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drm/i915/icl: Get DSI transcoder for a given port 

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@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/f88ff26fa10c68e37b7838bb7c8573c881474e73.1539613303.git.jani.nikula@intel.com
This commit is contained in:
Madhav Chauhan 2018-10-15 17:27:56 +03:00 committed by Jani Nikula
parent 5fea864558
commit ca8fc99f2a
2 changed files with 12 additions and 2 deletions
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8
drivers/gpu/drm/i915/icl_dsi.c
View File

@ -27,6 +27,14 @@
#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);

6
drivers/gpu/drm/i915/intel_display.h
View File

@ -61,8 +61,10 @@ 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
};