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path: root/drivers/gpu/drm/i915/display/intel_display_power.c
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Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_display_power.c')
-rw-r--r--drivers/gpu/drm/i915/display/intel_display_power.c178
1 files changed, 97 insertions, 81 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c b/drivers/gpu/drm/i915/display/intel_display_power.c
index ef2fdbf97346..2766fd9208b0 100644
--- a/drivers/gpu/drm/i915/display/intel_display_power.c
+++ b/drivers/gpu/drm/i915/display/intel_display_power.c
@@ -545,7 +545,7 @@ intel_display_power_get_if_enabled(struct drm_i915_private *dev_priv,
wakeref = intel_runtime_pm_get_if_in_use(&dev_priv->runtime_pm);
if (!wakeref)
- return false;
+ return NULL;
mutex_lock(&power_domains->lock);
@@ -560,7 +560,7 @@ intel_display_power_get_if_enabled(struct drm_i915_private *dev_priv,
if (!is_enabled) {
intel_runtime_pm_put(&dev_priv->runtime_pm, wakeref);
- wakeref = 0;
+ wakeref = NULL;
}
return wakeref;
@@ -648,7 +648,7 @@ intel_display_power_put_async_work(struct work_struct *work)
struct i915_power_domains *power_domains = &dev_priv->display.power.domains;
struct intel_runtime_pm *rpm = &dev_priv->runtime_pm;
intel_wakeref_t new_work_wakeref = intel_runtime_pm_get_raw(rpm);
- intel_wakeref_t old_work_wakeref = 0;
+ intel_wakeref_t old_work_wakeref = NULL;
mutex_lock(&power_domains->lock);
@@ -895,7 +895,7 @@ intel_display_power_put_mask_in_set(struct drm_i915_private *i915,
!bitmap_subset(mask->bits, power_domain_set->mask.bits, POWER_DOMAIN_NUM));
for_each_power_domain(domain, mask) {
- intel_wakeref_t __maybe_unused wf = -1;
+ intel_wakeref_t __maybe_unused wf = INTEL_WAKEREF_DEF;
#if IS_ENABLED(CONFIG_DRM_I915_DEBUG_RUNTIME_PM)
wf = fetch_and_zero(&power_domain_set->wakerefs[domain]);
@@ -1176,43 +1176,44 @@ static void hsw_assert_cdclk(struct drm_i915_private *dev_priv)
static void assert_can_disable_lcpll(struct drm_i915_private *dev_priv)
{
+ struct intel_display *display = &dev_priv->display;
struct intel_crtc *crtc;
- for_each_intel_crtc(&dev_priv->drm, crtc)
- I915_STATE_WARN(dev_priv, crtc->active,
- "CRTC for pipe %c enabled\n",
- pipe_name(crtc->pipe));
-
- I915_STATE_WARN(dev_priv, intel_de_read(dev_priv, HSW_PWR_WELL_CTL2),
- "Display power well on\n");
- I915_STATE_WARN(dev_priv,
- intel_de_read(dev_priv, SPLL_CTL) & SPLL_PLL_ENABLE,
- "SPLL enabled\n");
- I915_STATE_WARN(dev_priv,
- intel_de_read(dev_priv, WRPLL_CTL(0)) & WRPLL_PLL_ENABLE,
- "WRPLL1 enabled\n");
- I915_STATE_WARN(dev_priv,
- intel_de_read(dev_priv, WRPLL_CTL(1)) & WRPLL_PLL_ENABLE,
- "WRPLL2 enabled\n");
- I915_STATE_WARN(dev_priv,
- intel_de_read(dev_priv, PP_STATUS(dev_priv, 0)) & PP_ON,
- "Panel power on\n");
- I915_STATE_WARN(dev_priv,
- intel_de_read(dev_priv, BLC_PWM_CPU_CTL2) & BLM_PWM_ENABLE,
- "CPU PWM1 enabled\n");
+ for_each_intel_crtc(display->drm, crtc)
+ INTEL_DISPLAY_STATE_WARN(display, crtc->active,
+ "CRTC for pipe %c enabled\n",
+ pipe_name(crtc->pipe));
+
+ INTEL_DISPLAY_STATE_WARN(display, intel_de_read(display, HSW_PWR_WELL_CTL2),
+ "Display power well on\n");
+ INTEL_DISPLAY_STATE_WARN(display,
+ intel_de_read(display, SPLL_CTL) & SPLL_PLL_ENABLE,
+ "SPLL enabled\n");
+ INTEL_DISPLAY_STATE_WARN(display,
+ intel_de_read(display, WRPLL_CTL(0)) & WRPLL_PLL_ENABLE,
+ "WRPLL1 enabled\n");
+ INTEL_DISPLAY_STATE_WARN(display,
+ intel_de_read(display, WRPLL_CTL(1)) & WRPLL_PLL_ENABLE,
+ "WRPLL2 enabled\n");
+ INTEL_DISPLAY_STATE_WARN(display,
+ intel_de_read(display, PP_STATUS(display, 0)) & PP_ON,
+ "Panel power on\n");
+ INTEL_DISPLAY_STATE_WARN(display,
+ intel_de_read(display, BLC_PWM_CPU_CTL2) & BLM_PWM_ENABLE,
+ "CPU PWM1 enabled\n");
if (IS_HASWELL(dev_priv))
- I915_STATE_WARN(dev_priv,
- intel_de_read(dev_priv, HSW_BLC_PWM2_CTL) & BLM_PWM_ENABLE,
- "CPU PWM2 enabled\n");
- I915_STATE_WARN(dev_priv,
- intel_de_read(dev_priv, BLC_PWM_PCH_CTL1) & BLM_PCH_PWM_ENABLE,
- "PCH PWM1 enabled\n");
- I915_STATE_WARN(dev_priv,
- (intel_de_read(dev_priv, UTIL_PIN_CTL) & (UTIL_PIN_ENABLE | UTIL_PIN_MODE_MASK)) == (UTIL_PIN_ENABLE | UTIL_PIN_MODE_PWM),
- "Utility pin enabled in PWM mode\n");
- I915_STATE_WARN(dev_priv,
- intel_de_read(dev_priv, PCH_GTC_CTL) & PCH_GTC_ENABLE,
- "PCH GTC enabled\n");
+ INTEL_DISPLAY_STATE_WARN(display,
+ intel_de_read(display, HSW_BLC_PWM2_CTL) & BLM_PWM_ENABLE,
+ "CPU PWM2 enabled\n");
+ INTEL_DISPLAY_STATE_WARN(display,
+ intel_de_read(display, BLC_PWM_PCH_CTL1) & BLM_PCH_PWM_ENABLE,
+ "PCH PWM1 enabled\n");
+ INTEL_DISPLAY_STATE_WARN(display,
+ (intel_de_read(display, UTIL_PIN_CTL) & (UTIL_PIN_ENABLE | UTIL_PIN_MODE_MASK)) == (UTIL_PIN_ENABLE | UTIL_PIN_MODE_PWM),
+ "Utility pin enabled in PWM mode\n");
+ INTEL_DISPLAY_STATE_WARN(display,
+ intel_de_read(display, PCH_GTC_CTL) & PCH_GTC_ENABLE,
+ "PCH GTC enabled\n");
/*
* In theory we can still leave IRQs enabled, as long as only the HPD
@@ -1220,8 +1221,8 @@ static void assert_can_disable_lcpll(struct drm_i915_private *dev_priv)
* gen-specific and since we only disable LCPLL after we fully disable
* the interrupts, the check below should be enough.
*/
- I915_STATE_WARN(dev_priv, intel_irqs_enabled(dev_priv),
- "IRQs enabled\n");
+ INTEL_DISPLAY_STATE_WARN(display, intel_irqs_enabled(dev_priv),
+ "IRQs enabled\n");
}
static u32 hsw_read_dcomp(struct drm_i915_private *dev_priv)
@@ -1300,6 +1301,7 @@ static void hsw_disable_lcpll(struct drm_i915_private *dev_priv,
*/
static void hsw_restore_lcpll(struct drm_i915_private *dev_priv)
{
+ struct intel_display *display = &dev_priv->display;
u32 val;
val = intel_de_read(dev_priv, LCPLL_CTL);
@@ -1343,8 +1345,8 @@ static void hsw_restore_lcpll(struct drm_i915_private *dev_priv)
intel_uncore_forcewake_put(&dev_priv->uncore, FORCEWAKE_ALL);
- intel_update_cdclk(dev_priv);
- intel_cdclk_dump_config(dev_priv, &dev_priv->display.cdclk.hw, "Current CDCLK");
+ intel_update_cdclk(display);
+ intel_cdclk_dump_config(display, &display->cdclk.hw, "Current CDCLK");
}
/*
@@ -1416,10 +1418,11 @@ static void intel_pch_reset_handshake(struct drm_i915_private *dev_priv,
static void skl_display_core_init(struct drm_i915_private *dev_priv,
bool resume)
{
- struct i915_power_domains *power_domains = &dev_priv->display.power.domains;
+ struct intel_display *display = &dev_priv->display;
+ struct i915_power_domains *power_domains = &display->power.domains;
struct i915_power_well *well;
- gen9_set_dc_state(dev_priv, DC_STATE_DISABLE);
+ gen9_set_dc_state(display, DC_STATE_DISABLE);
/* enable PCH reset handshake */
intel_pch_reset_handshake(dev_priv, !HAS_PCH_NOP(dev_priv));
@@ -1438,28 +1441,29 @@ static void skl_display_core_init(struct drm_i915_private *dev_priv,
mutex_unlock(&power_domains->lock);
- intel_cdclk_init_hw(dev_priv);
+ intel_cdclk_init_hw(display);
gen9_dbuf_enable(dev_priv);
if (resume)
- intel_dmc_load_program(dev_priv);
+ intel_dmc_load_program(display);
}
static void skl_display_core_uninit(struct drm_i915_private *dev_priv)
{
- struct i915_power_domains *power_domains = &dev_priv->display.power.domains;
+ struct intel_display *display = &dev_priv->display;
+ struct i915_power_domains *power_domains = &display->power.domains;
struct i915_power_well *well;
if (!HAS_DISPLAY(dev_priv))
return;
- gen9_disable_dc_states(dev_priv);
+ gen9_disable_dc_states(display);
/* TODO: disable DMC program */
gen9_dbuf_disable(dev_priv);
- intel_cdclk_uninit_hw(dev_priv);
+ intel_cdclk_uninit_hw(display);
/* The spec doesn't call for removing the reset handshake flag */
/* disable PG1 and Misc I/O */
@@ -1482,10 +1486,11 @@ static void skl_display_core_uninit(struct drm_i915_private *dev_priv)
static void bxt_display_core_init(struct drm_i915_private *dev_priv, bool resume)
{
- struct i915_power_domains *power_domains = &dev_priv->display.power.domains;
+ struct intel_display *display = &dev_priv->display;
+ struct i915_power_domains *power_domains = &display->power.domains;
struct i915_power_well *well;
- gen9_set_dc_state(dev_priv, DC_STATE_DISABLE);
+ gen9_set_dc_state(display, DC_STATE_DISABLE);
/*
* NDE_RSTWRN_OPT RST PCH Handshake En must always be 0b on BXT
@@ -1506,28 +1511,29 @@ static void bxt_display_core_init(struct drm_i915_private *dev_priv, bool resume
mutex_unlock(&power_domains->lock);
- intel_cdclk_init_hw(dev_priv);
+ intel_cdclk_init_hw(display);
gen9_dbuf_enable(dev_priv);
if (resume)
- intel_dmc_load_program(dev_priv);
+ intel_dmc_load_program(display);
}
static void bxt_display_core_uninit(struct drm_i915_private *dev_priv)
{
- struct i915_power_domains *power_domains = &dev_priv->display.power.domains;
+ struct intel_display *display = &dev_priv->display;
+ struct i915_power_domains *power_domains = &display->power.domains;
struct i915_power_well *well;
if (!HAS_DISPLAY(dev_priv))
return;
- gen9_disable_dc_states(dev_priv);
+ gen9_disable_dc_states(display);
/* TODO: disable DMC program */
gen9_dbuf_disable(dev_priv);
- intel_cdclk_uninit_hw(dev_priv);
+ intel_cdclk_uninit_hw(display);
/* The spec doesn't call for removing the reset handshake flag */
@@ -1623,10 +1629,11 @@ static void tgl_bw_buddy_init(struct drm_i915_private *dev_priv)
static void icl_display_core_init(struct drm_i915_private *dev_priv,
bool resume)
{
- struct i915_power_domains *power_domains = &dev_priv->display.power.domains;
+ struct intel_display *display = &dev_priv->display;
+ struct i915_power_domains *power_domains = &display->power.domains;
struct i915_power_well *well;
- gen9_set_dc_state(dev_priv, DC_STATE_DISABLE);
+ gen9_set_dc_state(display, DC_STATE_DISABLE);
/* Wa_14011294188:ehl,jsl,tgl,rkl,adl-s */
if (INTEL_PCH_TYPE(dev_priv) >= PCH_TGP &&
@@ -1657,7 +1664,7 @@ static void icl_display_core_init(struct drm_i915_private *dev_priv,
HOLD_PHY_PG1_LATCH | HOLD_PHY_CLKREQ_PG1_LATCH, 0);
/* 4. Enable CDCLK. */
- intel_cdclk_init_hw(dev_priv);
+ intel_cdclk_init_hw(display);
if (DISPLAY_VER(dev_priv) >= 12)
gen12_dbuf_slices_config(dev_priv);
@@ -1677,14 +1684,14 @@ static void icl_display_core_init(struct drm_i915_private *dev_priv,
intel_snps_phy_wait_for_calibration(dev_priv);
/* 9. XE2_HPD: Program CHICKEN_MISC_2 before any cursor or planes are enabled */
- if (DISPLAY_VER_FULL(dev_priv) == IP_VER(14, 1))
+ if (DISPLAY_VERx100(dev_priv) == 1401)
intel_de_rmw(dev_priv, CHICKEN_MISC_2, BMG_DARB_HALF_BLK_END_BURST, 1);
if (resume)
- intel_dmc_load_program(dev_priv);
+ intel_dmc_load_program(display);
/* Wa_14011508470:tgl,dg1,rkl,adl-s,adl-p,dg2 */
- if (IS_DISPLAY_VER_FULL(dev_priv, IP_VER(12, 0), IP_VER(13, 0)))
+ if (IS_DISPLAY_VERx100(dev_priv, 1200, 1300))
intel_de_rmw(dev_priv, GEN11_CHICKEN_DCPR_2, 0,
DCPR_CLEAR_MEMSTAT_DIS | DCPR_SEND_RESP_IMM |
DCPR_MASK_LPMODE | DCPR_MASK_MAXLATENCY_MEMUP_CLR);
@@ -1704,14 +1711,15 @@ static void icl_display_core_init(struct drm_i915_private *dev_priv,
static void icl_display_core_uninit(struct drm_i915_private *dev_priv)
{
- struct i915_power_domains *power_domains = &dev_priv->display.power.domains;
+ struct intel_display *display = &dev_priv->display;
+ struct i915_power_domains *power_domains = &display->power.domains;
struct i915_power_well *well;
if (!HAS_DISPLAY(dev_priv))
return;
- gen9_disable_dc_states(dev_priv);
- intel_dmc_disable_program(dev_priv);
+ gen9_disable_dc_states(display);
+ intel_dmc_disable_program(display);
/* 1. Disable all display engine functions -> aready done */
@@ -1719,7 +1727,7 @@ static void icl_display_core_uninit(struct drm_i915_private *dev_priv)
gen9_dbuf_disable(dev_priv);
/* 3. Disable CD clock */
- intel_cdclk_uninit_hw(dev_priv);
+ intel_cdclk_uninit_hw(display);
if (DISPLAY_VER(dev_priv) == 14)
intel_de_rmw(dev_priv, DC_STATE_EN, 0,
@@ -2066,7 +2074,8 @@ void intel_power_domains_disable(struct drm_i915_private *i915)
*/
void intel_power_domains_suspend(struct drm_i915_private *i915, bool s2idle)
{
- struct i915_power_domains *power_domains = &i915->display.power.domains;
+ struct intel_display *display = &i915->display;
+ struct i915_power_domains *power_domains = &display->power.domains;
intel_wakeref_t wakeref __maybe_unused =
fetch_and_zero(&power_domains->init_wakeref);
@@ -2080,7 +2089,7 @@ void intel_power_domains_suspend(struct drm_i915_private *i915, bool s2idle)
* that would be blocked if the firmware was inactive.
*/
if (!(power_domains->allowed_dc_mask & DC_STATE_EN_DC9) && s2idle &&
- intel_dmc_has_payload(i915)) {
+ intel_dmc_has_payload(display)) {
intel_display_power_flush_work(i915);
intel_power_domains_verify_state(i915);
return;
@@ -2225,9 +2234,11 @@ static void intel_power_domains_verify_state(struct drm_i915_private *i915)
void intel_display_power_suspend_late(struct drm_i915_private *i915)
{
+ struct intel_display *display = &i915->display;
+
if (DISPLAY_VER(i915) >= 11 || IS_GEMINILAKE(i915) ||
IS_BROXTON(i915)) {
- bxt_enable_dc9(i915);
+ bxt_enable_dc9(display);
} else if (IS_HASWELL(i915) || IS_BROADWELL(i915)) {
hsw_enable_pc8(i915);
}
@@ -2239,10 +2250,12 @@ void intel_display_power_suspend_late(struct drm_i915_private *i915)
void intel_display_power_resume_early(struct drm_i915_private *i915)
{
+ struct intel_display *display = &i915->display;
+
if (DISPLAY_VER(i915) >= 11 || IS_GEMINILAKE(i915) ||
IS_BROXTON(i915)) {
- gen9_sanitize_dc_state(i915);
- bxt_disable_dc9(i915);
+ gen9_sanitize_dc_state(display);
+ bxt_disable_dc9(display);
} else if (IS_HASWELL(i915) || IS_BROADWELL(i915)) {
hsw_disable_pc8(i915);
}
@@ -2254,12 +2267,14 @@ void intel_display_power_resume_early(struct drm_i915_private *i915)
void intel_display_power_suspend(struct drm_i915_private *i915)
{
+ struct intel_display *display = &i915->display;
+
if (DISPLAY_VER(i915) >= 11) {
icl_display_core_uninit(i915);
- bxt_enable_dc9(i915);
+ bxt_enable_dc9(display);
} else if (IS_GEMINILAKE(i915) || IS_BROXTON(i915)) {
bxt_display_core_uninit(i915);
- bxt_enable_dc9(i915);
+ bxt_enable_dc9(display);
} else if (IS_HASWELL(i915) || IS_BROADWELL(i915)) {
hsw_enable_pc8(i915);
}
@@ -2267,23 +2282,24 @@ void intel_display_power_suspend(struct drm_i915_private *i915)
void intel_display_power_resume(struct drm_i915_private *i915)
{
- struct i915_power_domains *power_domains = &i915->display.power.domains;
+ struct intel_display *display = &i915->display;
+ struct i915_power_domains *power_domains = &display->power.domains;
if (DISPLAY_VER(i915) >= 11) {
- bxt_disable_dc9(i915);
+ bxt_disable_dc9(display);
icl_display_core_init(i915, true);
- if (intel_dmc_has_payload(i915)) {
+ if (intel_dmc_has_payload(display)) {
if (power_domains->allowed_dc_mask & DC_STATE_EN_UPTO_DC6)
- skl_enable_dc6(i915);
+ skl_enable_dc6(display);
else if (power_domains->allowed_dc_mask & DC_STATE_EN_UPTO_DC5)
- gen9_enable_dc5(i915);
+ gen9_enable_dc5(display);
}
} else if (IS_GEMINILAKE(i915) || IS_BROXTON(i915)) {
- bxt_disable_dc9(i915);
+ bxt_disable_dc9(display);
bxt_display_core_init(i915, true);
- if (intel_dmc_has_payload(i915) &&
+ if (intel_dmc_has_payload(display) &&
(power_domains->allowed_dc_mask & DC_STATE_EN_UPTO_DC5))
- gen9_enable_dc5(i915);
+ gen9_enable_dc5(display);
} else if (IS_HASWELL(i915) || IS_BROADWELL(i915)) {
hsw_disable_pc8(i915);
}
generated by cgit v1.2.3 (git 2.39.0) at 2025-01-03 13:20:08 +0300