diff options
Diffstat (limited to '')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_cdclk.c | 32 |
1 files changed, 22 insertions, 10 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.c b/drivers/gpu/drm/i915/display/intel_cdclk.c index ed8c7ce62119..0ce5926006ca 100644 --- a/drivers/gpu/drm/i915/display/intel_cdclk.c +++ b/drivers/gpu/drm/i915/display/intel_cdclk.c @@ -1904,7 +1904,7 @@ intel_set_cdclk_post_plane_update(struct drm_i915_private *dev_priv, static int intel_pixel_rate_to_cdclk(const struct intel_crtc_state *crtc_state) { - struct drm_i915_private *dev_priv = to_i915(crtc_state->base.crtc->dev); + struct drm_i915_private *dev_priv = to_i915(crtc_state->uapi.crtc->dev); int pixel_rate = crtc_state->pixel_rate; if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv)) @@ -1922,7 +1922,7 @@ static int intel_pixel_rate_to_cdclk(const struct intel_crtc_state *crtc_state) static int intel_planes_min_cdclk(const struct intel_crtc_state *crtc_state) { - struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc); + struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); struct intel_plane *plane; int min_cdclk = 0; @@ -1936,10 +1936,10 @@ static int intel_planes_min_cdclk(const struct intel_crtc_state *crtc_state) int intel_crtc_compute_min_cdclk(const struct intel_crtc_state *crtc_state) { struct drm_i915_private *dev_priv = - to_i915(crtc_state->base.crtc->dev); + to_i915(crtc_state->uapi.crtc->dev); int min_cdclk; - if (!crtc_state->base.enable) + if (!crtc_state->hw.enable) return 0; min_cdclk = intel_pixel_rate_to_cdclk(crtc_state); @@ -2004,6 +2004,18 @@ int intel_crtc_compute_min_cdclk(const struct intel_crtc_state *crtc_state) /* Account for additional needs from the planes */ min_cdclk = max(intel_planes_min_cdclk(crtc_state), min_cdclk); + /* + * HACK. Currently for TGL platforms we calculate + * min_cdclk initially based on pixel_rate divided + * by 2, accounting for also plane requirements, + * however in some cases the lowest possible CDCLK + * doesn't work and causing the underruns. + * Explicitly stating here that this seems to be currently + * rather a Hack, than final solution. + */ + if (IS_TIGERLAKE(dev_priv)) + min_cdclk = max(min_cdclk, (int)crtc_state->pixel_rate); + if (min_cdclk > dev_priv->max_cdclk_freq) { DRM_DEBUG_KMS("required cdclk (%d kHz) exceeds max (%d kHz)\n", min_cdclk, dev_priv->max_cdclk_freq); @@ -2076,7 +2088,7 @@ static int bxt_compute_min_voltage_level(struct intel_atomic_state *state) for_each_new_intel_crtc_in_state(state, crtc, crtc_state, i) { int ret; - if (crtc_state->base.enable) + if (crtc_state->hw.enable) min_voltage_level = crtc_state->min_voltage_level; else min_voltage_level = 0; @@ -2170,7 +2182,7 @@ static int skl_dpll0_vco(struct intel_atomic_state *state) vco = dev_priv->skl_preferred_vco_freq; for_each_new_intel_crtc_in_state(state, crtc, crtc_state, i) { - if (!crtc_state->base.enable) + if (!crtc_state->hw.enable) continue; if (!intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP)) @@ -2283,11 +2295,11 @@ static int intel_modeset_all_pipes(struct intel_atomic_state *state) if (IS_ERR(crtc_state)) return PTR_ERR(crtc_state); - if (!crtc_state->base.active || - drm_atomic_crtc_needs_modeset(&crtc_state->base)) + if (!crtc_state->hw.active || + drm_atomic_crtc_needs_modeset(&crtc_state->uapi)) continue; - crtc_state->base.mode_changed = true; + crtc_state->uapi.mode_changed = true; ret = drm_atomic_add_affected_connectors(&state->base, &crtc->base); @@ -2368,7 +2380,7 @@ int intel_modeset_calc_cdclk(struct intel_atomic_state *state) if (IS_ERR(crtc_state)) return PTR_ERR(crtc_state); - if (drm_atomic_crtc_needs_modeset(&crtc_state->base)) + if (drm_atomic_crtc_needs_modeset(&crtc_state->uapi)) pipe = INVALID_PIPE; } else { pipe = INVALID_PIPE; |