hsw_wait_for_power_well_enable(dev_priv, power_well, false);
- /* Display WA #1178: cnl */
- if (IS_CANNONLAKE(dev_priv) &&
- pw_idx >= GLK_PW_CTL_IDX_AUX_B &&
- pw_idx <= CNL_PW_CTL_IDX_AUX_F) {
- u32 val;
-
- val = intel_de_read(dev_priv, CNL_AUX_ANAOVRD1(pw_idx));
- val |= CNL_AUX_ANAOVRD1_ENABLE | CNL_AUX_ANAOVRD1_LDO_BYPASS;
- intel_de_write(dev_priv, CNL_AUX_ANAOVRD1(pw_idx), val);
- }
-
if (power_well->desc->hsw.has_fuses) {
enum skl_power_gate pg;
BIT_ULL(POWER_DOMAIN_GMBUS) | \
BIT_ULL(POWER_DOMAIN_INIT))
-#define CNL_DISPLAY_POWERWELL_2_POWER_DOMAINS ( \
- BIT_ULL(POWER_DOMAIN_TRANSCODER_A) | \
- BIT_ULL(POWER_DOMAIN_PIPE_B) | \
- BIT_ULL(POWER_DOMAIN_TRANSCODER_B) | \
- BIT_ULL(POWER_DOMAIN_PIPE_C) | \
- BIT_ULL(POWER_DOMAIN_TRANSCODER_C) | \
- BIT_ULL(POWER_DOMAIN_PIPE_B_PANEL_FITTER) | \
- BIT_ULL(POWER_DOMAIN_PIPE_C_PANEL_FITTER) | \
- BIT_ULL(POWER_DOMAIN_PORT_DDI_B_LANES) | \
- BIT_ULL(POWER_DOMAIN_PORT_DDI_C_LANES) | \
- BIT_ULL(POWER_DOMAIN_PORT_DDI_D_LANES) | \
- BIT_ULL(POWER_DOMAIN_PORT_DDI_F_LANES) | \
- BIT_ULL(POWER_DOMAIN_AUX_B) | \
- BIT_ULL(POWER_DOMAIN_AUX_C) | \
- BIT_ULL(POWER_DOMAIN_AUX_D) | \
- BIT_ULL(POWER_DOMAIN_AUX_F) | \
- BIT_ULL(POWER_DOMAIN_AUDIO) | \
- BIT_ULL(POWER_DOMAIN_VGA) | \
- BIT_ULL(POWER_DOMAIN_INIT))
-#define CNL_DISPLAY_DDI_A_IO_POWER_DOMAINS ( \
- BIT_ULL(POWER_DOMAIN_PORT_DDI_A_IO) | \
- BIT_ULL(POWER_DOMAIN_INIT))
-#define CNL_DISPLAY_DDI_B_IO_POWER_DOMAINS ( \
- BIT_ULL(POWER_DOMAIN_PORT_DDI_B_IO) | \
- BIT_ULL(POWER_DOMAIN_INIT))
-#define CNL_DISPLAY_DDI_C_IO_POWER_DOMAINS ( \
- BIT_ULL(POWER_DOMAIN_PORT_DDI_C_IO) | \
- BIT_ULL(POWER_DOMAIN_INIT))
-#define CNL_DISPLAY_DDI_D_IO_POWER_DOMAINS ( \
- BIT_ULL(POWER_DOMAIN_PORT_DDI_D_IO) | \
- BIT_ULL(POWER_DOMAIN_INIT))
-#define CNL_DISPLAY_AUX_A_POWER_DOMAINS ( \
- BIT_ULL(POWER_DOMAIN_AUX_A) | \
- BIT_ULL(POWER_DOMAIN_AUX_IO_A) | \
- BIT_ULL(POWER_DOMAIN_INIT))
-#define CNL_DISPLAY_AUX_B_POWER_DOMAINS ( \
- BIT_ULL(POWER_DOMAIN_AUX_B) | \
- BIT_ULL(POWER_DOMAIN_INIT))
-#define CNL_DISPLAY_AUX_C_POWER_DOMAINS ( \
- BIT_ULL(POWER_DOMAIN_AUX_C) | \
- BIT_ULL(POWER_DOMAIN_INIT))
-#define CNL_DISPLAY_AUX_D_POWER_DOMAINS ( \
- BIT_ULL(POWER_DOMAIN_AUX_D) | \
- BIT_ULL(POWER_DOMAIN_INIT))
-#define CNL_DISPLAY_AUX_F_POWER_DOMAINS ( \
- BIT_ULL(POWER_DOMAIN_AUX_F) | \
- BIT_ULL(POWER_DOMAIN_INIT))
-#define CNL_DISPLAY_DDI_F_IO_POWER_DOMAINS ( \
- BIT_ULL(POWER_DOMAIN_PORT_DDI_F_IO) | \
- BIT_ULL(POWER_DOMAIN_INIT))
-#define CNL_DISPLAY_DC_OFF_POWER_DOMAINS ( \
- CNL_DISPLAY_POWERWELL_2_POWER_DOMAINS | \
- BIT_ULL(POWER_DOMAIN_GT_IRQ) | \
- BIT_ULL(POWER_DOMAIN_MODESET) | \
- BIT_ULL(POWER_DOMAIN_AUX_A) | \
- BIT_ULL(POWER_DOMAIN_INIT))
-
/*
* ICL PW_0/PG_0 domains (HW/DMC control):
* - PCI
},
};
-static const struct i915_power_well_desc cnl_power_wells[] = {
- {
- .name = "always-on",
- .always_on = true,
- .domains = POWER_DOMAIN_MASK,
- .ops = &i9xx_always_on_power_well_ops,
- .id = DISP_PW_ID_NONE,
- },
- {
- .name = "power well 1",
- /* Handled by the DMC firmware */
- .always_on = true,
- .domains = 0,
- .ops = &hsw_power_well_ops,
- .id = SKL_DISP_PW_1,
- {
- .hsw.regs = &hsw_power_well_regs,
- .hsw.idx = SKL_PW_CTL_IDX_PW_1,
- .hsw.has_fuses = true,
- },
- },
- {
- .name = "AUX A",
- .domains = CNL_DISPLAY_AUX_A_POWER_DOMAINS,
- .ops = &hsw_power_well_ops,
- .id = DISP_PW_ID_NONE,
- {
- .hsw.regs = &hsw_power_well_regs,
- .hsw.idx = GLK_PW_CTL_IDX_AUX_A,
- },
- },
- {
- .name = "AUX B",
- .domains = CNL_DISPLAY_AUX_B_POWER_DOMAINS,
- .ops = &hsw_power_well_ops,
- .id = DISP_PW_ID_NONE,
- {
- .hsw.regs = &hsw_power_well_regs,
- .hsw.idx = GLK_PW_CTL_IDX_AUX_B,
- },
- },
- {
- .name = "AUX C",
- .domains = CNL_DISPLAY_AUX_C_POWER_DOMAINS,
- .ops = &hsw_power_well_ops,
- .id = DISP_PW_ID_NONE,
- {
- .hsw.regs = &hsw_power_well_regs,
- .hsw.idx = GLK_PW_CTL_IDX_AUX_C,
- },
- },
- {
- .name = "AUX D",
- .domains = CNL_DISPLAY_AUX_D_POWER_DOMAINS,
- .ops = &hsw_power_well_ops,
- .id = DISP_PW_ID_NONE,
- {
- .hsw.regs = &hsw_power_well_regs,
- .hsw.idx = CNL_PW_CTL_IDX_AUX_D,
- },
- },
- {
- .name = "DC off",
- .domains = CNL_DISPLAY_DC_OFF_POWER_DOMAINS,
- .ops = &gen9_dc_off_power_well_ops,
- .id = SKL_DISP_DC_OFF,
- },
- {
- .name = "power well 2",
- .domains = CNL_DISPLAY_POWERWELL_2_POWER_DOMAINS,
- .ops = &hsw_power_well_ops,
- .id = SKL_DISP_PW_2,
- {
- .hsw.regs = &hsw_power_well_regs,
- .hsw.idx = SKL_PW_CTL_IDX_PW_2,
- .hsw.irq_pipe_mask = BIT(PIPE_B) | BIT(PIPE_C),
- .hsw.has_vga = true,
- .hsw.has_fuses = true,
- },
- },
- {
- .name = "DDI A IO power well",
- .domains = CNL_DISPLAY_DDI_A_IO_POWER_DOMAINS,
- .ops = &hsw_power_well_ops,
- .id = DISP_PW_ID_NONE,
- {
- .hsw.regs = &hsw_power_well_regs,
- .hsw.idx = GLK_PW_CTL_IDX_DDI_A,
- },
- },
- {
- .name = "DDI B IO power well",
- .domains = CNL_DISPLAY_DDI_B_IO_POWER_DOMAINS,
- .ops = &hsw_power_well_ops,
- .id = DISP_PW_ID_NONE,
- {
- .hsw.regs = &hsw_power_well_regs,
- .hsw.idx = SKL_PW_CTL_IDX_DDI_B,
- },
- },
- {
- .name = "DDI C IO power well",
- .domains = CNL_DISPLAY_DDI_C_IO_POWER_DOMAINS,
- .ops = &hsw_power_well_ops,
- .id = DISP_PW_ID_NONE,
- {
- .hsw.regs = &hsw_power_well_regs,
- .hsw.idx = SKL_PW_CTL_IDX_DDI_C,
- },
- },
- {
- .name = "DDI D IO power well",
- .domains = CNL_DISPLAY_DDI_D_IO_POWER_DOMAINS,
- .ops = &hsw_power_well_ops,
- .id = DISP_PW_ID_NONE,
- {
- .hsw.regs = &hsw_power_well_regs,
- .hsw.idx = SKL_PW_CTL_IDX_DDI_D,
- },
- },
- {
- .name = "DDI F IO power well",
- .domains = CNL_DISPLAY_DDI_F_IO_POWER_DOMAINS,
- .ops = &hsw_power_well_ops,
- .id = CNL_DISP_PW_DDI_F_IO,
- {
- .hsw.regs = &hsw_power_well_regs,
- .hsw.idx = CNL_PW_CTL_IDX_DDI_F,
- },
- },
- {
- .name = "AUX F",
- .domains = CNL_DISPLAY_AUX_F_POWER_DOMAINS,
- .ops = &hsw_power_well_ops,
- .id = CNL_DISP_PW_DDI_F_AUX,
- {
- .hsw.regs = &hsw_power_well_regs,
- .hsw.idx = CNL_PW_CTL_IDX_AUX_F,
- },
- },
-};
-
static const struct i915_power_well_ops icl_aux_power_well_ops = {
.sync_hw = hsw_power_well_sync_hw,
.enable = icl_aux_power_well_enable,
err = set_power_wells(power_domains, tgl_power_wells);
} else if (DISPLAY_VER(dev_priv) == 11) {
err = set_power_wells(power_domains, icl_power_wells);
- } else if (IS_CNL_WITH_PORT_F(dev_priv)) {
- err = set_power_wells(power_domains, cnl_power_wells);
- } else if (IS_CANNONLAKE(dev_priv)) {
- err = set_power_wells_mask(power_domains, cnl_power_wells,
- BIT_ULL(CNL_DISP_PW_DDI_F_IO) |
- BIT_ULL(CNL_DISP_PW_DDI_F_AUX));
} else if (IS_GEMINILAKE(dev_priv)) {
err = set_power_wells(power_domains, glk_power_wells);
} else if (IS_BROXTON(dev_priv)) {
usleep_range(10, 30); /* 10 us delay per Bspec */
}
-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;
-
- 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));
-
- if (!HAS_DISPLAY(dev_priv))
- return;
-
- /* 2-3. */
- intel_combo_phy_init(dev_priv);
-
- /*
- * 4. Enable Power Well 1 (PG1).
- * The AUX IO power wells will be enabled on demand.
- */
- mutex_lock(&power_domains->lock);
- well = lookup_power_well(dev_priv, SKL_DISP_PW_1);
- intel_power_well_enable(dev_priv, well);
- mutex_unlock(&power_domains->lock);
-
- /* 5. Enable CD clock */
- intel_cdclk_init_hw(dev_priv);
-
- /* 6. Enable DBUF */
- gen9_dbuf_enable(dev_priv);
-
- if (resume && intel_dmc_has_payload(dev_priv))
- intel_dmc_load_program(dev_priv);
-}
-
-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;
-
- if (!HAS_DISPLAY(dev_priv))
- return;
-
- gen9_disable_dc_states(dev_priv);
-
- /* 1. Disable all display engine functions -> aready done */
-
- /* 2. Disable DBUF */
- gen9_dbuf_disable(dev_priv);
-
- /* 3. Disable CD clock */
- intel_cdclk_uninit_hw(dev_priv);
-
- /*
- * 4. Disable Power Well 1 (PG1).
- * The AUX IO power wells are toggled on demand, so they are already
- * disabled at this point.
- */
- mutex_lock(&power_domains->lock);
- well = lookup_power_well(dev_priv, SKL_DISP_PW_1);
- intel_power_well_disable(dev_priv, well);
- mutex_unlock(&power_domains->lock);
-
- usleep_range(10, 30); /* 10 us delay per Bspec */
-
- /* 5. */
- intel_combo_phy_uninit(dev_priv);
-}
-
struct buddy_page_mask {
u32 page_mask;
u8 type;
if (DISPLAY_VER(i915) >= 11) {
icl_display_core_init(i915, resume);
- } else if (IS_CANNONLAKE(i915)) {
- cnl_display_core_init(i915, resume);
} else if (IS_GEMINILAKE(i915) || IS_BROXTON(i915)) {
bxt_display_core_init(i915, resume);
} else if (DISPLAY_VER(i915) == 9) {
if (DISPLAY_VER(i915) >= 11)
icl_display_core_uninit(i915);
- else if (IS_CANNONLAKE(i915))
- cnl_display_core_uninit(i915);
else if (IS_GEMINILAKE(i915) || IS_BROXTON(i915))
bxt_display_core_uninit(i915);
else if (DISPLAY_VER(i915) == 9)
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