From: Madhav Chauhan <[email protected]>

This patch implements the functionality for getting PIPE
configuration to which DSI encoder is connected. Used during
the atomic modeset.

v2: use intel_dsi_bitrate instead of intel_dsi->pclk

Signed-off-by: Madhav Chauhan <[email protected]>
Signed-off-by: Vandita Kulkarni <[email protected]>
---
 drivers/gpu/drm/i915/icl_dsi.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/drivers/gpu/drm/i915/icl_dsi.c b/drivers/gpu/drm/i915/icl_dsi.c
index d2bb369..6cb3bf8 100644
--- a/drivers/gpu/drm/i915/icl_dsi.c
+++ b/drivers/gpu/drm/i915/icl_dsi.c
@@ -665,3 +665,16 @@ static void __attribute__((unused))
        /* step6d: enable dsi transcoder */
        gen11_dsi_enable_transcoder(encoder);
 }
+
+static void __attribute__((unused))
+gen11_dsi_get_config(struct intel_encoder *encoder,
+                                struct intel_crtc_state *pipe_config)
+{
+       struct intel_dsi *intel_dsi = container_of(encoder, struct intel_dsi,
+                                                  base);
+       u32 pixel_clk;
+
+       pixel_clk = intel_dsi_bitrate(intel_dsi);
+       pipe_config->base.adjusted_mode.crtc_clock = pixel_clk;
+       pipe_config->port_clock = pixel_clk;
+}
-- 
1.9.1

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