diff options
| author | José Roberto de Souza <jose.souza@intel.com> | 2021-11-03 18:08:58 -0700 |
|---|---|---|
| committer | José Roberto de Souza <jose.souza@intel.com> | 2021-11-05 15:02:15 -0700 |
| commit | 4fe7907f3775034140a518d1582580926da98ee2 (patch) | |
| tree | 15438235b661ff2b68594e2857287f9fa55f4351 /drivers/gpu/drm/i915/display/intel_display.c | |
| parent | f47a0e35846740ca72b8ba6be84b5b518abcebce (diff) | |
drm/i915/display/adlp: Disable underrun recovery
It was also defeatured for ADL-P and other platforms.
BSpec: 55424
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211104010858.43559-1-jose.souza@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_display.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_display.c | 39 |
1 files changed, 7 insertions, 32 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 0b43650b0e4f..4cd268ca52fb 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -956,26 +956,6 @@ unlock: clear_bit_unlock(I915_RESET_MODESET, &dev_priv->gt.reset.flags); } -static bool underrun_recovery_supported(const struct intel_crtc_state *crtc_state) -{ - if (crtc_state->pch_pfit.enabled && - (crtc_state->pipe_src_w > drm_rect_width(&crtc_state->pch_pfit.dst) || - crtc_state->pipe_src_h > drm_rect_height(&crtc_state->pch_pfit.dst) || - crtc_state->output_format == INTEL_OUTPUT_FORMAT_YCBCR420)) - return false; - - if (crtc_state->dsc.compression_enable) - return false; - - if (crtc_state->has_psr2) - return false; - - if (crtc_state->splitter.enable) - return false; - - return true; -} - static void icl_set_pipe_chicken(const struct intel_crtc_state *crtc_state) { struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); @@ -999,19 +979,14 @@ static void icl_set_pipe_chicken(const struct intel_crtc_state *crtc_state) */ tmp |= PIXEL_ROUNDING_TRUNC_FB_PASSTHRU; - if (IS_DG2(dev_priv)) { - /* - * Underrun recovery must always be disabled on DG2. However - * the chicken bit meaning is inverted compared to other - * platforms. - */ + /* + * Underrun recovery must always be disabled on display 13+. + * DG2 chicken bit meaning is inverted compared to other platforms. + */ + if (IS_DG2(dev_priv)) tmp &= ~UNDERRUN_RECOVERY_ENABLE_DG2; - } else if (DISPLAY_VER(dev_priv) >= 13) { - if (underrun_recovery_supported(crtc_state)) - tmp &= ~UNDERRUN_RECOVERY_DISABLE_ADLP; - else - tmp |= UNDERRUN_RECOVERY_DISABLE_ADLP; - } + else if (DISPLAY_VER(dev_priv) >= 13) + tmp |= UNDERRUN_RECOVERY_DISABLE_ADLP; intel_de_write(dev_priv, PIPE_CHICKEN(pipe), tmp); } |