[Intel-gfx] [PATCH 3/3] drm/i915: Updating the CPU_TRANSCODER for BXT DSI

[Ramalingam C]

In case of BXT DSI we are updating the CPU_TRANSCODER
with appropriate value.

Signed-off-by: Ramalingam C <ramalingam.c at intel.com>
Signed-off-by: Uma Shankar <uma.shankar at intel.com>
---
 drivers/gpu/drm/i915/i915_drv.h      |    2 ++
 drivers/gpu/drm/i915/intel_display.c |    5 +++++
 2 files changed, 7 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 65a2cd0..ef4b376 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -122,6 +122,8 @@ enum transcoder {
 	TRANSCODER_B,
 	TRANSCODER_C,
 	TRANSCODER_EDP,
+	TRANSCODER_MIPI_A,
+	TRANSCODER_MIPI_C,
 	I915_MAX_TRANSCODERS
 };
 #define transcoder_name(t) ((t) + 'A')
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index e47a75c..9715056 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -7851,6 +7851,11 @@ static void intel_get_dsi_pipe_timings(struct intel_crtc *crtc,
 				enc_to_intel_dsi(&encoder->base);
 			pipe_config->pipe_bpp =
 				dsi_pixel_format_bpp(intel_dsi->pixel_format);
+
+			if (intel_dsi->ports & (1 << PORT_A))
+				pipe_config->cpu_transcoder = TRANSCODER_MIPI_A;
+			else
+				pipe_config->cpu_transcoder = TRANSCODER_MIPI_C;
 		}
 	}
 
-- 
1.7.9.5