On Thu, 15 Feb 2024, Ville Syrjala <[email protected]> wrote:
> From: Ville Syrjälä <[email protected]>
>
> Plumb the drm_printer to all the little helpers called
> by intel_crtc_state_dump() and use it there as well.
>
> The exceptions are the ELD and infoframe stuff as they
> call helpers outside of the drm and thus can't use
> drm_printer.
>
> Signed-off-by: Ville Syrjälä <[email protected]>

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

> ---
>  .../drm/i915/display/intel_crtc_state_dump.c  | 137 ++++++++----------
>  1 file changed, 60 insertions(+), 77 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_crtc_state_dump.c 
> b/drivers/gpu/drm/i915/display/intel_crtc_state_dump.c
> index b34fb0e6e46d..b5b9b99213cf 100644
> --- a/drivers/gpu/drm/i915/display/intel_crtc_state_dump.c
> +++ b/drivers/gpu/drm/i915/display/intel_crtc_state_dump.c
> @@ -12,33 +12,31 @@
>  #include "intel_hdmi.h"
>  #include "intel_vrr.h"
>  
> -static void intel_dump_crtc_timings(struct drm_i915_private *i915,
> +static void intel_dump_crtc_timings(struct drm_printer *p,
>                                   const struct drm_display_mode *mode)
>  {
> -     drm_dbg_kms(&i915->drm, "crtc timings: clock=%d, "
> -                 "hd=%d hb=%d-%d hs=%d-%d ht=%d, "
> -                 "vd=%d vb=%d-%d vs=%d-%d vt=%d, "
> -                 "flags=0x%x\n",
> -                 mode->crtc_clock,
> -                 mode->crtc_hdisplay, mode->crtc_hblank_start, 
> mode->crtc_hblank_end,
> -                 mode->crtc_hsync_start, mode->crtc_hsync_end, 
> mode->crtc_htotal,
> -                 mode->crtc_vdisplay, mode->crtc_vblank_start, 
> mode->crtc_vblank_end,
> -                 mode->crtc_vsync_start, mode->crtc_vsync_end, 
> mode->crtc_vtotal,
> -                 mode->flags);
> +     drm_printf(p, "crtc timings: clock=%d, "
> +                "hd=%d hb=%d-%d hs=%d-%d ht=%d, "
> +                "vd=%d vb=%d-%d vs=%d-%d vt=%d, "
> +                "flags=0x%x\n",
> +                mode->crtc_clock,
> +                mode->crtc_hdisplay, mode->crtc_hblank_start, 
> mode->crtc_hblank_end,
> +                mode->crtc_hsync_start, mode->crtc_hsync_end, 
> mode->crtc_htotal,
> +                mode->crtc_vdisplay, mode->crtc_vblank_start, 
> mode->crtc_vblank_end,
> +                mode->crtc_vsync_start, mode->crtc_vsync_end, 
> mode->crtc_vtotal,
> +                mode->flags);
>  }
>  
>  static void
> -intel_dump_m_n_config(const struct intel_crtc_state *pipe_config,
> +intel_dump_m_n_config(struct drm_printer *p,
> +                   const struct intel_crtc_state *pipe_config,
>                     const char *id, unsigned int lane_count,
>                     const struct intel_link_m_n *m_n)
>  {
> -     struct drm_i915_private *i915 = to_i915(pipe_config->uapi.crtc->dev);
> -
> -     drm_dbg_kms(&i915->drm,
> -                 "%s: lanes: %i; data_m: %u, data_n: %u, link_m: %u, link_n: 
> %u, tu: %u\n",
> -                 id, lane_count,
> -                 m_n->data_m, m_n->data_n,
> -                 m_n->link_m, m_n->link_n, m_n->tu);
> +     drm_printf(p, "%s: lanes: %i; data_m: %u, data_n: %u, link_m: %u, 
> link_n: %u, tu: %u\n",
> +                id, lane_count,
> +                m_n->data_m, m_n->data_n,
> +                m_n->link_m, m_n->link_n, m_n->tu);
>  }
>  
>  static void
> @@ -52,17 +50,7 @@ intel_dump_infoframe(struct drm_i915_private *i915,
>  }
>  
>  static void
> -intel_dump_dp_vsc_sdp(struct drm_i915_private *i915,
> -                   const struct drm_dp_vsc_sdp *vsc)
> -{
> -     struct drm_printer p = drm_dbg_printer(&i915->drm, DRM_UT_KMS, NULL);
> -
> -     drm_dp_vsc_sdp_log(&p, vsc);
> -}
> -
> -static void
> -intel_dump_buffer(struct drm_i915_private *i915,
> -               const char *prefix, const u8 *buf, size_t len)
> +intel_dump_buffer(const char *prefix, const u8 *buf, size_t len)
>  {
>       if (!drm_debug_enabled(DRM_UT_KMS))
>               return;
> @@ -130,71 +118,66 @@ const char *intel_output_format_name(enum 
> intel_output_format format)
>       return output_format_str[format];
>  }
>  
> -static void intel_dump_plane_state(const struct intel_plane_state 
> *plane_state)
> +static void intel_dump_plane_state(struct drm_printer *p,
> +                                const struct intel_plane_state *plane_state)
>  {
>       struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
> -     struct drm_i915_private *i915 = to_i915(plane->base.dev);
>       const struct drm_framebuffer *fb = plane_state->hw.fb;
>  
>       if (!fb) {
> -             drm_dbg_kms(&i915->drm,
> -                         "[PLANE:%d:%s] fb: [NOFB], visible: %s\n",
> -                         plane->base.base.id, plane->base.name,
> -                         str_yes_no(plane_state->uapi.visible));
> +             drm_printf(p, "[PLANE:%d:%s] fb: [NOFB], visible: %s\n",
> +                        plane->base.base.id, plane->base.name,
> +                        str_yes_no(plane_state->uapi.visible));
>               return;
>       }
>  
> -     drm_dbg_kms(&i915->drm,
> -                 "[PLANE:%d:%s] fb: [FB:%d] %ux%u format = %p4cc modifier = 
> 0x%llx, visible: %s\n",
> -                 plane->base.base.id, plane->base.name,
> -                 fb->base.id, fb->width, fb->height, &fb->format->format,
> -                 fb->modifier, str_yes_no(plane_state->uapi.visible));
> -     drm_dbg_kms(&i915->drm, "\trotation: 0x%x, scaler: %d, scaling_filter: 
> %d\n",
> -                 plane_state->hw.rotation, plane_state->scaler_id, 
> plane_state->hw.scaling_filter);
> +     drm_printf(p, "[PLANE:%d:%s] fb: [FB:%d] %ux%u format = %p4cc modifier 
> = 0x%llx, visible: %s\n",
> +                plane->base.base.id, plane->base.name,
> +                fb->base.id, fb->width, fb->height, &fb->format->format,
> +                fb->modifier, str_yes_no(plane_state->uapi.visible));
> +     drm_printf(p, "\trotation: 0x%x, scaler: %d, scaling_filter: %d\n",
> +                plane_state->hw.rotation, plane_state->scaler_id, 
> plane_state->hw.scaling_filter);
>       if (plane_state->uapi.visible)
> -             drm_dbg_kms(&i915->drm,
> -                         "\tsrc: " DRM_RECT_FP_FMT " dst: " DRM_RECT_FMT 
> "\n",
> -                         DRM_RECT_FP_ARG(&plane_state->uapi.src),
> -                         DRM_RECT_ARG(&plane_state->uapi.dst));
> +             drm_printf(p, "\tsrc: " DRM_RECT_FP_FMT " dst: " DRM_RECT_FMT 
> "\n",
> +                        DRM_RECT_FP_ARG(&plane_state->uapi.src),
> +                        DRM_RECT_ARG(&plane_state->uapi.dst));
>  }
>  
>  static void
> -ilk_dump_csc(struct drm_i915_private *i915, const char *name,
> +ilk_dump_csc(struct drm_i915_private *i915,
> +          struct drm_printer *p,
> +          const char *name,
>            const struct intel_csc_matrix *csc)
>  {
>       int i;
>  
> -     drm_dbg_kms(&i915->drm,
> -                 "%s: pre offsets: 0x%04x 0x%04x 0x%04x\n", name,
> -                 csc->preoff[0], csc->preoff[1], csc->preoff[2]);
> +     drm_printf(p, "%s: pre offsets: 0x%04x 0x%04x 0x%04x\n", name,
> +                csc->preoff[0], csc->preoff[1], csc->preoff[2]);
>  
>       for (i = 0; i < 3; i++)
> -             drm_dbg_kms(&i915->drm,
> -                         "%s: coefficients: 0x%04x 0x%04x 0x%04x\n", name,
> -                         csc->coeff[3 * i + 0],
> -                         csc->coeff[3 * i + 1],
> -                         csc->coeff[3 * i + 2]);
> +             drm_printf(p, "%s: coefficients: 0x%04x 0x%04x 0x%04x\n", name,
> +                        csc->coeff[3 * i + 0],
> +                        csc->coeff[3 * i + 1],
> +                        csc->coeff[3 * i + 2]);
>  
>       if (DISPLAY_VER(i915) < 7)
>               return;
>  
> -     drm_dbg_kms(&i915->drm,
> -                 "%s: post offsets: 0x%04x 0x%04x 0x%04x\n", name,
> -                 csc->postoff[0], csc->postoff[1], csc->postoff[2]);
> +     drm_printf(p, "%s: post offsets: 0x%04x 0x%04x 0x%04x\n", name,
> +                csc->postoff[0], csc->postoff[1], csc->postoff[2]);
>  }
>  
>  static void
> -vlv_dump_csc(struct drm_i915_private *i915, const char *name,
> +vlv_dump_csc(struct drm_printer *p, const char *name,
>            const struct intel_csc_matrix *csc)
>  {
>       int i;
>  
>       for (i = 0; i < 3; i++)
> -             drm_dbg_kms(&i915->drm,
> -                         "%s: coefficients: 0x%04x 0x%04x 0x%04x\n", name,
> -                         csc->coeff[3 * i + 0],
> -                         csc->coeff[3 * i + 1],
> -                         csc->coeff[3 * i + 2]);
> +             drm_printf(p, "%s: coefficients: 0x%04x 0x%04x 0x%04x\n", name,
> +                        csc->coeff[3 * i + 0],
> +                        csc->coeff[3 * i + 1],
> +                        csc->coeff[3 * i + 2]);
>  }
>  
>  void intel_crtc_state_dump(const struct intel_crtc_state *pipe_config,
> @@ -247,15 +230,15 @@ void intel_crtc_state_dump(const struct 
> intel_crtc_state *pipe_config,
>                  pipe_config->splitter.pixel_overlap);
>  
>       if (pipe_config->has_pch_encoder)
> -             intel_dump_m_n_config(pipe_config, "fdi",
> +             intel_dump_m_n_config(&p, pipe_config, "fdi",
>                                     pipe_config->fdi_lanes,
>                                     &pipe_config->fdi_m_n);
>  
>       if (intel_crtc_has_dp_encoder(pipe_config)) {
> -             intel_dump_m_n_config(pipe_config, "dp m_n",
> +             intel_dump_m_n_config(&p, pipe_config, "dp m_n",
>                                     pipe_config->lane_count,
>                                     &pipe_config->dp_m_n);
> -             intel_dump_m_n_config(pipe_config, "dp m2_n2",
> +             intel_dump_m_n_config(&p, pipe_config, "dp m2_n2",
>                                     pipe_config->lane_count,
>                                     &pipe_config->dp_m2_n2);
>               drm_printf(&p, "fec: %s, enhanced framing: %s\n",
> @@ -299,10 +282,10 @@ void intel_crtc_state_dump(const struct 
> intel_crtc_state *pipe_config,
>               intel_dump_infoframe(i915, &pipe_config->infoframes.drm);
>       if (pipe_config->infoframes.enable &
>           intel_hdmi_infoframe_enable(DP_SDP_VSC))
> -             intel_dump_dp_vsc_sdp(i915, &pipe_config->infoframes.vsc);
> +             drm_dp_vsc_sdp_log(&p, &pipe_config->infoframes.vsc);
>  
>       if (pipe_config->has_audio)
> -             intel_dump_buffer(i915, "ELD: ", pipe_config->eld,
> +             intel_dump_buffer("ELD: ", pipe_config->eld,
>                                 drm_eld_size(pipe_config->eld));
>  
>       drm_printf(&p, "vrr: %s, vmin: %d, vmax: %d, pipeline full: %d, 
> guardband: %d flipline: %d, vmin vblank: %d, vmax vblank: %d\n",
> @@ -317,10 +300,10 @@ void intel_crtc_state_dump(const struct 
> intel_crtc_state *pipe_config,
>                  DRM_MODE_ARG(&pipe_config->hw.mode));
>       drm_printf(&p, "adjusted mode: " DRM_MODE_FMT "\n",
>                  DRM_MODE_ARG(&pipe_config->hw.adjusted_mode));
> -     intel_dump_crtc_timings(i915, &pipe_config->hw.adjusted_mode);
> +     intel_dump_crtc_timings(&p, &pipe_config->hw.adjusted_mode);
>       drm_printf(&p, "pipe mode: " DRM_MODE_FMT "\n",
>                  DRM_MODE_ARG(&pipe_config->hw.pipe_mode));
> -     intel_dump_crtc_timings(i915, &pipe_config->hw.pipe_mode);
> +     intel_dump_crtc_timings(&p, &pipe_config->hw.pipe_mode);
>       drm_printf(&p, "port clock: %d, pipe src: " DRM_RECT_FMT ", pixel rate 
> %d\n",
>                  pipe_config->port_clock, 
> DRM_RECT_ARG(&pipe_config->pipe_src),
>                  pipe_config->pixel_rate);
> @@ -370,14 +353,14 @@ void intel_crtc_state_dump(const struct 
> intel_crtc_state *pipe_config,
>                  drm_color_lut_size(pipe_config->post_csc_lut) : 0);
>  
>       if (DISPLAY_VER(i915) >= 11)
> -             ilk_dump_csc(i915, "output csc", &pipe_config->output_csc);
> +             ilk_dump_csc(i915, &p, "output csc", &pipe_config->output_csc);
>  
>       if (!HAS_GMCH(i915))
> -             ilk_dump_csc(i915, "pipe csc", &pipe_config->csc);
> +             ilk_dump_csc(i915, &p, "pipe csc", &pipe_config->csc);
>       else if (IS_CHERRYVIEW(i915))
> -             vlv_dump_csc(i915, "cgm csc", &pipe_config->csc);
> +             vlv_dump_csc(&p, "cgm csc", &pipe_config->csc);
>       else if (IS_VALLEYVIEW(i915))
> -             vlv_dump_csc(i915, "wgc csc", &pipe_config->csc);
> +             vlv_dump_csc(&p, "wgc csc", &pipe_config->csc);
>  
>  dump_planes:
>       if (!state)
> @@ -385,6 +368,6 @@ void intel_crtc_state_dump(const struct intel_crtc_state 
> *pipe_config,
>  
>       for_each_new_intel_plane_in_state(state, plane, plane_state, i) {
>               if (plane->pipe == crtc->pipe)
> -                     intel_dump_plane_state(plane_state);
> +                     intel_dump_plane_state(&p, plane_state);
>       }
>  }

-- 
Jani Nikula, Intel

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