On Thu, 15 Feb 2024, Ville Syrjala <[email protected]> wrote:
> From: Ville Syrjälä <[email protected]>
>
> Just call pipe_config_mismatch() from all the more specialized
> mismatch() functions instead of hand rolling the same printfs
> all over.
>
> Signed-off-by: Ville Syrjälä <[email protected]>
> ---
>  drivers/gpu/drm/i915/display/intel_display.c | 45 +++++---------------
>  1 file changed, 10 insertions(+), 35 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_display.c 
> b/drivers/gpu/drm/i915/display/intel_display.c
> index a9dd3632898c..26580d4aef2d 100644
> --- a/drivers/gpu/drm/i915/display/intel_display.c
> +++ b/drivers/gpu/drm/i915/display/intel_display.c
> @@ -4826,17 +4826,13 @@ pipe_config_infoframe_mismatch(bool fastset, const 
> struct intel_crtc *crtc,
>  
>               p = drm_dbg_printer(&i915->drm, DRM_UT_KMS, NULL);
>               loglevel = KERN_DEBUG;
> -
> -             drm_printf(&p, "[CRTC:%d:%s] fastset requirement not met in %s 
> infoframe\n",
> -                        crtc->base.base.id, crtc->base.name, name);
>       } else {
>               p = drm_err_printer(&i915->drm, NULL);
>               loglevel = KERN_ERR;
> -
> -             drm_printf(&p, "[CRTC:%d:%s] mismatch in %s infoframe\n",
> -                        crtc->base.base.id, crtc->base.name, name);
>       }
>  
> +     pipe_config_mismatch(fastset, crtc, name, "infoframe");
> +
>       drm_printf(&p, "expected:\n");
>       hdmi_infoframe_log(loglevel, i915->drm.dev, a);
>       drm_printf(&p, "found:\n");
> @@ -4852,17 +4848,12 @@ pipe_config_dp_vsc_sdp_mismatch(bool fastset, const 
> struct intel_crtc *crtc,
>       struct drm_i915_private *i915 = to_i915(crtc->base.dev);
>       struct drm_printer p;
>  
> -     if (fastset) {
> +     if (fastset)
>               p = drm_dbg_printer(&i915->drm, DRM_UT_KMS, NULL);
> -
> -             drm_printf(&p, "[CRTC:%d:%s] fastset requirement not met in %s 
> dp sdp\n",
> -                        crtc->base.base.id, crtc->base.name, name);
> -     } else {
> +     else
>               p = drm_err_printer(&i915->drm, NULL);
>  
> -             drm_printf(&p, "[CRTC:%d:%s] mismatch in %s dp sdp\n",
> -                        crtc->base.base.id, crtc->base.name, name);
> -     }
> +     pipe_config_mismatch(fastset, crtc, name, "dp sdp");
>  
>       drm_printf(&p, "expected:\n");
>       drm_dp_vsc_sdp_log(&p, a);
> @@ -4889,27 +4880,19 @@ pipe_config_buffer_mismatch(bool fastset, const 
> struct intel_crtc *crtc,
>                           const char *name,
>                           const u8 *a, const u8 *b, size_t len)
>  {
> -     struct drm_i915_private *i915 = to_i915(crtc->base.dev);
> -     struct drm_printer p;
>       const char *loglevel;
>  
>       if (fastset) {
>               if (!drm_debug_enabled(DRM_UT_KMS))
>                       return;
>  
> -             p = drm_dbg_printer(&i915->drm, DRM_UT_KMS, NULL);
>               loglevel = KERN_DEBUG;
> -
> -             drm_printf(&p, "[CRTC:%d:%s] fastset requirement not met in %s 
> buffer\n",
> -                        crtc->base.base.id, crtc->base.name, name);
>       } else {
> -             p = drm_err_printer(&i915->drm, NULL);
>               loglevel = KERN_ERR;
> -
> -             drm_printf(&p, "[CRTC:%d:%s] mismatch in %s buffer\n",
> -                        crtc->base.base.id, crtc->base.name, name);
>       }
>  
> +     pipe_config_mismatch(fastset, crtc, name, "buffer");
> +
>       /* only dump up to the last difference */
>       len = memcmp_diff_len(a, b, len);
>  
> @@ -4929,20 +4912,12 @@ pipe_config_pll_mismatch(bool fastset,
>       struct drm_i915_private *i915 = to_i915(crtc->base.dev);
>       struct drm_printer p;
>  
> -     if (fastset) {
> -             if (!drm_debug_enabled(DRM_UT_KMS))
> -                     return;

Removing this seems misplaced.

Other than that,

Reviewed-by: Jani Nikula <[email protected]>


> -
> +     if (fastset)
>               p = drm_dbg_printer(&i915->drm, DRM_UT_KMS, NULL);
> -
> -             drm_printf(&p, "[CRTC:%d:%s] fastset requirement not met in 
> %s\n",
> -                        crtc->base.base.id, crtc->base.name, name);
> -     } else {
> +     else
>               p = drm_err_printer(&i915->drm, NULL);
>  
> -             drm_printf(&p, "[CRTC:%d:%s] mismatch in %s\n",
> -                        crtc->base.base.id, crtc->base.name, name);
> -     }
> +     pipe_config_mismatch(fastset, crtc, name, " "); /* stupid 
> -Werror=format-zero-length */
>  
>       drm_dbg_kms(&i915->drm, "expected:\n");
>       intel_dpll_dump_hw_state(i915, &p, a);

-- 
Jani Nikula, Intel

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