diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_cdclk.c')
-rw-r--r-- | drivers/gpu/drm/i915/intel_cdclk.c | 382 |
1 files changed, 225 insertions, 157 deletions
diff --git a/drivers/gpu/drm/i915/intel_cdclk.c b/drivers/gpu/drm/i915/intel_cdclk.c index 15ba950dee00..ae40a8679314 100644 --- a/drivers/gpu/drm/i915/intel_cdclk.c +++ b/drivers/gpu/drm/i915/intel_cdclk.c @@ -21,6 +21,7 @@ * DEALINGS IN THE SOFTWARE. */ +#include "intel_cdclk.h" #include "intel_drv.h" /** @@ -234,7 +235,8 @@ static unsigned int intel_hpll_vco(struct drm_i915_private *dev_priv) else return 0; - tmp = I915_READ(IS_MOBILE(dev_priv) ? HPLLVCO_MOBILE : HPLLVCO); + tmp = I915_READ(IS_PINEVIEW(dev_priv) || IS_MOBILE(dev_priv) ? + HPLLVCO_MOBILE : HPLLVCO); vco = vco_table[tmp & 0x7]; if (vco == 0) @@ -468,7 +470,7 @@ static void vlv_get_cdclk(struct drm_i915_private *dev_priv, cdclk_state->vco); mutex_lock(&dev_priv->pcu_lock); - val = vlv_punit_read(dev_priv, PUNIT_REG_DSPFREQ); + val = vlv_punit_read(dev_priv, PUNIT_REG_DSPSSPM); mutex_unlock(&dev_priv->pcu_lock); if (IS_VALLEYVIEW(dev_priv)) @@ -516,7 +518,8 @@ static void vlv_program_pfi_credits(struct drm_i915_private *dev_priv) } static void vlv_set_cdclk(struct drm_i915_private *dev_priv, - const struct intel_cdclk_state *cdclk_state) + const struct intel_cdclk_state *cdclk_state, + enum pipe pipe) { int cdclk = cdclk_state->cdclk; u32 val, cmd = cdclk_state->voltage_level; @@ -543,11 +546,11 @@ static void vlv_set_cdclk(struct drm_i915_private *dev_priv, wakeref = intel_display_power_get(dev_priv, POWER_DOMAIN_PIPE_A); mutex_lock(&dev_priv->pcu_lock); - val = vlv_punit_read(dev_priv, PUNIT_REG_DSPFREQ); + val = vlv_punit_read(dev_priv, PUNIT_REG_DSPSSPM); val &= ~DSPFREQGUAR_MASK; val |= (cmd << DSPFREQGUAR_SHIFT); - vlv_punit_write(dev_priv, PUNIT_REG_DSPFREQ, val); - if (wait_for((vlv_punit_read(dev_priv, PUNIT_REG_DSPFREQ) & + vlv_punit_write(dev_priv, PUNIT_REG_DSPSSPM, val); + if (wait_for((vlv_punit_read(dev_priv, PUNIT_REG_DSPSSPM) & DSPFREQSTAT_MASK) == (cmd << DSPFREQSTAT_SHIFT), 50)) { DRM_ERROR("timed out waiting for CDclk change\n"); @@ -598,7 +601,8 @@ static void vlv_set_cdclk(struct drm_i915_private *dev_priv, } static void chv_set_cdclk(struct drm_i915_private *dev_priv, - const struct intel_cdclk_state *cdclk_state) + const struct intel_cdclk_state *cdclk_state, + enum pipe pipe) { int cdclk = cdclk_state->cdclk; u32 val, cmd = cdclk_state->voltage_level; @@ -624,11 +628,11 @@ static void chv_set_cdclk(struct drm_i915_private *dev_priv, wakeref = intel_display_power_get(dev_priv, POWER_DOMAIN_PIPE_A); mutex_lock(&dev_priv->pcu_lock); - val = vlv_punit_read(dev_priv, PUNIT_REG_DSPFREQ); + val = vlv_punit_read(dev_priv, PUNIT_REG_DSPSSPM); val &= ~DSPFREQGUAR_MASK_CHV; val |= (cmd << DSPFREQGUAR_SHIFT_CHV); - vlv_punit_write(dev_priv, PUNIT_REG_DSPFREQ, val); - if (wait_for((vlv_punit_read(dev_priv, PUNIT_REG_DSPFREQ) & + vlv_punit_write(dev_priv, PUNIT_REG_DSPSSPM, val); + if (wait_for((vlv_punit_read(dev_priv, PUNIT_REG_DSPSSPM) & DSPFREQSTAT_MASK_CHV) == (cmd << DSPFREQSTAT_SHIFT_CHV), 50)) { DRM_ERROR("timed out waiting for CDclk change\n"); @@ -697,7 +701,8 @@ static void bdw_get_cdclk(struct drm_i915_private *dev_priv, } static void bdw_set_cdclk(struct drm_i915_private *dev_priv, - const struct intel_cdclk_state *cdclk_state) + const struct intel_cdclk_state *cdclk_state, + enum pipe pipe) { int cdclk = cdclk_state->cdclk; u32 val; @@ -964,7 +969,7 @@ static void skl_dpll0_enable(struct drm_i915_private *dev_priv, int vco) I915_WRITE(LCPLL1_CTL, I915_READ(LCPLL1_CTL) | LCPLL_PLL_ENABLE); - if (intel_wait_for_register(dev_priv, + if (intel_wait_for_register(&dev_priv->uncore, LCPLL1_CTL, LCPLL_PLL_LOCK, LCPLL_PLL_LOCK, 5)) DRM_ERROR("DPLL0 not locked\n"); @@ -978,16 +983,17 @@ static void skl_dpll0_enable(struct drm_i915_private *dev_priv, int vco) static void skl_dpll0_disable(struct drm_i915_private *dev_priv) { I915_WRITE(LCPLL1_CTL, I915_READ(LCPLL1_CTL) & ~LCPLL_PLL_ENABLE); - if (intel_wait_for_register(dev_priv, - LCPLL1_CTL, LCPLL_PLL_LOCK, 0, - 1)) + if (intel_wait_for_register(&dev_priv->uncore, + LCPLL1_CTL, LCPLL_PLL_LOCK, 0, + 1)) DRM_ERROR("Couldn't disable DPLL0\n"); dev_priv->cdclk.hw.vco = 0; } static void skl_set_cdclk(struct drm_i915_private *dev_priv, - const struct intel_cdclk_state *cdclk_state) + const struct intel_cdclk_state *cdclk_state, + enum pipe pipe) { int cdclk = cdclk_state->cdclk; int vco = cdclk_state->vco; @@ -1123,16 +1129,7 @@ sanitize: dev_priv->cdclk.hw.vco = -1; } -/** - * skl_init_cdclk - Initialize CDCLK on SKL - * @dev_priv: i915 device - * - * Initialize CDCLK for SKL and derivatives. This is generally - * done only during the display core initialization sequence, - * after which the DMC will take care of turning CDCLK off/on - * as needed. - */ -void skl_init_cdclk(struct drm_i915_private *dev_priv) +static void skl_init_cdclk(struct drm_i915_private *dev_priv) { struct intel_cdclk_state cdclk_state; @@ -1158,17 +1155,10 @@ void skl_init_cdclk(struct drm_i915_private *dev_priv) cdclk_state.cdclk = skl_calc_cdclk(0, cdclk_state.vco); cdclk_state.voltage_level = skl_calc_voltage_level(cdclk_state.cdclk); - skl_set_cdclk(dev_priv, &cdclk_state); + skl_set_cdclk(dev_priv, &cdclk_state, INVALID_PIPE); } -/** - * skl_uninit_cdclk - Uninitialize CDCLK on SKL - * @dev_priv: i915 device - * - * Uninitialize CDCLK for SKL and derivatives. This is done only - * during the display core uninitialization sequence. - */ -void skl_uninit_cdclk(struct drm_i915_private *dev_priv) +static void skl_uninit_cdclk(struct drm_i915_private *dev_priv) { struct intel_cdclk_state cdclk_state = dev_priv->cdclk.hw; @@ -1176,7 +1166,7 @@ void skl_uninit_cdclk(struct drm_i915_private *dev_priv) cdclk_state.vco = 0; cdclk_state.voltage_level = skl_calc_voltage_level(cdclk_state.cdclk); - skl_set_cdclk(dev_priv, &cdclk_state); + skl_set_cdclk(dev_priv, &cdclk_state, INVALID_PIPE); } static int bxt_calc_cdclk(int min_cdclk) @@ -1323,7 +1313,7 @@ static void bxt_de_pll_disable(struct drm_i915_private *dev_priv) I915_WRITE(BXT_DE_PLL_ENABLE, 0); /* Timeout 200us */ - if (intel_wait_for_register(dev_priv, + if (intel_wait_for_register(&dev_priv->uncore, BXT_DE_PLL_ENABLE, BXT_DE_PLL_LOCK, 0, 1)) DRM_ERROR("timeout waiting for DE PLL unlock\n"); @@ -1344,7 +1334,7 @@ static void bxt_de_pll_enable(struct drm_i915_private *dev_priv, int vco) I915_WRITE(BXT_DE_PLL_ENABLE, BXT_DE_PLL_PLL_ENABLE); /* Timeout 200us */ - if (intel_wait_for_register(dev_priv, + if (intel_wait_for_register(&dev_priv->uncore, BXT_DE_PLL_ENABLE, BXT_DE_PLL_LOCK, BXT_DE_PLL_LOCK, @@ -1355,7 +1345,8 @@ static void bxt_de_pll_enable(struct drm_i915_private *dev_priv, int vco) } static void bxt_set_cdclk(struct drm_i915_private *dev_priv, - const struct intel_cdclk_state *cdclk_state) + const struct intel_cdclk_state *cdclk_state, + enum pipe pipe) { int cdclk = cdclk_state->cdclk; int vco = cdclk_state->vco; @@ -1408,11 +1399,10 @@ static void bxt_set_cdclk(struct drm_i915_private *dev_priv, bxt_de_pll_enable(dev_priv, vco); val = divider | skl_cdclk_decimal(cdclk); - /* - * FIXME if only the cd2x divider needs changing, it could be done - * without shutting off the pipe (if only one pipe is active). - */ - val |= BXT_CDCLK_CD2X_PIPE_NONE; + if (pipe == INVALID_PIPE) + val |= BXT_CDCLK_CD2X_PIPE_NONE; + else + val |= BXT_CDCLK_CD2X_PIPE(pipe); /* * Disable SSA Precharge when CD clock frequency < 500 MHz, * enable otherwise. @@ -1421,6 +1411,9 @@ static void bxt_set_cdclk(struct drm_i915_private *dev_priv, val |= BXT_CDCLK_SSA_PRECHARGE_ENABLE; I915_WRITE(CDCLK_CTL, val); + if (pipe != INVALID_PIPE) + intel_wait_for_vblank(dev_priv, pipe); + mutex_lock(&dev_priv->pcu_lock); /* * The timeout isn't specified, the 2ms used here is based on @@ -1490,16 +1483,7 @@ sanitize: dev_priv->cdclk.hw.vco = -1; } -/** - * bxt_init_cdclk - Initialize CDCLK on BXT - * @dev_priv: i915 device - * - * Initialize CDCLK for BXT and derivatives. This is generally - * done only during the display core initialization sequence, - * after which the DMC will take care of turning CDCLK off/on - * as needed. - */ -void bxt_init_cdclk(struct drm_i915_private *dev_priv) +static void bxt_init_cdclk(struct drm_i915_private *dev_priv) { struct intel_cdclk_state cdclk_state; @@ -1525,17 +1509,10 @@ void bxt_init_cdclk(struct drm_i915_private *dev_priv) } cdclk_state.voltage_level = bxt_calc_voltage_level(cdclk_state.cdclk); - bxt_set_cdclk(dev_priv, &cdclk_state); + bxt_set_cdclk(dev_priv, &cdclk_state, INVALID_PIPE); } -/** - * bxt_uninit_cdclk - Uninitialize CDCLK on BXT - * @dev_priv: i915 device - * - * Uninitialize CDCLK for BXT and derivatives. This is done only - * during the display core uninitialization sequence. - */ -void bxt_uninit_cdclk(struct drm_i915_private *dev_priv) +static void bxt_uninit_cdclk(struct drm_i915_private *dev_priv) { struct intel_cdclk_state cdclk_state = dev_priv->cdclk.hw; @@ -1543,7 +1520,7 @@ void bxt_uninit_cdclk(struct drm_i915_private *dev_priv) cdclk_state.vco = 0; cdclk_state.voltage_level = bxt_calc_voltage_level(cdclk_state.cdclk); - bxt_set_cdclk(dev_priv, &cdclk_state); + bxt_set_cdclk(dev_priv, &cdclk_state, INVALID_PIPE); } static int cnl_calc_cdclk(int min_cdclk) @@ -1663,7 +1640,8 @@ static void cnl_cdclk_pll_enable(struct drm_i915_private *dev_priv, int vco) } static void cnl_set_cdclk(struct drm_i915_private *dev_priv, - const struct intel_cdclk_state *cdclk_state) + const struct intel_cdclk_state *cdclk_state, + enum pipe pipe) { int cdclk = cdclk_state->cdclk; int vco = cdclk_state->vco; @@ -1704,13 +1682,15 @@ static void cnl_set_cdclk(struct drm_i915_private *dev_priv, cnl_cdclk_pll_enable(dev_priv, vco); val = divider | skl_cdclk_decimal(cdclk); - /* - * FIXME if only the cd2x divider needs changing, it could be done - * without shutting off the pipe (if only one pipe is active). - */ - val |= BXT_CDCLK_CD2X_PIPE_NONE; + if (pipe == INVALID_PIPE) + val |= BXT_CDCLK_CD2X_PIPE_NONE; + else + val |= BXT_CDCLK_CD2X_PIPE(pipe); I915_WRITE(CDCLK_CTL, val); + if (pipe != INVALID_PIPE) + intel_wait_for_vblank(dev_priv, pipe); + /* inform PCU of the change */ mutex_lock(&dev_priv->pcu_lock); sandybridge_pcode_write(dev_priv, SKL_PCODE_CDCLK_CONTROL, @@ -1847,7 +1827,8 @@ static int icl_calc_cdclk_pll_vco(struct drm_i915_private *dev_priv, int cdclk) } static void icl_set_cdclk(struct drm_i915_private *dev_priv, - const struct intel_cdclk_state *cdclk_state) + const struct intel_cdclk_state *cdclk_state, + enum pipe pipe) { unsigned int cdclk = cdclk_state->cdclk; unsigned int vco = cdclk_state->vco; @@ -1872,6 +1853,11 @@ static void icl_set_cdclk(struct drm_i915_private *dev_priv, if (dev_priv->cdclk.hw.vco != vco) cnl_cdclk_pll_enable(dev_priv, vco); + /* + * On ICL CD2X_DIV can only be 1, so we'll never end up changing the + * divider here synchronized to a pipe while CDCLK is on, nor will we + * need the corresponding vblank wait. + */ I915_WRITE(CDCLK_CTL, ICL_CDCLK_CD2X_PIPE_NONE | skl_cdclk_decimal(cdclk)); @@ -1959,16 +1945,7 @@ out: icl_calc_voltage_level(cdclk_state->cdclk); } -/** - * icl_init_cdclk - Initialize CDCLK on ICL - * @dev_priv: i915 device - * - * Initialize CDCLK for ICL. This consists mainly of initializing - * dev_priv->cdclk.hw and sanitizing the state of the hardware if needed. This - * is generally done only during the display core initialization sequence, after - * which the DMC will take care of turning CDCLK off/on as needed. - */ -void icl_init_cdclk(struct drm_i915_private *dev_priv) +static void icl_init_cdclk(struct drm_i915_private *dev_priv) { struct intel_cdclk_state sanitized_state; u32 val; @@ -2002,17 +1979,10 @@ sanitize: sanitized_state.voltage_level = icl_calc_voltage_level(sanitized_state.cdclk); - icl_set_cdclk(dev_priv, &sanitized_state); + icl_set_cdclk(dev_priv, &sanitized_state, INVALID_PIPE); } -/** - * icl_uninit_cdclk - Uninitialize CDCLK on ICL - * @dev_priv: i915 device - * - * Uninitialize CDCLK for ICL. This is done only during the display core - * uninitialization sequence. - */ -void icl_uninit_cdclk(struct drm_i915_private *dev_priv) +static void icl_uninit_cdclk(struct drm_i915_private *dev_priv) { struct intel_cdclk_state cdclk_state = dev_priv->cdclk.hw; @@ -2020,19 +1990,10 @@ void icl_uninit_cdclk(struct drm_i915_private *dev_priv) cdclk_state.vco = 0; cdclk_state.voltage_level = icl_calc_voltage_level(cdclk_state.cdclk); - icl_set_cdclk(dev_priv, &cdclk_state); + icl_set_cdclk(dev_priv, &cdclk_state, INVALID_PIPE); } -/** - * cnl_init_cdclk - Initialize CDCLK on CNL - * @dev_priv: i915 device - * - * Initialize CDCLK for CNL. This is generally - * done only during the display core initialization sequence, - * after which the DMC will take care of turning CDCLK off/on - * as needed. - */ -void cnl_init_cdclk(struct drm_i915_private *dev_priv) +static void cnl_init_cdclk(struct drm_i915_private *dev_priv) { struct intel_cdclk_state cdclk_state; @@ -2048,17 +2009,10 @@ void cnl_init_cdclk(struct drm_i915_private *dev_priv) cdclk_state.vco = cnl_cdclk_pll_vco(dev_priv, cdclk_state.cdclk); cdclk_state.voltage_level = cnl_calc_voltage_level(cdclk_state.cdclk); - cnl_set_cdclk(dev_priv, &cdclk_state); + cnl_set_cdclk(dev_priv, &cdclk_state, INVALID_PIPE); } -/** - * cnl_uninit_cdclk - Uninitialize CDCLK on CNL - * @dev_priv: i915 device - * - * Uninitialize CDCLK for CNL. This is done only - * during the display core uninitialization sequence. - */ -void cnl_uninit_cdclk(struct drm_i915_private *dev_priv) +static void cnl_uninit_cdclk(struct drm_i915_private *dev_priv) { struct intel_cdclk_state cdclk_state = dev_priv->cdclk.hw; @@ -2066,7 +2020,47 @@ void cnl_uninit_cdclk(struct drm_i915_private *dev_priv) cdclk_state.vco = 0; cdclk_state.voltage_level = cnl_calc_voltage_level(cdclk_state.cdclk); - cnl_set_cdclk(dev_priv, &cdclk_state); + cnl_set_cdclk(dev_priv, &cdclk_state, INVALID_PIPE); +} + +/** + * intel_cdclk_init - Initialize CDCLK + * @i915: i915 device + * + * Initialize CDCLK. This consists mainly of initializing dev_priv->cdclk.hw and + * sanitizing the state of the hardware if needed. This is generally done only + * during the display core initialization sequence, after which the DMC will + * take care of turning CDCLK off/on as needed. + */ +void intel_cdclk_init(struct drm_i915_private *i915) +{ + if (INTEL_GEN(i915) >= 11) + icl_init_cdclk(i915); + else if (IS_CANNONLAKE(i915)) + cnl_init_cdclk(i915); + else if (IS_GEN9_BC(i915)) + skl_init_cdclk(i915); + else if (IS_GEN9_LP(i915)) + bxt_init_cdclk(i915); +} + +/** + * intel_cdclk_uninit - Uninitialize CDCLK + * @i915: i915 device + * + * Uninitialize CDCLK. This is done only during the display core + * uninitialization sequence. + */ +void intel_cdclk_uninit(struct drm_i915_private *i915) +{ + if (INTEL_GEN(i915) >= 11) + icl_uninit_cdclk(i915); + else if (IS_CANNONLAKE(i915)) + cnl_uninit_cdclk(i915); + else if (IS_GEN9_BC(i915)) + skl_uninit_cdclk(i915); + else if (IS_GEN9_LP(i915)) + bxt_uninit_cdclk(i915); } /** @@ -2086,6 +2080,28 @@ bool intel_cdclk_needs_modeset(const struct intel_cdclk_state *a, } /** + * intel_cdclk_needs_cd2x_update - Determine if two CDCLK states require a cd2x divider update + * @dev_priv: Not a CDCLK state, it's the drm_i915_private! + * @a: first CDCLK state + * @b: second CDCLK state + * + * Returns: + * True if the CDCLK states require just a cd2x divider update, false if not. + */ +bool intel_cdclk_needs_cd2x_update(struct drm_i915_private *dev_priv, + const struct intel_cdclk_state *a, + const struct intel_cdclk_state *b) +{ + /* Older hw doesn't have the capability */ + if (INTEL_GEN(dev_priv) < 10 && !IS_GEN9_LP(dev_priv)) + return false; + + return a->cdclk != b->cdclk && + a->vco == b->vco && + a->ref == b->ref; +} + +/** * intel_cdclk_changed - Determine if two CDCLK states are different * @a: first CDCLK state * @b: second CDCLK state @@ -2100,6 +2116,26 @@ bool intel_cdclk_changed(const struct intel_cdclk_state *a, a->voltage_level != b->voltage_level; } +/** + * intel_cdclk_swap_state - make atomic CDCLK configuration effective + * @state: atomic state + * + * This is the CDCLK version of drm_atomic_helper_swap_state() since the + * helper does not handle driver-specific global state. + * + * Similarly to the atomic helpers this function does a complete swap, + * i.e. it also puts the old state into @state. This is used by the commit + * code to determine how CDCLK has changed (for instance did it increase or + * decrease). + */ +void intel_cdclk_swap_state(struct intel_atomic_state *state) +{ + struct drm_i915_private *dev_priv = to_i915(state->base.dev); + + swap(state->cdclk.logical, dev_priv->cdclk.logical); + swap(state->cdclk.actual, dev_priv->cdclk.actual); +} + void intel_dump_cdclk_state(const struct intel_cdclk_state *cdclk_state, const char *context) { @@ -2113,12 +2149,14 @@ void intel_dump_cdclk_state(const struct intel_cdclk_state *cdclk_state, * intel_set_cdclk - Push the CDCLK state to the hardware * @dev_priv: i915 device * @cdclk_state: new CDCLK state + * @pipe: pipe with which to synchronize the update * * Program the hardware based on the passed in CDCLK state, * if necessary. */ -void intel_set_cdclk(struct drm_i915_private *dev_priv, - const struct intel_cdclk_state *cdclk_state) +static void intel_set_cdclk(struct drm_i915_private *dev_priv, + const struct intel_cdclk_state *cdclk_state, + enum pipe pipe) { if (!intel_cdclk_changed(&dev_priv->cdclk.hw, cdclk_state)) return; @@ -2128,7 +2166,7 @@ void intel_set_cdclk(struct drm_i915_private *dev_priv, intel_dump_cdclk_state(cdclk_state, "Changing CDCLK to"); - dev_priv->display.set_cdclk(dev_priv, cdclk_state); + dev_priv->display.set_cdclk(dev_priv, cdclk_state, pipe); if (WARN(intel_cdclk_changed(&dev_priv->cdclk.hw, cdclk_state), "cdclk state doesn't match!\n")) { @@ -2137,6 +2175,46 @@ void intel_set_cdclk(struct drm_i915_private *dev_priv, } } +/** + * intel_set_cdclk_pre_plane_update - Push the CDCLK state to the hardware + * @dev_priv: i915 device + * @old_state: old CDCLK state + * @new_state: new CDCLK state + * @pipe: pipe with which to synchronize the update + * + * Program the hardware before updating the HW plane state based on the passed + * in CDCLK state, if necessary. + */ +void +intel_set_cdclk_pre_plane_update(struct drm_i915_private *dev_priv, + const struct intel_cdclk_state *old_state, + const struct intel_cdclk_state *new_state, + enum pipe pipe) +{ + if (pipe == INVALID_PIPE || old_state->cdclk <= new_state->cdclk) + intel_set_cdclk(dev_priv, new_state, pipe); +} + +/** + * intel_set_cdclk_post_plane_update - Push the CDCLK state to the hardware + * @dev_priv: i915 device + * @old_state: old CDCLK state + * @new_state: new CDCLK state + * @pipe: pipe with which to synchronize the update + * + * Program the hardware after updating the HW plane state based on the passed + * in CDCLK state, if necessary. + */ +void +intel_set_cdclk_post_plane_update(struct drm_i915_private *dev_priv, + const struct intel_cdclk_state *old_state, + const struct intel_cdclk_state *new_state, + enum pipe pipe) +{ + if (pipe != INVALID_PIPE && old_state->cdclk > new_state->cdclk) + intel_set_cdclk(dev_priv, new_state, pipe); +} + static int intel_pixel_rate_to_cdclk(struct drm_i915_private *dev_priv, int pixel_rate) { @@ -2187,19 +2265,8 @@ int intel_crtc_compute_min_cdclk(const struct intel_crtc_state *crtc_state) /* * According to BSpec, "The CD clock frequency must be at least twice * the frequency of the Azalia BCLK." and BCLK is 96 MHz by default. - * - * FIXME: Check the actual, not default, BCLK being used. - * - * FIXME: This does not depend on ->has_audio because the higher CDCLK - * is required for audio probe, also when there are no audio capable - * displays connected at probe time. This leads to unnecessarily high - * CDCLK when audio is not required. - * - * FIXME: This limit is only applied when there are displays connected - * at probe time. If we probe without displays, we'll still end up using - * the platform minimum CDCLK, failing audio probe. */ - if (INTEL_GEN(dev_priv) >= 9) + if (crtc_state->has_audio && INTEL_GEN(dev_priv) >= 9) min_cdclk = max(2 * 96000, min_cdclk); /* @@ -2239,7 +2306,7 @@ static int intel_compute_min_cdclk(struct drm_atomic_state *state) intel_state->min_cdclk[i] = min_cdclk; } - min_cdclk = 0; + min_cdclk = intel_state->cdclk.force_min_cdclk; for_each_pipe(dev_priv, pipe) min_cdclk = max(intel_state->min_cdclk[pipe], min_cdclk); @@ -2300,7 +2367,8 @@ static int vlv_modeset_calc_cdclk(struct drm_atomic_state *state) vlv_calc_voltage_level(dev_priv, cdclk); if (!intel_state->active_crtcs) { - cdclk = vlv_calc_cdclk(dev_priv, 0); + cdclk = vlv_calc_cdclk(dev_priv, + intel_state->cdclk.force_min_cdclk); intel_state->cdclk.actual.cdclk = cdclk; intel_state->cdclk.actual.voltage_level = @@ -2333,7 +2401,7 @@ static int bdw_modeset_calc_cdclk(struct drm_atomic_state *state) bdw_calc_voltage_level(cdclk); if (!intel_state->active_crtcs) { - cdclk = bdw_calc_cdclk(0); + cdclk = bdw_calc_cdclk(intel_state->cdclk.force_min_cdclk); intel_state->cdclk.actual.cdclk = cdclk; intel_state->cdclk.actual.voltage_level = @@ -2405,7 +2473,7 @@ static int skl_modeset_calc_cdclk(struct drm_atomic_state *state) skl_calc_voltage_level(cdclk); if (!intel_state->active_crtcs) { - cdclk = skl_calc_cdclk(0, vco); + cdclk = skl_calc_cdclk(intel_state->cdclk.force_min_cdclk, vco); intel_state->cdclk.actual.vco = vco; intel_state->cdclk.actual.cdclk = cdclk; @@ -2444,10 +2512,10 @@ static int bxt_modeset_calc_cdclk(struct drm_atomic_state *state) if (!intel_state->active_crtcs) { if (IS_GEMINILAKE(dev_priv)) { - cdclk = glk_calc_cdclk(0); + cdclk = glk_calc_cdclk(intel_state->cdclk.force_min_cdclk); vco = glk_de_pll_vco(dev_priv, cdclk); } else { - cdclk = bxt_calc_cdclk(0); + cdclk = bxt_calc_cdclk(intel_state->cdclk.force_min_cdclk); vco = bxt_de_pll_vco(dev_priv, cdclk); } @@ -2483,7 +2551,7 @@ static int cnl_modeset_calc_cdclk(struct drm_atomic_state *state) cnl_compute_min_voltage_level(intel_state)); if (!intel_state->active_crtcs) { - cdclk = cnl_calc_cdclk(0); + cdclk = cnl_calc_cdclk(intel_state->cdclk.force_min_cdclk); vco = cnl_cdclk_pll_vco(dev_priv, cdclk); intel_state->cdclk.actual.vco = vco; @@ -2519,7 +2587,7 @@ static int icl_modeset_calc_cdclk(struct drm_atomic_state *state) cnl_compute_min_voltage_level(intel_state)); if (!intel_state->active_crtcs) { - cdclk = icl_calc_cdclk(0, ref); + cdclk = icl_calc_cdclk(intel_state->cdclk.force_min_cdclk, ref); vco = icl_calc_cdclk_pll_vco(dev_priv, cdclk); intel_state->cdclk.actual.vco = vco; @@ -2560,7 +2628,7 @@ static int intel_compute_max_dotclk(struct drm_i915_private *dev_priv) */ void intel_update_max_cdclk(struct drm_i915_private *dev_priv) { - if (IS_ICELAKE(dev_priv)) { + if (INTEL_GEN(dev_priv) >= 11) { if (dev_priv->cdclk.hw.ref == 24000) dev_priv->max_cdclk_freq = 648000; else @@ -2668,7 +2736,7 @@ static int cnp_rawclk(struct drm_i915_private *dev_priv) rawclk |= CNP_RAWCLK_DEN(DIV_ROUND_CLOSEST(numerator * 1000, fraction) - 1); - if (HAS_PCH_ICP(dev_priv)) + if (INTEL_PCH_TYPE(dev_priv) >= PCH_ICP) rawclk |= ICP_RAWCLK_NUM(numerator); } @@ -2723,7 +2791,7 @@ static int g4x_hrawclk(struct drm_i915_private *dev_priv) */ void intel_update_rawclk(struct drm_i915_private *dev_priv) { - if (HAS_PCH_CNP(dev_priv) || HAS_PCH_ICP(dev_priv)) + if (INTEL_PCH_TYPE(dev_priv) >= PCH_CNP) dev_priv->rawclk_freq = cnp_rawclk(dev_priv); else if (HAS_PCH_SPLIT(dev_priv)) dev_priv->rawclk_freq = pch_rawclk(dev_priv); @@ -2744,18 +2812,13 @@ void intel_update_rawclk(struct drm_i915_private *dev_priv) */ void intel_init_cdclk_hooks(struct drm_i915_private *dev_priv) { - if (IS_CHERRYVIEW(dev_priv)) { - dev_priv->display.set_cdclk = chv_set_cdclk; - dev_priv->display.modeset_calc_cdclk = - vlv_modeset_calc_cdclk; - } else if (IS_VALLEYVIEW(dev_priv)) { - dev_priv->display.set_cdclk = vlv_set_cdclk; - dev_priv->display.modeset_calc_cdclk = - vlv_modeset_calc_cdclk; - } else if (IS_BROADWELL(dev_priv)) { - dev_priv->display.set_cdclk = bdw_set_cdclk; + if (INTEL_GEN(dev_priv) >= 11) { + dev_priv->display.set_cdclk = icl_set_cdclk; + dev_priv->display.modeset_calc_cdclk = icl_modeset_calc_cdclk; + } else if (IS_CANNONLAKE(dev_priv)) { + dev_priv->display.set_cdclk = cnl_set_cdclk; dev_priv->display.modeset_calc_cdclk = - bdw_modeset_calc_cdclk; + cnl_modeset_calc_cdclk; } else if (IS_GEN9_LP(dev_priv)) { dev_priv->display.set_cdclk = bxt_set_cdclk; dev_priv->display.modeset_calc_cdclk = @@ -2764,23 +2827,28 @@ void intel_init_cdclk_hooks(struct drm_i915_private *dev_priv) dev_priv->display.set_cdclk = skl_set_cdclk; dev_priv->display.modeset_calc_cdclk = skl_modeset_calc_cdclk; - } else if (IS_CANNONLAKE(dev_priv)) { - dev_priv->display.set_cdclk = cnl_set_cdclk; + } else if (IS_BROADWELL(dev_priv)) { + dev_priv->display.set_cdclk = bdw_set_cdclk; dev_priv->display.modeset_calc_cdclk = - cnl_modeset_calc_cdclk; - } else if (IS_ICELAKE(dev_priv)) { - dev_priv->display.set_cdclk = icl_set_cdclk; - dev_priv->display.modeset_calc_cdclk = icl_modeset_calc_cdclk; + bdw_modeset_calc_cdclk; + } else if (IS_CHERRYVIEW(dev_priv)) { + dev_priv->display.set_cdclk = chv_set_cdclk; + dev_priv->display.modeset_calc_cdclk = + vlv_modeset_calc_cdclk; + } else if (IS_VALLEYVIEW(dev_priv)) { + dev_priv->display.set_cdclk = vlv_set_cdclk; + dev_priv->display.modeset_calc_cdclk = + vlv_modeset_calc_cdclk; } - if (IS_ICELAKE(dev_priv)) + if (INTEL_GEN(dev_priv) >= 11) dev_priv->display.get_cdclk = icl_get_cdclk; else if (IS_CANNONLAKE(dev_priv)) dev_priv->display.get_cdclk = cnl_get_cdclk; - else if (IS_GEN9_BC(dev_priv)) - dev_priv->display.get_cdclk = skl_get_cdclk; else if (IS_GEN9_LP(dev_priv)) dev_priv->display.get_cdclk = bxt_get_cdclk; + else if (IS_GEN9_BC(dev_priv)) + dev_priv->display.get_cdclk = skl_get_cdclk; else if (IS_BROADWELL(dev_priv)) dev_priv->display.get_cdclk = bdw_get_cdclk; else if (IS_HASWELL(dev_priv)) |