drm/i915/dmc: split out dmc registers to a separate file

Clean up the massive i915_reg.h a bit with this isolated set of
registers.

v2: Remove stale comment (Lucas)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220330113417.220964-3-jani.nikula@intel.com

drivers/gpu/drm/i915/display/intel_dmc.c

@@ -28,6 +28,7 @@
 #include "i915_reg.h"
 #include "intel_de.h"
 #include "intel_dmc.h"
+#include "intel_dmc_regs.h"
 
 /**
  * DOC: DMC Firmware Support

drivers/gpu/drm/i915/display/intel_dmc_regs.h

+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2022 Intel Corporation
+ */
+
+#ifndef __INTEL_DMC_REGS_H__
+#define __INTEL_DMC_REGS_H__
+
+#include "i915_reg_defs.h"
+
+#define DMC_PROGRAM(addr, i)	_MMIO((addr) + (i) * 4)
+#define DMC_SSP_BASE_ADDR_GEN9	0x00002FC0
+#define DMC_HTP_ADDR_SKL	0x00500034
+#define DMC_SSP_BASE		_MMIO(0x8F074)
+#define DMC_HTP_SKL		_MMIO(0x8F004)
+#define DMC_LAST_WRITE		_MMIO(0x8F034)
+#define DMC_LAST_WRITE_VALUE	0xc003b400
+#define DMC_MMIO_START_RANGE	0x80000
+#define DMC_MMIO_END_RANGE	0x8FFFF
+#define SKL_DMC_DC3_DC5_COUNT	_MMIO(0x80030)
+#define SKL_DMC_DC5_DC6_COUNT	_MMIO(0x8002C)
+#define BXT_DMC_DC3_DC5_COUNT	_MMIO(0x80038)
+#define TGL_DMC_DEBUG_DC5_COUNT	_MMIO(0x101084)
+#define TGL_DMC_DEBUG_DC6_COUNT	_MMIO(0x101088)
+#define DG1_DMC_DEBUG_DC5_COUNT	_MMIO(0x134154)
+
+#define TGL_DMC_DEBUG3		_MMIO(0x101090)
+#define DG1_DMC_DEBUG3		_MMIO(0x13415c)
+
+#endif /* __INTEL_DMC_REGS_H__ */

drivers/gpu/drm/i915/gvt/handlers.c

@@ -42,6 +42,7 @@
 #include "i915_pvinfo.h"
 #include "intel_mchbar_regs.h"
 #include "display/intel_display_types.h"
+#include "display/intel_dmc_regs.h"
 #include "display/intel_fbc.h"
 #include "display/vlv_dsi_pll_regs.h"
 #include "gt/intel_gt_regs.h"

drivers/gpu/drm/i915/i915_reg.h

@@ -5494,27 +5494,6 @@
 #define  GAMMA_MODE_MODE_SPLIT	(3 << 0) /* ivb-bdw */
 #define  GAMMA_MODE_MODE_12BIT_MULTI_SEGMENTED	(3 << 0) /* icl + */
 
-/* DMC */
-#define DMC_PROGRAM(addr, i)	_MMIO((addr) + (i) * 4)
-#define DMC_SSP_BASE_ADDR_GEN9	0x00002FC0
-#define DMC_HTP_ADDR_SKL	0x00500034
-#define DMC_SSP_BASE		_MMIO(0x8F074)
-#define DMC_HTP_SKL		_MMIO(0x8F004)
-#define DMC_LAST_WRITE		_MMIO(0x8F034)
-#define DMC_LAST_WRITE_VALUE	0xc003b400
-/* MMIO address range for DMC program (0x80000 - 0x82FFF) */
-#define DMC_MMIO_START_RANGE	0x80000
-#define DMC_MMIO_END_RANGE	0x8FFFF
-#define SKL_DMC_DC3_DC5_COUNT	_MMIO(0x80030)
-#define SKL_DMC_DC5_DC6_COUNT	_MMIO(0x8002C)
-#define BXT_DMC_DC3_DC5_COUNT	_MMIO(0x80038)
-#define TGL_DMC_DEBUG_DC5_COUNT	_MMIO(0x101084)
-#define TGL_DMC_DEBUG_DC6_COUNT	_MMIO(0x101088)
-#define DG1_DMC_DEBUG_DC5_COUNT	_MMIO(0x134154)
-
-#define TGL_DMC_DEBUG3		_MMIO(0x101090)
-#define DG1_DMC_DEBUG3		_MMIO(0x13415c)
-
 /* Display Internal Timeout Register */
 #define RM_TIMEOUT		_MMIO(0x42060)
 #define  MMIO_TIMEOUT_US(us)	((us) << 0)