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OpenCloudOS-Kernel/drivers/gpu/drm/i915/i915_pci.c

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/*
* Copyright © 2016 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*
*/
#include <linux/console.h>
#include <linux/vga_switcheroo.h>
#include <drm/drm_drv.h>
#include <drm/i915_pciids.h>
#include "display/intel_fbdev.h"
#include "i915_drv.h"
#include "i915_perf.h"
#include "i915_globals.h"
#include "i915_selftest.h"
#define PLATFORM(x) .platform = (x)
#define GEN(x) .gen = (x), .gen_mask = BIT((x) - 1)
#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 I9XX_COLORS \
.color = { .gamma_lut_size = 256 }
#define I965_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, \
}
/* Keep in gen based order, and chronological order within a gen */
#define GEN_DEFAULT_PAGE_SIZES \
.page_sizes = I915_GTT_PAGE_SIZE_4K
#define GEN_DEFAULT_REGIONS \
.memory_regions = REGION_SMEM | REGION_STOLEN
#define I830_FEATURES \
GEN(2), \
.is_mobile = 1, \
.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B), \
.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B), \
.display.has_overlay = 1, \
.display.cursor_needs_physical = 1, \
.display.overlay_needs_physical = 1, \
.display.has_gmch = 1, \
.gpu_reset_clobbers_display = true, \
.hws_needs_physical = 1, \
.unfenced_needs_alignment = 1, \
.engine_mask = BIT(RCS0), \
.has_snoop = true, \
.has_coherent_ggtt = false, \
.dma_mask_size = 32, \
I9XX_PIPE_OFFSETS, \
I9XX_CURSOR_OFFSETS, \
I9XX_COLORS, \
GEN_DEFAULT_PAGE_SIZES, \
GEN_DEFAULT_REGIONS
#define I845_FEATURES \
GEN(2), \
.pipe_mask = BIT(PIPE_A), \
.cpu_transcoder_mask = BIT(TRANSCODER_A), \
.display.has_overlay = 1, \
.display.overlay_needs_physical = 1, \
.display.has_gmch = 1, \
.gpu_reset_clobbers_display = true, \
.hws_needs_physical = 1, \
.unfenced_needs_alignment = 1, \
.engine_mask = BIT(RCS0), \
.has_snoop = true, \
.has_coherent_ggtt = false, \
.dma_mask_size = 32, \
I845_PIPE_OFFSETS, \
I845_CURSOR_OFFSETS, \
I9XX_COLORS, \
GEN_DEFAULT_PAGE_SIZES, \
GEN_DEFAULT_REGIONS
static const struct intel_device_info i830_info = {
I830_FEATURES,
PLATFORM(INTEL_I830),
};
static const struct intel_device_info i845g_info = {
I845_FEATURES,
PLATFORM(INTEL_I845G),
};
static const struct intel_device_info i85x_info = {
I830_FEATURES,
PLATFORM(INTEL_I85X),
.display.has_fbc = 1,
};
static const struct intel_device_info i865g_info = {
I845_FEATURES,
PLATFORM(INTEL_I865G),
};
#define GEN3_FEATURES \
GEN(3), \
.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B), \
.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B), \
.display.has_gmch = 1, \
.gpu_reset_clobbers_display = true, \
.engine_mask = BIT(RCS0), \
.has_snoop = true, \
.has_coherent_ggtt = true, \
.dma_mask_size = 32, \
I9XX_PIPE_OFFSETS, \
I9XX_CURSOR_OFFSETS, \
I9XX_COLORS, \
GEN_DEFAULT_PAGE_SIZES, \
GEN_DEFAULT_REGIONS
static const struct intel_device_info i915g_info = {
GEN3_FEATURES,
PLATFORM(INTEL_I915G),
.has_coherent_ggtt = false,
.display.cursor_needs_physical = 1,
.display.has_overlay = 1,
.display.overlay_needs_physical = 1,
.hws_needs_physical = 1,
.unfenced_needs_alignment = 1,
};
static const struct intel_device_info i915gm_info = {
GEN3_FEATURES,
PLATFORM(INTEL_I915GM),
.is_mobile = 1,
.display.cursor_needs_physical = 1,
.display.has_overlay = 1,
.display.overlay_needs_physical = 1,
.display.supports_tv = 1,
.display.has_fbc = 1,
.hws_needs_physical = 1,
.unfenced_needs_alignment = 1,
};
static const struct intel_device_info i945g_info = {
GEN3_FEATURES,
PLATFORM(INTEL_I945G),
.display.has_hotplug = 1,
.display.cursor_needs_physical = 1,
.display.has_overlay = 1,
.display.overlay_needs_physical = 1,
.hws_needs_physical = 1,
.unfenced_needs_alignment = 1,
};
static const struct intel_device_info i945gm_info = {
GEN3_FEATURES,
PLATFORM(INTEL_I945GM),
.is_mobile = 1,
.display.has_hotplug = 1,
.display.cursor_needs_physical = 1,
.display.has_overlay = 1,
.display.overlay_needs_physical = 1,
.display.supports_tv = 1,
.display.has_fbc = 1,
.hws_needs_physical = 1,
.unfenced_needs_alignment = 1,
};
static const struct intel_device_info g33_info = {
GEN3_FEATURES,
PLATFORM(INTEL_G33),
.display.has_hotplug = 1,
.display.has_overlay = 1,
.dma_mask_size = 36,
};
static const struct intel_device_info pnv_g_info = {
GEN3_FEATURES,
PLATFORM(INTEL_PINEVIEW),
.display.has_hotplug = 1,
.display.has_overlay = 1,
.dma_mask_size = 36,
};
static const struct intel_device_info pnv_m_info = {
GEN3_FEATURES,
PLATFORM(INTEL_PINEVIEW),
.is_mobile = 1,
.display.has_hotplug = 1,
.display.has_overlay = 1,
.dma_mask_size = 36,
};
#define GEN4_FEATURES \
GEN(4), \
.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B), \
.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B), \
.display.has_hotplug = 1, \
.display.has_gmch = 1, \
.gpu_reset_clobbers_display = true, \
.engine_mask = BIT(RCS0), \
.has_snoop = true, \
.has_coherent_ggtt = true, \
.dma_mask_size = 36, \
I9XX_PIPE_OFFSETS, \
I9XX_CURSOR_OFFSETS, \
I965_COLORS, \
GEN_DEFAULT_PAGE_SIZES, \
GEN_DEFAULT_REGIONS
static const struct intel_device_info i965g_info = {
GEN4_FEATURES,
PLATFORM(INTEL_I965G),
.display.has_overlay = 1,
.hws_needs_physical = 1,
.has_snoop = false,
};
static const struct intel_device_info i965gm_info = {
GEN4_FEATURES,
PLATFORM(INTEL_I965GM),
.is_mobile = 1,
.display.has_fbc = 1,
.display.has_overlay = 1,
.display.supports_tv = 1,
.hws_needs_physical = 1,
.has_snoop = false,
};
static const struct intel_device_info g45_info = {
GEN4_FEATURES,
PLATFORM(INTEL_G45),
.engine_mask = BIT(RCS0) | BIT(VCS0),
.gpu_reset_clobbers_display = false,
};
static const struct intel_device_info gm45_info = {
GEN4_FEATURES,
PLATFORM(INTEL_GM45),
.is_mobile = 1,
.display.has_fbc = 1,
.display.supports_tv = 1,
.engine_mask = BIT(RCS0) | BIT(VCS0),
.gpu_reset_clobbers_display = false,
};
#define GEN5_FEATURES \
GEN(5), \
.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B), \
.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B), \
.display.has_hotplug = 1, \
.engine_mask = BIT(RCS0) | BIT(VCS0), \
.has_snoop = true, \
.has_coherent_ggtt = true, \
/* ilk does support rc6, but we do not implement [power] contexts */ \
.has_rc6 = 0, \
.dma_mask_size = 36, \
I9XX_PIPE_OFFSETS, \
I9XX_CURSOR_OFFSETS, \
ILK_COLORS, \
GEN_DEFAULT_PAGE_SIZES, \
GEN_DEFAULT_REGIONS
static const struct intel_device_info ilk_d_info = {
GEN5_FEATURES,
PLATFORM(INTEL_IRONLAKE),
};
static const struct intel_device_info ilk_m_info = {
GEN5_FEATURES,
PLATFORM(INTEL_IRONLAKE),
.is_mobile = 1,
.display.has_fbc = 1,
};
#define GEN6_FEATURES \
GEN(6), \
.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B), \
.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B), \
.display.has_hotplug = 1, \
.display.has_fbc = 1, \
.engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0), \
.has_coherent_ggtt = true, \
.has_llc = 1, \
.has_rc6 = 1, \
.has_rc6p = 1, \
.has_rps = true, \
.dma_mask_size = 40, \
.ppgtt_type = INTEL_PPGTT_ALIASING, \
.ppgtt_size = 31, \
I9XX_PIPE_OFFSETS, \
I9XX_CURSOR_OFFSETS, \
ILK_COLORS, \
GEN_DEFAULT_PAGE_SIZES, \
GEN_DEFAULT_REGIONS
#define SNB_D_PLATFORM \
GEN6_FEATURES, \
PLATFORM(INTEL_SANDYBRIDGE)
static const struct intel_device_info snb_d_gt1_info = {
SNB_D_PLATFORM,
.gt = 1,
};
static const struct intel_device_info snb_d_gt2_info = {
SNB_D_PLATFORM,
.gt = 2,
};
#define SNB_M_PLATFORM \
GEN6_FEATURES, \
PLATFORM(INTEL_SANDYBRIDGE), \
.is_mobile = 1
static const struct intel_device_info snb_m_gt1_info = {
SNB_M_PLATFORM,
.gt = 1,
};
static const struct intel_device_info snb_m_gt2_info = {
SNB_M_PLATFORM,
.gt = 2,
};
#define GEN7_FEATURES \
GEN(7), \
.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C), \
.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B) | BIT(TRANSCODER_C), \
.display.has_hotplug = 1, \
.display.has_fbc = 1, \
.engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0), \
.has_coherent_ggtt = true, \
.has_llc = 1, \
.has_rc6 = 1, \
.has_rc6p = 1, \
.has_rps = true, \
.dma_mask_size = 40, \
.ppgtt_type = INTEL_PPGTT_ALIASING, \
.ppgtt_size = 31, \
IVB_PIPE_OFFSETS, \
IVB_CURSOR_OFFSETS, \
IVB_COLORS, \
GEN_DEFAULT_PAGE_SIZES, \
GEN_DEFAULT_REGIONS
#define IVB_D_PLATFORM \
GEN7_FEATURES, \
PLATFORM(INTEL_IVYBRIDGE), \
.has_l3_dpf = 1
static const struct intel_device_info ivb_d_gt1_info = {
IVB_D_PLATFORM,
.gt = 1,
};
static const struct intel_device_info ivb_d_gt2_info = {
IVB_D_PLATFORM,
.gt = 2,
};
#define IVB_M_PLATFORM \
GEN7_FEATURES, \
PLATFORM(INTEL_IVYBRIDGE), \
.is_mobile = 1, \
.has_l3_dpf = 1
static const struct intel_device_info ivb_m_gt1_info = {
IVB_M_PLATFORM,
.gt = 1,
};
static const struct intel_device_info ivb_m_gt2_info = {
IVB_M_PLATFORM,
.gt = 2,
};
static const struct intel_device_info ivb_q_info = {
GEN7_FEATURES,
PLATFORM(INTEL_IVYBRIDGE),
.gt = 2,
.pipe_mask = 0, /* legal, last one wins */
.cpu_transcoder_mask = 0,
.has_l3_dpf = 1,
};
static const struct intel_device_info vlv_info = {
PLATFORM(INTEL_VALLEYVIEW),
GEN(7),
.is_lp = 1,
.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B),
.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B),
.has_runtime_pm = 1,
.has_rc6 = 1,
.has_rps = true,
.display.has_gmch = 1,
.display.has_hotplug = 1,
.dma_mask_size = 40,
.ppgtt_type = INTEL_PPGTT_ALIASING,
.ppgtt_size = 31,
.has_snoop = true,
.has_coherent_ggtt = false,
.engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0),
.display_mmio_offset = VLV_DISPLAY_BASE,
I9XX_PIPE_OFFSETS,
I9XX_CURSOR_OFFSETS,
I965_COLORS,
GEN_DEFAULT_PAGE_SIZES,
GEN_DEFAULT_REGIONS,
};
#define G75_FEATURES \
GEN7_FEATURES, \
.engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0), \
.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B) | \
BIT(TRANSCODER_C) | BIT(TRANSCODER_EDP), \
.display.has_ddi = 1, \
.has_fpga_dbg = 1, \
.display.has_psr = 1, \
.display.has_dp_mst = 1, \
.has_rc6p = 0 /* RC6p removed-by HSW */, \
HSW_PIPE_OFFSETS, \
.has_runtime_pm = 1
#define HSW_PLATFORM \
G75_FEATURES, \
PLATFORM(INTEL_HASWELL), \
.has_l3_dpf = 1
static const struct intel_device_info hsw_gt1_info = {
HSW_PLATFORM,
.gt = 1,
};
static const struct intel_device_info hsw_gt2_info = {
HSW_PLATFORM,
.gt = 2,
};
static const struct intel_device_info hsw_gt3_info = {
HSW_PLATFORM,
.gt = 3,
};
#define GEN8_FEATURES \
G75_FEATURES, \
GEN(8), \
.has_logical_ring_contexts = 1, \
.dma_mask_size = 39, \
.ppgtt_type = INTEL_PPGTT_FULL, \
.ppgtt_size = 48, \
.has_64bit_reloc = 1, \
.has_reset_engine = 1
#define BDW_PLATFORM \
GEN8_FEATURES, \
PLATFORM(INTEL_BROADWELL)
static const struct intel_device_info bdw_gt1_info = {
BDW_PLATFORM,
.gt = 1,
};
static const struct intel_device_info bdw_gt2_info = {
BDW_PLATFORM,
.gt = 2,
};
static const struct intel_device_info bdw_rsvd_info = {
BDW_PLATFORM,
.gt = 3,
/* According to the device ID those devices are GT3, they were
* previously treated as not GT3, keep it like that.
*/
};
static const struct intel_device_info bdw_gt3_info = {
BDW_PLATFORM,
.gt = 3,
.engine_mask =
BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS1),
};
static const struct intel_device_info chv_info = {
PLATFORM(INTEL_CHERRYVIEW),
GEN(8),
.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C),
.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B) | BIT(TRANSCODER_C),
.display.has_hotplug = 1,
.is_lp = 1,
.engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0),
.has_64bit_reloc = 1,
.has_runtime_pm = 1,
.has_rc6 = 1,
.has_rps = true,
.has_logical_ring_contexts = 1,
.display.has_gmch = 1,
.dma_mask_size = 39,
.ppgtt_type = INTEL_PPGTT_FULL,
.ppgtt_size = 32,
.has_reset_engine = 1,
.has_snoop = true,
.has_coherent_ggtt = false,
.display_mmio_offset = VLV_DISPLAY_BASE,
CHV_PIPE_OFFSETS,
CHV_CURSOR_OFFSETS,
CHV_COLORS,
GEN_DEFAULT_PAGE_SIZES,
GEN_DEFAULT_REGIONS,
};
#define GEN9_DEFAULT_PAGE_SIZES \
.page_sizes = I915_GTT_PAGE_SIZE_4K | \
I915_GTT_PAGE_SIZE_64K
#define GEN9_FEATURES \
GEN8_FEATURES, \
GEN(9), \
GEN9_DEFAULT_PAGE_SIZES, \
.has_logical_ring_preemption = 1, \
.display.has_csr = 1, \
.has_gt_uc = 1, \
.display.has_hdcp = 1, \
.display.has_ipc = 1, \
.ddb_size = 896, \
.num_supported_dbuf_slices = 1
#define SKL_PLATFORM \
GEN9_FEATURES, \
PLATFORM(INTEL_SKYLAKE)
static const struct intel_device_info skl_gt1_info = {
SKL_PLATFORM,
.gt = 1,
};
static const struct intel_device_info skl_gt2_info = {
SKL_PLATFORM,
.gt = 2,
};
#define SKL_GT3_PLUS_PLATFORM \
SKL_PLATFORM, \
.engine_mask = \
BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS1)
static const struct intel_device_info skl_gt3_info = {
SKL_GT3_PLUS_PLATFORM,
.gt = 3,
};
static const struct intel_device_info skl_gt4_info = {
SKL_GT3_PLUS_PLATFORM,
.gt = 4,
};
#define GEN9_LP_FEATURES \
GEN(9), \
.is_lp = 1, \
.num_supported_dbuf_slices = 1, \
.display.has_hotplug = 1, \
.engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0), \
.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C), \
.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B) | \
BIT(TRANSCODER_C) | BIT(TRANSCODER_EDP) | \
BIT(TRANSCODER_DSI_A) | BIT(TRANSCODER_DSI_C), \
.has_64bit_reloc = 1, \
.display.has_ddi = 1, \
.has_fpga_dbg = 1, \
.display.has_fbc = 1, \
.display.has_hdcp = 1, \
.display.has_psr = 1, \
.has_runtime_pm = 1, \
.display.has_csr = 1, \
.has_rc6 = 1, \
.has_rps = true, \
.display.has_dp_mst = 1, \
.has_logical_ring_contexts = 1, \
.has_logical_ring_preemption = 1, \
.has_gt_uc = 1, \
.dma_mask_size = 39, \
.ppgtt_type = INTEL_PPGTT_FULL, \
.ppgtt_size = 48, \
.has_reset_engine = 1, \
.has_snoop = true, \
.has_coherent_ggtt = false, \
.display.has_ipc = 1, \
HSW_PIPE_OFFSETS, \
IVB_CURSOR_OFFSETS, \
IVB_COLORS, \
GEN9_DEFAULT_PAGE_SIZES, \
GEN_DEFAULT_REGIONS
static const struct intel_device_info bxt_info = {
GEN9_LP_FEATURES,
PLATFORM(INTEL_BROXTON),
.ddb_size = 512,
};
static const struct intel_device_info glk_info = {
GEN9_LP_FEATURES,
PLATFORM(INTEL_GEMINILAKE),
.ddb_size = 1024,
GLK_COLORS,
};
#define KBL_PLATFORM \
GEN9_FEATURES, \
PLATFORM(INTEL_KABYLAKE)
static const struct intel_device_info kbl_gt1_info = {
KBL_PLATFORM,
.gt = 1,
};
static const struct intel_device_info kbl_gt2_info = {
KBL_PLATFORM,
.gt = 2,
};
static const struct intel_device_info kbl_gt3_info = {
KBL_PLATFORM,
.gt = 3,
.engine_mask =
BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS1),
};
#define CFL_PLATFORM \
GEN9_FEATURES, \
PLATFORM(INTEL_COFFEELAKE)
static const struct intel_device_info cfl_gt1_info = {
CFL_PLATFORM,
.gt = 1,
};
static const struct intel_device_info cfl_gt2_info = {
CFL_PLATFORM,
.gt = 2,
};
static const struct intel_device_info cfl_gt3_info = {
CFL_PLATFORM,
.gt = 3,
.engine_mask =
BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS1),
};
#define GEN10_FEATURES \
GEN9_FEATURES, \
GEN(10), \
.ddb_size = 1024, \
.display.has_dsc = 1, \
.has_coherent_ggtt = false, \
GLK_COLORS
static const struct intel_device_info cnl_info = {
GEN10_FEATURES,
PLATFORM(INTEL_CANNONLAKE),
.gt = 2,
};
#define GEN11_DEFAULT_PAGE_SIZES \
.page_sizes = I915_GTT_PAGE_SIZE_4K | \
I915_GTT_PAGE_SIZE_64K | \
I915_GTT_PAGE_SIZE_2M
#define GEN11_FEATURES \
GEN10_FEATURES, \
GEN11_DEFAULT_PAGE_SIZES, \
.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B) | \
BIT(TRANSCODER_C) | BIT(TRANSCODER_EDP) | \
BIT(TRANSCODER_DSI_0) | BIT(TRANSCODER_DSI_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, \
}, \
GEN(11), \
.ddb_size = 2048, \
.num_supported_dbuf_slices = 2, \
.has_logical_ring_elsq = 1, \
.color = { .degamma_lut_size = 33, .gamma_lut_size = 262145 }
static const struct intel_device_info icl_info = {
GEN11_FEATURES,
PLATFORM(INTEL_ICELAKE),
.engine_mask =
BIT(RCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS0) | BIT(VCS2),
};
static const struct intel_device_info ehl_info = {
GEN11_FEATURES,
PLATFORM(INTEL_ELKHARTLAKE),
.require_force_probe = 1,
.engine_mask = BIT(RCS0) | BIT(BCS0) | BIT(VCS0) | BIT(VECS0),
.ppgtt_size = 36,
};
#define GEN12_FEATURES \
GEN11_FEATURES, \
GEN(12), \
.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C) | BIT(PIPE_D), \
.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B) | \
BIT(TRANSCODER_C) | BIT(TRANSCODER_D) | \
BIT(TRANSCODER_DSI_0) | BIT(TRANSCODER_DSI_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, \
.has_global_mocs = 1, \
.display.has_dsb = 1
static const struct intel_device_info tgl_info = {
GEN12_FEATURES,
PLATFORM(INTEL_TIGERLAKE),
.display.has_modular_fia = 1,
.engine_mask =
BIT(RCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS0) | BIT(VCS2),
};
#define GEN12_DGFX_FEATURES \
GEN12_FEATURES, \
.is_dgfx = 1
#undef GEN
#undef PLATFORM
/*
* Make sure any device matches here are from most specific to most
* general. For example, since the Quanta match is based on the subsystem
* and subvendor IDs, we need it to come before the more general IVB
* PCI ID matches, otherwise we'll use the wrong info struct above.
*/
static const struct pci_device_id pciidlist[] = {
INTEL_I830_IDS(&i830_info),
INTEL_I845G_IDS(&i845g_info),
INTEL_I85X_IDS(&i85x_info),
INTEL_I865G_IDS(&i865g_info),
INTEL_I915G_IDS(&i915g_info),
INTEL_I915GM_IDS(&i915gm_info),
INTEL_I945G_IDS(&i945g_info),
INTEL_I945GM_IDS(&i945gm_info),
INTEL_I965G_IDS(&i965g_info),
INTEL_G33_IDS(&g33_info),
INTEL_I965GM_IDS(&i965gm_info),
INTEL_GM45_IDS(&gm45_info),
INTEL_G45_IDS(&g45_info),
INTEL_PINEVIEW_G_IDS(&pnv_g_info),
INTEL_PINEVIEW_M_IDS(&pnv_m_info),
INTEL_IRONLAKE_D_IDS(&ilk_d_info),
INTEL_IRONLAKE_M_IDS(&ilk_m_info),
INTEL_SNB_D_GT1_IDS(&snb_d_gt1_info),
INTEL_SNB_D_GT2_IDS(&snb_d_gt2_info),
INTEL_SNB_M_GT1_IDS(&snb_m_gt1_info),
INTEL_SNB_M_GT2_IDS(&snb_m_gt2_info),
INTEL_IVB_Q_IDS(&ivb_q_info), /* must be first IVB */
INTEL_IVB_M_GT1_IDS(&ivb_m_gt1_info),
INTEL_IVB_M_GT2_IDS(&ivb_m_gt2_info),
INTEL_IVB_D_GT1_IDS(&ivb_d_gt1_info),
INTEL_IVB_D_GT2_IDS(&ivb_d_gt2_info),
INTEL_HSW_GT1_IDS(&hsw_gt1_info),
INTEL_HSW_GT2_IDS(&hsw_gt2_info),
INTEL_HSW_GT3_IDS(&hsw_gt3_info),
INTEL_VLV_IDS(&vlv_info),
INTEL_BDW_GT1_IDS(&bdw_gt1_info),
INTEL_BDW_GT2_IDS(&bdw_gt2_info),
INTEL_BDW_GT3_IDS(&bdw_gt3_info),
INTEL_BDW_RSVD_IDS(&bdw_rsvd_info),
INTEL_CHV_IDS(&chv_info),
INTEL_SKL_GT1_IDS(&skl_gt1_info),
INTEL_SKL_GT2_IDS(&skl_gt2_info),
INTEL_SKL_GT3_IDS(&skl_gt3_info),
INTEL_SKL_GT4_IDS(&skl_gt4_info),
INTEL_BXT_IDS(&bxt_info),
INTEL_GLK_IDS(&glk_info),
INTEL_KBL_GT1_IDS(&kbl_gt1_info),
INTEL_KBL_GT2_IDS(&kbl_gt2_info),
INTEL_KBL_GT3_IDS(&kbl_gt3_info),
INTEL_KBL_GT4_IDS(&kbl_gt3_info),
INTEL_AML_KBL_GT2_IDS(&kbl_gt2_info),
INTEL_CFL_S_GT1_IDS(&cfl_gt1_info),
INTEL_CFL_S_GT2_IDS(&cfl_gt2_info),
INTEL_CFL_H_GT1_IDS(&cfl_gt1_info),
INTEL_CFL_H_GT2_IDS(&cfl_gt2_info),
INTEL_CFL_U_GT2_IDS(&cfl_gt2_info),
INTEL_CFL_U_GT3_IDS(&cfl_gt3_info),
INTEL_WHL_U_GT1_IDS(&cfl_gt1_info),
INTEL_WHL_U_GT2_IDS(&cfl_gt2_info),
INTEL_AML_CFL_GT2_IDS(&cfl_gt2_info),
INTEL_WHL_U_GT3_IDS(&cfl_gt3_info),
INTEL_CML_GT1_IDS(&cfl_gt1_info),
INTEL_CML_GT2_IDS(&cfl_gt2_info),
INTEL_CML_U_GT1_IDS(&cfl_gt1_info),
INTEL_CML_U_GT2_IDS(&cfl_gt2_info),
INTEL_CNL_IDS(&cnl_info),
INTEL_ICL_11_IDS(&icl_info),
INTEL_EHL_IDS(&ehl_info),
INTEL_TGL_12_IDS(&tgl_info),
{0, 0, 0}
};
MODULE_DEVICE_TABLE(pci, pciidlist);
static void i915_pci_remove(struct pci_dev *pdev)
{
struct drm_i915_private *i915;
i915 = pci_get_drvdata(pdev);
if (!i915) /* driver load aborted, nothing to cleanup */
return;
i915_driver_remove(i915);
pci_set_drvdata(pdev, NULL);
}
/* is device_id present in comma separated list of ids */
static bool force_probe(u16 device_id, const char *devices)
{
char *s, *p, *tok;
bool ret;
if (!devices || !*devices)
return false;
/* match everything */
if (strcmp(devices, "*") == 0)
return true;
s = kstrdup(devices, GFP_KERNEL);
if (!s)
return false;
for (p = s, ret = false; (tok = strsep(&p, ",")) != NULL; ) {
u16 val;
if (kstrtou16(tok, 16, &val) == 0 && val == device_id) {
ret = true;
break;
}
}
kfree(s);
return ret;
}
static int i915_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
struct intel_device_info *intel_info =
(struct intel_device_info *) ent->driver_data;
int err;
if (intel_info->require_force_probe &&
!force_probe(pdev->device, i915_modparams.force_probe)) {
dev_info(&pdev->dev,
"Your graphics device %04x is not properly supported by the driver in this\n"
"kernel version. To force driver probe anyway, use i915.force_probe=%04x\n"
"module parameter or CONFIG_DRM_I915_FORCE_PROBE=%04x configuration option,\n"
"or (recommended) check for kernel updates.\n",
pdev->device, pdev->device, pdev->device);
return -ENODEV;
}
/* Only bind to function 0 of the device. Early generations
* used function 1 as a placeholder for multi-head. This causes
* us confusion instead, especially on the systems where both
* functions have the same PCI-ID!
*/
if (PCI_FUNC(pdev->devfn))
return -ENODEV;
/*
* apple-gmux is needed on dual GPU MacBook Pro
* to probe the panel if we're the inactive GPU.
*/
if (vga_switcheroo_client_probe_defer(pdev))
return -EPROBE_DEFER;
err = i915_driver_probe(pdev, ent);
if (err)
return err;
if (i915_inject_probe_failure(pci_get_drvdata(pdev))) {
i915_pci_remove(pdev);
return -ENODEV;
}
err = i915_live_selftests(pdev);
if (err) {
i915_pci_remove(pdev);
return err > 0 ? -ENOTTY : err;
}
err = i915_perf_selftests(pdev);
if (err) {
i915_pci_remove(pdev);
return err > 0 ? -ENOTTY : err;
}
return 0;
}
static struct pci_driver i915_pci_driver = {
.name = DRIVER_NAME,
.id_table = pciidlist,
.probe = i915_pci_probe,
.remove = i915_pci_remove,
.driver.pm = &i915_pm_ops,
};
static int __init i915_init(void)
{
bool use_kms = true;
int err;
err = i915_globals_init();
if (err)
return err;
err = i915_mock_selftests();
if (err)
return err > 0 ? 0 : err;
/*
* Enable KMS by default, unless explicitly overriden by
* either the i915.modeset prarameter or by the
* vga_text_mode_force boot option.
*/
if (i915_modparams.modeset == 0)
use_kms = false;
if (vgacon_text_force() && i915_modparams.modeset == -1)
use_kms = false;
if (!use_kms) {
/* Silently fail loading to not upset userspace. */
DRM_DEBUG_DRIVER("KMS disabled.\n");
return 0;
}
err = pci_register_driver(&i915_pci_driver);
if (err)
return err;
i915_perf_sysctl_register();
return 0;
}
static void __exit i915_exit(void)
{
if (!i915_pci_driver.driver.owner)
return;
i915_perf_sysctl_unregister();
pci_unregister_driver(&i915_pci_driver);
i915_globals_exit();
}
module_init(i915_init);
module_exit(i915_exit);
MODULE_AUTHOR("Tungsten Graphics, Inc.");
MODULE_AUTHOR("Intel Corporation");
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL and additional rights");
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