu/drm/i915/icl_dsi.c
@@ -236,6 +236,16 @@  static void dsi_program_swing_and_deemphasis(struct intel_encoder *encoder)
 		tmp |= RCOMP_SCALAR(0x98);
 		I915_WRITE(ICL_PORT_TX_DW2_AUX(port), tmp);
 
+		tmp = I915_READ(ICL_PORT_TX_DW7_LN0(port));
+		tmp &= ~(N_SCALAR_MASK);
+		tmp |= N_SCALAR(0x7f);
+		I915_WRITE(ICL_PORT_TX_DW7_GRP(port), tmp);
+
+		tmp = I915_READ(ICL_PORT_TX_DW7_AUX(port));
+		tmp &= ~(N_SCALAR_MASK);
+		tmp |= N_SCALAR(0x7f);
+		I915_WRITE(ICL_PORT_TX_DW7_AUX(port), tmp);
+
 		tmp = I915_READ(ICL_PORT_TX_DW4_AUX(port));
 		tmp &= ~(POST_CURSOR_1_MASK | POST_CURSOR_2_MASK |
 			 CURSOR_COEFF_MASK);