Merge tag 'drm-xe-next-2023-12-21-pr1-1' of https://gitlab.freedesktop.org/drm/xe/kernel into drm-next

Introduce a new DRM driver for Intel GPUs

Xe, is a new driver for Intel GPUs that supports both integrated and
discrete platforms. The experimental support starts with Tiger Lake.
i915 will continue be the main production driver for the platforms
up to Meteor Lake and Alchemist. Then the goal is to make this Intel
Xe driver the primary driver for Lunar Lake and newer platforms.

It uses most, if not all, of the key drm concepts, in special: TTM,
drm-scheduler, drm-exec, drm-gpuvm/gpuva and others.

Signed-off-by: Dave Airlie <[email protected]>

[airlied: add an extra X86 check, fix a typo, fix drm_exec_init interface
change].

From: Rodrigo Vivi <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]

1 files changed, 49 insertions, 0 deletions

diff --git a/drivers/gpu/drm/xe/xe_pcode_api.h b/drivers/gpu/drm/xe/xe_pcode_api.h
new file mode 100644
index 000000000000..5935cfe30204
--- /dev/null
+++ b/drivers/gpu/drm/xe/xe_pcode_api.h
@@ -0,0 +1,49 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2022 Intel Corporation
+ */
+
+/* Internal to xe_pcode */
+
+#include "regs/xe_reg_defs.h"
+
+#define PCODE_MAILBOX			XE_REG(0x138124)
+#define   PCODE_READY			REG_BIT(31)
+#define   PCODE_MB_PARAM2		REG_GENMASK(23, 16)
+#define   PCODE_MB_PARAM1		REG_GENMASK(15, 8)
+#define   PCODE_MB_COMMAND		REG_GENMASK(7, 0)
+#define   PCODE_ERROR_MASK		0xFF
+#define     PCODE_SUCCESS		0x0
+#define     PCODE_ILLEGAL_CMD		0x1
+#define     PCODE_TIMEOUT		0x2
+#define     PCODE_ILLEGAL_DATA		0x3
+#define     PCODE_ILLEGAL_SUBCOMMAND	0x4
+#define     PCODE_LOCKED		0x6
+#define     PCODE_GT_RATIO_OUT_OF_RANGE	0x10
+#define     PCODE_REJECTED		0x11
+
+#define PCODE_DATA0			XE_REG(0x138128)
+#define PCODE_DATA1			XE_REG(0x13812C)
+
+/* Min Freq QOS Table */
+#define   PCODE_WRITE_MIN_FREQ_TABLE	0x8
+#define   PCODE_READ_MIN_FREQ_TABLE	0x9
+#define   PCODE_FREQ_RING_RATIO_SHIFT	16
+
+/* PCODE Init */
+#define   DGFX_PCODE_STATUS		0x7E
+#define     DGFX_GET_INIT_STATUS	0x0
+#define     DGFX_INIT_STATUS_COMPLETE	0x1
+
+#define   PCODE_POWER_SETUP			0x7C
+#define     POWER_SETUP_SUBCOMMAND_READ_I1	0x4
+#define     POWER_SETUP_SUBCOMMAND_WRITE_I1	0x5
+#define	    POWER_SETUP_I1_WATTS		REG_BIT(31)
+#define	    POWER_SETUP_I1_SHIFT		6	/* 10.6 fixed point format */
+#define	    POWER_SETUP_I1_DATA_MASK		REG_GENMASK(15, 0)
+
+struct pcode_err_decode {
+	int errno;
+	const char *str;
+};
+