On Fri, Mar 07, 2025 at 04:25:11PM -0300, Gustavo Sousa wrote:
> Update intel_bw.c internally use intel_display. Conversion of the public
> interface will come as a follow-up.
> 
> Cc: Ville Syrjälä <[email protected]>
> Signed-off-by: Gustavo Sousa <[email protected]>
> ---
>  drivers/gpu/drm/i915/display/intel_bw.c | 416 
> +++++++++++++++++---------------
>  1 file changed, 217 insertions(+), 199 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_bw.c 
> b/drivers/gpu/drm/i915/display/intel_bw.c
> index 
> 048be287224774110d94fe2944daa580d8dc20a6..d71dc796f1793f546fe04146e5987a9be56bae9b
>  100644
> --- a/drivers/gpu/drm/i915/display/intel_bw.c
> +++ b/drivers/gpu/drm/i915/display/intel_bw.c
> @@ -11,6 +11,7 @@
>  #include "intel_atomic.h"
>  #include "intel_bw.h"
>  #include "intel_cdclk.h"
> +#include "intel_de.h"
>  #include "intel_display_core.h"
>  #include "intel_display_types.h"
>  #include "skl_watermark.h"
> @@ -39,14 +40,14 @@ struct intel_qgv_info {
>       u8 deinterleave;
>  };
>  
> -static int dg1_mchbar_read_qgv_point_info(struct drm_i915_private *dev_priv,
> +static int dg1_mchbar_read_qgv_point_info(struct intel_display *display,
>                                         struct intel_qgv_point *sp,
>                                         int point)
>  {
>       u32 dclk_ratio, dclk_reference;
>       u32 val;
>  
> -     val = intel_uncore_read(&dev_priv->uncore, 
> SA_PERF_STATUS_0_0_0_MCHBAR_PC);
> +     val = intel_de_read(display, SA_PERF_STATUS_0_0_0_MCHBAR_PC);

Not entirely convinced we want to start using intel_de_*() on
mchbar registers.

Apart from that the rest looks fine.

>       dclk_ratio = REG_FIELD_GET(DG1_QCLK_RATIO_MASK, val);
>       if (val & DG1_QCLK_REFERENCE)
>               dclk_reference = 6; /* 6 * 16.666 MHz = 100 MHz */
> @@ -54,18 +55,18 @@ static int dg1_mchbar_read_qgv_point_info(struct 
> drm_i915_private *dev_priv,
>               dclk_reference = 8; /* 8 * 16.666 MHz = 133 MHz */
>       sp->dclk = DIV_ROUND_UP((16667 * dclk_ratio * dclk_reference) + 500, 
> 1000);
>  
> -     val = intel_uncore_read(&dev_priv->uncore, 
> SKL_MC_BIOS_DATA_0_0_0_MCHBAR_PCU);
> +     val = intel_de_read(display, SKL_MC_BIOS_DATA_0_0_0_MCHBAR_PCU);
>       if (val & DG1_GEAR_TYPE)
>               sp->dclk *= 2;
>  
>       if (sp->dclk == 0)
>               return -EINVAL;
>  
> -     val = intel_uncore_read(&dev_priv->uncore, 
> MCHBAR_CH0_CR_TC_PRE_0_0_0_MCHBAR);
> +     val = intel_de_read(display, MCHBAR_CH0_CR_TC_PRE_0_0_0_MCHBAR);
>       sp->t_rp = REG_FIELD_GET(DG1_DRAM_T_RP_MASK, val);
>       sp->t_rdpre = REG_FIELD_GET(DG1_DRAM_T_RDPRE_MASK, val);
>  
> -     val = intel_uncore_read(&dev_priv->uncore, 
> MCHBAR_CH0_CR_TC_PRE_0_0_0_MCHBAR_HIGH);
> +     val = intel_de_read(display, MCHBAR_CH0_CR_TC_PRE_0_0_0_MCHBAR_HIGH);
>       sp->t_rcd = REG_FIELD_GET(DG1_DRAM_T_RCD_MASK, val);
>       sp->t_ras = REG_FIELD_GET(DG1_DRAM_T_RAS_MASK, val);
>  
> @@ -74,22 +75,23 @@ static int dg1_mchbar_read_qgv_point_info(struct 
> drm_i915_private *dev_priv,
>       return 0;
>  }
>  
> -static int icl_pcode_read_qgv_point_info(struct drm_i915_private *dev_priv,
> +static int icl_pcode_read_qgv_point_info(struct intel_display *display,
>                                        struct intel_qgv_point *sp,
>                                        int point)
>  {
> +     struct drm_i915_private *i915 = to_i915(display->drm);
>       u32 val = 0, val2 = 0;
>       u16 dclk;
>       int ret;
>  
> -     ret = snb_pcode_read(&dev_priv->uncore, ICL_PCODE_MEM_SUBSYSYSTEM_INFO |
> +     ret = snb_pcode_read(&i915->uncore, ICL_PCODE_MEM_SUBSYSYSTEM_INFO |
>                            ICL_PCODE_MEM_SS_READ_QGV_POINT_INFO(point),
>                            &val, &val2);
>       if (ret)
>               return ret;
>  
>       dclk = val & 0xffff;
> -     sp->dclk = DIV_ROUND_UP((16667 * dclk) + (DISPLAY_VER(dev_priv) >= 12 ? 
> 500 : 0),
> +     sp->dclk = DIV_ROUND_UP((16667 * dclk) + (DISPLAY_VER(display) >= 12 ? 
> 500 : 0),
>                               1000);
>       sp->t_rp = (val & 0xff0000) >> 16;
>       sp->t_rcd = (val & 0xff000000) >> 24;
> @@ -102,14 +104,15 @@ static int icl_pcode_read_qgv_point_info(struct 
> drm_i915_private *dev_priv,
>       return 0;
>  }
>  
> -static int adls_pcode_read_psf_gv_point_info(struct drm_i915_private 
> *dev_priv,
> -                                         struct intel_psf_gv_point *points)
> +static int adls_pcode_read_psf_gv_point_info(struct intel_display *display,
> +                                          struct intel_psf_gv_point *points)
>  {
> +     struct drm_i915_private *i915 = to_i915(display->drm);
>       u32 val = 0;
>       int ret;
>       int i;
>  
> -     ret = snb_pcode_read(&dev_priv->uncore, ICL_PCODE_MEM_SUBSYSYSTEM_INFO |
> +     ret = snb_pcode_read(&i915->uncore, ICL_PCODE_MEM_SUBSYSYSTEM_INFO |
>                            ADL_PCODE_MEM_SS_READ_PSF_GV_INFO, &val, NULL);
>       if (ret)
>               return ret;
> @@ -122,10 +125,10 @@ static int adls_pcode_read_psf_gv_point_info(struct 
> drm_i915_private *dev_priv,
>       return 0;
>  }
>  
> -static u16 icl_qgv_points_mask(struct drm_i915_private *i915)
> +static u16 icl_qgv_points_mask(struct intel_display *display)
>  {
> -     unsigned int num_psf_gv_points = 
> i915->display.bw.max[0].num_psf_gv_points;
> -     unsigned int num_qgv_points = i915->display.bw.max[0].num_qgv_points;
> +     unsigned int num_psf_gv_points = display->bw.max[0].num_psf_gv_points;
> +     unsigned int num_qgv_points = display->bw.max[0].num_qgv_points;
>       u16 qgv_points = 0, psf_points = 0;
>  
>       /*
> @@ -142,18 +145,19 @@ static u16 icl_qgv_points_mask(struct drm_i915_private 
> *i915)
>       return ICL_PCODE_REQ_QGV_PT(qgv_points) | 
> ADLS_PCODE_REQ_PSF_PT(psf_points);
>  }
>  
> -static bool is_sagv_enabled(struct drm_i915_private *i915, u16 points_mask)
> +static bool is_sagv_enabled(struct intel_display *display, u16 points_mask)
>  {
> -     return !is_power_of_2(~points_mask & icl_qgv_points_mask(i915) &
> +     return !is_power_of_2(~points_mask & icl_qgv_points_mask(display) &
>                             ICL_PCODE_REQ_QGV_PT_MASK);
>  }
>  
>  int icl_pcode_restrict_qgv_points(struct drm_i915_private *dev_priv,
>                                 u32 points_mask)
>  {
> +     struct intel_display *display = &dev_priv->display;
>       int ret;
>  
> -     if (DISPLAY_VER(dev_priv) >= 14)
> +     if (DISPLAY_VER(display) >= 14)
>               return 0;
>  
>       /* bspec says to keep retrying for at least 1 ms */
> @@ -164,27 +168,28 @@ int icl_pcode_restrict_qgv_points(struct 
> drm_i915_private *dev_priv,
>                               1);
>  
>       if (ret < 0) {
> -             drm_err(&dev_priv->drm,
> +             drm_err(display->drm,
>                       "Failed to disable qgv points (0x%x) points: 0x%x\n",
>                       ret, points_mask);
>               return ret;
>       }
>  
> -     dev_priv->display.sagv.status = is_sagv_enabled(dev_priv, points_mask) ?
> +     display->sagv.status = is_sagv_enabled(display, points_mask) ?
>               I915_SAGV_ENABLED : I915_SAGV_DISABLED;
>  
>       return 0;
>  }
>  
> -static int mtl_read_qgv_point_info(struct drm_i915_private *dev_priv,
> +static int mtl_read_qgv_point_info(struct intel_display *display,
>                                  struct intel_qgv_point *sp, int point)
>  {
> +     struct drm_i915_private *i915 = to_i915(display->drm);
>       u32 val, val2;
>       u16 dclk;
>  
> -     val = intel_uncore_read(&dev_priv->uncore,
> +     val = intel_uncore_read(&i915->uncore,
>                               MTL_MEM_SS_INFO_QGV_POINT_LOW(point));
> -     val2 = intel_uncore_read(&dev_priv->uncore,
> +     val2 = intel_uncore_read(&i915->uncore,
>                                MTL_MEM_SS_INFO_QGV_POINT_HIGH(point));
>       dclk = REG_FIELD_GET(MTL_DCLK_MASK, val);
>       sp->dclk = DIV_ROUND_CLOSEST(16667 * dclk, 1000);
> @@ -200,29 +205,30 @@ static int mtl_read_qgv_point_info(struct 
> drm_i915_private *dev_priv,
>  }
>  
>  static int
> -intel_read_qgv_point_info(struct drm_i915_private *dev_priv,
> +intel_read_qgv_point_info(struct intel_display *display,
>                         struct intel_qgv_point *sp,
>                         int point)
>  {
> -     if (DISPLAY_VER(dev_priv) >= 14)
> -             return mtl_read_qgv_point_info(dev_priv, sp, point);
> -     else if (IS_DG1(dev_priv))
> -             return dg1_mchbar_read_qgv_point_info(dev_priv, sp, point);
> +     if (DISPLAY_VER(display) >= 14)
> +             return mtl_read_qgv_point_info(display, sp, point);
> +     else if (display->platform.dg1)
> +             return dg1_mchbar_read_qgv_point_info(display, sp, point);
>       else
> -             return icl_pcode_read_qgv_point_info(dev_priv, sp, point);
> +             return icl_pcode_read_qgv_point_info(display, sp, point);
>  }
>  
> -static int icl_get_qgv_points(struct drm_i915_private *dev_priv,
> +static int icl_get_qgv_points(struct intel_display *display,
>                             struct intel_qgv_info *qi,
>                             bool is_y_tile)
>  {
> -     const struct dram_info *dram_info = &dev_priv->dram_info;
> +     struct drm_i915_private *i915 = to_i915(display->drm);
> +     const struct dram_info *dram_info = &i915->dram_info;
>       int i, ret;
>  
>       qi->num_points = dram_info->num_qgv_points;
>       qi->num_psf_points = dram_info->num_psf_gv_points;
>  
> -     if (DISPLAY_VER(dev_priv) >= 14) {
> +     if (DISPLAY_VER(display) >= 14) {
>               switch (dram_info->type) {
>               case INTEL_DRAM_DDR4:
>                       qi->t_bl = 4;
> @@ -250,7 +256,7 @@ static int icl_get_qgv_points(struct drm_i915_private 
> *dev_priv,
>                       MISSING_CASE(dram_info->type);
>                       return -EINVAL;
>               }
> -     } else if (DISPLAY_VER(dev_priv) >= 12) {
> +     } else if (DISPLAY_VER(display) >= 12) {
>               switch (dram_info->type) {
>               case INTEL_DRAM_DDR4:
>                       qi->t_bl = is_y_tile ? 8 : 4;
> @@ -265,7 +271,7 @@ static int icl_get_qgv_points(struct drm_i915_private 
> *dev_priv,
>                       qi->deinterleave = is_y_tile ? 1 : 2;
>                       break;
>               case INTEL_DRAM_LPDDR4:
> -                     if (IS_ROCKETLAKE(dev_priv)) {
> +                     if (display->platform.rocketlake) {
>                               qi->t_bl = 8;
>                               qi->max_numchannels = 4;
>                               qi->channel_width = 32;
> @@ -284,39 +290,39 @@ static int icl_get_qgv_points(struct drm_i915_private 
> *dev_priv,
>                       qi->max_numchannels = 1;
>                       break;
>               }
> -     } else if (DISPLAY_VER(dev_priv) == 11) {
> -             qi->t_bl = dev_priv->dram_info.type == INTEL_DRAM_DDR4 ? 4 : 8;
> +     } else if (DISPLAY_VER(display) == 11) {
> +             qi->t_bl = dram_info->type == INTEL_DRAM_DDR4 ? 4 : 8;
>               qi->max_numchannels = 1;
>       }
>  
> -     if (drm_WARN_ON(&dev_priv->drm,
> +     if (drm_WARN_ON(display->drm,
>                       qi->num_points > ARRAY_SIZE(qi->points)))
>               qi->num_points = ARRAY_SIZE(qi->points);
>  
>       for (i = 0; i < qi->num_points; i++) {
>               struct intel_qgv_point *sp = &qi->points[i];
>  
> -             ret = intel_read_qgv_point_info(dev_priv, sp, i);
> +             ret = intel_read_qgv_point_info(display, sp, i);
>               if (ret) {
> -                     drm_dbg_kms(&dev_priv->drm, "Could not read QGV %d 
> info\n", i);
> +                     drm_dbg_kms(display->drm, "Could not read QGV %d 
> info\n", i);
>                       return ret;
>               }
>  
> -             drm_dbg_kms(&dev_priv->drm,
> +             drm_dbg_kms(display->drm,
>                           "QGV %d: DCLK=%d tRP=%d tRDPRE=%d tRAS=%d tRCD=%d 
> tRC=%d\n",
>                           i, sp->dclk, sp->t_rp, sp->t_rdpre, sp->t_ras,
>                           sp->t_rcd, sp->t_rc);
>       }
>  
>       if (qi->num_psf_points > 0) {
> -             ret = adls_pcode_read_psf_gv_point_info(dev_priv, 
> qi->psf_points);
> +             ret = adls_pcode_read_psf_gv_point_info(display, 
> qi->psf_points);
>               if (ret) {
> -                     drm_err(&dev_priv->drm, "Failed to read PSF point data; 
> PSF points will not be considered in bandwidth calculations.\n");
> +                     drm_err(display->drm, "Failed to read PSF point data; 
> PSF points will not be considered in bandwidth calculations.\n");
>                       qi->num_psf_points = 0;
>               }
>  
>               for (i = 0; i < qi->num_psf_points; i++)
> -                     drm_dbg_kms(&dev_priv->drm,
> +                     drm_dbg_kms(display->drm,
>                                   "PSF GV %d: CLK=%d \n",
>                                   i, qi->psf_points[i].clk);
>       }
> @@ -398,20 +404,21 @@ static const struct intel_sa_info xe2_hpd_sa_info = {
>       /* Other values not used by simplified algorithm */
>  };
>  
> -static int icl_get_bw_info(struct drm_i915_private *dev_priv, const struct 
> intel_sa_info *sa)
> +static int icl_get_bw_info(struct intel_display *display, const struct 
> intel_sa_info *sa)
>  {
> +     struct drm_i915_private *i915 = to_i915(display->drm);
>       struct intel_qgv_info qi = {};
>       bool is_y_tile = true; /* assume y tile may be used */
> -     int num_channels = max_t(u8, 1, dev_priv->dram_info.num_channels);
> +     int num_channels = max_t(u8, 1, i915->dram_info.num_channels);
>       int ipqdepth, ipqdepthpch = 16;
>       int dclk_max;
>       int maxdebw;
> -     int num_groups = ARRAY_SIZE(dev_priv->display.bw.max);
> +     int num_groups = ARRAY_SIZE(display->bw.max);
>       int i, ret;
>  
> -     ret = icl_get_qgv_points(dev_priv, &qi, is_y_tile);
> +     ret = icl_get_qgv_points(display, &qi, is_y_tile);
>       if (ret) {
> -             drm_dbg_kms(&dev_priv->drm,
> +             drm_dbg_kms(display->drm,
>                           "Failed to get memory subsystem information, 
> ignoring bandwidth limits");
>               return ret;
>       }
> @@ -422,7 +429,7 @@ static int icl_get_bw_info(struct drm_i915_private 
> *dev_priv, const struct intel
>       qi.deinterleave = DIV_ROUND_UP(num_channels, is_y_tile ? 4 : 2);
>  
>       for (i = 0; i < num_groups; i++) {
> -             struct intel_bw_info *bi = &dev_priv->display.bw.max[i];
> +             struct intel_bw_info *bi = &display->bw.max[i];
>               int clpchgroup;
>               int j;
>  
> @@ -449,7 +456,7 @@ static int icl_get_bw_info(struct drm_i915_private 
> *dev_priv, const struct intel
>                       bi->deratedbw[j] = min(maxdebw,
>                                              bw * (100 - sa->derating) / 100);
>  
> -                     drm_dbg_kms(&dev_priv->drm,
> +                     drm_dbg_kms(display->drm,
>                                   "BW%d / QGV %d: num_planes=%d 
> deratedbw=%u\n",
>                                   i, j, bi->num_planes, bi->deratedbw[j]);
>               }
> @@ -460,44 +467,45 @@ static int icl_get_bw_info(struct drm_i915_private 
> *dev_priv, const struct intel
>        * as it will fail and pointless anyway.
>        */
>       if (qi.num_points == 1)
> -             dev_priv->display.sagv.status = I915_SAGV_NOT_CONTROLLED;
> +             display->sagv.status = I915_SAGV_NOT_CONTROLLED;
>       else
> -             dev_priv->display.sagv.status = I915_SAGV_ENABLED;
> +             display->sagv.status = I915_SAGV_ENABLED;
>  
>       return 0;
>  }
>  
> -static int tgl_get_bw_info(struct drm_i915_private *dev_priv, const struct 
> intel_sa_info *sa)
> +static int tgl_get_bw_info(struct intel_display *display, const struct 
> intel_sa_info *sa)
>  {
> +     struct drm_i915_private *i915 = to_i915(display->drm);
>       struct intel_qgv_info qi = {};
> -     const struct dram_info *dram_info = &dev_priv->dram_info;
> +     const struct dram_info *dram_info = &i915->dram_info;
>       bool is_y_tile = true; /* assume y tile may be used */
> -     int num_channels = max_t(u8, 1, dev_priv->dram_info.num_channels);
> +     int num_channels = max_t(u8, 1, dram_info->num_channels);
>       int ipqdepth, ipqdepthpch = 16;
>       int dclk_max;
>       int maxdebw, peakbw;
>       int clperchgroup;
> -     int num_groups = ARRAY_SIZE(dev_priv->display.bw.max);
> +     int num_groups = ARRAY_SIZE(display->bw.max);
>       int i, ret;
>  
> -     ret = icl_get_qgv_points(dev_priv, &qi, is_y_tile);
> +     ret = icl_get_qgv_points(display, &qi, is_y_tile);
>       if (ret) {
> -             drm_dbg_kms(&dev_priv->drm,
> +             drm_dbg_kms(display->drm,
>                           "Failed to get memory subsystem information, 
> ignoring bandwidth limits");
>               return ret;
>       }
>  
> -     if (DISPLAY_VER(dev_priv) < 14 &&
> +     if (DISPLAY_VER(display) < 14 &&
>           (dram_info->type == INTEL_DRAM_LPDDR4 || dram_info->type == 
> INTEL_DRAM_LPDDR5))
>               num_channels *= 2;
>  
>       qi.deinterleave = qi.deinterleave ? : DIV_ROUND_UP(num_channels, 
> is_y_tile ? 4 : 2);
>  
> -     if (num_channels < qi.max_numchannels && DISPLAY_VER(dev_priv) >= 12)
> +     if (num_channels < qi.max_numchannels && DISPLAY_VER(display) >= 12)
>               qi.deinterleave = max(DIV_ROUND_UP(qi.deinterleave, 2), 1);
>  
> -     if (DISPLAY_VER(dev_priv) >= 12 && num_channels > qi.max_numchannels)
> -             drm_warn(&dev_priv->drm, "Number of channels exceeds max number 
> of channels.");
> +     if (DISPLAY_VER(display) >= 12 && num_channels > qi.max_numchannels)
> +             drm_warn(display->drm, "Number of channels exceeds max number 
> of channels.");
>       if (qi.max_numchannels != 0)
>               num_channels = min_t(u8, num_channels, qi.max_numchannels);
>  
> @@ -514,7 +522,7 @@ static int tgl_get_bw_info(struct drm_i915_private 
> *dev_priv, const struct intel
>       clperchgroup = 4 * DIV_ROUND_UP(8, num_channels) * qi.deinterleave;
>  
>       for (i = 0; i < num_groups; i++) {
> -             struct intel_bw_info *bi = &dev_priv->display.bw.max[i];
> +             struct intel_bw_info *bi = &display->bw.max[i];
>               struct intel_bw_info *bi_next;
>               int clpchgroup;
>               int j;
> @@ -522,7 +530,7 @@ static int tgl_get_bw_info(struct drm_i915_private 
> *dev_priv, const struct intel
>               clpchgroup = (sa->deburst * qi.deinterleave / num_channels) << 
> i;
>  
>               if (i < num_groups - 1) {
> -                     bi_next = &dev_priv->display.bw.max[i + 1];
> +                     bi_next = &display->bw.max[i + 1];
>  
>                       if (clpchgroup < clperchgroup)
>                               bi_next->num_planes = (ipqdepth - clpchgroup) /
> @@ -554,7 +562,7 @@ static int tgl_get_bw_info(struct drm_i915_private 
> *dev_priv, const struct intel
>                                                         num_channels *
>                                                         qi.channel_width, 8);
>  
> -                     drm_dbg_kms(&dev_priv->drm,
> +                     drm_dbg_kms(display->drm,
>                                   "BW%d / QGV %d: num_planes=%d deratedbw=%u 
> peakbw: %u\n",
>                                   i, j, bi->num_planes, bi->deratedbw[j],
>                                   bi->peakbw[j]);
> @@ -565,7 +573,7 @@ static int tgl_get_bw_info(struct drm_i915_private 
> *dev_priv, const struct intel
>  
>                       bi->psf_bw[j] = adl_calc_psf_bw(sp->clk);
>  
> -                     drm_dbg_kms(&dev_priv->drm,
> +                     drm_dbg_kms(display->drm,
>                                   "BW%d / PSF GV %d: num_planes=%d bw=%u\n",
>                                   i, j, bi->num_planes, bi->psf_bw[j]);
>               }
> @@ -577,17 +585,17 @@ static int tgl_get_bw_info(struct drm_i915_private 
> *dev_priv, const struct intel
>        * as it will fail and pointless anyway.
>        */
>       if (qi.num_points == 1)
> -             dev_priv->display.sagv.status = I915_SAGV_NOT_CONTROLLED;
> +             display->sagv.status = I915_SAGV_NOT_CONTROLLED;
>       else
> -             dev_priv->display.sagv.status = I915_SAGV_ENABLED;
> +             display->sagv.status = I915_SAGV_ENABLED;
>  
>       return 0;
>  }
>  
> -static void dg2_get_bw_info(struct drm_i915_private *i915)
> +static void dg2_get_bw_info(struct intel_display *display)
>  {
> -     unsigned int deratedbw = IS_DG2_G11(i915) ? 38000 : 50000;
> -     int num_groups = ARRAY_SIZE(i915->display.bw.max);
> +     unsigned int deratedbw = display->platform.dg2_g11 ? 38000 : 50000;
> +     int num_groups = ARRAY_SIZE(display->bw.max);
>       int i;
>  
>       /*
> @@ -598,7 +606,7 @@ static void dg2_get_bw_info(struct drm_i915_private *i915)
>        * whereas DG2-G11 platforms have 38 GB/s.
>        */
>       for (i = 0; i < num_groups; i++) {
> -             struct intel_bw_info *bi = &i915->display.bw.max[i];
> +             struct intel_bw_info *bi = &display->bw.max[i];
>  
>               bi->num_planes = 1;
>               /* Need only one dummy QGV point per group */
> @@ -606,20 +614,21 @@ static void dg2_get_bw_info(struct drm_i915_private 
> *i915)
>               bi->deratedbw[0] = deratedbw;
>       }
>  
> -     i915->display.sagv.status = I915_SAGV_NOT_CONTROLLED;
> +     display->sagv.status = I915_SAGV_NOT_CONTROLLED;
>  }
>  
> -static int xe2_hpd_get_bw_info(struct drm_i915_private *i915,
> +static int xe2_hpd_get_bw_info(struct intel_display *display,
>                              const struct intel_sa_info *sa)
>  {
> +     struct drm_i915_private *i915 = to_i915(display->drm);
>       struct intel_qgv_info qi = {};
>       int num_channels = i915->dram_info.num_channels;
>       int peakbw, maxdebw;
>       int ret, i;
>  
> -     ret = icl_get_qgv_points(i915, &qi, true);
> +     ret = icl_get_qgv_points(display, &qi, true);
>       if (ret) {
> -             drm_dbg_kms(&i915->drm,
> +             drm_dbg_kms(display->drm,
>                           "Failed to get memory subsystem information, 
> ignoring bandwidth limits");
>               return ret;
>       }
> @@ -631,33 +640,33 @@ static int xe2_hpd_get_bw_info(struct drm_i915_private 
> *i915,
>               const struct intel_qgv_point *point = &qi.points[i];
>               int bw = num_channels * (qi.channel_width / 8) * point->dclk;
>  
> -             i915->display.bw.max[0].deratedbw[i] =
> +             display->bw.max[0].deratedbw[i] =
>                       min(maxdebw, (100 - sa->derating) * bw / 100);
> -             i915->display.bw.max[0].peakbw[i] = bw;
> +             display->bw.max[0].peakbw[i] = bw;
>  
> -             drm_dbg_kms(&i915->drm, "QGV %d: deratedbw=%u peakbw: %u\n",
> -                         i, i915->display.bw.max[0].deratedbw[i],
> -                         i915->display.bw.max[0].peakbw[i]);
> +             drm_dbg_kms(display->drm, "QGV %d: deratedbw=%u peakbw: %u\n",
> +                         i, display->bw.max[0].deratedbw[i],
> +                         display->bw.max[0].peakbw[i]);
>       }
>  
>       /* Bandwidth does not depend on # of planes; set all groups the same */
> -     i915->display.bw.max[0].num_planes = 1;
> -     i915->display.bw.max[0].num_qgv_points = qi.num_points;
> -     for (i = 1; i < ARRAY_SIZE(i915->display.bw.max); i++)
> -             memcpy(&i915->display.bw.max[i], &i915->display.bw.max[0],
> -                    sizeof(i915->display.bw.max[0]));
> +     display->bw.max[0].num_planes = 1;
> +     display->bw.max[0].num_qgv_points = qi.num_points;
> +     for (i = 1; i < ARRAY_SIZE(display->bw.max); i++)
> +             memcpy(&display->bw.max[i], &display->bw.max[0],
> +                    sizeof(display->bw.max[0]));
>  
>       /*
>        * Xe2_HPD should always have exactly two QGV points representing
>        * battery and plugged-in operation.
>        */
> -     drm_WARN_ON(&i915->drm, qi.num_points != 2);
> -     i915->display.sagv.status = I915_SAGV_ENABLED;
> +     drm_WARN_ON(display->drm, qi.num_points != 2);
> +     display->sagv.status = I915_SAGV_ENABLED;
>  
>       return 0;
>  }
>  
> -static unsigned int icl_max_bw_index(struct drm_i915_private *dev_priv,
> +static unsigned int icl_max_bw_index(struct intel_display *display,
>                                    int num_planes, int qgv_point)
>  {
>       int i;
> @@ -667,9 +676,9 @@ static unsigned int icl_max_bw_index(struct 
> drm_i915_private *dev_priv,
>        */
>       num_planes = max(1, num_planes);
>  
> -     for (i = 0; i < ARRAY_SIZE(dev_priv->display.bw.max); i++) {
> +     for (i = 0; i < ARRAY_SIZE(display->bw.max); i++) {
>               const struct intel_bw_info *bi =
> -                     &dev_priv->display.bw.max[i];
> +                     &display->bw.max[i];
>  
>               /*
>                * Pcode will not expose all QGV points when
> @@ -685,7 +694,7 @@ static unsigned int icl_max_bw_index(struct 
> drm_i915_private *dev_priv,
>       return UINT_MAX;
>  }
>  
> -static unsigned int tgl_max_bw_index(struct drm_i915_private *dev_priv,
> +static unsigned int tgl_max_bw_index(struct intel_display *display,
>                                    int num_planes, int qgv_point)
>  {
>       int i;
> @@ -695,9 +704,9 @@ static unsigned int tgl_max_bw_index(struct 
> drm_i915_private *dev_priv,
>        */
>       num_planes = max(1, num_planes);
>  
> -     for (i = ARRAY_SIZE(dev_priv->display.bw.max) - 1; i >= 0; i--) {
> +     for (i = ARRAY_SIZE(display->bw.max) - 1; i >= 0; i--) {
>               const struct intel_bw_info *bi =
> -                     &dev_priv->display.bw.max[i];
> +                     &display->bw.max[i];
>  
>               /*
>                * Pcode will not expose all QGV points when
> @@ -713,52 +722,54 @@ static unsigned int tgl_max_bw_index(struct 
> drm_i915_private *dev_priv,
>       return 0;
>  }
>  
> -static unsigned int adl_psf_bw(struct drm_i915_private *dev_priv,
> +static unsigned int adl_psf_bw(struct intel_display *display,
>                              int psf_gv_point)
>  {
>       const struct intel_bw_info *bi =
> -                     &dev_priv->display.bw.max[0];
> +                     &display->bw.max[0];
>  
>       return bi->psf_bw[psf_gv_point];
>  }
>  
> -static unsigned int icl_qgv_bw(struct drm_i915_private *i915,
> +static unsigned int icl_qgv_bw(struct intel_display *display,
>                              int num_active_planes, int qgv_point)
>  {
>       unsigned int idx;
>  
> -     if (DISPLAY_VER(i915) >= 12)
> -             idx = tgl_max_bw_index(i915, num_active_planes, qgv_point);
> +     if (DISPLAY_VER(display) >= 12)
> +             idx = tgl_max_bw_index(display, num_active_planes, qgv_point);
>       else
> -             idx = icl_max_bw_index(i915, num_active_planes, qgv_point);
> +             idx = icl_max_bw_index(display, num_active_planes, qgv_point);
>  
> -     if (idx >= ARRAY_SIZE(i915->display.bw.max))
> +     if (idx >= ARRAY_SIZE(display->bw.max))
>               return 0;
>  
> -     return i915->display.bw.max[idx].deratedbw[qgv_point];
> +     return display->bw.max[idx].deratedbw[qgv_point];
>  }
>  
>  void intel_bw_init_hw(struct drm_i915_private *dev_priv)
>  {
> -     if (!HAS_DISPLAY(dev_priv))
> +     struct intel_display *display = &dev_priv->display;
> +
> +     if (!HAS_DISPLAY(display))
>               return;
>  
> -     if (DISPLAY_VERx100(dev_priv) >= 1401 && IS_DGFX(dev_priv))
> -             xe2_hpd_get_bw_info(dev_priv, &xe2_hpd_sa_info);
> -     else if (DISPLAY_VER(dev_priv) >= 14)
> -             tgl_get_bw_info(dev_priv, &mtl_sa_info);
> -     else if (IS_DG2(dev_priv))
> -             dg2_get_bw_info(dev_priv);
> -     else if (IS_ALDERLAKE_P(dev_priv))
> -             tgl_get_bw_info(dev_priv, &adlp_sa_info);
> -     else if (IS_ALDERLAKE_S(dev_priv))
> -             tgl_get_bw_info(dev_priv, &adls_sa_info);
> -     else if (IS_ROCKETLAKE(dev_priv))
> -             tgl_get_bw_info(dev_priv, &rkl_sa_info);
> -     else if (DISPLAY_VER(dev_priv) == 12)
> -             tgl_get_bw_info(dev_priv, &tgl_sa_info);
> -     else if (DISPLAY_VER(dev_priv) == 11)
> -             icl_get_bw_info(dev_priv, &icl_sa_info);
> +     if (DISPLAY_VERx100(display) >= 1401 && display->platform.dgfx)
> +             xe2_hpd_get_bw_info(display, &xe2_hpd_sa_info);
> +     else if (DISPLAY_VER(display) >= 14)
> +             tgl_get_bw_info(display, &mtl_sa_info);
> +     else if (display->platform.dg2)
> +             dg2_get_bw_info(display);
> +     else if (display->platform.alderlake_p)
> +             tgl_get_bw_info(display, &adlp_sa_info);
> +     else if (display->platform.alderlake_s)
> +             tgl_get_bw_info(display, &adls_sa_info);
> +     else if (display->platform.rocketlake)
> +             tgl_get_bw_info(display, &rkl_sa_info);
> +     else if (DISPLAY_VER(display) == 12)
> +             tgl_get_bw_info(display, &tgl_sa_info);
> +     else if (DISPLAY_VER(display) == 11)
> +             icl_get_bw_info(display, &icl_sa_info);
>  }
>  
>  static unsigned int intel_bw_crtc_num_active_planes(const struct 
> intel_crtc_state *crtc_state)
> @@ -772,8 +783,8 @@ static unsigned int intel_bw_crtc_num_active_planes(const 
> struct intel_crtc_stat
>  
>  static unsigned int intel_bw_crtc_data_rate(const struct intel_crtc_state 
> *crtc_state)
>  {
> +     struct intel_display *display = to_intel_display(crtc_state);
>       struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
> -     struct drm_i915_private *i915 = to_i915(crtc->base.dev);
>       unsigned int data_rate = 0;
>       enum plane_id plane_id;
>  
> @@ -787,7 +798,7 @@ static unsigned int intel_bw_crtc_data_rate(const struct 
> intel_crtc_state *crtc_
>  
>               data_rate += crtc_state->data_rate[plane_id];
>  
> -             if (DISPLAY_VER(i915) < 11)
> +             if (DISPLAY_VER(display) < 11)
>                       data_rate += crtc_state->data_rate_y[plane_id];
>       }
>  
> @@ -797,37 +808,37 @@ static unsigned int intel_bw_crtc_data_rate(const 
> struct intel_crtc_state *crtc_
>  /* "Maximum Pipe Read Bandwidth" */
>  static int intel_bw_crtc_min_cdclk(const struct intel_crtc_state *crtc_state)
>  {
> -     struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
> -     struct drm_i915_private *i915 = to_i915(crtc->base.dev);
> +     struct intel_display *display = to_intel_display(crtc_state);
>  
> -     if (DISPLAY_VER(i915) < 12)
> +     if (DISPLAY_VER(display) < 12)
>               return 0;
>  
>       return 
> DIV_ROUND_UP_ULL(mul_u32_u32(intel_bw_crtc_data_rate(crtc_state), 10), 512);
>  }
>  
> -static unsigned int intel_bw_num_active_planes(struct drm_i915_private 
> *dev_priv,
> +static unsigned int intel_bw_num_active_planes(struct intel_display *display,
>                                              const struct intel_bw_state 
> *bw_state)
>  {
>       unsigned int num_active_planes = 0;
>       enum pipe pipe;
>  
> -     for_each_pipe(dev_priv, pipe)
> +     for_each_pipe(display, pipe)
>               num_active_planes += bw_state->num_active_planes[pipe];
>  
>       return num_active_planes;
>  }
>  
> -static unsigned int intel_bw_data_rate(struct drm_i915_private *dev_priv,
> +static unsigned int intel_bw_data_rate(struct intel_display *display,
>                                      const struct intel_bw_state *bw_state)
>  {
> +     struct drm_i915_private *i915 = to_i915(display->drm);
>       unsigned int data_rate = 0;
>       enum pipe pipe;
>  
> -     for_each_pipe(dev_priv, pipe)
> +     for_each_pipe(display, pipe)
>               data_rate += bw_state->data_rate[pipe];
>  
> -     if (DISPLAY_VER(dev_priv) >= 13 && i915_vtd_active(dev_priv))
> +     if (DISPLAY_VER(display) >= 13 && i915_vtd_active(i915))
>               data_rate = DIV_ROUND_UP(data_rate * 105, 100);
>  
>       return data_rate;
> @@ -836,10 +847,10 @@ static unsigned int intel_bw_data_rate(struct 
> drm_i915_private *dev_priv,
>  struct intel_bw_state *
>  intel_atomic_get_old_bw_state(struct intel_atomic_state *state)
>  {
> -     struct drm_i915_private *dev_priv = to_i915(state->base.dev);
> +     struct intel_display *display = to_intel_display(state);
>       struct intel_global_state *bw_state;
>  
> -     bw_state = intel_atomic_get_old_global_obj_state(state, 
> &dev_priv->display.bw.obj);
> +     bw_state = intel_atomic_get_old_global_obj_state(state, 
> &display->bw.obj);
>  
>       return to_intel_bw_state(bw_state);
>  }
> @@ -847,10 +858,10 @@ intel_atomic_get_old_bw_state(struct intel_atomic_state 
> *state)
>  struct intel_bw_state *
>  intel_atomic_get_new_bw_state(struct intel_atomic_state *state)
>  {
> -     struct drm_i915_private *dev_priv = to_i915(state->base.dev);
> +     struct intel_display *display = to_intel_display(state);
>       struct intel_global_state *bw_state;
>  
> -     bw_state = intel_atomic_get_new_global_obj_state(state, 
> &dev_priv->display.bw.obj);
> +     bw_state = intel_atomic_get_new_global_obj_state(state, 
> &display->bw.obj);
>  
>       return to_intel_bw_state(bw_state);
>  }
> @@ -858,27 +869,27 @@ intel_atomic_get_new_bw_state(struct intel_atomic_state 
> *state)
>  struct intel_bw_state *
>  intel_atomic_get_bw_state(struct intel_atomic_state *state)
>  {
> -     struct drm_i915_private *dev_priv = to_i915(state->base.dev);
> +     struct intel_display *display = to_intel_display(state);
>       struct intel_global_state *bw_state;
>  
> -     bw_state = intel_atomic_get_global_obj_state(state, 
> &dev_priv->display.bw.obj);
> +     bw_state = intel_atomic_get_global_obj_state(state, &display->bw.obj);
>       if (IS_ERR(bw_state))
>               return ERR_CAST(bw_state);
>  
>       return to_intel_bw_state(bw_state);
>  }
>  
> -static unsigned int icl_max_bw_qgv_point_mask(struct drm_i915_private *i915,
> +static unsigned int icl_max_bw_qgv_point_mask(struct intel_display *display,
>                                             int num_active_planes)
>  {
> -     unsigned int num_qgv_points = i915->display.bw.max[0].num_qgv_points;
> +     unsigned int num_qgv_points = display->bw.max[0].num_qgv_points;
>       unsigned int max_bw_point = 0;
>       unsigned int max_bw = 0;
>       int i;
>  
>       for (i = 0; i < num_qgv_points; i++) {
>               unsigned int max_data_rate =
> -                     icl_qgv_bw(i915, num_active_planes, i);
> +                     icl_qgv_bw(display, num_active_planes, i);
>  
>               /*
>                * We need to know which qgv point gives us
> @@ -897,23 +908,23 @@ static unsigned int icl_max_bw_qgv_point_mask(struct 
> drm_i915_private *i915,
>       return max_bw_point;
>  }
>  
> -static u16 icl_prepare_qgv_points_mask(struct drm_i915_private *i915,
> +static u16 icl_prepare_qgv_points_mask(struct intel_display *display,
>                                      unsigned int qgv_points,
>                                      unsigned int psf_points)
>  {
>       return ~(ICL_PCODE_REQ_QGV_PT(qgv_points) |
> -              ADLS_PCODE_REQ_PSF_PT(psf_points)) & icl_qgv_points_mask(i915);
> +              ADLS_PCODE_REQ_PSF_PT(psf_points)) & 
> icl_qgv_points_mask(display);
>  }
>  
> -static unsigned int icl_max_bw_psf_gv_point_mask(struct drm_i915_private 
> *i915)
> +static unsigned int icl_max_bw_psf_gv_point_mask(struct intel_display 
> *display)
>  {
> -     unsigned int num_psf_gv_points = 
> i915->display.bw.max[0].num_psf_gv_points;
> +     unsigned int num_psf_gv_points = display->bw.max[0].num_psf_gv_points;
>       unsigned int max_bw_point_mask = 0;
>       unsigned int max_bw = 0;
>       int i;
>  
>       for (i = 0; i < num_psf_gv_points; i++) {
> -             unsigned int max_data_rate = adl_psf_bw(i915, i);
> +             unsigned int max_data_rate = adl_psf_bw(display, i);
>  
>               if (max_data_rate > max_bw) {
>                       max_bw_point_mask = BIT(i);
> @@ -926,29 +937,31 @@ static unsigned int icl_max_bw_psf_gv_point_mask(struct 
> drm_i915_private *i915)
>       return max_bw_point_mask;
>  }
>  
> -static void icl_force_disable_sagv(struct drm_i915_private *i915,
> +static void icl_force_disable_sagv(struct intel_display *display,
>                                  struct intel_bw_state *bw_state)
>  {
> -     unsigned int qgv_points = icl_max_bw_qgv_point_mask(i915, 0);
> -     unsigned int psf_points = icl_max_bw_psf_gv_point_mask(i915);
> +     struct drm_i915_private *i915 = to_i915(display->drm);
> +     unsigned int qgv_points = icl_max_bw_qgv_point_mask(display, 0);
> +     unsigned int psf_points = icl_max_bw_psf_gv_point_mask(display);
>  
> -     bw_state->qgv_points_mask = icl_prepare_qgv_points_mask(i915,
> +     bw_state->qgv_points_mask = icl_prepare_qgv_points_mask(display,
>                                                               qgv_points,
>                                                               psf_points);
>  
> -     drm_dbg_kms(&i915->drm, "Forcing SAGV disable: mask 0x%x\n",
> +     drm_dbg_kms(display->drm, "Forcing SAGV disable: mask 0x%x\n",
>                   bw_state->qgv_points_mask);
>  
>       icl_pcode_restrict_qgv_points(i915, bw_state->qgv_points_mask);
>  }
>  
> -static int mtl_find_qgv_points(struct drm_i915_private *i915,
> +static int mtl_find_qgv_points(struct intel_display *display,
>                              unsigned int data_rate,
>                              unsigned int num_active_planes,
>                              struct intel_bw_state *new_bw_state)
>  {
> +     struct drm_i915_private *i915 = to_i915(display->drm);
>       unsigned int best_rate = UINT_MAX;
> -     unsigned int num_qgv_points = i915->display.bw.max[0].num_qgv_points;
> +     unsigned int num_qgv_points = display->bw.max[0].num_qgv_points;
>       unsigned int qgv_peak_bw  = 0;
>       int i;
>       int ret;
> @@ -964,7 +977,7 @@ static int mtl_find_qgv_points(struct drm_i915_private 
> *i915,
>        */
>       if (!intel_can_enable_sagv(i915, new_bw_state)) {
>               new_bw_state->qgv_point_peakbw = U16_MAX;
> -             drm_dbg_kms(&i915->drm, "No SAGV, use UINT_MAX as peak bw.");
> +             drm_dbg_kms(display->drm, "No SAGV, use UINT_MAX as peak bw.");
>               return 0;
>       }
>  
> @@ -974,27 +987,27 @@ static int mtl_find_qgv_points(struct drm_i915_private 
> *i915,
>        */
>       for (i = 0; i < num_qgv_points; i++) {
>               unsigned int bw_index =
> -                     tgl_max_bw_index(i915, num_active_planes, i);
> +                     tgl_max_bw_index(display, num_active_planes, i);
>               unsigned int max_data_rate;
>  
> -             if (bw_index >= ARRAY_SIZE(i915->display.bw.max))
> +             if (bw_index >= ARRAY_SIZE(display->bw.max))
>                       continue;
>  
> -             max_data_rate = i915->display.bw.max[bw_index].deratedbw[i];
> +             max_data_rate = display->bw.max[bw_index].deratedbw[i];
>  
>               if (max_data_rate < data_rate)
>                       continue;
>  
>               if (max_data_rate - data_rate < best_rate) {
>                       best_rate = max_data_rate - data_rate;
> -                     qgv_peak_bw = i915->display.bw.max[bw_index].peakbw[i];
> +                     qgv_peak_bw = display->bw.max[bw_index].peakbw[i];
>               }
>  
> -             drm_dbg_kms(&i915->drm, "QGV point %d: max bw %d required %d 
> qgv_peak_bw: %d\n",
> +             drm_dbg_kms(display->drm, "QGV point %d: max bw %d required %d 
> qgv_peak_bw: %d\n",
>                           i, max_data_rate, data_rate, qgv_peak_bw);
>       }
>  
> -     drm_dbg_kms(&i915->drm, "Matching peaks QGV bw: %d for required data 
> rate: %d\n",
> +     drm_dbg_kms(display->drm, "Matching peaks QGV bw: %d for required data 
> rate: %d\n",
>                   qgv_peak_bw, data_rate);
>  
>       /*
> @@ -1002,7 +1015,7 @@ static int mtl_find_qgv_points(struct drm_i915_private 
> *i915,
>        * satisfying the required data rate is found
>        */
>       if (qgv_peak_bw == 0) {
> -             drm_dbg_kms(&i915->drm, "No QGV points for bw %d for display 
> configuration(%d active planes).\n",
> +             drm_dbg_kms(display->drm, "No QGV points for bw %d for display 
> configuration(%d active planes).\n",
>                           data_rate, num_active_planes);
>               return -EINVAL;
>       }
> @@ -1013,14 +1026,15 @@ static int mtl_find_qgv_points(struct 
> drm_i915_private *i915,
>       return 0;
>  }
>  
> -static int icl_find_qgv_points(struct drm_i915_private *i915,
> +static int icl_find_qgv_points(struct intel_display *display,
>                              unsigned int data_rate,
>                              unsigned int num_active_planes,
>                              const struct intel_bw_state *old_bw_state,
>                              struct intel_bw_state *new_bw_state)
>  {
> -     unsigned int num_psf_gv_points = 
> i915->display.bw.max[0].num_psf_gv_points;
> -     unsigned int num_qgv_points = i915->display.bw.max[0].num_qgv_points;
> +     struct drm_i915_private *i915 = to_i915(display->drm);
> +     unsigned int num_psf_gv_points = display->bw.max[0].num_psf_gv_points;
> +     unsigned int num_qgv_points = display->bw.max[0].num_qgv_points;
>       u16 psf_points = 0;
>       u16 qgv_points = 0;
>       int i;
> @@ -1031,22 +1045,22 @@ static int icl_find_qgv_points(struct 
> drm_i915_private *i915,
>               return ret;
>  
>       for (i = 0; i < num_qgv_points; i++) {
> -             unsigned int max_data_rate = icl_qgv_bw(i915,
> +             unsigned int max_data_rate = icl_qgv_bw(display,
>                                                       num_active_planes, i);
>               if (max_data_rate >= data_rate)
>                       qgv_points |= BIT(i);
>  
> -             drm_dbg_kms(&i915->drm, "QGV point %d: max bw %d required %d\n",
> +             drm_dbg_kms(display->drm, "QGV point %d: max bw %d required 
> %d\n",
>                           i, max_data_rate, data_rate);
>       }
>  
>       for (i = 0; i < num_psf_gv_points; i++) {
> -             unsigned int max_data_rate = adl_psf_bw(i915, i);
> +             unsigned int max_data_rate = adl_psf_bw(display, i);
>  
>               if (max_data_rate >= data_rate)
>                       psf_points |= BIT(i);
>  
> -             drm_dbg_kms(&i915->drm, "PSF GV point %d: max bw %d"
> +             drm_dbg_kms(display->drm, "PSF GV point %d: max bw %d"
>                           " required %d\n",
>                           i, max_data_rate, data_rate);
>       }
> @@ -1057,14 +1071,14 @@ static int icl_find_qgv_points(struct 
> drm_i915_private *i915,
>        * reasons.
>        */
>       if (qgv_points == 0) {
> -             drm_dbg_kms(&i915->drm, "No QGV points provide sufficient 
> memory"
> +             drm_dbg_kms(display->drm, "No QGV points provide sufficient 
> memory"
>                           " bandwidth %d for display configuration(%d active 
> planes).\n",
>                           data_rate, num_active_planes);
>               return -EINVAL;
>       }
>  
>       if (num_psf_gv_points > 0 && psf_points == 0) {
> -             drm_dbg_kms(&i915->drm, "No PSF GV points provide sufficient 
> memory"
> +             drm_dbg_kms(display->drm, "No PSF GV points provide sufficient 
> memory"
>                           " bandwidth %d for display configuration(%d active 
> planes).\n",
>                           data_rate, num_active_planes);
>               return -EINVAL;
> @@ -1076,8 +1090,8 @@ static int icl_find_qgv_points(struct drm_i915_private 
> *i915,
>        * cause.
>        */
>       if (!intel_can_enable_sagv(i915, new_bw_state)) {
> -             qgv_points = icl_max_bw_qgv_point_mask(i915, num_active_planes);
> -             drm_dbg_kms(&i915->drm, "No SAGV, using single QGV point mask 
> 0x%x\n",
> +             qgv_points = icl_max_bw_qgv_point_mask(display, 
> num_active_planes);
> +             drm_dbg_kms(display->drm, "No SAGV, using single QGV point mask 
> 0x%x\n",
>                           qgv_points);
>       }
>  
> @@ -1085,7 +1099,7 @@ static int icl_find_qgv_points(struct drm_i915_private 
> *i915,
>        * We store the ones which need to be masked as that is what PCode
>        * actually accepts as a parameter.
>        */
> -     new_bw_state->qgv_points_mask = icl_prepare_qgv_points_mask(i915,
> +     new_bw_state->qgv_points_mask = icl_prepare_qgv_points_mask(display,
>                                                                   qgv_points,
>                                                                   psf_points);
>       /*
> @@ -1101,38 +1115,38 @@ static int icl_find_qgv_points(struct 
> drm_i915_private *i915,
>       return 0;
>  }
>  
> -static int intel_bw_check_qgv_points(struct drm_i915_private *i915,
> +static int intel_bw_check_qgv_points(struct intel_display *display,
>                                    const struct intel_bw_state *old_bw_state,
>                                    struct intel_bw_state *new_bw_state)
>  {
> -     unsigned int data_rate = intel_bw_data_rate(i915, new_bw_state);
> +     unsigned int data_rate = intel_bw_data_rate(display, new_bw_state);
>       unsigned int num_active_planes =
> -                     intel_bw_num_active_planes(i915, new_bw_state);
> +                     intel_bw_num_active_planes(display, new_bw_state);
>  
>       data_rate = DIV_ROUND_UP(data_rate, 1000);
>  
> -     if (DISPLAY_VER(i915) >= 14)
> -             return mtl_find_qgv_points(i915, data_rate, num_active_planes,
> +     if (DISPLAY_VER(display) >= 14)
> +             return mtl_find_qgv_points(display, data_rate, 
> num_active_planes,
>                                          new_bw_state);
>       else
> -             return icl_find_qgv_points(i915, data_rate, num_active_planes,
> +             return icl_find_qgv_points(display, data_rate, 
> num_active_planes,
>                                          old_bw_state, new_bw_state);
>  }
>  
> -static bool intel_bw_state_changed(struct drm_i915_private *i915,
> +static bool intel_bw_state_changed(struct intel_display *display,
>                                  const struct intel_bw_state *old_bw_state,
>                                  const struct intel_bw_state *new_bw_state)
>  {
>       enum pipe pipe;
>  
> -     for_each_pipe(i915, pipe) {
> +     for_each_pipe(display, pipe) {
>               const struct intel_dbuf_bw *old_crtc_bw =
>                       &old_bw_state->dbuf_bw[pipe];
>               const struct intel_dbuf_bw *new_crtc_bw =
>                       &new_bw_state->dbuf_bw[pipe];
>               enum dbuf_slice slice;
>  
> -             for_each_dbuf_slice(i915, slice) {
> +             for_each_dbuf_slice(display, slice) {
>                       if (old_crtc_bw->max_bw[slice] != 
> new_crtc_bw->max_bw[slice] ||
>                           old_crtc_bw->active_planes[slice] != 
> new_crtc_bw->active_planes[slice])
>                               return true;
> @@ -1151,7 +1165,8 @@ static void skl_plane_calc_dbuf_bw(struct 
> intel_bw_state *bw_state,
>                                  const struct skl_ddb_entry *ddb,
>                                  unsigned int data_rate)
>  {
> -     struct drm_i915_private *i915 = to_i915(crtc->base.dev);
> +     struct intel_display *display = to_intel_display(crtc);
> +     struct drm_i915_private *i915 = to_i915(display->drm);
>       struct intel_dbuf_bw *crtc_bw = &bw_state->dbuf_bw[crtc->pipe];
>       unsigned int dbuf_mask = skl_ddb_dbuf_slice_mask(i915, ddb);
>       enum dbuf_slice slice;
> @@ -1160,7 +1175,7 @@ static void skl_plane_calc_dbuf_bw(struct 
> intel_bw_state *bw_state,
>        * The arbiter can only really guarantee an
>        * equal share of the total bw to each plane.
>        */
> -     for_each_dbuf_slice_in_mask(i915, slice, dbuf_mask) {
> +     for_each_dbuf_slice_in_mask(display, slice, dbuf_mask) {
>               crtc_bw->max_bw[slice] = max(crtc_bw->max_bw[slice], data_rate);
>               crtc_bw->active_planes[slice] |= BIT(plane_id);
>       }
> @@ -1169,8 +1184,8 @@ static void skl_plane_calc_dbuf_bw(struct 
> intel_bw_state *bw_state,
>  static void skl_crtc_calc_dbuf_bw(struct intel_bw_state *bw_state,
>                                 const struct intel_crtc_state *crtc_state)
>  {
> +     struct intel_display *display = to_intel_display(crtc_state);
>       struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
> -     struct drm_i915_private *i915 = to_i915(crtc->base.dev);
>       struct intel_dbuf_bw *crtc_bw = &bw_state->dbuf_bw[crtc->pipe];
>       enum plane_id plane_id;
>  
> @@ -1191,7 +1206,7 @@ static void skl_crtc_calc_dbuf_bw(struct intel_bw_state 
> *bw_state,
>                                      &crtc_state->wm.skl.plane_ddb[plane_id],
>                                      crtc_state->data_rate[plane_id]);
>  
> -             if (DISPLAY_VER(i915) < 11)
> +             if (DISPLAY_VER(display) < 11)
>                       skl_plane_calc_dbuf_bw(bw_state, crtc, plane_id,
>                                              
> &crtc_state->wm.skl.plane_ddb_y[plane_id],
>                                              crtc_state->data_rate[plane_id]);
> @@ -1200,13 +1215,13 @@ static void skl_crtc_calc_dbuf_bw(struct 
> intel_bw_state *bw_state,
>  
>  /* "Maximum Data Buffer Bandwidth" */
>  static int
> -intel_bw_dbuf_min_cdclk(struct drm_i915_private *i915,
> +intel_bw_dbuf_min_cdclk(struct intel_display *display,
>                       const struct intel_bw_state *bw_state)
>  {
>       unsigned int total_max_bw = 0;
>       enum dbuf_slice slice;
>  
> -     for_each_dbuf_slice(i915, slice) {
> +     for_each_dbuf_slice(display, slice) {
>               int num_active_planes = 0;
>               unsigned int max_bw = 0;
>               enum pipe pipe;
> @@ -1215,7 +1230,7 @@ intel_bw_dbuf_min_cdclk(struct drm_i915_private *i915,
>                * The arbiter can only really guarantee an
>                * equal share of the total bw to each plane.
>                */
> -             for_each_pipe(i915, pipe) {
> +             for_each_pipe(display, pipe) {
>                       const struct intel_dbuf_bw *crtc_bw = 
> &bw_state->dbuf_bw[pipe];
>  
>                       max_bw = max(crtc_bw->max_bw[slice], max_bw);
> @@ -1232,12 +1247,13 @@ intel_bw_dbuf_min_cdclk(struct drm_i915_private *i915,
>  int intel_bw_min_cdclk(struct drm_i915_private *i915,
>                      const struct intel_bw_state *bw_state)
>  {
> +     struct intel_display *display = &i915->display;
>       enum pipe pipe;
>       int min_cdclk;
>  
> -     min_cdclk = intel_bw_dbuf_min_cdclk(i915, bw_state);
> +     min_cdclk = intel_bw_dbuf_min_cdclk(display, bw_state);
>  
> -     for_each_pipe(i915, pipe)
> +     for_each_pipe(display, pipe)
>               min_cdclk = max(min_cdclk, bw_state->min_cdclk[pipe]);
>  
>       return min_cdclk;
> @@ -1246,6 +1262,7 @@ int intel_bw_min_cdclk(struct drm_i915_private *i915,
>  int intel_bw_calc_min_cdclk(struct intel_atomic_state *state,
>                           bool *need_cdclk_calc)
>  {
> +     struct intel_display *display = to_intel_display(state);
>       struct drm_i915_private *dev_priv = to_i915(state->base.dev);
>       struct intel_bw_state *new_bw_state = NULL;
>       const struct intel_bw_state *old_bw_state = NULL;
> @@ -1255,7 +1272,7 @@ int intel_bw_calc_min_cdclk(struct intel_atomic_state 
> *state,
>       struct intel_crtc *crtc;
>       int i;
>  
> -     if (DISPLAY_VER(dev_priv) < 9)
> +     if (DISPLAY_VER(display) < 9)
>               return 0;
>  
>       for_each_new_intel_crtc_in_state(state, crtc, crtc_state, i) {
> @@ -1274,7 +1291,7 @@ int intel_bw_calc_min_cdclk(struct intel_atomic_state 
> *state,
>       if (!old_bw_state)
>               return 0;
>  
> -     if (intel_bw_state_changed(dev_priv, old_bw_state, new_bw_state)) {
> +     if (intel_bw_state_changed(display, old_bw_state, new_bw_state)) {
>               int ret = intel_atomic_lock_global_state(&new_bw_state->base);
>               if (ret)
>                       return ret;
> @@ -1309,7 +1326,7 @@ int intel_bw_calc_min_cdclk(struct intel_atomic_state 
> *state,
>       if (new_min_cdclk <= cdclk_state->bw_min_cdclk)
>               return 0;
>  
> -     drm_dbg_kms(&dev_priv->drm,
> +     drm_dbg_kms(display->drm,
>                   "new bandwidth min cdclk (%d kHz) > old min cdclk (%d 
> kHz)\n",
>                   new_min_cdclk, cdclk_state->bw_min_cdclk);
>       *need_cdclk_calc = true;
> @@ -1319,7 +1336,7 @@ int intel_bw_calc_min_cdclk(struct intel_atomic_state 
> *state,
>  
>  static int intel_bw_check_data_rate(struct intel_atomic_state *state, bool 
> *changed)
>  {
> -     struct drm_i915_private *i915 = to_i915(state->base.dev);
> +     struct intel_display *display = to_intel_display(state);
>       const struct intel_crtc_state *new_crtc_state, *old_crtc_state;
>       struct intel_crtc *crtc;
>       int i;
> @@ -1353,7 +1370,7 @@ static int intel_bw_check_data_rate(struct 
> intel_atomic_state *state, bool *chan
>  
>               *changed = true;
>  
> -             drm_dbg_kms(&i915->drm,
> +             drm_dbg_kms(display->drm,
>                           "[CRTC:%d:%s] data rate %u num active planes %u\n",
>                           crtc->base.base.id, crtc->base.name,
>                           new_bw_state->data_rate[crtc->pipe],
> @@ -1365,14 +1382,15 @@ static int intel_bw_check_data_rate(struct 
> intel_atomic_state *state, bool *chan
>  
>  int intel_bw_atomic_check(struct intel_atomic_state *state)
>  {
> +     struct intel_display *display = to_intel_display(state);
> +     struct drm_i915_private *i915 = to_i915(display->drm);
>       bool changed = false;
> -     struct drm_i915_private *i915 = to_i915(state->base.dev);
>       struct intel_bw_state *new_bw_state;
>       const struct intel_bw_state *old_bw_state;
>       int ret;
>  
>       /* FIXME earlier gens need some checks too */
> -     if (DISPLAY_VER(i915) < 11)
> +     if (DISPLAY_VER(display) < 11)
>               return 0;
>  
>       ret = intel_bw_check_data_rate(state, &changed);
> @@ -1395,7 +1413,7 @@ int intel_bw_atomic_check(struct intel_atomic_state 
> *state)
>       if (!changed)
>               return 0;
>  
> -     ret = intel_bw_check_qgv_points(i915, old_bw_state, new_bw_state);
> +     ret = intel_bw_check_qgv_points(display, old_bw_state, new_bw_state);
>       if (ret)
>               return ret;
>  
> @@ -1407,8 +1425,8 @@ int intel_bw_atomic_check(struct intel_atomic_state 
> *state)
>  static void intel_bw_crtc_update(struct intel_bw_state *bw_state,
>                                const struct intel_crtc_state *crtc_state)
>  {
> +     struct intel_display *display = to_intel_display(crtc_state);
>       struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
> -     struct drm_i915_private *i915 = to_i915(crtc->base.dev);
>  
>       bw_state->data_rate[crtc->pipe] =
>               intel_bw_crtc_data_rate(crtc_state);
> @@ -1416,7 +1434,7 @@ static void intel_bw_crtc_update(struct intel_bw_state 
> *bw_state,
>               intel_bw_crtc_num_active_planes(crtc_state);
>       bw_state->force_check_qgv = true;
>  
> -     drm_dbg_kms(&i915->drm, "pipe %c data rate %u num active planes %u\n",
> +     drm_dbg_kms(display->drm, "pipe %c data rate %u num active planes %u\n",
>                   pipe_name(crtc->pipe),
>                   bw_state->data_rate[crtc->pipe],
>                   bw_state->num_active_planes[crtc->pipe]);
> @@ -1499,8 +1517,8 @@ int intel_bw_init(struct drm_i915_private *i915)
>        * Limit this only if we have SAGV. And for Display version 14 onwards
>        * sagv is handled though pmdemand requests
>        */
> -     if (intel_has_sagv(i915) && IS_DISPLAY_VER(i915, 11, 13))
> -             icl_force_disable_sagv(i915, state);
> +     if (intel_has_sagv(i915) && IS_DISPLAY_VER(display, 11, 13))
> +             icl_force_disable_sagv(display, state);
>  
>       return 0;
>  }
> 
> -- 
> 2.48.1

-- 
Ville Syrjälä
Intel

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