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Commit 6043801f authored by Deepak M's avatar Deepak M Committed by Jani Nikula
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drm/i915: Set the Z inversion overlap field 



Dual link Z-inversion overlap field is present
in MIPI_CTRL register unlike the older platforms,
hence setting the same in this patch.

Signed-off-by: default avatarDeepak M <m.deepak@intel.com>
Signed-off-by: default avatarMadhav Chauhan <madhav.chauhan@intel.com>
Signed-off-by: default avatarJani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1487078180-15147-5-git-send-email-madhav.chauhan@intel.com
parent 3582ad13

drivers/gpu/drm/i915/intel_dsi.c

+13 −4
Original line number Original line Diff line number Diff line
@@ -456,13 +456,22 @@ static void intel_dsi_port_enable(struct intel_encoder *encoder) 




	if (intel_dsi->dual_link == DSI_DUAL_LINK_FRONT_BACK) {

	if (intel_dsi->dual_link == DSI_DUAL_LINK_FRONT_BACK) {

		u32 temp;

		u32 temp;



		if (IS_GEN9_LP(dev_priv)) {

			for_each_dsi_port(port, intel_dsi->ports) {

				temp = I915_READ(MIPI_CTRL(port));

				temp &= ~BXT_PIXEL_OVERLAP_CNT_MASK |

					intel_dsi->pixel_overlap <<

					BXT_PIXEL_OVERLAP_CNT_SHIFT;

				I915_WRITE(MIPI_CTRL(port), temp);

			}

		} else {

			temp = I915_READ(VLV_CHICKEN_3);

			temp = I915_READ(VLV_CHICKEN_3);

			temp &= ~PIXEL_OVERLAP_CNT_MASK |

			temp &= ~PIXEL_OVERLAP_CNT_MASK |

					intel_dsi->pixel_overlap <<

					intel_dsi->pixel_overlap <<

					PIXEL_OVERLAP_CNT_SHIFT;

					PIXEL_OVERLAP_CNT_SHIFT;

			I915_WRITE(VLV_CHICKEN_3, temp);

			I915_WRITE(VLV_CHICKEN_3, temp);

		}

		}

	}





	for_each_dsi_port(port, intel_dsi->ports) {

	for_each_dsi_port(port, intel_dsi->ports) {

		i915_reg_t port_ctrl = IS_GEN9_LP(dev_priv) ?

		i915_reg_t port_ctrl = IS_GEN9_LP(dev_priv) ?