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Commit 3522a33a authored by Vandita Kulkarni's avatar Vandita Kulkarni Committed by Uma Shankar
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drm/i915/tgl/dsi: Program TRANS_VBLANK register 



Program vblank register for mipi dsi in video mode
on TGL.

Signed-off-by: default avatarVandita Kulkarni <vandita.kulkarni@intel.com>
Reviewed-by: default avatarUma Shankar <uma.shankar@intel.com>
Signed-off-by: default avatarUma Shankar <uma.shankar@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190730073648.5157-2-vandita.kulkarni@intel.com
parent 707d26dc

drivers/gpu/drm/i915/display/icl_dsi.c

+9 −0
Original line number Diff line number Diff line
@@ -862,6 +862,15 @@ gen11_dsi_set_transcoder_timings(struct intel_encoder *encoder, 
		dsi_trans = dsi_port_to_transcoder(port);

		I915_WRITE(VSYNCSHIFT(dsi_trans), vsync_shift);

	}



	/* program TRANS_VBLANK register, should be same as vtotal programmed */

	if (INTEL_GEN(dev_priv) >= 12) {

		for_each_dsi_port(port, intel_dsi->ports) {

			dsi_trans = dsi_port_to_transcoder(port);

			I915_WRITE(VBLANK(dsi_trans),

				   (vactive - 1) | ((vtotal - 1) << 16));

		}

	}

}



static void gen11_dsi_enable_transcoder(struct intel_encoder *encoder)