drm/i915: Kill WA 0826 (28b2f4e1) · Commits · 戴 / test

According to BSpec this is not needed anymore: "This workaround is no longer needed since NV12 support is dropped for the affected projects. " Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by:

Rodrigo Vivi <rodrigo.vivi@intel.com> Reviewed-by:

Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20181031162845.12419-2-rodrigo.vivi@intel.com

drivers/gpu/drm/i915/intel_pm.c

+0 −11

Original line number	Diff line number	Diff line
		@@ -4823,17 +4823,6 @@ static int skl_compute_plane_wm(const struct drm_i915_private *dev_priv,
		}
		}

		/*
		* Display WA #826 (SKL:ALL, BXT:ALL) & #1059 (CNL:A)
		* disable wm level 1-7 on NV12 planes
		*/
		if (wp->is_planar && level >= 1 &&
		(IS_SKYLAKE(dev_priv) \|\| IS_BROXTON(dev_priv) \|\|
		IS_CNL_REVID(dev_priv, CNL_REVID_A0, CNL_REVID_A0))) {
		result->plane_en = false;
		return 0;
		}

		/* The number of lines are ignored for the level 0 watermark. */
		result->plane_res_b = res_blocks;
		result->plane_res_l = res_lines;

Admin message