drm/i915/icl: Implement Display WA_1405510057 (22dae8a0) · Commits · 戴 / test

Display WA_1405510057 asks to not enable YUV 420 HDMI 10bpc when horizontal blank size mod 8 reminder is 2. V2: Rebase(r-b: Anusha) V3: crtc_state->s/ycbcr420/output_format/ Cc: Anusha Srivatsa <anusha.srivatsa@intel.com> Cc: Paulo Zanoni <paulo.r.zanoni@intel.com> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by:

Radhakrishna Sripada <radhakrishna.sripada@intel.com> Reviewed-by:

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

Rodrigo Vivi <rodrigo.vivi@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20181030084504.21537-2-radhakrishna.sripada@intel.com

drivers/gpu/drm/i915/intel_hdmi.c

+10 −1

Original line number	Diff line number	Diff line
		@@ -1594,6 +1594,8 @@ static bool hdmi_deep_color_possible(const struct intel_crtc_state *crtc_state,
		struct drm_atomic_state *state = crtc_state->base.state;
		struct drm_connector_state *connector_state;
		struct drm_connector *connector;
		const struct drm_display_mode *adjusted_mode =
		&crtc_state->base.adjusted_mode;
		int i;

		if (HAS_GMCH_DISPLAY(dev_priv))
		@@ -1642,7 +1644,14 @@ static bool hdmi_deep_color_possible(const struct intel_crtc_state *crtc_state,

		/* Display WA #1139: glk */
		if (bpc == 12 && IS_GLK_REVID(dev_priv, 0, GLK_REVID_A1) &&
		crtc_state->base.adjusted_mode.htotal > 5460)
		adjusted_mode->htotal > 5460)
		return false;

		/* Display Wa_1405510057:icl */
		if (crtc_state->output_format == INTEL_OUTPUT_FORMAT_YCBCR420 &&
		bpc == 10 && IS_ICELAKE(dev_priv) &&
		(adjusted_mode->crtc_hblank_end -
		adjusted_mode->crtc_hblank_start) % 8 == 2)
		return false;

		return true;

Admin message