drm/amd/display: Add DCN3 MMHUBHUB

Add support to program the DCN3 MMHUBBUB (Multimedia HUB interface)

HW Blocks:

 +--------++------+       +----------+
 | HUBBUB || HUBP |  <--  | MMHUBBUB |
 +--------++------+       +----------+
        |
        v
    +--------+
    |  DPP   |
    +--------+
        |
        v
    +--------+
    |  MPC   |
    +--------+
        |
        v
    +-------+
    |  OPP  |
    +-------+
        |
        v
    +--------+
    |  OPTC  |
    +--------+
        |
        v
    +--------+       +--------+
    |  DIO   |       |  DCCG  |
    +--------+       +--------+
Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/dc_hw_types.h

@@ -848,6 +848,42 @@ enum dwb_stereo_type {
 	DWB_STEREO_TYPE_FRAME_SEQUENTIAL = 3,	/* Frame sequential */
 };
 
+#ifdef CONFIG_DRM_AMD_DC_DCN3_0
+
+enum dwb_out_format {
+	DWB_OUT_FORMAT_32BPP_ARGB = 0,
+	DWB_OUT_FORMAT_32BPP_RGBA = 1,
+	DWB_OUT_FORMAT_64BPP_ARGB = 2,
+	DWB_OUT_FORMAT_64BPP_RGBA = 3
+};
+
+enum dwb_out_denorm {
+	DWB_OUT_DENORM_10BPC = 0,
+	DWB_OUT_DENORM_8BPC = 1,
+	DWB_OUT_DENORM_BYPASS = 2
+};
+
+enum cm_gamut_remap_select {
+	CM_GAMUT_REMAP_MODE_BYPASS = 0,
+	CM_GAMUT_REMAP_MODE_RAMA_COEFF,
+	CM_GAMUT_REMAP_MODE_RAMB_COEFF,
+	CM_GAMUT_REMAP_MODE_RESERVED
+};
+
+enum cm_gamut_coef_format {
+	CM_GAMUT_REMAP_COEF_FORMAT_S2_13 = 0,
+	CM_GAMUT_REMAP_COEF_FORMAT_S3_12 = 1
+};
+
+struct mcif_warmup_params {
+	union large_integer	start_address;
+	unsigned int		address_increment;
+	unsigned int		region_size;
+	unsigned int		p_vmid;
+};
+
+#endif
+
 #define MCIF_BUF_COUNT	4
 
 struct mcif_buf_params {

drivers/gpu/drm/amd/display/dc/inc/hw/mcif_wb.h

@@ -43,6 +43,9 @@ struct mcif_arb_params {
 	unsigned int		arbitration_slice;
 	unsigned int		slice_lines;
 	unsigned int		max_scaled_time;
+#if defined(CONFIG_DRM_AMD_DC_DCN3_0)
+	unsigned int		dram_speed_change_duration;
+#endif
 };
 
 struct mcif_irq_params {