diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gvt/display.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/display.c | 506 |
1 files changed, 419 insertions, 87 deletions
diff --git a/drivers/gpu/drm/i915/gvt/display.c b/drivers/gpu/drm/i915/gvt/display.c index df1e14145747..06517d1f07a2 100644 --- a/drivers/gpu/drm/i915/gvt/display.c +++ b/drivers/gpu/drm/i915/gvt/display.c @@ -32,9 +32,23 @@ * */ +#include <drm/display/drm_dp.h> +#include <drm/drm_print.h> + #include "i915_drv.h" +#include "i915_reg.h" +#include "display/intel_display_regs.h" #include "gvt.h" +#include "display/bxt_dpio_phy_regs.h" +#include "display/i9xx_plane_regs.h" +#include "display/intel_crt_regs.h" +#include "display/intel_cursor_regs.h" +#include "display/intel_display.h" +#include "display/intel_display_core.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); @@ -57,9 +71,10 @@ static int get_edp_pipe(struct intel_vgpu *vgpu) static int edp_pipe_is_enabled(struct intel_vgpu *vgpu) { - struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv; + struct drm_i915_private *dev_priv = vgpu->gvt->gt->i915; + struct intel_display *display = dev_priv->display; - if (!(vgpu_vreg_t(vgpu, PIPECONF(_PIPE_EDP)) & PIPECONF_ENABLE)) + if (!(vgpu_vreg_t(vgpu, TRANSCONF(display, TRANSCODER_EDP)) & TRANSCONF_ENABLE)) return 0; if (!(vgpu_vreg(vgpu, _TRANS_DDI_FUNC_CTL_EDP) & TRANS_DDI_FUNC_ENABLE)) @@ -69,12 +84,14 @@ static int edp_pipe_is_enabled(struct intel_vgpu *vgpu) int pipe_is_enabled(struct intel_vgpu *vgpu, int pipe) { - struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv; + struct drm_i915_private *dev_priv = vgpu->gvt->gt->i915; + struct intel_display *display = dev_priv->display; - if (WARN_ON(pipe < PIPE_A || pipe >= I915_MAX_PIPES)) + if (drm_WARN_ON(&dev_priv->drm, + pipe < PIPE_A || pipe >= I915_MAX_PIPES)) return -EINVAL; - if (vgpu_vreg_t(vgpu, PIPECONF(pipe)) & PIPECONF_ENABLE) + if (vgpu_vreg_t(vgpu, TRANSCONF(display, pipe)) & TRANSCONF_ENABLE) return 1; if (edp_pipe_is_enabled(vgpu) && @@ -83,7 +100,7 @@ int pipe_is_enabled(struct intel_vgpu *vgpu, int pipe) return 0; } -static unsigned char virtual_dp_monitor_edid[GVT_EDID_NUM][EDID_SIZE] = { +static const unsigned char virtual_dp_monitor_edid[GVT_EDID_NUM][EDID_SIZE] = { { /* EDID with 1024x768 as its resolution */ /*Header*/ @@ -163,32 +180,192 @@ static unsigned char virtual_dp_monitor_edid[GVT_EDID_NUM][EDID_SIZE] = { /* let the virtual display supports DP1.2 */ static u8 dpcd_fix_data[DPCD_HEADER_SIZE] = { - 0x12, 0x014, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 + 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->dev_priv; + struct drm_i915_private *dev_priv = vgpu->gvt->gt->i915; + struct intel_display *display = dev_priv->display; int pipe; if (IS_BROXTON(dev_priv)) { - vgpu_vreg_t(vgpu, GEN8_DE_PORT_ISR) &= ~(BXT_DE_PORT_HP_DDIA | - BXT_DE_PORT_HP_DDIB | - BXT_DE_PORT_HP_DDIC); + 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(display, pipe) { + vgpu_vreg_t(vgpu, TRANSCONF(display, pipe)) &= + ~(TRANSCONF_ENABLE | TRANSCONF_STATE_ENABLE); + vgpu_vreg_t(vgpu, DSPCNTR(display, pipe)) &= ~DISP_ENABLE; + vgpu_vreg_t(vgpu, SPRCTL(pipe)) &= ~SPRITE_ENABLE; + vgpu_vreg_t(vgpu, CURCNTR(display, pipe)) &= ~MCURSOR_MODE_MASK; + vgpu_vreg_t(vgpu, CURCNTR(display, pipe)) |= MCURSOR_MODE_DISABLE; + } + + for (trans = TRANSCODER_A; trans <= TRANSCODER_EDP; trans++) { + vgpu_vreg_t(vgpu, TRANS_DDI_FUNC_CTL(display, 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(display, 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(display, TRANSCODER_A)) |= TRANSCONF_ENABLE; + vgpu_vreg_t(vgpu, TRANSCONF(display, 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(display, TRANSCODER_A)) = TU_SIZE(64); + vgpu_vreg_t(vgpu, PIPE_DATA_M1(display, TRANSCODER_A)) |= 0x5b425e; + vgpu_vreg_t(vgpu, PIPE_DATA_N1(display, TRANSCODER_A)) = 0x800000; + vgpu_vreg_t(vgpu, PIPE_LINK_M1(display, TRANSCODER_A)) = 0x3cd6e; + vgpu_vreg_t(vgpu, PIPE_LINK_N1(display, 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(display, 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) |= - BXT_DE_PORT_HP_DDIA; + 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(display, 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) |= - BXT_DE_PORT_HP_DDIB; + 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(display, 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) |= - BXT_DE_PORT_HP_DDIC; + GEN8_DE_PORT_HOTPLUG(HPD_PORT_C); } return; @@ -198,7 +375,10 @@ static void emulate_monitor_status_change(struct intel_vgpu *vgpu) SDE_PORTC_HOTPLUG_CPT | SDE_PORTD_HOTPLUG_CPT); - if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv)) { + 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) |= @@ -206,20 +386,47 @@ static void emulate_monitor_status_change(struct intel_vgpu *vgpu) SKL_FUSE_PG_DIST_STATUS(SKL_PG0) | SKL_FUSE_PG_DIST_STATUS(SKL_PG1) | SKL_FUSE_PG_DIST_STATUS(SKL_PG2); - vgpu_vreg_t(vgpu, LCPLL1_CTL) |= - LCPLL_PLL_ENABLE | - LCPLL_PLL_LOCK; - vgpu_vreg_t(vgpu, LCPLL2_CTL) |= LCPLL_PLL_ENABLE; - + /* + * 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(display, TRANSCODER_A)) = TU_SIZE(64); + vgpu_vreg_t(vgpu, PIPE_DATA_M1(display, TRANSCODER_A)) |= 0x5b425e; + vgpu_vreg_t(vgpu, PIPE_DATA_N1(display, TRANSCODER_A)) = 0x800000; + vgpu_vreg_t(vgpu, PIPE_LINK_M1(display, TRANSCODER_A)) = 0x3cd6e; + vgpu_vreg_t(vgpu, PIPE_LINK_N1(display, 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)) &= + vgpu_vreg_t(vgpu, TRANS_DDI_FUNC_CTL(display, 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_DVI | + vgpu_vreg_t(vgpu, TRANS_DDI_FUNC_CTL(display, 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)) { @@ -234,12 +441,18 @@ static void emulate_monitor_status_change(struct intel_vgpu *vgpu) } 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)) &= + vgpu_vreg_t(vgpu, TRANS_DDI_FUNC_CTL(display, 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_DVI | + vgpu_vreg_t(vgpu, TRANS_DDI_FUNC_CTL(display, 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)) { @@ -254,12 +467,18 @@ static void emulate_monitor_status_change(struct intel_vgpu *vgpu) } 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)) &= + vgpu_vreg_t(vgpu, TRANS_DDI_FUNC_CTL(display, 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_DVI | + vgpu_vreg_t(vgpu, TRANS_DDI_FUNC_CTL(display, 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)) { @@ -273,7 +492,10 @@ static void emulate_monitor_status_change(struct intel_vgpu *vgpu) vgpu_vreg_t(vgpu, SFUSE_STRAP) |= SFUSE_STRAP_DDID_DETECTED; } - if ((IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv)) && + 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; } @@ -281,7 +503,7 @@ static void emulate_monitor_status_change(struct intel_vgpu *vgpu) if (intel_vgpu_has_monitor_on_port(vgpu, PORT_A)) { if (IS_BROADWELL(dev_priv)) vgpu_vreg_t(vgpu, GEN8_DE_PORT_ISR) |= - GEN8_PORT_DP_A_HOTPLUG; + GEN8_DE_PORT_HOTPLUG(HPD_PORT_A); else vgpu_vreg_t(vgpu, SDEISR) |= SDE_PORTA_HOTPLUG_SPT; @@ -293,14 +515,14 @@ static void emulate_monitor_status_change(struct intel_vgpu *vgpu) 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)) &= ~DISPLAY_PLANE_ENABLE; + for_each_pipe(display, pipe) { + vgpu_vreg_t(vgpu, DSPCNTR(display, pipe)) &= ~DISP_ENABLE; vgpu_vreg_t(vgpu, SPRCTL(pipe)) &= ~SPRITE_ENABLE; - vgpu_vreg_t(vgpu, CURCNTR(pipe)) &= ~MCURSOR_MODE; - vgpu_vreg_t(vgpu, CURCNTR(pipe)) |= MCURSOR_MODE_DISABLE; + vgpu_vreg_t(vgpu, CURCNTR(display, pipe)) &= ~MCURSOR_MODE_MASK; + vgpu_vreg_t(vgpu, CURCNTR(display, pipe)) |= MCURSOR_MODE_DISABLE; } - vgpu_vreg_t(vgpu, PIPECONF(PIPE_A)) |= PIPECONF_ENABLE; + vgpu_vreg_t(vgpu, TRANSCONF(display, TRANSCODER_A)) |= TRANSCONF_ENABLE; } static void clean_virtual_dp_monitor(struct intel_vgpu *vgpu, int port_num) @@ -314,12 +536,29 @@ static void clean_virtual_dp_monitor(struct intel_vgpu *vgpu, int port_num) 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 (WARN_ON(resolution >= GVT_EDID_NUM)) + if (drm_WARN_ON(&i915->drm, resolution >= GVT_EDID_NUM)) return -EINVAL; port->edid = kzalloc(sizeof(*(port->edid)), GFP_KERNEL); @@ -338,8 +577,16 @@ static int setup_virtual_dp_monitor(struct intel_vgpu *vgpu, int port_num, memcpy(port->dpcd->data, dpcd_fix_data, DPCD_HEADER_SIZE); port->dpcd->data_valid = true; - port->dpcd->data[DPCD_SINK_COUNT] = 0x1; + port->dpcd->data[DP_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_setup(&vblank_timer->timer, vblank_timer_fn, CLOCK_MONOTONIC, HRTIMER_MODE_ABS); + 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); @@ -347,46 +594,50 @@ static int setup_virtual_dp_monitor(struct intel_vgpu *vgpu, int port_num, } /** - * intel_gvt_check_vblank_emulation - check if vblank emulation timer should - * be turned on/off when a virtual pipe is enabled/disabled. - * @gvt: a GVT device + * 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 vblank timer according to currently - * enabled/disabled virtual pipes. + * 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 intel_gvt_check_vblank_emulation(struct intel_gvt *gvt) +void vgpu_update_vblank_emulation(struct intel_vgpu *vgpu, bool turnon) { - struct intel_gvt_irq *irq = &gvt->irq; - struct intel_vgpu *vgpu; - int pipe, id; - int found = false; - - mutex_lock(&gvt->lock); - for_each_active_vgpu(gvt, vgpu, id) { - for (pipe = 0; pipe < I915_MAX_PIPES; pipe++) { - if (pipe_is_enabled(vgpu, pipe)) { - found = true; - break; - } + 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); } - if (found) - break; + } else { + /* Caller request to stop vblank */ + hrtimer_cancel(&vblank_timer->timer); } - - /* all the pipes are disabled */ - if (!found) - hrtimer_cancel(&irq->vblank_timer.timer); - else - hrtimer_start(&irq->vblank_timer.timer, - ktime_add_ns(ktime_get(), irq->vblank_timer.period), - HRTIMER_MODE_ABS); - mutex_unlock(&gvt->lock); } static void emulate_vblank_on_pipe(struct intel_vgpu *vgpu, int pipe) { - struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv; + struct drm_i915_private *dev_priv = vgpu->gvt->gt->i915; + struct intel_display *display = dev_priv->display; struct intel_vgpu_irq *irq = &vgpu->irq; int vblank_event[] = { [PIPE_A] = PIPE_A_VBLANK, @@ -404,42 +655,115 @@ static void emulate_vblank_on_pipe(struct intel_vgpu *vgpu, int pipe) if (!pipe_is_enabled(vgpu, pipe)) continue; - vgpu_vreg_t(vgpu, PIPE_FLIPCOUNT_G4X(pipe))++; intel_vgpu_trigger_virtual_event(vgpu, event); } if (pipe_is_enabled(vgpu, pipe)) { - vgpu_vreg_t(vgpu, PIPE_FRMCOUNT_G4X(pipe))++; + vgpu_vreg_t(vgpu, PIPE_FRMCOUNT_G4X(display, pipe))++; intel_vgpu_trigger_virtual_event(vgpu, vblank_event[pipe]); } } -static void emulate_vblank(struct intel_vgpu *vgpu) +void intel_vgpu_emulate_vblank(struct intel_vgpu *vgpu) { + struct drm_i915_private *i915 = vgpu->gvt->gt->i915; + struct intel_display *display = i915->display; int pipe; mutex_lock(&vgpu->vgpu_lock); - for_each_pipe(vgpu->gvt->dev_priv, pipe) + for_each_pipe(display, pipe) emulate_vblank_on_pipe(vgpu, pipe); mutex_unlock(&vgpu->vgpu_lock); } /** - * intel_gvt_emulate_vblank - trigger vblank events for vGPUs on GVT device - * @gvt: a GVT device + * intel_vgpu_emulate_hotplug - trigger hotplug event for vGPU + * @vgpu: a vGPU + * @connected: link state * - * This function is used to trigger vblank interrupts for vGPUs on GVT device + * This function is used to trigger hotplug interrupt for vGPU * */ -void intel_gvt_emulate_vblank(struct intel_gvt *gvt) +void intel_vgpu_emulate_hotplug(struct intel_vgpu *vgpu, bool connected) { - struct intel_vgpu *vgpu; - int id; - - mutex_lock(&gvt->lock); - for_each_active_vgpu(gvt, vgpu, id) - emulate_vblank(vgpu); - mutex_unlock(&gvt->lock); + 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); + } + } } /** @@ -451,12 +775,17 @@ void intel_gvt_emulate_vblank(struct intel_gvt *gvt) */ void intel_vgpu_clean_display(struct intel_vgpu *vgpu) { - struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv; + struct drm_i915_private *dev_priv = vgpu->gvt->gt->i915; - if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv)) + 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); } /** @@ -472,11 +801,14 @@ void intel_vgpu_clean_display(struct intel_vgpu *vgpu) */ int intel_vgpu_init_display(struct intel_vgpu *vgpu, u64 resolution) { - struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv; + 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)) + 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 |