// SPDX-License-Identifier: MIT
/*
* Copyright © 2023 Intel Corporation
*/
#include <drm/i915_pciids.h>
#include <drm/drm_color_mgmt.h>
#include <linux/pci.h>
#include "i915_drv.h"
#include "i915_reg.h"
#include "intel_de.h"
#include "intel_display.h"
#include "intel_display_device.h"
#include "intel_display_power.h"
#include "intel_display_reg_defs.h"
#include "intel_fbc.h"
static const struct intel_display_device_info no_display = {};
#define PIPE_A_OFFSET 0x70000
#define PIPE_B_OFFSET 0x71000
#define PIPE_C_OFFSET 0x72000
#define PIPE_D_OFFSET 0x73000
#define CHV_PIPE_C_OFFSET 0x74000
/*
* There's actually no pipe EDP. Some pipe registers have
* simply shifted from the pipe to the transcoder, while
* keeping their original offset. Thus we need PIPE_EDP_OFFSET
* to access such registers in transcoder EDP.
*/
#define PIPE_EDP_OFFSET 0x7f000
/* ICL DSI 0 and 1 */
#define PIPE_DSI0_OFFSET 0x7b000
#define PIPE_DSI1_OFFSET 0x7b800
#define TRANSCODER_A_OFFSET 0x60000
#define TRANSCODER_B_OFFSET 0x61000
#define TRANSCODER_C_OFFSET 0x62000
#define CHV_TRANSCODER_C_OFFSET 0x63000
#define TRANSCODER_D_OFFSET 0x63000
#define TRANSCODER_EDP_OFFSET 0x6f000
#define TRANSCODER_DSI0_OFFSET 0x6b000
#define TRANSCODER_DSI1_OFFSET 0x6b800
#define CURSOR_A_OFFSET 0x70080
#define CURSOR_B_OFFSET 0x700c0
#define CHV_CURSOR_C_OFFSET 0x700e0
#define IVB_CURSOR_B_OFFSET 0x71080
#define IVB_CURSOR_C_OFFSET 0x72080
#define TGL_CURSOR_D_OFFSET 0x73080
#define I845_PIPE_OFFSETS \
.pipe_offsets = { \
[TRANSCODER_A] = PIPE_A_OFFSET, \
}, \
.trans_offsets = { \
[TRANSCODER_A] = TRANSCODER_A_OFFSET, \
}
#define I9XX_PIPE_OFFSETS \
.pipe_offsets = { \
[TRANSCODER_A] = PIPE_A_OFFSET, \
[TRANSCODER_B] = PIPE_B_OFFSET, \
}, \
.trans_offsets = { \
[TRANSCODER_A] = TRANSCODER_A_OFFSET, \
[TRANSCODER_B] = TRANSCODER_B_OFFSET, \
}
#define IVB_PIPE_OFFSETS \
.pipe_offsets = { \
[TRANSCODER_A] = PIPE_A_OFFSET, \
[TRANSCODER_B] = PIPE_B_OFFSET, \
[TRANSCODER_C] = PIPE_C_OFFSET, \
}, \
.trans_offsets = { \
[TRANSCODER_A] = TRANSCODER_A_OFFSET, \
[TRANSCODER_B] = TRANSCODER_B_OFFSET, \
[TRANSCODER_C] = TRANSCODER_C_OFFSET, \
}
#define HSW_PIPE_OFFSETS \
.pipe_offsets = { \
[TRANSCODER_A] = PIPE_A_OFFSET, \
[TRANSCODER_B] = PIPE_B_OFFSET, \
[TRANSCODER_C] = PIPE_C_OFFSET, \
[TRANSCODER_EDP] = PIPE_EDP_OFFSET, \
}, \
.trans_offsets = { \
[TRANSCODER_A] = TRANSCODER_A_OFFSET, \
[TRANSCODER_B] = TRANSCODER_B_OFFSET, \
[TRANSCODER_C] = TRANSCODER_C_OFFSET, \
[TRANSCODER_EDP] = TRANSCODER_EDP_OFFSET, \
}
#define CHV_PIPE_OFFSETS \
.pipe_offsets = { \
[TRANSCODER_A] = PIPE_A_OFFSET, \
[TRANSCODER_B] = PIPE_B_OFFSET, \
[TRANSCODER_C] = CHV_PIPE_C_OFFSET, \
}, \
.trans_offsets = { \
[TRANSCODER_A] = TRANSCODER_A_OFFSET, \
[TRANSCODER_B] = TRANSCODER_B_OFFSET, \
[TRANSCODER_C] = CHV_TRANSCODER_C_OFFSET, \
}
#define I845_CURSOR_OFFSETS \
.cursor_offsets = { \
[PIPE_A] = CURSOR_A_OFFSET, \
}
#define I9XX_CURSOR_OFFSETS \
.cursor_offsets = { \
[PIPE_A] = CURSOR_A_OFFSET, \
[PIPE_B] = CURSOR_B_OFFSET, \
}
#define CHV_CURSOR_OFFSETS \
.cursor_offsets = { \
[PIPE_A] = CURSOR_A_OFFSET, \
[PIPE_B] = CURSOR_B_OFFSET, \
[PIPE_C] = CHV_CURSOR_C_OFFSET, \
}
#define IVB_CURSOR_OFFSETS \
.cursor_offsets = { \
[PIPE_A] = CURSOR_A_OFFSET, \
[PIPE_B] = IVB_CURSOR_B_OFFSET, \
[PIPE_C] = IVB_CURSOR_C_OFFSET, \
}
#define TGL_CURSOR_OFFSETS \
.cursor_offsets = { \
[PIPE_A] = CURSOR_A_OFFSET, \
[PIPE_B] = IVB_CURSOR_B_OFFSET, \
[PIPE_C] = IVB_CURSOR_C_OFFSET, \
[PIPE_D] = TGL_CURSOR_D_OFFSET, \
}
#define I845_COLORS \
.color = { .gamma_lut_size = 256 }
#define I9XX_COLORS \
.color = { .gamma_lut_size = 129, \
.gamma_lut_tests = DRM_COLOR_LUT_NON_DECREASING, \
}
#define ILK_COLORS \
.color = { .gamma_lut_size = 1024 }
#define IVB_COLORS \
.color = { .degamma_lut_size = 1024, .gamma_lut_size = 1024 }
#define CHV_COLORS \
.color = { \
.degamma_lut_size = 65, .gamma_lut_size = 257, \
.degamma_lut_tests = DRM_COLOR_LUT_NON_DECREASING, \
.gamma_lut_tests = DRM_COLOR_LUT_NON_DECREASING, \
}
#define GLK_COLORS \
.color = { \
.degamma_lut_size = 33, .gamma_lut_size = 1024, \
.degamma_lut_tests = DRM_COLOR_LUT_NON_DECREASING | \
DRM_COLOR_LUT_EQUAL_CHANNELS, \
}
#define ICL_COLORS \
.color = { \
.degamma_lut_size = 33, .gamma_lut_size = 262145, \
.degamma_lut_tests = DRM_COLOR_LUT_NON_DECREASING | \
DRM_COLOR_LUT_EQUAL_CHANNELS, \
.gamma_lut_tests = DRM_COLOR_LUT_NON_DECREASING, \
}
#define I830_DISPLAY \
.has_overlay = 1, \
.cursor_needs_physical = 1, \
.overlay_needs_physical = 1, \
.has_gmch = 1, \
I9XX_PIPE_OFFSETS, \
I9XX_CURSOR_OFFSETS, \
I9XX_COLORS, \
\
.__runtime_defaults.ip.ver = 2, \
.__runtime_defaults.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B), \
.__runtime_defaults.cpu_transcoder_mask = \
BIT(TRANSCODER_A) | BIT(TRANSCODER_B)
static const struct intel_display_device_info i830_display = {
I830_DISPLAY,
};
#define I845_DISPLAY \
.has_overlay = 1, \
.overlay_needs_physical = 1, \
.has_gmch = 1, \
I845_PIPE_OFFSETS, \
I845_CURSOR_OFFSETS, \
I845_COLORS, \
\
.__runtime_defaults.ip.ver = 2, \
.__runtime_defaults.pipe_mask = BIT(PIPE_A), \
.__runtime_defaults.cpu_transcoder_mask = BIT(TRANSCODER_A)
static const struct intel_display_device_info i845_display = {
I845_DISPLAY,
};
static const struct intel_display_device_info i85x_display = {
I830_DISPLAY,
.__runtime_defaults.fbc_mask = BIT(INTEL_FBC_A),
};
static const struct intel_display_device_info i865g_display = {
I845_DISPLAY,
.__runtime_defaults.fbc_mask = BIT(INTEL_FBC_A),
};
#define GEN3_DISPLAY \
.has_gmch = 1, \
.has_overlay = 1, \
I9XX_PIPE_OFFSETS, \
I9XX_CURSOR_OFFSETS, \
\
.__runtime_defaults.ip.ver = 3, \
.__runtime_defaults.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B), \
.__runtime_defaults.cpu_transcoder_mask = \
BIT(TRANSCODER_A) | BIT(TRANSCODER_B)
static const struct intel_display_device_info i915g_display = {
GEN3_DISPLAY,
I845_COLORS,
.cursor_needs_physical = 1,
.overlay_needs_physical = 1,
};
static const struct intel_display_device_info i915gm_display = {
GEN3_DISPLAY,
I9XX_COLORS,
.cursor_needs_physical = 1,
.overlay_needs_physical = 1,
.supports_tv = 1,
.__runtime_defaults.fbc_mask = BIT(INTEL_FBC_A),
};
static const struct intel_display_device_info i945g_display = {
GEN3_DISPLAY,
I845_COLORS,
.has_hotplug = 1,
.cursor_needs_physical = 1,
.overlay_needs_physical = 1,
};
static const struct intel_display_device_info i945gm_display = {
GEN3_DISPLAY,
I9XX_COLORS,
.has_hotplug = 1,
.cursor_needs_physical = 1,
.overlay_needs_physical = 1,
.supports_tv = 1,
.__runtime_defaults.fbc_mask = BIT(INTEL_FBC_A),
};
static const struct intel_display_device_info g33_display = {
GEN3_DISPLAY,
I845_COLORS,
.has_hotplug = 1,
};
static const struct intel_display_device_info pnv_display = {
GEN3_DISPLAY,
I9XX_COLORS,
.has_hotplug = 1,
};
#define GEN4_DISPLAY \
.has_hotplug = 1, \
.has_gmch = 1, \
I9XX_PIPE_OFFSETS, \
I9XX_CURSOR_OFFSETS, \
I9XX_COLORS, \
\
.__runtime_defaults.ip.ver = 4, \
.__runtime_defaults.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B), \
.__runtime_defaults.cpu_transcoder_mask = \
BIT(TRANSCODER_A) | BIT(TRANSCODER_B)
static const struct intel_display_device_info i965g_display = {
GEN4_DISPLAY,
.has_overlay = 1,
};
static const struct intel_display_device_info i965gm_display = {
GEN4_DISPLAY,
.has_overlay = 1,
.supports_tv = 1,
.__runtime_defaults.fbc_mask = BIT(INTEL_FBC_A),
};
static const struct intel_display_device_info g45_display = {
GEN4_DISPLAY,
};
static const struct intel_display_device_info gm45_display = {
GEN4_DISPLAY,
.supports_tv = 1,
.__runtime_defaults.fbc_mask = BIT(INTEL_FBC_A),
};
#define ILK_DISPLAY \
.has_hotplug = 1, \
I9XX_PIPE_OFFSETS, \
I9XX_CURSOR_OFFSETS, \
ILK_COLORS, \
\
.__runtime_defaults.ip.ver = 5, \
.__runtime_defaults.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B), \
.__runtime_defaults.cpu_transcoder_mask = \
BIT(TRANSCODER_A) | BIT(TRANSCODER_B)
static const struct intel_display_device_info ilk_d_display = {
ILK_DISPLAY,
};
static const struct intel_display_device_info ilk_m_display = {
ILK_DISPLAY,
.__runtime_defaults.fbc_mask = BIT(INTEL_FBC_A),
};
static const struct intel_display_device_info snb_display = {
.has_hotplug = 1,
I9XX_PIPE_OFFSETS,
I9XX_CURSOR_OFFSETS,
ILK_COLORS,
.__runtime_defaults.ip.ver = 6,
.__runtime_defaults.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B),
.__runtime_defaults.cpu_transcoder_mask =
BIT(TRANSCODER_A) | BIT(TRANSCODER_B),
.__runtime_defaults.fbc_mask = BIT(INTEL_FBC_A),
};
static const struct intel_display_device_info ivb_display = {
.has_hotplug = 1,
IVB_PIPE_OFFSETS,
IVB_CURSOR_OFFSETS,
IVB_COLORS,
.__runtime_defaults.ip.ver = 7,
.__runtime_defaults.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C),
.__runtime_defaults.cpu_transcoder_mask =
BIT(TRANSCODER_A) | BIT(TRANSCODER_B) | BIT(TRANSCODER_C),
.__runtime_defaults.fbc_mask = BIT(INTEL_FBC_A),
};
static const struct intel_display_device_info vlv_display = {
.has_gmch = 1,
.has_hotplug = 1,
.mmio_offset = VLV_DISPLAY_BASE,
I9XX_PIPE_OFFSETS,
I9XX_CURSOR_OFFSETS,
I9XX_COLORS,
.__runtime_defaults.ip.ver = 7,
.__runtime_defaults.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B),
.__runtime_defaults.cpu_transcoder_mask =
BIT(TRANSCODER_A) | BIT(TRANSCODER_B),
};
static const struct intel_display_device_info hsw_display = {
.has_ddi = 1,
.has_dp_mst = 1,
.has_fpga_dbg = 1,
.has_hotplug = 1,
HSW_PIPE_OFFSETS,
IVB_CURSOR_OFFSETS,
IVB_COLORS,
.__runtime_defaults.ip.ver = 7,
.__runtime_defaults.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C),
.__runtime_defaults.cpu_transcoder_mask =
BIT(TRANSCODER_A) | BIT(TRANSCODER_B) |
BIT(TRANSCODER_C) | BIT(TRANSCODER_EDP),
.__runtime_defaults.fbc_mask = BIT(INTEL_FBC_A),
};
static const struct intel_display_device_info bdw_display = {
.has_ddi = 1,
.has_dp_mst = 1,
.has_fpga_dbg = 1,
.has_hotplug = 1,
HSW_PIPE_OFFSETS,
IVB_CURSOR_OFFSETS,
IVB_COLORS,
.__runtime_defaults.ip.ver = 8,
.__runtime_defaults.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C),
.__runtime_defaults.cpu_transcoder_mask =
BIT(TRANSCODER_A) | BIT(TRANSCODER_B) |
BIT(TRANSCODER_C) | BIT(TRANSCODER_EDP),
.__runtime_defaults.fbc_mask = BIT(INTEL_FBC_A),
};
static const struct intel_display_device_info chv_display = {
.has_hotplug = 1,
.has_gmch = 1,
.mmio_offset = VLV_DISPLAY_BASE,
CHV_PIPE_OFFSETS,
CHV_CURSOR_OFFSETS,
CHV_COLORS,
.__runtime_defaults.ip.ver = 8,
.__runtime_defaults.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C),
.__runtime_defaults.cpu_transcoder_mask =
BIT(TRANSCODER_A) | BIT(TRANSCODER_B) | BIT(TRANSCODER_C),
};
static const struct intel_display_device_info skl_display = {
.dbuf.size = 896 - 4, /* 4 blocks for bypass path allocation */
.dbuf.slice_mask = BIT(DBUF_S1),
.has_ddi = 1,
.has_dp_mst = 1,
.has_fpga_dbg = 1,
.has_hotplug = 1,
.has_ipc = 1,
.has_psr = 1,
.has_psr_hw_tracking = 1,
HSW_PIPE_OFFSETS,
IVB_CURSOR_OFFSETS,
IVB_COLORS,
.__runtime_defaults.ip.ver = 9,
.__runtime_defaults.has_dmc = 1,
.__runtime_defaults.has_hdcp = 1,
.__runtime_defaults.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C),
.__runtime_defaults.cpu_transcoder_mask =
BIT(TRANSCODER_A) | BIT(TRANSCODER_B) |
BIT(TRANSCODER_C) | BIT(TRANSCODER_EDP),
.__runtime_defaults.fbc_mask = BIT(INTEL_FBC_A),
};
#define GEN9_LP_DISPLAY \
.dbuf.slice_mask = BIT(DBUF_S1), \
.has_dp_mst = 1, \
.has_ddi = 1, \
.has_fpga_dbg = 1, \
.has_hotplug = 1, \
.has_ipc = 1, \
.has_psr = 1, \
.has_psr_hw_tracking = 1, \
HSW_PIPE_OFFSETS, \
IVB_CURSOR_OFFSETS, \
IVB_COLORS, \
\
.__runtime_defaults.has_dmc = 1, \
.__runtime_defaults.has_hdcp = 1, \
.__runtime_defaults.fbc_mask = BIT(INTEL_FBC_A), \
.__runtime_defaults.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C), \
.__runtime_defaults.cpu_transcoder_mask = \
BIT(TRANSCODER_A) | BIT(TRANSCODER_B) | \
BIT(TRANSCODER_C) | BIT(TRANSCODER_EDP) | \
BIT(TRANSCODER_DSI_A) | BIT(TRANSCODER_DSI_C)
static const struct intel_display_device_info bxt_display = {
GEN9_LP_DISPLAY,
.dbuf.size = 512 - 4, /* 4 blocks for bypass path allocation */
.__runtime_defaults.ip.ver = 9,
};
static const struct intel_display_device_info glk_display = {
GEN9_LP_DISPLAY,
.dbuf.size = 1024 - 4, /* 4 blocks for bypass path allocation */
GLK_COLORS,
.__runtime_defaults.ip.ver = 10,
};
static const struct intel_display_device_info gen11_display = {
.abox_mask = BIT(0),
.dbuf.size = 2048,
.dbuf.slice_mask = BIT(DBUF_S1) | BIT(DBUF_S2),
.has_ddi = 1,
.has_dp_mst = 1,
.has_fpga_dbg = 1,
.has_hotplug = 1,
.has_ipc = 1,
.has_psr = 1,
.has_psr_hw_tracking = 1,
.pipe_offsets = {
[TRANSCODER_A] = PIPE_A_OFFSET,
[TRANSCODER_B] = PIPE_B_OFFSET,
[TRANSCODER_C] = PIPE_C_OFFSET,
[TRANSCODER_EDP] = PIPE_EDP_OFFSET,
[TRANSCODER_DSI_0] = PIPE_DSI0_OFFSET,
[TRANSCODER_DSI_1] = PIPE_DSI1_OFFSET,
},
.trans_offsets = {
[TRANSCODER_A] = TRANSCODER_A_OFFSET,
[TRANSCODER_B] = TRANSCODER_B_OFFSET,
[TRANSCODER_C] = TRANSCODER_C_OFFSET,
[TRANSCODER_EDP] = TRANSCODER_EDP_OFFSET,
[TRANSCODER_DSI_0] = TRANSCODER_DSI0_OFFSET,
[TRANSCODER_DSI_1] = TRANSCODER_DSI1_OFFSET,
},
IVB_CURSOR_OFFSETS,
ICL_COLORS,
.__runtime_defaults.ip.ver = 11,
.__runtime_defaults.has_dmc = 1,
.__runtime_defaults.has_dsc = 1,
.__runtime_defaults.has_hdcp = 1,
.__runtime_defaults.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C),
.__runtime_defaults.cpu_transcoder_mask =
BIT(TRANSCODER_A) | BIT(TRANSCODER_B) |
BIT(TRANSCODER_C) | BIT(TRANSCODER_EDP) |
BIT(TRANSCODER_DSI_0) | BIT(TRANSCODER_DSI_1),
.__runtime_defaults.fbc_mask = BIT(INTEL_FBC_A),
};
#define XE_D_DISPLAY \
.abox_mask = GENMASK(2, 1), \
.dbuf.size = 2048, \
.dbuf.slice_mask = BIT(DBUF_S1) | BIT(DBUF_S2), \
.has_ddi = 1, \
.has_dp_mst = 1, \
.has_dsb = 1, \
.has_fpga_dbg = 1, \
.has_hotplug = 1, \
.has_ipc = 1, \
.has_psr = 1, \
.has_psr_hw_tracking = 1, \
.pipe_offsets = { \
[TRANSCODER_A] = PIPE_A_OFFSET, \
[TRANSCODER_B] = PIPE_B_OFFSET, \
[TRANSCODER_C] = PIPE_C_OFFSET, \
[TRANSCODER_D] = PIPE_D_OFFSET, \
[TRANSCODER_DSI_0] = PIPE_DSI0_OFFSET, \
[TRANSCODER_DSI_1] = PIPE_DSI1_OFFSET, \
}, \
.trans_offsets = { \
[TRANSCODER_A] = TRANSCODER_A_OFFSET, \
[TRANSCODER_B] = TRANSCODER_B_OFFSET, \
[TRANSCODER_C] = TRANSCODER_C_OFFSET, \
[TRANSCODER_D] = TRANSCODER_D_OFFSET, \
[TRANSCODER_DSI_0] = TRANSCODER_DSI0_OFFSET, \
[TRANSCODER_DSI_1] = TRANSCODER_DSI1_OFFSET, \
}, \
TGL_CURSOR_OFFSETS, \
ICL_COLORS, \
\
.__runtime_defaults.ip.ver = 12, \
.__runtime_defaults.has_dmc = 1, \
.__runtime_defaults.has_dsc = 1, \
.__runtime_defaults.has_hdcp = 1, \
.__runtime_defaults.pipe_mask = \
BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C) | BIT(PIPE_D), \
.__runtime_defaults.cpu_transcoder_mask = \
BIT(TRANSCODER_A) | BIT(TRANSCODER_B) | \
BIT(TRANSCODER_C) | BIT(TRANSCODER_D) | \
BIT(TRANSCODER_DSI_0) | BIT(TRANSCODER_DSI_1), \
.__runtime_defaults.fbc_mask = BIT(INTEL_FBC_A)
static const struct intel_display_device_info tgl_display = {
XE_D_DISPLAY,
};
static const struct intel_display_device_info rkl_display = {
XE_D_DISPLAY,
.abox_mask = BIT(0),
.has_hti = 1,
.has_psr_hw_tracking = 0,
.__runtime_defaults.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C),
.__runtime_defaults.cpu_transcoder_mask =
BIT(TRANSCODER_A) | BIT(TRANSCODER_B) | BIT(TRANSCODER_C),
};
static const struct intel_display_device_info adl_s_display = {
XE_D_DISPLAY,
.has_hti = 1,
.has_psr_hw_tracking = 0,
};
#define XE_LPD_FEATURES \
.abox_mask = GENMASK(1, 0), \
.color = { \
.degamma_lut_size = 129, .gamma_lut_size = 1024, \
.degamma_lut_tests = DRM_COLOR_LUT_NON_DECREASING | \
DRM_COLOR_LUT_EQUAL_CHANNELS, \
}, \
.dbuf.size = 4096, \
.dbuf.slice_mask = BIT(DBUF_S1) | BIT(DBUF_S2) | BIT(DBUF_S3) | \
BIT(DBUF_S4), \
.has_ddi = 1, \
.has_dp_mst = 1, \
.has_dsb = 1, \
.has_fpga_dbg = 1, \
.has_hotplug = 1, \
.has_ipc = 1, \
.has_psr = 1, \
.pipe_offsets = { \
[TRANSCODER_A] = PIPE_A_OFFSET, \
[TRANSCODER_B] = PIPE_B_OFFSET, \
[TRANSCODER_C] = PIPE_C_OFFSET, \
[TRANSCODER_D] = PIPE_D_OFFSET, \
[TRANSCODER_DSI_0] = PIPE_DSI0_OFFSET, \
[TRANSCODER_DSI_1] = PIPE_DSI1_OFFSET, \
}, \
.trans_offsets = { \
[TRANSCODER_A] = TRANSCODER_A_OFFSET, \
[TRANSCODER_B] = TRANSCODER_B_OFFSET, \
[TRANSCODER_C] = TRANSCODER_C_OFFSET, \
[TRANSCODER_D] = TRANSCODER_D_OFFSET, \
[TRANSCODER_DSI_0] = TRANSCODER_DSI0_OFFSET, \
[TRANSCODER_DSI_1] = TRANSCODER_DSI1_OFFSET, \
}, \
TGL_CURSOR_OFFSETS, \
\
.__runtime_defaults.ip.ver = 13, \
.__runtime_defaults.has_dmc = 1, \
.__runtime_defaults.has_dsc = 1, \
.__runtime_defaults.fbc_mask = BIT(INTEL_FBC_A), \
.__runtime_defaults.has_hdcp = 1, \
.__runtime_defaults.pipe_mask = \
BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C) | BIT(PIPE_D)
static const struct intel_display_device_info xe_lpd_display = {
XE_LPD_FEATURES,
.has_cdclk_crawl = 1,
.has_psr_hw_tracking = 0,
.__runtime_defaults.cpu_transcoder_mask =
BIT(TRANSCODER_A) | BIT(TRANSCODER_B) |
BIT(TRANSCODER_C) | BIT(TRANSCODER_D) |
BIT(TRANSCODER_DSI_0) | BIT(TRANSCODER_DSI_1),
};
static const struct intel_display_device_info xe_hpd_display = {
XE_LPD_FEATURES,
.has_cdclk_squash = 1,
.__runtime_defaults.cpu_transcoder_mask =
BIT(TRANSCODER_A) | BIT(TRANSCODER_B) |
BIT(TRANSCODER_C) | BIT(TRANSCODER_D),
};
static const struct intel_display_device_info xe_lpdp_display = {
XE_LPD_FEATURES,
.has_cdclk_crawl = 1,
.has_cdclk_squash = 1,
.__runtime_defaults.ip.ver = 14,
.__runtime_defaults.fbc_mask = BIT(INTEL_FBC_A) | BIT(INTEL_FBC_B),
.__runtime_defaults.cpu_transcoder_mask =
BIT(TRANSCODER_A) | BIT(TRANSCODER_B) |
BIT(TRANSCODER_C) | BIT(TRANSCODER_D),
};
/*
* Separate detection for no display cases to keep the display id array simple.
*
* IVB Q requires subvendor and subdevice matching to differentiate from IVB D
* GT2 server.
*/
static bool has_no_display(struct pci_dev *pdev)
{
static const struct pci_device_id ids[] = {
INTEL_IVB_Q_IDS(0),
{}
};
return pci_match_id(ids, pdev);
}
#undef INTEL_VGA_DEVICE
#define INTEL_VGA_DEVICE(id, info) { id, info }
static const struct {
u32 devid;
const struct intel_display_device_info *info;
} intel_display_ids[] = {
INTEL_I830_IDS(&i830_display),
INTEL_I845G_IDS(&i845_display),
INTEL_I85X_IDS(&i85x_display),
INTEL_I865G_IDS(&i865g_display),
INTEL_I915G_IDS(&i915g_display),
INTEL_I915GM_IDS(&i915gm_display),
INTEL_I945G_IDS(&i945g_display),
INTEL_I945GM_IDS(&i945gm_display),
INTEL_I965G_IDS(&i965g_display),
INTEL_G33_IDS(&g33_display),
INTEL_I965GM_IDS(&i965gm_display),
INTEL_GM45_IDS(&gm45_display),
INTEL_G45_IDS(&g45_display),
INTEL_PINEVIEW_G_IDS(&pnv_display),
INTEL_PINEVIEW_M_IDS(&pnv_display),
INTEL_IRONLAKE_D_IDS(&ilk_d_display),
INTEL_IRONLAKE_M_IDS(&ilk_m_display),
INTEL_SNB_D_IDS(&snb_display),
INTEL_SNB_M_IDS(&snb_display),
INTEL_IVB_M_IDS(&ivb_display),
INTEL_IVB_D_IDS(&ivb_display),
INTEL_HSW_IDS(&hsw_display),
INTEL_VLV_IDS(&vlv_display),
INTEL_BDW_IDS(&bdw_display),
INTEL_CHV_IDS(&chv_display),
INTEL_SKL_IDS(&skl_display),
INTEL_BXT_IDS(&bxt_display),
INTEL_GLK_IDS(&glk_display),
INTEL_KBL_IDS(&skl_display),
INTEL_CFL_IDS(&skl_display),
INTEL_ICL_11_IDS(&gen11_display),
INTEL_EHL_IDS(&gen11_display),
INTEL_JSL_IDS(&gen11_display),
INTEL_TGL_12_IDS(&tgl_display),
INTEL_DG1_IDS(&tgl_display),
INTEL_RKL_IDS(&rkl_display),
INTEL_ADLS_IDS(&adl_s_display),
INTEL_RPLS_IDS(&adl_s_display),
INTEL_ADLP_IDS(&xe_lpd_display),
INTEL_ADLN_IDS(&xe_lpd_display),
INTEL_RPLP_IDS(&xe_lpd_display),
INTEL_DG2_IDS(&xe_hpd_display),
/*
* Do not add any GMD_ID-based platforms to this list. They will
* be probed automatically based on the IP version reported by
* the hardware.
*/
};
static const struct {
u16 ver;
u16 rel;
const struct intel_display_device_info *display;
} gmdid_display_map[] = {
{ 14, 0, &xe_lpdp_display },
};
static const struct intel_display_device_info *
probe_gmdid_display(struct drm_i915_private *i915, u16 *ver, u16 *rel, u16 *step)
{
struct pci_dev *pdev = to_pci_dev(i915->drm.dev);
void __iomem *addr;
u32 val;
int i;
addr = pci_iomap_range(pdev, 0, i915_mmio_reg_offset(GMD_ID_DISPLAY), sizeof(u32));
if (!addr) {
drm_err(&i915->drm, "Cannot map MMIO BAR to read display GMD_ID\n");
return &no_display;
}
val = ioread32(addr);
pci_iounmap(pdev, addr);
if (val == 0)
/* Platform doesn't have display */
return &no_display;
*ver = REG_FIELD_GET(GMD_ID_ARCH_MASK, val);
*rel = REG_FIELD_GET(GMD_ID_RELEASE_MASK, val);
*step = REG_FIELD_GET(GMD_ID_STEP, val);
for (i = 0; i < ARRAY_SIZE(gmdid_display_map); i++)
if (*ver == gmdid_display_map[i].ver &&
*rel == gmdid_display_map[i].rel)
return gmdid_display_map[i].display;
drm_err(&i915->drm, "Unrecognized display IP version %d.%02d; disabling display.\n",
*ver, *rel);
return &no_display;
}
const struct intel_display_device_info *
intel_display_device_probe(struct drm_i915_private *i915, bool has_gmdid,
u16 *gmdid_ver, u16 *gmdid_rel, u16 *gmdid_step)
{
struct pci_dev *pdev = to_pci_dev(i915->drm.dev);
int i;
if (has_gmdid)
return probe_gmdid_display(i915, gmdid_ver, gmdid_rel, gmdid_step);
if (has_no_display(pdev)) {
drm_dbg_kms(&i915->drm, "Device doesn't have display\n");
return &no_display;
}
for (i = 0; i < ARRAY_SIZE(intel_display_ids); i++) {
if (intel_display_ids[i].devid == pdev->device)
return intel_display_ids[i].info;
}
drm_dbg(&i915->drm, "No display ID found for device ID %04x; disabling display.\n",
pdev->device);
return &no_display;
}
void intel_display_device_info_runtime_init(struct drm_i915_private *i915)
{
struct intel_display_runtime_info *display_runtime = DISPLAY_RUNTIME_INFO(i915);
enum pipe pipe;
/* Wa_14011765242: adl-s A0,A1 */
if (IS_ADLS_DISPLAY_STEP(i915, STEP_A0, STEP_A2))
for_each_pipe(i915, pipe)
display_runtime->num_scalers[pipe] = 0;
else if (DISPLAY_VER(i915) >= 11) {
for_each_pipe(i915, pipe)
display_runtime->num_scalers[pipe] = 2;
} else if (DISPLAY_VER(i915) >= 9) {
display_runtime->num_scalers[PIPE_A] = 2;
display_runtime->num_scalers[PIPE_B] = 2;
display_runtime->num_scalers[PIPE_C] = 1;
}
if (DISPLAY_VER(i915) >= 13 || HAS_D12_PLANE_MINIMIZATION(i915))
for_each_pipe(i915, pipe)
display_runtime->num_sprites[pipe] = 4;
else if (DISPLAY_VER(i915) >= 11)
for_each_pipe(i915, pipe)
display_runtime->num_sprites[pipe] = 6;
else if (DISPLAY_VER(i915) == 10)
for_each_pipe(i915, pipe)
display_runtime->num_sprites[pipe] = 3;
else if (IS_BROXTON(i915)) {
/*
* Skylake and Broxton currently don't expose the topmost plane as its
* use is exclusive with the legacy cursor and we only want to expose
* one of those, not both. Until we can safely expose the topmost plane
* as a DRM_PLANE_TYPE_CURSOR with all the features exposed/supported,
* we don't expose the topmost plane at all to prevent ABI breakage
* down the line.
*/
display_runtime->num_sprites[PIPE_A] = 2;
display_runtime->num_sprites[PIPE_B] = 2;
display_runtime->num_sprites[PIPE_C] = 1;
} else if (IS_VALLEYVIEW(i915) || IS_CHERRYVIEW(i915)) {
for_each_pipe(i915, pipe)
display_runtime->num_sprites[pipe] = 2;
} else if (DISPLAY_VER(i915) >= 5 || IS_G4X(i915)) {
for_each_pipe(i915, pipe)
display_runtime->num_sprites[pipe] = 1;
}
if ((IS_DGFX(i915) || DISPLAY_VER(i915) >= 14) &&
!(intel_de_read(i915, GU_CNTL_PROTECTED) & DEPRESENT)) {
drm_info(&i915->drm, "Display not present, disabling\n");
goto display_fused_off;
}
if (IS_GRAPHICS_VER(i915, 7, 8) && HAS_PCH_SPLIT(i915)) {
u32 fuse_strap = intel_de_read(i915, FUSE_STRAP);
u32 sfuse_strap = intel_de_read(i915, SFUSE_STRAP);
/*
* SFUSE_STRAP is supposed to have a bit signalling the display
* is fused off. Unfortunately it seems that, at least in
* certain cases, fused off display means that PCH display
* reads don't land anywhere. In that case, we read 0s.
*
* On CPT/PPT, we can detect this case as SFUSE_STRAP_FUSE_LOCK
* should be set when taking over after the firmware.
*/
if (fuse_strap & ILK_INTERNAL_DISPLAY_DISABLE ||
sfuse_strap & SFUSE_STRAP_DISPLAY_DISABLED ||
(HAS_PCH_CPT(i915) &&
!(sfuse_strap & SFUSE_STRAP_FUSE_LOCK))) {
drm_info(&i915->drm,
"Display fused off, disabling\n");
goto display_fused_off;
} else if (fuse_strap & IVB_PIPE_C_DISABLE) {
drm_info(&i915->drm, "PipeC fused off\n");
display_runtime->pipe_mask &= ~BIT(PIPE_C);
display_runtime->cpu_transcoder_mask &= ~BIT(TRANSCODER_C);
}
} else if (DISPLAY_VER(i915) >= 9) {
u32 dfsm = intel_de_read(i915, SKL_DFSM);
if (dfsm & SKL_DFSM_PIPE_A_DISABLE) {
display_runtime->pipe_mask &= ~BIT(PIPE_A);
display_runtime->cpu_transcoder_mask &= ~BIT(TRANSCODER_A);
display_runtime->fbc_mask &= ~BIT(INTEL_FBC_A);
}
if (dfsm & SKL_DFSM_PIPE_B_DISABLE) {
display_runtime->pipe_mask &= ~BIT(PIPE_B);
display_runtime->cpu_transcoder_mask &= ~BIT(TRANSCODER_B);
}
if (dfsm & SKL_DFSM_PIPE_C_DISABLE) {
display_runtime->pipe_mask &= ~BIT(PIPE_C);
display_runtime->cpu_transcoder_mask &= ~BIT(TRANSCODER_C);
}
if (DISPLAY_VER(i915) >= 12 &&
(dfsm & TGL_DFSM_PIPE_D_DISABLE)) {
display_runtime->pipe_mask &= ~BIT(PIPE_D);
display_runtime->cpu_transcoder_mask &= ~BIT(TRANSCODER_D);
}
if (!display_runtime->pipe_mask)
goto display_fused_off;
if (dfsm & SKL_DFSM_DISPLAY_HDCP_DISABLE)
display_runtime->has_hdcp = 0;
if (dfsm & SKL_DFSM_DISPLAY_PM_DISABLE)
display_runtime->fbc_mask = 0;
if (DISPLAY_VER(i915) >= 11 && (dfsm & ICL_DFSM_DMC_DISABLE))
display_runtime->has_dmc = 0;
if (IS_DISPLAY_VER(i915, 10, 12) &&
(dfsm & GLK_DFSM_DISPLAY_DSC_DISABLE))
display_runtime->has_dsc = 0;
}
return;
display_fused_off:
memset(display_runtime, 0, sizeof(*display_runtime));
}