diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_display_device.c')
-rw-r--r-- | drivers/gpu/drm/i915/display/intel_display_device.c | 917 |
1 files changed, 917 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display_device.c b/drivers/gpu/drm/i915/display/intel_display_device.c new file mode 100644 index 000000000000..3fd30e7f0062 --- /dev/null +++ b/drivers/gpu/drm/i915/display/intel_display_device.c @@ -0,0 +1,917 @@ +// 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" + +__diag_push(); +__diag_ignore_all("-Woverride-init", "Allow overriding inherited members"); + +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), +}; + +__diag_pop(); + +#undef INTEL_VGA_DEVICE +#undef INTEL_QUANTA_VGA_DEVICE +#define INTEL_VGA_DEVICE(id, info) { id, info } +#define INTEL_QUANTA_VGA_DEVICE(info) { 0x16a, 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_Q_IDS(NULL), /* must be first IVB in list */ + 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); + + 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)); +} |