This patch adds a helper function to retrieve DSI
transcoder for a given DSI port using newly defined
enum names for DSI transcoders.
Signed-off-by: Madhav Chauhan <madhav.chauhan@xxxxxxxxx>
---
drivers/gpu/drm/i915/intel_display.h | 6 ++++--
drivers/gpu/drm/i915/intel_dsi_new.c | 9 +++++++++
2 files changed, 13 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_display.h b/drivers/gpu/drm/i915/intel_display.h
index c88185e..c47d053 100644
--- a/drivers/gpu/drm/i915/intel_display.h
+++ b/drivers/gpu/drm/i915/intel_display.h
@@ -43,8 +43,10 @@ enum transcoder {
TRANSCODER_B,
TRANSCODER_C,
TRANSCODER_EDP,
- TRANSCODER_DSI_A,
- TRANSCODER_DSI_C,
+ TRANSCODER_DSI_0,
+ TRANSCODER_DSI_1,
+ TRANSCODER_DSI_A = TRANSCODER_DSI_0, /* legacy DSI */
+ TRANSCODER_DSI_C = TRANSCODER_DSI_1, /* legacy DSI */
I915_MAX_TRANSCODERS
};
diff --git a/drivers/gpu/drm/i915/intel_dsi_new.c b/drivers/gpu/drm/i915/intel_dsi_new.c
index ada075f..dd2f186 100644
--- a/drivers/gpu/drm/i915/intel_dsi_new.c
+++ b/drivers/gpu/drm/i915/intel_dsi_new.c
@@ -28,6 +28,15 @@
#include "intel_dsi.h"
+static enum transcoder __attribute__((unused)) dsi_port_to_transcoder(
+ enum port port)
+{
+ if (port == PORT_A)
+ return TRANSCODER_DSI_0;
+ else
+ return TRANSCODER_DSI_1;
+}
+
static void dsi_program_swing_and_deemphasis(struct intel_encoder *encoder)
{
struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
--
2.7.4
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