drm/i915/dsc: Adding the new registers for DSC

Adding new DSC register which are introducted MTL onwards
Signed-off-by: Suraj Kandpal <suraj.kandpal@intel.com>
Reviewed-by: Vandita Kulkarni <Vandita.kulkarni@intel.com>
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Signed-off-by: Uma Shankar <uma.shankar@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230309062855.393087-4-suraj.kandpal@intel.com

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

@@ -46,6 +46,32 @@
 							   _ICL_PIPE_DSS_CTL2_PB, \
 							   _ICL_PIPE_DSS_CTL2_PC)
 
+/* MTL Display Stream Compression registers */
+#define _MTL_DSC0_PICTURE_PARAMETER_SET_17_PB	0x782B4
+#define _MTL_DSC1_PICTURE_PARAMETER_SET_17_PB	0x783B4
+#define _MTL_DSC0_PICTURE_PARAMETER_SET_17_PC	0x784B4
+#define _MTL_DSC1_PICTURE_PARAMETER_SET_17_PC	0x785B4
+#define MTL_DSC0_PICTURE_PARAMETER_SET_17(pipe)	_MMIO_PIPE((pipe) - PIPE_B, \
+							   _MTL_DSC0_PICTURE_PARAMETER_SET_17_PB, \
+							   _MTL_DSC0_PICTURE_PARAMETER_SET_17_PC)
+#define MTL_DSC1_PICTURE_PARAMETER_SET_17(pipe)	_MMIO_PIPE((pipe) - PIPE_B, \
+							   _MTL_DSC1_PICTURE_PARAMETER_SET_17_PB, \
+							   _MTL_DSC1_PICTURE_PARAMETER_SET_17_PC)
+#define DSC_SL_BPG_OFFSET(offset)		((offset) << 27)
+
+#define _MTL_DSC0_PICTURE_PARAMETER_SET_18_PB	0x782B8
+#define _MTL_DSC1_PICTURE_PARAMETER_SET_18_PB	0x783B8
+#define _MTL_DSC0_PICTURE_PARAMETER_SET_18_PC	0x784B8
+#define _MTL_DSC1_PICTURE_PARAMETER_SET_18_PC	0x785B8
+#define MTL_DSC0_PICTURE_PARAMETER_SET_18(pipe)	_MMIO_PIPE((pipe) - PIPE_B, \
+							   _MTL_DSC0_PICTURE_PARAMETER_SET_18_PB, \
+							   _MTL_DSC0_PICTURE_PARAMETER_SET_18_PC)
+#define MTL_DSC1_PICTURE_PARAMETER_SET_18(pipe)	_MMIO_PIPE((pipe) - PIPE_B, \
+							   _MTL_DSC1_PICTURE_PARAMETER_SET_18_PB, \
+							   _MTL_DSC1_PICTURE_PARAMETER_SET_18_PC)
+#define DSC_NSL_BPG_OFFSET(offset)		((offset) << 16)
+#define DSC_SL_OFFSET_ADJ(offset)		((offset) << 0)
+
 /* Icelake Display Stream Compression Registers */
 #define DSCA_PICTURE_PARAMETER_SET_0		_MMIO(0x6B200)
 #define DSCC_PICTURE_PARAMETER_SET_0		_MMIO(0x6BA00)
@@ -59,6 +85,8 @@
 #define ICL_DSC1_PICTURE_PARAMETER_SET_0(pipe)	_MMIO_PIPE((pipe) - PIPE_B, \
 							   _ICL_DSC1_PICTURE_PARAMETER_SET_0_PB, \
 							   _ICL_DSC1_PICTURE_PARAMETER_SET_0_PC)
+#define  DSC_NATIVE_422_ENABLE		BIT(23)
+#define  DSC_NATIVE_420_ENABLE		BIT(22)
 #define  DSC_ALT_ICH_SEL		(1 << 20)
 #define  DSC_VBR_ENABLE			(1 << 19)
 #define  DSC_422_ENABLE			(1 << 18)