diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_bw.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_bw.c | 66 |
1 files changed, 51 insertions, 15 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_bw.c b/drivers/gpu/drm/i915/display/intel_bw.c index 79269d2c476b..c87bc3117ae4 100644 --- a/drivers/gpu/drm/i915/display/intel_bw.c +++ b/drivers/gpu/drm/i915/display/intel_bw.c @@ -147,7 +147,32 @@ static int icl_get_qgv_points(struct drm_i915_private *dev_priv, qi->num_points = dram_info->num_qgv_points; qi->num_psf_points = dram_info->num_psf_gv_points; - if (DISPLAY_VER(dev_priv) >= 12) + if (DISPLAY_VER(dev_priv) >= 14) { + switch (dram_info->type) { + case INTEL_DRAM_DDR4: + qi->t_bl = 4; + qi->max_numchannels = 2; + qi->channel_width = 64; + qi->deinterleave = 2; + break; + case INTEL_DRAM_DDR5: + qi->t_bl = 8; + qi->max_numchannels = 4; + qi->channel_width = 32; + qi->deinterleave = 2; + break; + case INTEL_DRAM_LPDDR4: + case INTEL_DRAM_LPDDR5: + qi->t_bl = 16; + qi->max_numchannels = 8; + qi->channel_width = 16; + qi->deinterleave = 4; + break; + default: + MISSING_CASE(dram_info->type); + return -EINVAL; + } + } else if (DISPLAY_VER(dev_priv) >= 12) { switch (dram_info->type) { case INTEL_DRAM_DDR4: qi->t_bl = is_y_tile ? 8 : 4; @@ -181,7 +206,7 @@ static int icl_get_qgv_points(struct drm_i915_private *dev_priv, qi->max_numchannels = 1; break; } - else if (DISPLAY_VER(dev_priv) == 11) { + } else if (DISPLAY_VER(dev_priv) == 11) { qi->t_bl = dev_priv->dram_info.type == INTEL_DRAM_DDR4 ? 4 : 8; qi->max_numchannels = 1; } @@ -284,6 +309,13 @@ static const struct intel_sa_info adlp_sa_info = { .derating = 20, }; +static const struct intel_sa_info mtl_sa_info = { + .deburst = 32, + .deprogbwlimit = 38, /* GB/s */ + .displayrtids = 256, + .derating = 20, +}; + static int icl_get_bw_info(struct drm_i915_private *dev_priv, const struct intel_sa_info *sa) { struct intel_qgv_info qi = {}; @@ -346,9 +378,9 @@ 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->sagv_status = I915_SAGV_NOT_CONTROLLED; + dev_priv->display.sagv.status = I915_SAGV_NOT_CONTROLLED; else - dev_priv->sagv_status = I915_SAGV_ENABLED; + dev_priv->display.sagv.status = I915_SAGV_ENABLED; return 0; } @@ -404,15 +436,17 @@ static int tgl_get_bw_info(struct drm_i915_private *dev_priv, const struct intel int clpchgroup; int j; - if (i < num_groups - 1) - bi_next = &dev_priv->max_bw[i + 1]; - clpchgroup = (sa->deburst * qi.deinterleave / num_channels) << i; - if (i < num_groups - 1 && clpchgroup < clperchgroup) - bi_next->num_planes = (ipqdepth - clpchgroup) / clpchgroup + 1; - else - bi_next->num_planes = 0; + if (i < num_groups - 1) { + bi_next = &dev_priv->max_bw[i + 1]; + + if (clpchgroup < clperchgroup) + bi_next->num_planes = (ipqdepth - clpchgroup) / + clpchgroup + 1; + else + bi_next->num_planes = 0; + } bi->num_qgv_points = qi.num_points; bi->num_psf_gv_points = qi.num_psf_points; @@ -456,9 +490,9 @@ 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->sagv_status = I915_SAGV_NOT_CONTROLLED; + dev_priv->display.sagv.status = I915_SAGV_NOT_CONTROLLED; else - dev_priv->sagv_status = I915_SAGV_ENABLED; + dev_priv->display.sagv.status = I915_SAGV_ENABLED; return 0; } @@ -485,7 +519,7 @@ static void dg2_get_bw_info(struct drm_i915_private *i915) bi->deratedbw[0] = deratedbw; } - i915->sagv_status = I915_SAGV_NOT_CONTROLLED; + i915->display.sagv.status = I915_SAGV_NOT_CONTROLLED; } static unsigned int icl_max_bw(struct drm_i915_private *dev_priv, @@ -558,7 +592,9 @@ void intel_bw_init_hw(struct drm_i915_private *dev_priv) if (!HAS_DISPLAY(dev_priv)) return; - if (IS_DG2(dev_priv)) + 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); |