[Intel-gfx] [PATCH 2/3] drm/i915: move PCH pfit controls into pipe_config

Paulo Zanoni przanoni at gmail.com
Fri May 3 00:02:54 CEST 2013


Hi

2013/4/25 Jesse Barnes <jbarnes at virtuousgeek.org>:
> And put the pfit stuff into substructs while we're at it.
>
> Signed-off-by: Jesse Barnes <jbarnes at virtuousgeek.org>
> ---
>  drivers/gpu/drm/i915/i915_drv.h      |    2 --
>  drivers/gpu/drm/i915/intel_ddi.c     |    2 +-
>  drivers/gpu/drm/i915/intel_display.c |   65 ++++++++++++++++------------------
>  drivers/gpu/drm/i915/intel_dp.c      |    6 ++--
>  drivers/gpu/drm/i915/intel_drv.h     |   18 +++++++---
>  drivers/gpu/drm/i915/intel_lvds.c    |    6 ++--
>  drivers/gpu/drm/i915/intel_panel.c   |   25 +++++++------
>  7 files changed, 63 insertions(+), 61 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
> index 8a257a9..14156f2 100644
> --- a/drivers/gpu/drm/i915/i915_drv.h
> +++ b/drivers/gpu/drm/i915/i915_drv.h
> @@ -1021,8 +1021,6 @@ typedef struct drm_i915_private {
>         struct sdvo_device_mapping sdvo_mappings[2];
>         /* indicate whether the LVDS_BORDER should be enabled or not */
>         unsigned int lvds_border_bits;
> -       /* Panel fitter placement and size for Ironlake+ */
> -       u32 pch_pf_pos, pch_pf_size;
>
>         struct drm_crtc *plane_to_crtc_mapping[3];
>         struct drm_crtc *pipe_to_crtc_mapping[3];
> diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
> index eef450b..0d7cf31 100644
> --- a/drivers/gpu/drm/i915/intel_ddi.c
> +++ b/drivers/gpu/drm/i915/intel_ddi.c
> @@ -995,7 +995,7 @@ void intel_ddi_enable_transcoder_func(struct drm_crtc *crtc)
>                         /* Can only use the always-on power well for eDP when
>                          * not using the panel fitter, and when not using motion
>                           * blur mitigation (which we don't support). */
> -                       if (dev_priv->pch_pf_size)
> +                       if (intel_crtc->config.pch_pfit.size)
>                                 temp |= TRANS_DDI_EDP_INPUT_A_ONOFF;
>                         else
>                                 temp |= TRANS_DDI_EDP_INPUT_A_ON;
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index fc6f768..dacfc6c 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -3225,6 +3225,28 @@ void intel_cpt_verify_modeset(struct drm_device *dev, int pipe)
>         }
>  }
>
> +static void ironlake_pfit_enable(struct intel_crtc *crtc)
> +{
> +       struct drm_device *dev = crtc->base.dev;
> +       struct drm_i915_private *dev_priv = dev->dev_private;
> +       int pipe = crtc->pipe;
> +
> +       if (crtc->config.pch_pfit.size &&
> +           intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_EDP)) {
> +               /* Force use of hard-coded filter coefficients
> +                * as some pre-programmed values are broken,
> +                * e.g. x201.
> +                */
> +               if (IS_IVYBRIDGE(dev) || IS_HASWELL(dev))
> +                       I915_WRITE(PF_CTL(pipe), PF_ENABLE | PF_FILTER_MED_3x3 |
> +                                                PF_PIPE_SEL_IVB(pipe));
> +               else
> +                       I915_WRITE(PF_CTL(pipe), PF_ENABLE | PF_FILTER_MED_3x3);
> +               I915_WRITE(PF_WIN_POS(pipe), crtc->config.pch_pfit.pos);
> +               I915_WRITE(PF_WIN_SZ(pipe), crtc->config.pch_pfit.size);
> +       }
> +}
> +
>  static void ironlake_crtc_enable(struct drm_crtc *crtc)
>  {
>         struct drm_device *dev = crtc->dev;
> @@ -3269,21 +3291,7 @@ static void ironlake_crtc_enable(struct drm_crtc *crtc)
>                         encoder->pre_enable(encoder);
>
>         /* Enable panel fitting for LVDS */
> -       if (dev_priv->pch_pf_size &&
> -           (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) ||
> -            intel_pipe_has_type(crtc, INTEL_OUTPUT_EDP))) {
> -               /* Force use of hard-coded filter coefficients
> -                * as some pre-programmed values are broken,
> -                * e.g. x201.
> -                */
> -               if (IS_IVYBRIDGE(dev))
> -                       I915_WRITE(PF_CTL(pipe), PF_ENABLE | PF_FILTER_MED_3x3 |
> -                                                PF_PIPE_SEL_IVB(pipe));
> -               else
> -                       I915_WRITE(PF_CTL(pipe), PF_ENABLE | PF_FILTER_MED_3x3);
> -               I915_WRITE(PF_WIN_POS(pipe), dev_priv->pch_pf_pos);
> -               I915_WRITE(PF_WIN_SZ(pipe), dev_priv->pch_pf_size);
> -       }
> +       ironlake_pfit_enable(intel_crtc);
>
>         /*
>          * On ILK+ LUT must be loaded before the pipe is running but with
> @@ -3353,17 +3361,7 @@ static void haswell_crtc_enable(struct drm_crtc *crtc)
>         intel_ddi_enable_pipe_clock(intel_crtc);
>
>         /* Enable panel fitting for eDP */
> -       if (dev_priv->pch_pf_size &&
> -           intel_pipe_has_type(crtc, INTEL_OUTPUT_EDP)) {
> -               /* Force use of hard-coded filter coefficients
> -                * as some pre-programmed values are broken,
> -                * e.g. x201.
> -                */
> -               I915_WRITE(PF_CTL(pipe), PF_ENABLE | PF_FILTER_MED_3x3 |
> -                                        PF_PIPE_SEL_IVB(pipe));
> -               I915_WRITE(PF_WIN_POS(pipe), dev_priv->pch_pf_pos);
> -               I915_WRITE(PF_WIN_SZ(pipe), dev_priv->pch_pf_size);
> -       }
> +       ironlake_pfit_enable(intel_crtc);
>
>         /*
>          * On ILK+ LUT must be loaded before the pipe is running but with
> @@ -3621,11 +3619,11 @@ static void i9xx_pfit_enable(struct intel_crtc *crtc)
>          * register description and PRM.
>          */
>         DRM_DEBUG_KMS("applying panel-fitter: %x, %x\n",
> -                     pipe_config->pfit_control,
> -                     pipe_config->pfit_pgm_ratios);
> +                     pipe_config->gmch_pfit.control,
> +                     pipe_config->gmch_pfit.pgm_ratios);
>
> -       I915_WRITE(PFIT_PGM_RATIOS, pipe_config->pfit_pgm_ratios);
> -       I915_WRITE(PFIT_CONTROL, pipe_config->pfit_control);
> +       I915_WRITE(PFIT_PGM_RATIOS, pipe_config->gmch_pfit.pgm_ratios);
> +       I915_WRITE(PFIT_CONTROL, pipe_config->gmch_pfit.control);
>  }
>
>  static void valleyview_crtc_enable(struct drm_crtc *crtc)
> @@ -5800,6 +5798,9 @@ static void haswell_modeset_global_resources(struct drm_device *dev)
>                 /* XXX: Should check for edp transcoder here, but thanks to init
>                  * sequence that's not yet available. Just in case desktop eDP
>                  * on PORT D is possible on haswell, too. */
> +               /* Even the eDP panel fitter is outside the always-on well. */
> +               if (I915_READ(PF_WIN_SZ(crtc->pipe)))

So this patch made it to drm-intel-next-queued and the line above
causes "unclaimed register" errors. This happens even if we don't
disable the power well, and we were 100% clear of these error messages
on that case, so I guess I can call this a "regression". Can you
please provide a fix?


> +                       enable = true;
>         }
>
>         list_for_each_entry(encoder, &dev->mode_config.encoder_list,
> @@ -5809,10 +5810,6 @@ static void haswell_modeset_global_resources(struct drm_device *dev)
>                         enable = true;
>         }
>
> -       /* Even the eDP panel fitter is outside the always-on well. */
> -       if (dev_priv->pch_pf_size)
> -               enable = true;
> -
>         intel_set_power_well(dev, enable);
>  }
>
> diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
> index 9c834bc..9ac034e 100644
> --- a/drivers/gpu/drm/i915/intel_dp.c
> +++ b/drivers/gpu/drm/i915/intel_dp.c
> @@ -710,7 +710,6 @@ intel_dp_compute_config(struct intel_encoder *encoder,
>         struct drm_device *dev = encoder->base.dev;
>         struct drm_i915_private *dev_priv = dev->dev_private;
>         struct drm_display_mode *adjusted_mode = &pipe_config->adjusted_mode;
> -       struct drm_display_mode *mode = &pipe_config->requested_mode;
>         struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base);
>         struct intel_crtc *intel_crtc = encoder->new_crtc;
>         struct intel_connector *intel_connector = intel_dp->attached_connector;
> @@ -733,9 +732,8 @@ intel_dp_compute_config(struct intel_encoder *encoder,
>                         intel_gmch_panel_fitting(intel_crtc, pipe_config,
>                                                  intel_connector->panel.fitting_mode);
>                 else
> -                       intel_pch_panel_fitting(dev,
> -                                               intel_connector->panel.fitting_mode,
> -                                               mode, adjusted_mode);
> +                       intel_pch_panel_fitting(intel_crtc, pipe_config,
> +                                               intel_connector->panel.fitting_mode);
>         }
>         /* We need to take the panel's fixed mode into account. */
>         target_clock = adjusted_mode->clock;
> diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
> index 9f3f71b..a8c6960 100644
> --- a/drivers/gpu/drm/i915/intel_drv.h
> +++ b/drivers/gpu/drm/i915/intel_drv.h
> @@ -239,7 +239,16 @@ struct intel_crtc_config {
>         unsigned pixel_multiplier;
>
>         /* Panel fitter controls for gen2-gen4 + VLV */
> -       u32 pfit_control, pfit_pgm_ratios;
> +       struct {
> +               u32 control;
> +               u32 pgm_ratios;
> +       } gmch_pfit;
> +
> +       /* Panel fitter placement and size for Ironlake+ */
> +       struct {
> +               u32 pos;
> +               u32 size;
> +       } pch_pfit;
>  };
>
>  struct intel_crtc {
> @@ -557,10 +566,9 @@ extern void intel_panel_fini(struct intel_panel *panel);
>
>  extern void intel_fixed_panel_mode(struct drm_display_mode *fixed_mode,
>                                    struct drm_display_mode *adjusted_mode);
> -extern void intel_pch_panel_fitting(struct drm_device *dev,
> -                                   int fitting_mode,
> -                                   const struct drm_display_mode *mode,
> -                                   struct drm_display_mode *adjusted_mode);
> +extern void intel_pch_panel_fitting(struct intel_crtc *crtc,
> +                                   struct intel_crtc_config *pipe_config,
> +                                   int fitting_mode);
>  extern void intel_gmch_panel_fitting(struct intel_crtc *crtc,
>                                      struct intel_crtc_config *pipe_config,
>                                      int fitting_mode);
> diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
> index 7d41881..3e29499 100644
> --- a/drivers/gpu/drm/i915/intel_lvds.c
> +++ b/drivers/gpu/drm/i915/intel_lvds.c
> @@ -229,7 +229,6 @@ static bool intel_lvds_compute_config(struct intel_encoder *intel_encoder,
>         struct intel_connector *intel_connector =
>                 &lvds_encoder->attached_connector->base;
>         struct drm_display_mode *adjusted_mode = &pipe_config->adjusted_mode;
> -       struct drm_display_mode *mode = &pipe_config->requested_mode;
>         struct intel_crtc *intel_crtc = lvds_encoder->base.new_crtc;
>         unsigned int lvds_bpp;
>         int pipe;
> @@ -267,9 +266,8 @@ static bool intel_lvds_compute_config(struct intel_encoder *intel_encoder,
>         if (HAS_PCH_SPLIT(dev)) {
>                 pipe_config->has_pch_encoder = true;
>
> -               intel_pch_panel_fitting(dev,
> -                                       intel_connector->panel.fitting_mode,
> -                                       mode, adjusted_mode);
> +               intel_pch_panel_fitting(intel_crtc, pipe_config,
> +                                       intel_connector->panel.fitting_mode);
>                 return true;
>         } else {
>                 intel_gmch_panel_fitting(intel_crtc, pipe_config,
> diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c
> index b2cdedf..016e676 100644
> --- a/drivers/gpu/drm/i915/intel_panel.c
> +++ b/drivers/gpu/drm/i915/intel_panel.c
> @@ -54,14 +54,17 @@ intel_fixed_panel_mode(struct drm_display_mode *fixed_mode,
>
>  /* adjusted_mode has been preset to be the panel's fixed mode */
>  void
> -intel_pch_panel_fitting(struct drm_device *dev,
> -                       int fitting_mode,
> -                       const struct drm_display_mode *mode,
> -                       struct drm_display_mode *adjusted_mode)
> +intel_pch_panel_fitting(struct intel_crtc *intel_crtc,
> +                       struct intel_crtc_config *pipe_config,
> +                       int fitting_mode)
>  {
> -       struct drm_i915_private *dev_priv = dev->dev_private;
> +       struct drm_i915_private *dev_priv = intel_crtc->base.dev->dev_private;
> +       struct drm_display_mode *mode, *adjusted_mode;
>         int x, y, width, height;
>
> +       mode = &pipe_config->requested_mode;
> +       adjusted_mode = &pipe_config->adjusted_mode;
> +
>         x = y = width = height = 0;
>
>         /* Native modes don't need fitting */
> @@ -113,8 +116,8 @@ intel_pch_panel_fitting(struct drm_device *dev,
>         }
>
>  done:
> -       dev_priv->pch_pf_pos = (x << 16) | y;
> -       dev_priv->pch_pf_size = (width << 16) | height;
> +       pipe_config->pch_pfit.pos = (x << 16) | y;
> +       pipe_config->pch_pfit.size = (width << 16) | height;
>  }
>
>  static void
> @@ -300,10 +303,10 @@ out:
>                                          dev_priv->lvds_dither))
>                 pfit_control |= PANEL_8TO6_DITHER_ENABLE;
>
> -       if (pfit_control != pipe_config->pfit_control ||
> -           pfit_pgm_ratios != pipe_config->pfit_pgm_ratios) {
> -               pipe_config->pfit_control = pfit_control;
> -               pipe_config->pfit_pgm_ratios = pfit_pgm_ratios;
> +       if (pfit_control != pipe_config->gmch_pfit.control ||
> +           pfit_pgm_ratios != pipe_config->gmch_pfit.pgm_ratios) {
> +               pipe_config->gmch_pfit.control = pfit_control;
> +               pipe_config->gmch_pfit.pgm_ratios = pfit_pgm_ratios;
>         }
>         dev_priv->lvds_border_bits = border;
>  }
> --
> 1.7.10.4
>
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/intel-gfx



-- 
Paulo Zanoni



More information about the Intel-gfx mailing list