This patch adds _MMIO_DSI and _DSI_TRANS macros for accessing
DSI transcoder registers.

Credits-to: Jani N

Cc: Jani Nikula <jani.nik...@intel.com>
Signed-off-by: Madhav Chauhan <madhav.chau...@intel.com>
---
 drivers/gpu/drm/i915/i915_reg.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 1d13ba9..62bc76e 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -9576,6 +9576,11 @@ enum skl_power_gate {
 #define _MIPI_PORT(port, a, c) (((port) == PORT_A) ? a : c)    /* ports A and 
C only */
 #define _MMIO_MIPI(port, a, c) _MMIO(_MIPI_PORT(port, a, c))
 
+/* gen11 DSI */
+#define _DSI_TRANS(tc, dsi0, dsi1)     (((tc) == TRANSCODER_DSI_0) ?   \
+                                        (dsi0) : (dsi1))
+#define _MMIO_DSI(tc, dsi0, dsi1)      _MMIO(_DSI_TRANS(tc, dsi0, dsi1))
+
 #define MIPIO_TXESC_CLK_DIV1                   _MMIO(0x160004)
 #define  GLK_TX_ESC_CLK_DIV1_MASK                      0x3FF
 #define MIPIO_TXESC_CLK_DIV2                   _MMIO(0x160008)
-- 
2.7.4

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