RE: [PATCH] drm/i915/display: clean up DP Adaptive Sync SDP state mismatch logging

[Jani Nikula <jani.nikula@xxxxxxxxx>]

On Tue, 10 Dec 2024, "Golani, Mitulkumar Ajitkumar" <mitulkumar.ajitkumar.golani@xxxxxxxxx> wrote:
>> -----Original Message-----
>> From: Intel-gfx <intel-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of Jani
>> Nikula
>> Sent: 05 December 2024 15:01
>> To: intel-gfx@xxxxxxxxxxxxxxxxxxxxx; intel-xe@xxxxxxxxxxxxxxxxxxxxx
>> Cc: Nikula, Jani <jani.nikula@xxxxxxxxx>
>> Subject: [PATCH] drm/i915/display: clean up DP Adaptive Sync SDP state
>> mismatch logging
>>
>> Pass the drm_printer from intel_pipe_config_compare(), and use it for
>> logging, along with pipe_config_mismatch(), to simplify and unify.
>>
>> While at it, differentiate the VSC and AS SDP log texts from each other.
>>
>> Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
>> ---
>>  drivers/gpu/drm/i915/display/intel_display.c | 29 +++++++-------------
>>  1 file changed, 10 insertions(+), 19 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/i915/display/intel_display.c
>> b/drivers/gpu/drm/i915/display/intel_display.c
>> index 28c1b372cc95..1159f8c3d206 100644
>> --- a/drivers/gpu/drm/i915/display/intel_display.c
>> +++ b/drivers/gpu/drm/i915/display/intel_display.c
>> @@ -5216,7 +5216,7 @@ pipe_config_dp_vsc_sdp_mismatch(struct
>> drm_printer *p, bool fastset,
>>                               const struct drm_dp_vsc_sdp *a,
>>                               const struct drm_dp_vsc_sdp *b)
>>  {
>> -     pipe_config_mismatch(p, fastset, crtc, name, "dp sdp");
>> +     pipe_config_mismatch(p, fastset, crtc, name, "dp vsc sdp");
>>
>>       drm_printf(p, "expected:\n");
>>       drm_dp_vsc_sdp_log(p, a);
>> @@ -5225,27 +5225,18 @@ pipe_config_dp_vsc_sdp_mismatch(struct
>> drm_printer *p, bool fastset,  }
>>
>>  static void
>> -pipe_config_dp_as_sdp_mismatch(struct drm_i915_private *i915,
>> -                            bool fastset, const char *name,
>> +pipe_config_dp_as_sdp_mismatch(struct drm_printer *p, bool fastset,
>> +                            const struct intel_crtc *crtc,
>> +                            const char *name,
>>                              const struct drm_dp_as_sdp *a,
>>                              const struct drm_dp_as_sdp *b)  {
>> -     struct drm_printer p;
>> +     pipe_config_mismatch(p, fastset, crtc, name, "dp as sdp");
>>
>> -     if (fastset) {
>> -             p = drm_dbg_printer(&i915->drm, DRM_UT_KMS, NULL);
>> -
>> -             drm_printf(&p, "fastset requirement not met in %s dp
>> sdp\n", name);
>> -     } else {
>> -             p = drm_err_printer(&i915->drm, NULL);
>> -
>> -             drm_printf(&p, "mismatch in %s dp sdp\n", name);
>> -     }
>> -
>> -     drm_printf(&p, "expected:\n");
>> -     drm_dp_as_sdp_log(&p, a);
>> -     drm_printf(&p, "found:\n");
>> -     drm_dp_as_sdp_log(&p, b);
>> +     drm_printf(p, "expected:\n");
>> +     drm_dp_as_sdp_log(p, a);
>> +     drm_printf(p, "found:\n");
>> +     drm_dp_as_sdp_log(p, b);
>
> Reviewed-by: Mitul Golani <mitulkumar.ajitkumar.golani@xxxxxxxxx>

Thanks for the review, pushed to drm-intel-next.

BR,
Jani.


>>  }
>>
>>  /* Returns the length up to and including the last differing byte */ @@ -
>> 5507,7 +5498,7 @@ intel_pipe_config_compare(const struct intel_crtc_state
>> *current_config,  #define PIPE_CONF_CHECK_DP_AS_SDP(name) do { \
>>       if (!intel_compare_dp_as_sdp(&current_config->infoframes.name, \
>>                                     &pipe_config->infoframes.name)) { \
>> -             pipe_config_dp_as_sdp_mismatch(dev_priv, fastset,
>> __stringify(name), \
>> +             pipe_config_dp_as_sdp_mismatch(&p, fastset, crtc,
>> __stringify(name),
>> +\
>>                                               &current_config-
>> >infoframes.name, \
>>                                               &pipe_config-
>> >infoframes.name); \
>>               ret = false; \
>> --
>> 2.39.5
>

-- 
Jani Nikula, Intel