diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_bw.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_bw.c | 88 |
1 files changed, 69 insertions, 19 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_bw.c b/drivers/gpu/drm/i915/display/intel_bw.c index 23edc81741de..98b898a1de8f 100644 --- a/drivers/gpu/drm/i915/display/intel_bw.c +++ b/drivers/gpu/drm/i915/display/intel_bw.c @@ -244,6 +244,7 @@ static int icl_get_qgv_points(struct drm_i915_private *dev_priv, qi->deinterleave = 4; break; case INTEL_DRAM_GDDR: + case INTEL_DRAM_GDDR_ECC: qi->channel_width = 32; break; default: @@ -398,6 +399,12 @@ static const struct intel_sa_info xe2_hpd_sa_info = { /* Other values not used by simplified algorithm */ }; +static const struct intel_sa_info xe2_hpd_ecc_sa_info = { + .derating = 45, + .deprogbwlimit = 53, + /* 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) { struct intel_qgv_info qi = {}; @@ -740,10 +747,15 @@ static unsigned int icl_qgv_bw(struct drm_i915_private *i915, void intel_bw_init_hw(struct drm_i915_private *dev_priv) { + const struct dram_info *dram_info = &dev_priv->dram_info; + if (!HAS_DISPLAY(dev_priv)) return; - if (DISPLAY_VERx100(dev_priv) >= 1401 && IS_DGFX(dev_priv)) + if (DISPLAY_VERx100(dev_priv) >= 1401 && IS_DGFX(dev_priv) && + dram_info->type == INTEL_DRAM_GDDR_ECC) + xe2_hpd_get_bw_info(dev_priv, &xe2_hpd_ecc_sa_info); + else 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); @@ -806,24 +818,6 @@ static int intel_bw_crtc_min_cdclk(const struct intel_crtc_state *crtc_state) return DIV_ROUND_UP_ULL(mul_u32_u32(intel_bw_crtc_data_rate(crtc_state), 10), 512); } -void intel_bw_crtc_update(struct intel_bw_state *bw_state, - 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); - - bw_state->data_rate[crtc->pipe] = - intel_bw_crtc_data_rate(crtc_state); - bw_state->num_active_planes[crtc->pipe] = - 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", - pipe_name(crtc->pipe), - bw_state->data_rate[crtc->pipe], - bw_state->num_active_planes[crtc->pipe]); -} - static unsigned int intel_bw_num_active_planes(struct drm_i915_private *dev_priv, const struct intel_bw_state *bw_state) { @@ -1422,6 +1416,62 @@ int intel_bw_atomic_check(struct intel_atomic_state *state) return 0; } +static void intel_bw_crtc_update(struct intel_bw_state *bw_state, + 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); + + bw_state->data_rate[crtc->pipe] = + intel_bw_crtc_data_rate(crtc_state); + bw_state->num_active_planes[crtc->pipe] = + 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", + pipe_name(crtc->pipe), + bw_state->data_rate[crtc->pipe], + bw_state->num_active_planes[crtc->pipe]); +} + +void intel_bw_update_hw_state(struct intel_display *display) +{ + struct intel_bw_state *bw_state = + to_intel_bw_state(display->bw.obj.state); + struct intel_crtc *crtc; + + if (DISPLAY_VER(display) < 9) + return; + + bw_state->active_pipes = 0; + + for_each_intel_crtc(display->drm, crtc) { + const struct intel_crtc_state *crtc_state = + to_intel_crtc_state(crtc->base.state); + enum pipe pipe = crtc->pipe; + + if (crtc_state->hw.active) + bw_state->active_pipes |= BIT(pipe); + + if (DISPLAY_VER(display) >= 11) + intel_bw_crtc_update(bw_state, crtc_state); + } +} + +void intel_bw_crtc_disable_noatomic(struct intel_crtc *crtc) +{ + struct intel_display *display = to_intel_display(crtc); + struct intel_bw_state *bw_state = + to_intel_bw_state(display->bw.obj.state); + enum pipe pipe = crtc->pipe; + + if (DISPLAY_VER(display) < 9) + return; + + bw_state->data_rate[pipe] = 0; + bw_state->num_active_planes[pipe] = 0; +} + static struct intel_global_state * intel_bw_duplicate_state(struct intel_global_obj *obj) { |