Similarly to the GEN9_LP DPIO PHY code keep the CNL+ combo PHY code in a separate file.
No functional change. v2: - Use SPDX license tag instead of boilerplate. (Rodrigo) Suggested-by: Ville Syrjälä <[email protected]> Cc: Paulo Zanoni <[email protected]> Cc: Ville Syrjälä <[email protected]> Cc: José Roberto de Souza <[email protected]> Cc: Rodrigo Vivi <[email protected]> Signed-off-by: Imre Deak <[email protected]> Reviewed-by: Rodrigo Vivi <[email protected]> --- drivers/gpu/drm/i915/Makefile | 1 + drivers/gpu/drm/i915/i915_drv.h | 6 ++ drivers/gpu/drm/i915/intel_combo_phy.c | 141 ++++++++++++++++++++++++++++++++ drivers/gpu/drm/i915/intel_runtime_pm.c | 127 ++-------------------------- 4 files changed, 156 insertions(+), 119 deletions(-) create mode 100644 drivers/gpu/drm/i915/intel_combo_phy.c diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile index 6fbda5977658..0ff878c994e2 100644 --- a/drivers/gpu/drm/i915/Makefile +++ b/drivers/gpu/drm/i915/Makefile @@ -113,6 +113,7 @@ i915-y += intel_audio.o \ intel_bios.o \ intel_cdclk.o \ intel_color.o \ + intel_combo_phy.o \ intel_connector.o \ intel_display.o \ intel_dpio_phy.o \ diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 2a88a7eb871b..ef47cae13573 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -3571,6 +3571,12 @@ void vlv_phy_pre_encoder_enable(struct intel_encoder *encoder, void vlv_phy_reset_lanes(struct intel_encoder *encoder, const struct intel_crtc_state *old_crtc_state); +/* intel_combo_phy.c */ +void icl_combo_phys_init(struct drm_i915_private *dev_priv); +void icl_combo_phys_uninit(struct drm_i915_private *dev_priv); +void cnl_combo_phys_init(struct drm_i915_private *dev_priv); +void cnl_combo_phys_uninit(struct drm_i915_private *dev_priv); + int intel_gpu_freq(struct drm_i915_private *dev_priv, int val); int intel_freq_opcode(struct drm_i915_private *dev_priv, int val); u64 intel_rc6_residency_ns(struct drm_i915_private *dev_priv, diff --git a/drivers/gpu/drm/i915/intel_combo_phy.c b/drivers/gpu/drm/i915/intel_combo_phy.c new file mode 100644 index 000000000000..8dd0a3c68f01 --- /dev/null +++ b/drivers/gpu/drm/i915/intel_combo_phy.c @@ -0,0 +1,141 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright © 2018 Intel Corporation + */ + +#include "intel_drv.h" + +enum { + PROCMON_0_85V_DOT_0, + PROCMON_0_95V_DOT_0, + PROCMON_0_95V_DOT_1, + PROCMON_1_05V_DOT_0, + PROCMON_1_05V_DOT_1, +}; + +static const struct cnl_procmon { + u32 dw1, dw9, dw10; +} cnl_procmon_values[] = { + [PROCMON_0_85V_DOT_0] = + { .dw1 = 0x00000000, .dw9 = 0x62AB67BB, .dw10 = 0x51914F96, }, + [PROCMON_0_95V_DOT_0] = + { .dw1 = 0x00000000, .dw9 = 0x86E172C7, .dw10 = 0x77CA5EAB, }, + [PROCMON_0_95V_DOT_1] = + { .dw1 = 0x00000000, .dw9 = 0x93F87FE1, .dw10 = 0x8AE871C5, }, + [PROCMON_1_05V_DOT_0] = + { .dw1 = 0x00000000, .dw9 = 0x98FA82DD, .dw10 = 0x89E46DC1, }, + [PROCMON_1_05V_DOT_1] = + { .dw1 = 0x00440000, .dw9 = 0x9A00AB25, .dw10 = 0x8AE38FF1, }, +}; + +/* + * CNL has just one set of registers, while ICL has two sets: one for port A and + * the other for port B. The CNL registers are equivalent to the ICL port A + * registers, that's why we call the ICL macros even though the function has CNL + * on its name. + */ +static void cnl_set_procmon_ref_values(struct drm_i915_private *dev_priv, + enum port port) +{ + const struct cnl_procmon *procmon; + u32 val; + + val = I915_READ(ICL_PORT_COMP_DW3(port)); + switch (val & (PROCESS_INFO_MASK | VOLTAGE_INFO_MASK)) { + default: + MISSING_CASE(val); + /* fall through */ + case VOLTAGE_INFO_0_85V | PROCESS_INFO_DOT_0: + procmon = &cnl_procmon_values[PROCMON_0_85V_DOT_0]; + break; + case VOLTAGE_INFO_0_95V | PROCESS_INFO_DOT_0: + procmon = &cnl_procmon_values[PROCMON_0_95V_DOT_0]; + break; + case VOLTAGE_INFO_0_95V | PROCESS_INFO_DOT_1: + procmon = &cnl_procmon_values[PROCMON_0_95V_DOT_1]; + break; + case VOLTAGE_INFO_1_05V | PROCESS_INFO_DOT_0: + procmon = &cnl_procmon_values[PROCMON_1_05V_DOT_0]; + break; + case VOLTAGE_INFO_1_05V | PROCESS_INFO_DOT_1: + procmon = &cnl_procmon_values[PROCMON_1_05V_DOT_1]; + break; + } + + val = I915_READ(ICL_PORT_COMP_DW1(port)); + val &= ~((0xff << 16) | 0xff); + val |= procmon->dw1; + I915_WRITE(ICL_PORT_COMP_DW1(port), val); + + I915_WRITE(ICL_PORT_COMP_DW9(port), procmon->dw9); + I915_WRITE(ICL_PORT_COMP_DW10(port), procmon->dw10); +} + +void cnl_combo_phys_init(struct drm_i915_private *dev_priv) +{ + u32 val; + + val = I915_READ(CHICKEN_MISC_2); + val &= ~CNL_COMP_PWR_DOWN; + I915_WRITE(CHICKEN_MISC_2, val); + + /* Dummy PORT_A to get the correct CNL register from the ICL macro */ + cnl_set_procmon_ref_values(dev_priv, PORT_A); + + val = I915_READ(CNL_PORT_COMP_DW0); + val |= COMP_INIT; + I915_WRITE(CNL_PORT_COMP_DW0, val); + + val = I915_READ(CNL_PORT_CL1CM_DW5); + val |= CL_POWER_DOWN_ENABLE; + I915_WRITE(CNL_PORT_CL1CM_DW5, val); +} + +void cnl_combo_phys_uninit(struct drm_i915_private *dev_priv) +{ + u32 val; + + val = I915_READ(CHICKEN_MISC_2); + val |= CNL_COMP_PWR_DOWN; + I915_WRITE(CHICKEN_MISC_2, val); +} + +void icl_combo_phys_init(struct drm_i915_private *dev_priv) +{ + enum port port; + + for (port = PORT_A; port <= PORT_B; port++) { + u32 val; + + val = I915_READ(ICL_PHY_MISC(port)); + val &= ~ICL_PHY_MISC_DE_IO_COMP_PWR_DOWN; + I915_WRITE(ICL_PHY_MISC(port), val); + + cnl_set_procmon_ref_values(dev_priv, port); + + val = I915_READ(ICL_PORT_COMP_DW0(port)); + val |= COMP_INIT; + I915_WRITE(ICL_PORT_COMP_DW0(port), val); + + val = I915_READ(ICL_PORT_CL_DW5(port)); + val |= CL_POWER_DOWN_ENABLE; + I915_WRITE(ICL_PORT_CL_DW5(port), val); + } +} + +void icl_combo_phys_uninit(struct drm_i915_private *dev_priv) +{ + enum port port; + + for (port = PORT_A; port <= PORT_B; port++) { + u32 val; + + val = I915_READ(ICL_PHY_MISC(port)); + val |= ICL_PHY_MISC_DE_IO_COMP_PWR_DOWN; + I915_WRITE(ICL_PHY_MISC(port), val); + + val = I915_READ(ICL_PORT_COMP_DW0(port)); + val &= ~COMP_INIT; + I915_WRITE(ICL_PORT_COMP_DW0(port), val); + } +} diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c index a7eea8423580..f8da471e81aa 100644 --- a/drivers/gpu/drm/i915/intel_runtime_pm.c +++ b/drivers/gpu/drm/i915/intel_runtime_pm.c @@ -3436,99 +3436,18 @@ void bxt_display_core_uninit(struct drm_i915_private *dev_priv) usleep_range(10, 30); /* 10 us delay per Bspec */ } -enum { - PROCMON_0_85V_DOT_0, - PROCMON_0_95V_DOT_0, - PROCMON_0_95V_DOT_1, - PROCMON_1_05V_DOT_0, - PROCMON_1_05V_DOT_1, -}; - -static const struct cnl_procmon { - u32 dw1, dw9, dw10; -} cnl_procmon_values[] = { - [PROCMON_0_85V_DOT_0] = - { .dw1 = 0x00000000, .dw9 = 0x62AB67BB, .dw10 = 0x51914F96, }, - [PROCMON_0_95V_DOT_0] = - { .dw1 = 0x00000000, .dw9 = 0x86E172C7, .dw10 = 0x77CA5EAB, }, - [PROCMON_0_95V_DOT_1] = - { .dw1 = 0x00000000, .dw9 = 0x93F87FE1, .dw10 = 0x8AE871C5, }, - [PROCMON_1_05V_DOT_0] = - { .dw1 = 0x00000000, .dw9 = 0x98FA82DD, .dw10 = 0x89E46DC1, }, - [PROCMON_1_05V_DOT_1] = - { .dw1 = 0x00440000, .dw9 = 0x9A00AB25, .dw10 = 0x8AE38FF1, }, -}; - -/* - * CNL has just one set of registers, while ICL has two sets: one for port A and - * the other for port B. The CNL registers are equivalent to the ICL port A - * registers, that's why we call the ICL macros even though the function has CNL - * on its name. - */ -static void cnl_set_procmon_ref_values(struct drm_i915_private *dev_priv, - enum port port) -{ - const struct cnl_procmon *procmon; - u32 val; - - val = I915_READ(ICL_PORT_COMP_DW3(port)); - switch (val & (PROCESS_INFO_MASK | VOLTAGE_INFO_MASK)) { - default: - MISSING_CASE(val); - /* fall through */ - case VOLTAGE_INFO_0_85V | PROCESS_INFO_DOT_0: - procmon = &cnl_procmon_values[PROCMON_0_85V_DOT_0]; - break; - case VOLTAGE_INFO_0_95V | PROCESS_INFO_DOT_0: - procmon = &cnl_procmon_values[PROCMON_0_95V_DOT_0]; - break; - case VOLTAGE_INFO_0_95V | PROCESS_INFO_DOT_1: - procmon = &cnl_procmon_values[PROCMON_0_95V_DOT_1]; - break; - case VOLTAGE_INFO_1_05V | PROCESS_INFO_DOT_0: - procmon = &cnl_procmon_values[PROCMON_1_05V_DOT_0]; - break; - case VOLTAGE_INFO_1_05V | PROCESS_INFO_DOT_1: - procmon = &cnl_procmon_values[PROCMON_1_05V_DOT_1]; - break; - } - - val = I915_READ(ICL_PORT_COMP_DW1(port)); - val &= ~((0xff << 16) | 0xff); - val |= procmon->dw1; - I915_WRITE(ICL_PORT_COMP_DW1(port), val); - - I915_WRITE(ICL_PORT_COMP_DW9(port), procmon->dw9); - I915_WRITE(ICL_PORT_COMP_DW10(port), procmon->dw10); -} - static void cnl_display_core_init(struct drm_i915_private *dev_priv, bool resume) { struct i915_power_domains *power_domains = &dev_priv->power_domains; struct i915_power_well *well; - u32 val; gen9_set_dc_state(dev_priv, DC_STATE_DISABLE); /* 1. Enable PCH Reset Handshake */ intel_pch_reset_handshake(dev_priv, !HAS_PCH_NOP(dev_priv)); - /* 2. Enable Comp */ - val = I915_READ(CHICKEN_MISC_2); - val &= ~CNL_COMP_PWR_DOWN; - I915_WRITE(CHICKEN_MISC_2, val); - - /* Dummy PORT_A to get the correct CNL register from the ICL macro */ - cnl_set_procmon_ref_values(dev_priv, PORT_A); - - val = I915_READ(CNL_PORT_COMP_DW0); - val |= COMP_INIT; - I915_WRITE(CNL_PORT_COMP_DW0, val); - - /* 3. */ - val = I915_READ(CNL_PORT_CL1CM_DW5); - val |= CL_POWER_DOWN_ENABLE; - I915_WRITE(CNL_PORT_CL1CM_DW5, val); + /* 2-3. */ + cnl_combo_phys_init(dev_priv); /* * 4. Enable Power Well 1 (PG1). @@ -3553,7 +3472,6 @@ static void cnl_display_core_uninit(struct drm_i915_private *dev_priv) { struct i915_power_domains *power_domains = &dev_priv->power_domains; struct i915_power_well *well; - u32 val; gen9_set_dc_state(dev_priv, DC_STATE_DISABLE); @@ -3577,10 +3495,8 @@ static void cnl_display_core_uninit(struct drm_i915_private *dev_priv) usleep_range(10, 30); /* 10 us delay per Bspec */ - /* 5. Disable Comp */ - val = I915_READ(CHICKEN_MISC_2); - val |= CNL_COMP_PWR_DOWN; - I915_WRITE(CHICKEN_MISC_2, val); + /* 5. */ + cnl_combo_phys_uninit(dev_priv); } void icl_display_core_init(struct drm_i915_private *dev_priv, @@ -3588,31 +3504,14 @@ void icl_display_core_init(struct drm_i915_private *dev_priv, { struct i915_power_domains *power_domains = &dev_priv->power_domains; struct i915_power_well *well; - enum port port; - u32 val; gen9_set_dc_state(dev_priv, DC_STATE_DISABLE); /* 1. Enable PCH reset handshake. */ intel_pch_reset_handshake(dev_priv, !HAS_PCH_NOP(dev_priv)); - for (port = PORT_A; port <= PORT_B; port++) { - /* 2. Enable DDI combo PHY comp. */ - val = I915_READ(ICL_PHY_MISC(port)); - val &= ~ICL_PHY_MISC_DE_IO_COMP_PWR_DOWN; - I915_WRITE(ICL_PHY_MISC(port), val); - - cnl_set_procmon_ref_values(dev_priv, port); - - val = I915_READ(ICL_PORT_COMP_DW0(port)); - val |= COMP_INIT; - I915_WRITE(ICL_PORT_COMP_DW0(port), val); - - /* 3. Set power down enable. */ - val = I915_READ(ICL_PORT_CL_DW5(port)); - val |= CL_POWER_DOWN_ENABLE; - I915_WRITE(ICL_PORT_CL_DW5(port), val); - } + /* 2-3. */ + icl_combo_phys_init(dev_priv); /* * 4. Enable Power Well 1 (PG1). @@ -3640,8 +3539,6 @@ void icl_display_core_uninit(struct drm_i915_private *dev_priv) { struct i915_power_domains *power_domains = &dev_priv->power_domains; struct i915_power_well *well; - enum port port; - u32 val; gen9_set_dc_state(dev_priv, DC_STATE_DISABLE); @@ -3663,16 +3560,8 @@ void icl_display_core_uninit(struct drm_i915_private *dev_priv) intel_power_well_disable(dev_priv, well); mutex_unlock(&power_domains->lock); - /* 5. Disable Comp */ - for (port = PORT_A; port <= PORT_B; port++) { - val = I915_READ(ICL_PHY_MISC(port)); - val |= ICL_PHY_MISC_DE_IO_COMP_PWR_DOWN; - I915_WRITE(ICL_PHY_MISC(port), val); - - val = I915_READ(ICL_PORT_COMP_DW0(port)); - val &= ~COMP_INIT; - I915_WRITE(ICL_PORT_COMP_DW0(port), val); - } + /* 5. */ + icl_combo_phys_uninit(dev_priv); } static void chv_phy_control_init(struct drm_i915_private *dev_priv) -- 2.13.2 _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
