/* * Copyright(c) 2011-2016 Intel Corporation. All rights reserved. * * 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. * * Authors: * Ke Yu * Zhiyuan Lv * * Contributors: * Terrence Xu * Changbin Du * Bing Niu * Zhi Wang * */ #include "i915_drv.h" #include "i915_reg.h" #include "gvt.h" #include "display/bxt_dpio_phy_regs.h" #include "display/intel_display.h" #include "display/intel_dpio_phy.h" #include "display/intel_sprite_regs.h" static int get_edp_pipe(struct intel_vgpu *vgpu) { u32 data = vgpu_vreg(vgpu, _TRANS_DDI_FUNC_CTL_EDP); int pipe = -1; switch (data & TRANS_DDI_EDP_INPUT_MASK) { case TRANS_DDI_EDP_INPUT_A_ON: case TRANS_DDI_EDP_INPUT_A_ONOFF: pipe = PIPE_A; break; case TRANS_DDI_EDP_INPUT_B_ONOFF: pipe = PIPE_B; break; case TRANS_DDI_EDP_INPUT_C_ONOFF: pipe = PIPE_C; break; } return pipe; } static int edp_pipe_is_enabled(struct intel_vgpu *vgpu) { struct drm_i915_private *dev_priv = vgpu->gvt->gt->i915; if (!(vgpu_vreg_t(vgpu, TRANSCONF(TRANSCODER_EDP)) & TRANSCONF_ENABLE)) return 0; if (!(vgpu_vreg(vgpu, _TRANS_DDI_FUNC_CTL_EDP) & TRANS_DDI_FUNC_ENABLE)) return 0; return 1; } int pipe_is_enabled(struct intel_vgpu *vgpu, int pipe) { struct drm_i915_private *dev_priv = vgpu->gvt->gt->i915; if (drm_WARN_ON(&dev_priv->drm, pipe < PIPE_A || pipe >= I915_MAX_PIPES)) return -EINVAL; if (vgpu_vreg_t(vgpu, TRANSCONF(pipe)) & TRANSCONF_ENABLE) return 1; if (edp_pipe_is_enabled(vgpu) && get_edp_pipe(vgpu) == pipe) return 1; return 0; } static unsigned char virtual_dp_monitor_edid[GVT_EDID_NUM][EDID_SIZE] = { { /* EDID with 1024x768 as its resolution */ /*Header*/ 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, /* Vendor & Product Identification */ 0x22, 0xf0, 0x54, 0x29, 0x00, 0x00, 0x00, 0x00, 0x04, 0x17, /* Version & Revision */ 0x01, 0x04, /* Basic Display Parameters & Features */ 0xa5, 0x34, 0x20, 0x78, 0x23, /* Color Characteristics */ 0xfc, 0x81, 0xa4, 0x55, 0x4d, 0x9d, 0x25, 0x12, 0x50, 0x54, /* Established Timings: maximum resolution is 1024x768 */ 0x21, 0x08, 0x00, /* Standard Timings. All invalid */ 0x00, 0xc0, 0x00, 0xc0, 0x00, 0x40, 0x00, 0x80, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x01, /* 18 Byte Data Blocks 1: invalid */ 0x00, 0x00, 0x80, 0xa0, 0x70, 0xb0, 0x23, 0x40, 0x30, 0x20, 0x36, 0x00, 0x06, 0x44, 0x21, 0x00, 0x00, 0x1a, /* 18 Byte Data Blocks 2: invalid */ 0x00, 0x00, 0x00, 0xfd, 0x00, 0x18, 0x3c, 0x18, 0x50, 0x11, 0x00, 0x0a, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, /* 18 Byte Data Blocks 3: invalid */ 0x00, 0x00, 0x00, 0xfc, 0x00, 0x48, 0x50, 0x20, 0x5a, 0x52, 0x32, 0x34, 0x34, 0x30, 0x77, 0x0a, 0x20, 0x20, /* 18 Byte Data Blocks 4: invalid */ 0x00, 0x00, 0x00, 0xff, 0x00, 0x43, 0x4e, 0x34, 0x33, 0x30, 0x34, 0x30, 0x44, 0x58, 0x51, 0x0a, 0x20, 0x20, /* Extension Block Count */ 0x00, /* Checksum */ 0xef, }, { /* EDID with 1920x1200 as its resolution */ /*Header*/ 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, /* Vendor & Product Identification */ 0x22, 0xf0, 0x54, 0x29, 0x00, 0x00, 0x00, 0x00, 0x04, 0x17, /* Version & Revision */ 0x01, 0x04, /* Basic Display Parameters & Features */ 0xa5, 0x34, 0x20, 0x78, 0x23, /* Color Characteristics */ 0xfc, 0x81, 0xa4, 0x55, 0x4d, 0x9d, 0x25, 0x12, 0x50, 0x54, /* Established Timings: maximum resolution is 1024x768 */ 0x21, 0x08, 0x00, /* * Standard Timings. * below new resolutions can be supported: * 1920x1080, 1280x720, 1280x960, 1280x1024, * 1440x900, 1600x1200, 1680x1050 */ 0xd1, 0xc0, 0x81, 0xc0, 0x81, 0x40, 0x81, 0x80, 0x95, 0x00, 0xa9, 0x40, 0xb3, 0x00, 0x01, 0x01, /* 18 Byte Data Blocks 1: max resolution is 1920x1200 */ 0x28, 0x3c, 0x80, 0xa0, 0x70, 0xb0, 0x23, 0x40, 0x30, 0x20, 0x36, 0x00, 0x06, 0x44, 0x21, 0x00, 0x00, 0x1a, /* 18 Byte Data Blocks 2: invalid */ 0x00, 0x00, 0x00, 0xfd, 0x00, 0x18, 0x3c, 0x18, 0x50, 0x11, 0x00, 0x0a, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, /* 18 Byte Data Blocks 3: invalid */ 0x00, 0x00, 0x00, 0xfc, 0x00, 0x48, 0x50, 0x20, 0x5a, 0x52, 0x32, 0x34, 0x34, 0x30, 0x77, 0x0a, 0x20, 0x20, /* 18 Byte Data Blocks 4: invalid */ 0x00, 0x00, 0x00, 0xff, 0x00, 0x43, 0x4e, 0x34, 0x33, 0x30, 0x34, 0x30, 0x44, 0x58, 0x51, 0x0a, 0x20, 0x20, /* Extension Block Count */ 0x00, /* Checksum */ 0x45, }, }; #define DPCD_HEADER_SIZE 0xb /* let the virtual display supports DP1.2 */ static u8 dpcd_fix_data[DPCD_HEADER_SIZE] = { 0x12, 0x014, 0x84, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; static void emulate_monitor_status_change(struct intel_vgpu *vgpu) { struct drm_i915_private *dev_priv = vgpu->gvt->gt->i915; int pipe; if (IS_BROXTON(dev_priv)) { enum transcoder trans; enum port port; /* Clear PIPE, DDI, PHY, HPD before setting new */ vgpu_vreg_t(vgpu, GEN8_DE_PORT_ISR) &= ~(GEN8_DE_PORT_HOTPLUG(HPD_PORT_A) | GEN8_DE_PORT_HOTPLUG(HPD_PORT_B) | GEN8_DE_PORT_HOTPLUG(HPD_PORT_C)); for_each_pipe(dev_priv, pipe) { vgpu_vreg_t(vgpu, TRANSCONF(pipe)) &= ~(TRANSCONF_ENABLE | TRANSCONF_STATE_ENABLE); vgpu_vreg_t(vgpu, DSPCNTR(pipe)) &= ~DISP_ENABLE; vgpu_vreg_t(vgpu, SPRCTL(pipe)) &= ~SPRITE_ENABLE; vgpu_vreg_t(vgpu, CURCNTR(pipe)) &= ~MCURSOR_MODE_MASK; vgpu_vreg_t(vgpu, CURCNTR(pipe)) |= MCURSOR_MODE_DISABLE; } for (trans = TRANSCODER_A; trans <= TRANSCODER_EDP; trans++) { vgpu_vreg_t(vgpu, TRANS_DDI_FUNC_CTL(trans)) &= ~(TRANS_DDI_BPC_MASK | TRANS_DDI_MODE_SELECT_MASK | TRANS_DDI_PORT_MASK | TRANS_DDI_FUNC_ENABLE); } vgpu_vreg_t(vgpu, TRANS_DDI_FUNC_CTL(TRANSCODER_A)) &= ~(TRANS_DDI_BPC_MASK | TRANS_DDI_MODE_SELECT_MASK | TRANS_DDI_PORT_MASK); for (port = PORT_A; port <= PORT_C; port++) { vgpu_vreg_t(vgpu, BXT_PHY_CTL(port)) &= ~BXT_PHY_LANE_ENABLED; vgpu_vreg_t(vgpu, BXT_PHY_CTL(port)) |= (BXT_PHY_CMNLANE_POWERDOWN_ACK | BXT_PHY_LANE_POWERDOWN_ACK); vgpu_vreg_t(vgpu, BXT_PORT_PLL_ENABLE(port)) &= ~(PORT_PLL_POWER_STATE | PORT_PLL_POWER_ENABLE | PORT_PLL_REF_SEL | PORT_PLL_LOCK | PORT_PLL_ENABLE); vgpu_vreg_t(vgpu, DDI_BUF_CTL(port)) &= ~(DDI_INIT_DISPLAY_DETECTED | DDI_BUF_CTL_ENABLE); vgpu_vreg_t(vgpu, DDI_BUF_CTL(port)) |= DDI_BUF_IS_IDLE; } vgpu_vreg_t(vgpu, PCH_PORT_HOTPLUG) &= ~(PORTA_HOTPLUG_ENABLE | PORTA_HOTPLUG_STATUS_MASK); vgpu_vreg_t(vgpu, PCH_PORT_HOTPLUG) &= ~(PORTB_HOTPLUG_ENABLE | PORTB_HOTPLUG_STATUS_MASK); vgpu_vreg_t(vgpu, PCH_PORT_HOTPLUG) &= ~(PORTC_HOTPLUG_ENABLE | PORTC_HOTPLUG_STATUS_MASK); /* No hpd_invert set in vgpu vbt, need to clear invert mask */ vgpu_vreg_t(vgpu, PCH_PORT_HOTPLUG) &= ~BXT_DDI_HPD_INVERT_MASK; vgpu_vreg_t(vgpu, GEN8_DE_PORT_ISR) &= ~BXT_DE_PORT_HOTPLUG_MASK; vgpu_vreg_t(vgpu, BXT_P_CR_GT_DISP_PWRON) &= ~(BIT(0) | BIT(1)); vgpu_vreg_t(vgpu, BXT_PORT_CL1CM_DW0(DPIO_PHY0)) &= ~PHY_POWER_GOOD; vgpu_vreg_t(vgpu, BXT_PORT_CL1CM_DW0(DPIO_PHY1)) &= ~PHY_POWER_GOOD; vgpu_vreg_t(vgpu, BXT_PHY_CTL_FAMILY(DPIO_PHY0)) &= ~BIT(30); vgpu_vreg_t(vgpu, BXT_PHY_CTL_FAMILY(DPIO_PHY1)) &= ~BIT(30); vgpu_vreg_t(vgpu, SFUSE_STRAP) &= ~SFUSE_STRAP_DDIB_DETECTED; vgpu_vreg_t(vgpu, SFUSE_STRAP) &= ~SFUSE_STRAP_DDIC_DETECTED; /* * Only 1 PIPE enabled in current vGPU display and PIPE_A is * tied to TRANSCODER_A in HW, so it's safe to assume PIPE_A, * TRANSCODER_A can be enabled. PORT_x depends on the input of * setup_virtual_dp_monitor. */ vgpu_vreg_t(vgpu, TRANSCONF(TRANSCODER_A)) |= TRANSCONF_ENABLE; vgpu_vreg_t(vgpu, TRANSCONF(TRANSCODER_A)) |= TRANSCONF_STATE_ENABLE; /* * Golden M/N are calculated based on: * 24 bpp, 4 lanes, 154000 pixel clk (from virtual EDID), * DP link clk 1620 MHz and non-constant_n. * TODO: calculate DP link symbol clk and stream clk m/n. */ vgpu_vreg_t(vgpu, PIPE_DATA_M1(TRANSCODER_A)) = TU_SIZE(64); vgpu_vreg_t(vgpu, PIPE_DATA_M1(TRANSCODER_A)) |= 0x5b425e; vgpu_vreg_t(vgpu, PIPE_DATA_N1(TRANSCODER_A)) = 0x800000; vgpu_vreg_t(vgpu, PIPE_LINK_M1(TRANSCODER_A)) = 0x3cd6e; vgpu_vreg_t(vgpu, PIPE_LINK_N1(TRANSCODER_A)) = 0x80000; /* Enable per-DDI/PORT vreg */ if (intel_vgpu_has_monitor_on_port(vgpu, PORT_A)) { vgpu_vreg_t(vgpu, BXT_P_CR_GT_DISP_PWRON) |= BIT(1); vgpu_vreg_t(vgpu, BXT_PORT_CL1CM_DW0(DPIO_PHY1)) |= PHY_POWER_GOOD; vgpu_vreg_t(vgpu, BXT_PHY_CTL_FAMILY(DPIO_PHY1)) |= BIT(30); vgpu_vreg_t(vgpu, BXT_PHY_CTL(PORT_A)) |= BXT_PHY_LANE_ENABLED; vgpu_vreg_t(vgpu, BXT_PHY_CTL(PORT_A)) &= ~(BXT_PHY_CMNLANE_POWERDOWN_ACK | BXT_PHY_LANE_POWERDOWN_ACK); vgpu_vreg_t(vgpu, BXT_PORT_PLL_ENABLE(PORT_A)) |= (PORT_PLL_POWER_STATE | PORT_PLL_POWER_ENABLE | PORT_PLL_REF_SEL | PORT_PLL_LOCK | PORT_PLL_ENABLE); vgpu_vreg_t(vgpu, DDI_BUF_CTL(PORT_A)) |= (DDI_BUF_CTL_ENABLE | DDI_INIT_DISPLAY_DETECTED); vgpu_vreg_t(vgpu, DDI_BUF_CTL(PORT_A)) &= ~DDI_BUF_IS_IDLE; vgpu_vreg_t(vgpu, TRANS_DDI_FUNC_CTL(TRANSCODER_EDP)) |= (TRANS_DDI_BPC_8 | TRANS_DDI_MODE_SELECT_DP_SST | TRANS_DDI_FUNC_ENABLE); vgpu_vreg_t(vgpu, PCH_PORT_HOTPLUG) |= PORTA_HOTPLUG_ENABLE; vgpu_vreg_t(vgpu, GEN8_DE_PORT_ISR) |= GEN8_DE_PORT_HOTPLUG(HPD_PORT_A); } if (intel_vgpu_has_monitor_on_port(vgpu, PORT_B)) { vgpu_vreg_t(vgpu, SFUSE_STRAP) |= SFUSE_STRAP_DDIB_DETECTED; vgpu_vreg_t(vgpu, BXT_P_CR_GT_DISP_PWRON) |= BIT(0); vgpu_vreg_t(vgpu, BXT_PORT_CL1CM_DW0(DPIO_PHY0)) |= PHY_POWER_GOOD; vgpu_vreg_t(vgpu, BXT_PHY_CTL_FAMILY(DPIO_PHY0)) |= BIT(30); vgpu_vreg_t(vgpu, BXT_PHY_CTL(PORT_B)) |= BXT_PHY_LANE_ENABLED; vgpu_vreg_t(vgpu, BXT_PHY_CTL(PORT_B)) &= ~(BXT_PHY_CMNLANE_POWERDOWN_ACK | BXT_PHY_LANE_POWERDOWN_ACK); vgpu_vreg_t(vgpu, BXT_PORT_PLL_ENABLE(PORT_B)) |= (PORT_PLL_POWER_STATE | PORT_PLL_POWER_ENABLE | PORT_PLL_REF_SEL | PORT_PLL_LOCK | PORT_PLL_ENABLE); vgpu_vreg_t(vgpu, DDI_BUF_CTL(PORT_B)) |= DDI_BUF_CTL_ENABLE; vgpu_vreg_t(vgpu, DDI_BUF_CTL(PORT_B)) &= ~DDI_BUF_IS_IDLE; vgpu_vreg_t(vgpu, TRANS_DDI_FUNC_CTL(TRANSCODER_A)) |= (TRANS_DDI_BPC_8 | TRANS_DDI_MODE_SELECT_DP_SST | (PORT_B << TRANS_DDI_PORT_SHIFT) | TRANS_DDI_FUNC_ENABLE); vgpu_vreg_t(vgpu, PCH_PORT_HOTPLUG) |= PORTB_HOTPLUG_ENABLE; vgpu_vreg_t(vgpu, GEN8_DE_PORT_ISR) |= GEN8_DE_PORT_HOTPLUG(HPD_PORT_B); } if (intel_vgpu_has_monitor_on_port(vgpu, PORT_C)) { vgpu_vreg_t(vgpu, SFUSE_STRAP) |= SFUSE_STRAP_DDIC_DETECTED; vgpu_vreg_t(vgpu, BXT_P_CR_GT_DISP_PWRON) |= BIT(0); vgpu_vreg_t(vgpu, BXT_PORT_CL1CM_DW0(DPIO_PHY0)) |= PHY_POWER_GOOD; vgpu_vreg_t(vgpu, BXT_PHY_CTL_FAMILY(DPIO_PHY0)) |= BIT(30); vgpu_vreg_t(vgpu, BXT_PHY_CTL(PORT_C)) |= BXT_PHY_LANE_ENABLED; vgpu_vreg_t(vgpu, BXT_PHY_CTL(PORT_C)) &= ~(BXT_PHY_CMNLANE_POWERDOWN_ACK | BXT_PHY_LANE_POWERDOWN_ACK); vgpu_vreg_t(vgpu, BXT_PORT_PLL_ENABLE(PORT_C)) |= (PORT_PLL_POWER_STATE | PORT_PLL_POWER_ENABLE | PORT_PLL_REF_SEL | PORT_PLL_LOCK | PORT_PLL_ENABLE); vgpu_vreg_t(vgpu, DDI_BUF_CTL(PORT_C)) |= DDI_BUF_CTL_ENABLE; vgpu_vreg_t(vgpu, DDI_BUF_CTL(PORT_C)) &= ~DDI_BUF_IS_IDLE; vgpu_vreg_t(vgpu, TRANS_DDI_FUNC_CTL(TRANSCODER_A)) |= (TRANS_DDI_BPC_8 | TRANS_DDI_MODE_SELECT_DP_SST | (PORT_B << TRANS_DDI_PORT_SHIFT) | TRANS_DDI_FUNC_ENABLE); vgpu_vreg_t(vgpu, PCH_PORT_HOTPLUG) |= PORTC_HOTPLUG_ENABLE; vgpu_vreg_t(vgpu, GEN8_DE_PORT_ISR) |= GEN8_DE_PORT_HOTPLUG(HPD_PORT_C); } return; } vgpu_vreg_t(vgpu, SDEISR) &= ~(SDE_PORTB_HOTPLUG_CPT | SDE_PORTC_HOTPLUG_CPT | SDE_PORTD_HOTPLUG_CPT); if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv) || IS_COFFEELAKE(dev_priv) || IS_COMETLAKE(dev_priv)) { vgpu_vreg_t(vgpu, SDEISR) &= ~(SDE_PORTA_HOTPLUG_SPT | SDE_PORTE_HOTPLUG_SPT); vgpu_vreg_t(vgpu, SKL_FUSE_STATUS) |= SKL_FUSE_DOWNLOAD_STATUS | SKL_FUSE_PG_DIST_STATUS(SKL_PG0) | SKL_FUSE_PG_DIST_STATUS(SKL_PG1) | SKL_FUSE_PG_DIST_STATUS(SKL_PG2); /* * Only 1 PIPE enabled in current vGPU display and PIPE_A is * tied to TRANSCODER_A in HW, so it's safe to assume PIPE_A, * TRANSCODER_A can be enabled. PORT_x depends on the input of * setup_virtual_dp_monitor, we can bind DPLL0 to any PORT_x * so we fixed to DPLL0 here. * Setup DPLL0: DP link clk 1620 MHz, non SSC, DP Mode */ vgpu_vreg_t(vgpu, DPLL_CTRL1) = DPLL_CTRL1_OVERRIDE(DPLL_ID_SKL_DPLL0); vgpu_vreg_t(vgpu, DPLL_CTRL1) |= DPLL_CTRL1_LINK_RATE(DPLL_CTRL1_LINK_RATE_1620, DPLL_ID_SKL_DPLL0); vgpu_vreg_t(vgpu, LCPLL1_CTL) = LCPLL_PLL_ENABLE | LCPLL_PLL_LOCK; vgpu_vreg_t(vgpu, DPLL_STATUS) = DPLL_LOCK(DPLL_ID_SKL_DPLL0); /* * Golden M/N are calculated based on: * 24 bpp, 4 lanes, 154000 pixel clk (from virtual EDID), * DP link clk 1620 MHz and non-constant_n. * TODO: calculate DP link symbol clk and stream clk m/n. */ vgpu_vreg_t(vgpu, PIPE_DATA_M1(TRANSCODER_A)) = TU_SIZE(64); vgpu_vreg_t(vgpu, PIPE_DATA_M1(TRANSCODER_A)) |= 0x5b425e; vgpu_vreg_t(vgpu, PIPE_DATA_N1(TRANSCODER_A)) = 0x800000; vgpu_vreg_t(vgpu, PIPE_LINK_M1(TRANSCODER_A)) = 0x3cd6e; vgpu_vreg_t(vgpu, PIPE_LINK_N1(TRANSCODER_A)) = 0x80000; } if (intel_vgpu_has_monitor_on_port(vgpu, PORT_B)) { vgpu_vreg_t(vgpu, DPLL_CTRL2) &= ~DPLL_CTRL2_DDI_CLK_OFF(PORT_B); vgpu_vreg_t(vgpu, DPLL_CTRL2) |= DPLL_CTRL2_DDI_CLK_SEL(DPLL_ID_SKL_DPLL0, PORT_B); vgpu_vreg_t(vgpu, DPLL_CTRL2) |= DPLL_CTRL2_DDI_SEL_OVERRIDE(PORT_B); vgpu_vreg_t(vgpu, SFUSE_STRAP) |= SFUSE_STRAP_DDIB_DETECTED; vgpu_vreg_t(vgpu, TRANS_DDI_FUNC_CTL(TRANSCODER_A)) &= ~(TRANS_DDI_BPC_MASK | TRANS_DDI_MODE_SELECT_MASK | TRANS_DDI_PORT_MASK); vgpu_vreg_t(vgpu, TRANS_DDI_FUNC_CTL(TRANSCODER_A)) |= (TRANS_DDI_BPC_8 | TRANS_DDI_MODE_SELECT_DP_SST | (PORT_B << TRANS_DDI_PORT_SHIFT) | TRANS_DDI_FUNC_ENABLE); if (IS_BROADWELL(dev_priv)) { vgpu_vreg_t(vgpu, PORT_CLK_SEL(PORT_B)) &= ~PORT_CLK_SEL_MASK; vgpu_vreg_t(vgpu, PORT_CLK_SEL(PORT_B)) |= PORT_CLK_SEL_LCPLL_810; } vgpu_vreg_t(vgpu, DDI_BUF_CTL(PORT_B)) |= DDI_BUF_CTL_ENABLE; vgpu_vreg_t(vgpu, DDI_BUF_CTL(PORT_B)) &= ~DDI_BUF_IS_IDLE; vgpu_vreg_t(vgpu, SDEISR) |= SDE_PORTB_HOTPLUG_CPT; } if (intel_vgpu_has_monitor_on_port(vgpu, PORT_C)) { vgpu_vreg_t(vgpu, DPLL_CTRL2) &= ~DPLL_CTRL2_DDI_CLK_OFF(PORT_C); vgpu_vreg_t(vgpu, DPLL_CTRL2) |= DPLL_CTRL2_DDI_CLK_SEL(DPLL_ID_SKL_DPLL0, PORT_C); vgpu_vreg_t(vgpu, DPLL_CTRL2) |= DPLL_CTRL2_DDI_SEL_OVERRIDE(PORT_C); vgpu_vreg_t(vgpu, SDEISR) |= SDE_PORTC_HOTPLUG_CPT; vgpu_vreg_t(vgpu, TRANS_DDI_FUNC_CTL(TRANSCODER_A)) &= ~(TRANS_DDI_BPC_MASK | TRANS_DDI_MODE_SELECT_MASK | TRANS_DDI_PORT_MASK); vgpu_vreg_t(vgpu, TRANS_DDI_FUNC_CTL(TRANSCODER_A)) |= (TRANS_DDI_BPC_8 | TRANS_DDI_MODE_SELECT_DP_SST | (PORT_C << TRANS_DDI_PORT_SHIFT) | TRANS_DDI_FUNC_ENABLE); if (IS_BROADWELL(dev_priv)) { vgpu_vreg_t(vgpu, PORT_CLK_SEL(PORT_C)) &= ~PORT_CLK_SEL_MASK; vgpu_vreg_t(vgpu, PORT_CLK_SEL(PORT_C)) |= PORT_CLK_SEL_LCPLL_810; } vgpu_vreg_t(vgpu, DDI_BUF_CTL(PORT_C)) |= DDI_BUF_CTL_ENABLE; vgpu_vreg_t(vgpu, DDI_BUF_CTL(PORT_C)) &= ~DDI_BUF_IS_IDLE; vgpu_vreg_t(vgpu, SFUSE_STRAP) |= SFUSE_STRAP_DDIC_DETECTED; } if (intel_vgpu_has_monitor_on_port(vgpu, PORT_D)) { vgpu_vreg_t(vgpu, DPLL_CTRL2) &= ~DPLL_CTRL2_DDI_CLK_OFF(PORT_D); vgpu_vreg_t(vgpu, DPLL_CTRL2) |= DPLL_CTRL2_DDI_CLK_SEL(DPLL_ID_SKL_DPLL0, PORT_D); vgpu_vreg_t(vgpu, DPLL_CTRL2) |= DPLL_CTRL2_DDI_SEL_OVERRIDE(PORT_D); vgpu_vreg_t(vgpu, SDEISR) |= SDE_PORTD_HOTPLUG_CPT; vgpu_vreg_t(vgpu, TRANS_DDI_FUNC_CTL(TRANSCODER_A)) &= ~(TRANS_DDI_BPC_MASK | TRANS_DDI_MODE_SELECT_MASK | TRANS_DDI_PORT_MASK); vgpu_vreg_t(vgpu, TRANS_DDI_FUNC_CTL(TRANSCODER_A)) |= (TRANS_DDI_BPC_8 | TRANS_DDI_MODE_SELECT_DP_SST | (PORT_D << TRANS_DDI_PORT_SHIFT) | TRANS_DDI_FUNC_ENABLE); if (IS_BROADWELL(dev_priv)) { vgpu_vreg_t(vgpu, PORT_CLK_SEL(PORT_D)) &= ~PORT_CLK_SEL_MASK; vgpu_vreg_t(vgpu, PORT_CLK_SEL(PORT_D)) |= PORT_CLK_SEL_LCPLL_810; } vgpu_vreg_t(vgpu, DDI_BUF_CTL(PORT_D)) |= DDI_BUF_CTL_ENABLE; vgpu_vreg_t(vgpu, DDI_BUF_CTL(PORT_D)) &= ~DDI_BUF_IS_IDLE; vgpu_vreg_t(vgpu, SFUSE_STRAP) |= SFUSE_STRAP_DDID_DETECTED; } if ((IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv) || IS_COFFEELAKE(dev_priv) || IS_COMETLAKE(dev_priv)) && intel_vgpu_has_monitor_on_port(vgpu, PORT_E)) { vgpu_vreg_t(vgpu, SDEISR) |= SDE_PORTE_HOTPLUG_SPT; } if (intel_vgpu_has_monitor_on_port(vgpu, PORT_A)) { if (IS_BROADWELL(dev_priv)) vgpu_vreg_t(vgpu, GEN8_DE_PORT_ISR) |= GEN8_DE_PORT_HOTPLUG(HPD_PORT_A); else vgpu_vreg_t(vgpu, SDEISR) |= SDE_PORTA_HOTPLUG_SPT; vgpu_vreg_t(vgpu, DDI_BUF_CTL(PORT_A)) |= DDI_INIT_DISPLAY_DETECTED; } /* Clear host CRT status, so guest couldn't detect this host CRT. */ if (IS_BROADWELL(dev_priv)) vgpu_vreg_t(vgpu, PCH_ADPA) &= ~ADPA_CRT_HOTPLUG_MONITOR_MASK; /* Disable Primary/Sprite/Cursor plane */ for_each_pipe(dev_priv, pipe) { vgpu_vreg_t(vgpu, DSPCNTR(pipe)) &= ~DISP_ENABLE; vgpu_vreg_t(vgpu, SPRCTL(pipe)) &= ~SPRITE_ENABLE; vgpu_vreg_t(vgpu, CURCNTR(pipe)) &= ~MCURSOR_MODE_MASK; vgpu_vreg_t(vgpu, CURCNTR(pipe)) |= MCURSOR_MODE_DISABLE; } vgpu_vreg_t(vgpu, TRANSCONF(TRANSCODER_A)) |= TRANSCONF_ENABLE; } static void clean_virtual_dp_monitor(struct intel_vgpu *vgpu, int port_num) { struct intel_vgpu_port *port = intel_vgpu_port(vgpu, port_num); kfree(port->edid); port->edid = NULL; kfree(port->dpcd); port->dpcd = NULL; } static enum hrtimer_restart vblank_timer_fn(struct hrtimer *data) { struct intel_vgpu_vblank_timer *vblank_timer; struct intel_vgpu *vgpu; vblank_timer = container_of(data, struct intel_vgpu_vblank_timer, timer); vgpu = container_of(vblank_timer, struct intel_vgpu, vblank_timer); /* Set vblank emulation request per-vGPU bit */ intel_gvt_request_service(vgpu->gvt, INTEL_GVT_REQUEST_EMULATE_VBLANK + vgpu->id); hrtimer_add_expires_ns(&vblank_timer->timer, vblank_timer->period); return HRTIMER_RESTART; } static int setup_virtual_dp_monitor(struct intel_vgpu *vgpu, int port_num, int type, unsigned int resolution) { struct drm_i915_private *i915 = vgpu->gvt->gt->i915; struct intel_vgpu_port *port = intel_vgpu_port(vgpu, port_num); struct intel_vgpu_vblank_timer *vblank_timer = &vgpu->vblank_timer; if (drm_WARN_ON(&i915->drm, resolution >= GVT_EDID_NUM)) return -EINVAL; port->edid = kzalloc(sizeof(*(port->edid)), GFP_KERNEL); if (!port->edid) return -ENOMEM; port->dpcd = kzalloc(sizeof(*(port->dpcd)), GFP_KERNEL); if (!port->dpcd) { kfree(port->edid); return -ENOMEM; } memcpy(port->edid->edid_block, virtual_dp_monitor_edid[resolution], EDID_SIZE); port->edid->data_valid = true; memcpy(port->dpcd->data, dpcd_fix_data, DPCD_HEADER_SIZE); port->dpcd->data_valid = true; port->dpcd->data[DPCD_SINK_COUNT] = 0x1; port->type = type; port->id = resolution; port->vrefresh_k = GVT_DEFAULT_REFRESH_RATE * MSEC_PER_SEC; vgpu->display.port_num = port_num; /* Init hrtimer based on default refresh rate */ hrtimer_init(&vblank_timer->timer, CLOCK_MONOTONIC, HRTIMER_MODE_ABS); vblank_timer->timer.function = vblank_timer_fn; vblank_timer->vrefresh_k = port->vrefresh_k; vblank_timer->period = DIV64_U64_ROUND_CLOSEST(NSEC_PER_SEC * MSEC_PER_SEC, vblank_timer->vrefresh_k); emulate_monitor_status_change(vgpu); return 0; } /** * vgpu_update_vblank_emulation - Update per-vGPU vblank_timer * @vgpu: vGPU operated * @turnon: Turn ON/OFF vblank_timer * * This function is used to turn on/off or update the per-vGPU vblank_timer * when TRANSCONF is enabled or disabled. vblank_timer period is also updated * if guest changed the refresh rate. * */ void vgpu_update_vblank_emulation(struct intel_vgpu *vgpu, bool turnon) { struct intel_vgpu_vblank_timer *vblank_timer = &vgpu->vblank_timer; struct intel_vgpu_port *port = intel_vgpu_port(vgpu, vgpu->display.port_num); if (turnon) { /* * Skip the re-enable if already active and vrefresh unchanged. * Otherwise, stop timer if already active and restart with new * period. */ if (vblank_timer->vrefresh_k != port->vrefresh_k || !hrtimer_active(&vblank_timer->timer)) { /* Stop timer before start with new period if active */ if (hrtimer_active(&vblank_timer->timer)) hrtimer_cancel(&vblank_timer->timer); /* Make sure new refresh rate updated to timer period */ vblank_timer->vrefresh_k = port->vrefresh_k; vblank_timer->period = DIV64_U64_ROUND_CLOSEST(NSEC_PER_SEC * MSEC_PER_SEC, vblank_timer->vrefresh_k); hrtimer_start(&vblank_timer->timer, ktime_add_ns(ktime_get(), vblank_timer->period), HRTIMER_MODE_ABS); } } else { /* Caller request to stop vblank */ hrtimer_cancel(&vblank_timer->timer); } } static void emulate_vblank_on_pipe(struct intel_vgpu *vgpu, int pipe) { struct drm_i915_private *dev_priv = vgpu->gvt->gt->i915; struct intel_vgpu_irq *irq = &vgpu->irq; int vblank_event[] = { [PIPE_A] = PIPE_A_VBLANK, [PIPE_B] = PIPE_B_VBLANK, [PIPE_C] = PIPE_C_VBLANK, }; int event; if (pipe < PIPE_A || pipe > PIPE_C) return; for_each_set_bit(event, irq->flip_done_event[pipe], INTEL_GVT_EVENT_MAX) { clear_bit(event, irq->flip_done_event[pipe]); if (!pipe_is_enabled(vgpu, pipe)) continue; intel_vgpu_trigger_virtual_event(vgpu, event); } if (pipe_is_enabled(vgpu, pipe)) { vgpu_vreg_t(vgpu, PIPE_FRMCOUNT_G4X(pipe))++; intel_vgpu_trigger_virtual_event(vgpu, vblank_event[pipe]); } } void intel_vgpu_emulate_vblank(struct intel_vgpu *vgpu) { int pipe; mutex_lock(&vgpu->vgpu_lock); for_each_pipe(vgpu->gvt->gt->i915, pipe) emulate_vblank_on_pipe(vgpu, pipe); mutex_unlock(&vgpu->vgpu_lock); } /** * intel_vgpu_emulate_hotplug - trigger hotplug event for vGPU * @vgpu: a vGPU * @connected: link state * * This function is used to trigger hotplug interrupt for vGPU * */ void intel_vgpu_emulate_hotplug(struct intel_vgpu *vgpu, bool connected) { struct drm_i915_private *i915 = vgpu->gvt->gt->i915; /* TODO: add more platforms support */ if (IS_SKYLAKE(i915) || IS_KABYLAKE(i915) || IS_COFFEELAKE(i915) || IS_COMETLAKE(i915)) { if (connected) { vgpu_vreg_t(vgpu, SFUSE_STRAP) |= SFUSE_STRAP_DDID_DETECTED; vgpu_vreg_t(vgpu, SDEISR) |= SDE_PORTD_HOTPLUG_CPT; } else { vgpu_vreg_t(vgpu, SFUSE_STRAP) &= ~SFUSE_STRAP_DDID_DETECTED; vgpu_vreg_t(vgpu, SDEISR) &= ~SDE_PORTD_HOTPLUG_CPT; } vgpu_vreg_t(vgpu, SDEIIR) |= SDE_PORTD_HOTPLUG_CPT; vgpu_vreg_t(vgpu, PCH_PORT_HOTPLUG) |= PORTD_HOTPLUG_STATUS_MASK; intel_vgpu_trigger_virtual_event(vgpu, DP_D_HOTPLUG); } else if (IS_BROXTON(i915)) { if (intel_vgpu_has_monitor_on_port(vgpu, PORT_A)) { if (connected) { vgpu_vreg_t(vgpu, GEN8_DE_PORT_ISR) |= GEN8_DE_PORT_HOTPLUG(HPD_PORT_A); } else { vgpu_vreg_t(vgpu, GEN8_DE_PORT_ISR) &= ~GEN8_DE_PORT_HOTPLUG(HPD_PORT_A); } vgpu_vreg_t(vgpu, GEN8_DE_PORT_IIR) |= GEN8_DE_PORT_HOTPLUG(HPD_PORT_A); vgpu_vreg_t(vgpu, PCH_PORT_HOTPLUG) &= ~PORTA_HOTPLUG_STATUS_MASK; vgpu_vreg_t(vgpu, PCH_PORT_HOTPLUG) |= PORTA_HOTPLUG_LONG_DETECT; intel_vgpu_trigger_virtual_event(vgpu, DP_A_HOTPLUG); } if (intel_vgpu_has_monitor_on_port(vgpu, PORT_B)) { if (connected) { vgpu_vreg_t(vgpu, GEN8_DE_PORT_ISR) |= GEN8_DE_PORT_HOTPLUG(HPD_PORT_B); vgpu_vreg_t(vgpu, SFUSE_STRAP) |= SFUSE_STRAP_DDIB_DETECTED; } else { vgpu_vreg_t(vgpu, GEN8_DE_PORT_ISR) &= ~GEN8_DE_PORT_HOTPLUG(HPD_PORT_B); vgpu_vreg_t(vgpu, SFUSE_STRAP) &= ~SFUSE_STRAP_DDIB_DETECTED; } vgpu_vreg_t(vgpu, GEN8_DE_PORT_IIR) |= GEN8_DE_PORT_HOTPLUG(HPD_PORT_B); vgpu_vreg_t(vgpu, PCH_PORT_HOTPLUG) &= ~PORTB_HOTPLUG_STATUS_MASK; vgpu_vreg_t(vgpu, PCH_PORT_HOTPLUG) |= PORTB_HOTPLUG_LONG_DETECT; intel_vgpu_trigger_virtual_event(vgpu, DP_B_HOTPLUG); } if (intel_vgpu_has_monitor_on_port(vgpu, PORT_C)) { if (connected) { vgpu_vreg_t(vgpu, GEN8_DE_PORT_ISR) |= GEN8_DE_PORT_HOTPLUG(HPD_PORT_C); vgpu_vreg_t(vgpu, SFUSE_STRAP) |= SFUSE_STRAP_DDIC_DETECTED; } else { vgpu_vreg_t(vgpu, GEN8_DE_PORT_ISR) &= ~GEN8_DE_PORT_HOTPLUG(HPD_PORT_C); vgpu_vreg_t(vgpu, SFUSE_STRAP) &= ~SFUSE_STRAP_DDIC_DETECTED; } vgpu_vreg_t(vgpu, GEN8_DE_PORT_IIR) |= GEN8_DE_PORT_HOTPLUG(HPD_PORT_C); vgpu_vreg_t(vgpu, PCH_PORT_HOTPLUG) &= ~PORTC_HOTPLUG_STATUS_MASK; vgpu_vreg_t(vgpu, PCH_PORT_HOTPLUG) |= PORTC_HOTPLUG_LONG_DETECT; intel_vgpu_trigger_virtual_event(vgpu, DP_C_HOTPLUG); } } } /** * intel_vgpu_clean_display - clean vGPU virtual display emulation * @vgpu: a vGPU * * This function is used to clean vGPU virtual display emulation stuffs * */ void intel_vgpu_clean_display(struct intel_vgpu *vgpu) { struct drm_i915_private *dev_priv = vgpu->gvt->gt->i915; if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv) || IS_COFFEELAKE(dev_priv) || IS_COMETLAKE(dev_priv)) clean_virtual_dp_monitor(vgpu, PORT_D); else clean_virtual_dp_monitor(vgpu, PORT_B); vgpu_update_vblank_emulation(vgpu, false); } /** * intel_vgpu_init_display- initialize vGPU virtual display emulation * @vgpu: a vGPU * @resolution: resolution index for intel_vgpu_edid * * This function is used to initialize vGPU virtual display emulation stuffs * * Returns: * Zero on success, negative error code if failed. * */ int intel_vgpu_init_display(struct intel_vgpu *vgpu, u64 resolution) { struct drm_i915_private *dev_priv = vgpu->gvt->gt->i915; intel_vgpu_init_i2c_edid(vgpu); if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv) || IS_COFFEELAKE(dev_priv) || IS_COMETLAKE(dev_priv)) return setup_virtual_dp_monitor(vgpu, PORT_D, GVT_DP_D, resolution); else return setup_virtual_dp_monitor(vgpu, PORT_B, GVT_DP_B, resolution); } /** * intel_vgpu_reset_display- reset vGPU virtual display emulation * @vgpu: a vGPU * * This function is used to reset vGPU virtual display emulation stuffs * */ void intel_vgpu_reset_display(struct intel_vgpu *vgpu) { emulate_monitor_status_change(vgpu); }