drm/amd/display: Refactoring VTEM

[Why]
Video Timing Extended Metadata packet (VTEM) is not
specific to freesync. So move it out of freesync module

[How]
- Moved VTEM from freesync module to info_packet module
- Created new structure for VTEM parameters that can be used for VRR
and FVA

Signed-off-by: Ahmad Othman <ahmad.othman@amd.com>
Reviewed-by: Chris Park <Chris.Park@amd.com>
Acked-by: Ahmad Othman <Ahmad.Othman@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 88 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/display/modules/info_packet/info_packet.c b/drivers/gpu/drm/amd/display/modules/info_packet/info_packet.c
index bc13c552797f..5f4b98df3d92 100644
--- a/drivers/gpu/drm/amd/display/modules/info_packet/info_packet.c
+++ b/drivers/gpu/drm/amd/display/modules/info_packet/info_packet.c
@@ -27,9 +27,78 @@
 #include "core_types.h"
 #include "dc_types.h"
 #include "mod_shared.h"
+#include "mod_freesync.h"
+#include "dc.h"
 
 #define HDMI_INFOFRAME_TYPE_VENDOR 0x81
 
+// VTEM Byte Offset
+#define VTEM_PB0		0
+#define VTEM_PB1		1
+#define VTEM_PB2		2
+#define VTEM_PB3		3
+#define VTEM_PB4		4
+#define VTEM_PB5		5
+#define VTEM_PB6		6
+
+#define VTEM_MD0		7
+#define VTEM_MD1		8
+#define VTEM_MD2		9
+#define VTEM_MD3		10
+
+
+// VTEM Byte Masks
+//PB0
+#define MASK_VTEM_PB0__RESERVED0  0x01
+#define MASK_VTEM_PB0__SYNC       0x02
+#define MASK_VTEM_PB0__VFR        0x04
+#define MASK_VTEM_PB0__AFR        0x08
+#define MASK_VTEM_PB0__DS_TYPE    0x30
+	//0: Periodic pseudo-static EM Data Set
+	//1: Periodic dynamic EM Data Set
+	//2: Unique EM Data Set
+	//3: Reserved
+#define MASK_VTEM_PB0__END        0x40
+#define MASK_VTEM_PB0__NEW        0x80
+
+//PB1
+#define MASK_VTEM_PB1__RESERVED1 0xFF
+
+//PB2
+#define MASK_VTEM_PB2__ORGANIZATION_ID 0xFF
+	//0: This is a Vendor Specific EM Data Set
+	//1: This EM Data Set is defined by This Specification (HDMI 2.1 r102.clean)
+	//2: This EM Data Set is defined by CTA-861-G
+	//3: This EM Data Set is defined by VESA
+//PB3
+#define MASK_VTEM_PB3__DATA_SET_TAG_MSB    0xFF
+//PB4
+#define MASK_VTEM_PB4__DATA_SET_TAG_LSB    0xFF
+//PB5
+#define MASK_VTEM_PB5__DATA_SET_LENGTH_MSB 0xFF
+//PB6
+#define MASK_VTEM_PB6__DATA_SET_LENGTH_LSB 0xFF
+
+
+
+//PB7-27 (20 bytes):
+//PB7 = MD0
+#define MASK_VTEM_MD0__VRR_EN         0x01
+#define MASK_VTEM_MD0__M_CONST        0x02
+#define MASK_VTEM_MD0__RESERVED2      0x0C
+#define MASK_VTEM_MD0__FVA_FACTOR_M1  0xF0
+
+//MD1
+#define MASK_VTEM_MD1__BASE_VFRONT    0xFF
+
+//MD2
+#define MASK_VTEM_MD2__BASE_REFRESH_RATE_98  0x03
+#define MASK_VTEM_MD2__RB                    0x04
+#define MASK_VTEM_MD2__RESERVED3             0xF8
+
+//MD3
+#define MASK_VTEM_MD3__BASE_REFRESH_RATE_07  0xFF
+
 enum ColorimetryRGBDP {
 	ColorimetryRGB_DP_sRGB               = 0,
 	ColorimetryRGB_DP_AdobeRGB           = 3,
@@ -45,6 +114,25 @@ enum ColorimetryYCCDP {
 	ColorimetryYCC_DP_ITU2020YCbCr  = 7,
 };
 
+void setFieldWithMask(unsigned char *dest, unsigned int mask, unsigned int value)
+{
+	unsigned int shift = 0;
+
+	if (!mask || !dest)
+		return;
+
+	while (!((mask >> shift) & 1))
+		shift++;
+
+	//reset
+	*dest = *dest & ~mask;
+	//set
+	//dont let value span past mask
+	value = value & (mask >> shift);
+	//insert value
+	*dest = *dest | (value << shift);
+}
+
 void mod_build_vsc_infopacket(const struct dc_stream_state *stream,
 		struct dc_info_packet *info_packet)
 {