No need to bump up CDCLK now, as it is now correctly
calculated, accounting for DBuf BW as BSpec says.
Reviewed-by: Manasi Navare <manasi.d.navare@xxxxxxxxx>
Signed-off-by: Stanislav Lisovskiy <stanislav.lisovskiy@xxxxxxxxx>
---
drivers/gpu/drm/i915/display/intel_cdclk.c | 12 ------------
1 file changed, 12 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.c b/drivers/gpu/drm/i915/display/intel_cdclk.c
index 2e0217821bf5..6c7789cdc3ba 100644
--- a/drivers/gpu/drm/i915/display/intel_cdclk.c
+++ b/drivers/gpu/drm/i915/display/intel_cdclk.c
@@ -2070,18 +2070,6 @@ 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_dbg_kms(&dev_priv->drm,
"required cdclk (%d kHz) exceeds max (%d kHz)\n",
--
2.24.1.485.gad05a3d8e5
_______________________________________________
Intel-gfx mailing list
Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
