[Intel-gfx] [PATCH 08/15] drm/i915/glk: Add power wells for Geminilake
Ander Conselvan de Oliveira
ander.conselvan.de.oliveira at intel.com
Thu Nov 10 15:23:13 UTC 2016
Geminilake has power wells are similar to SKL, but with the misc IO well
being split into separate AUX IO wells.
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira at intel.com>
---
drivers/gpu/drm/i915/i915_reg.h | 6 ++
drivers/gpu/drm/i915/intel_runtime_pm.c | 114 +++++++++++++++++++++++++++++++-
2 files changed, 117 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 1be2a7d..78a3347 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -708,9 +708,15 @@ enum skl_disp_power_wells {
/* These numbers are fixed and must match the position of the pw bits */
SKL_DISP_PW_MISC_IO,
SKL_DISP_PW_DDI_A_E,
+ GLK_DISP_PW_DDI_A = SKL_DISP_PW_DDI_A_E,
SKL_DISP_PW_DDI_B,
SKL_DISP_PW_DDI_C,
SKL_DISP_PW_DDI_D,
+
+ GLK_DISP_PW_AUX_A = 8,
+ GLK_DISP_PW_AUX_B,
+ GLK_DISP_PW_AUX_C,
+
SKL_DISP_PW_1 = 14,
SKL_DISP_PW_2,
diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c
index 697574f..683c15b 100644
--- a/drivers/gpu/drm/i915/intel_runtime_pm.c
+++ b/drivers/gpu/drm/i915/intel_runtime_pm.c
@@ -453,6 +453,45 @@ static void hsw_set_power_well(struct drm_i915_private *dev_priv,
BIT(POWER_DOMAIN_AUX_C) | \
BIT(POWER_DOMAIN_INIT))
+#define GLK_DISPLAY_POWERWELL_2_POWER_DOMAINS ( \
+ BIT(POWER_DOMAIN_TRANSCODER_A) | \
+ BIT(POWER_DOMAIN_PIPE_B) | \
+ BIT(POWER_DOMAIN_TRANSCODER_B) | \
+ BIT(POWER_DOMAIN_PIPE_C) | \
+ BIT(POWER_DOMAIN_TRANSCODER_C) | \
+ BIT(POWER_DOMAIN_PIPE_B_PANEL_FITTER) | \
+ BIT(POWER_DOMAIN_PIPE_C_PANEL_FITTER) | \
+ BIT(POWER_DOMAIN_PORT_DDI_B_LANES) | \
+ BIT(POWER_DOMAIN_PORT_DDI_C_LANES) | \
+ BIT(POWER_DOMAIN_AUX_B) | \
+ BIT(POWER_DOMAIN_AUX_C) | \
+ BIT(POWER_DOMAIN_AUDIO) | \
+ BIT(POWER_DOMAIN_VGA) | \
+ BIT(POWER_DOMAIN_INIT))
+#define GLK_DISPLAY_DDI_A_POWER_DOMAINS ( \
+ BIT(POWER_DOMAIN_PORT_DDI_A_LANES) | \
+ BIT(POWER_DOMAIN_INIT))
+#define GLK_DISPLAY_DDI_B_POWER_DOMAINS ( \
+ BIT(POWER_DOMAIN_PORT_DDI_B_LANES) | \
+ BIT(POWER_DOMAIN_INIT))
+#define GLK_DISPLAY_DDI_C_POWER_DOMAINS ( \
+ BIT(POWER_DOMAIN_PORT_DDI_C_LANES) | \
+ BIT(POWER_DOMAIN_INIT))
+#define GLK_DISPLAY_AUX_A_POWER_DOMAINS ( \
+ BIT(POWER_DOMAIN_AUX_A) | \
+ BIT(POWER_DOMAIN_INIT))
+#define GLK_DISPLAY_AUX_B_POWER_DOMAINS ( \
+ BIT(POWER_DOMAIN_AUX_B) | \
+ BIT(POWER_DOMAIN_INIT))
+#define GLK_DISPLAY_AUX_C_POWER_DOMAINS ( \
+ BIT(POWER_DOMAIN_AUX_C) | \
+ BIT(POWER_DOMAIN_INIT))
+#define GLK_DISPLAY_DC_OFF_POWER_DOMAINS ( \
+ GLK_DISPLAY_POWERWELL_2_POWER_DOMAINS | \
+ BIT(POWER_DOMAIN_MODESET) | \
+ BIT(POWER_DOMAIN_AUX_A) | \
+ BIT(POWER_DOMAIN_INIT))
+
static void assert_can_enable_dc9(struct drm_i915_private *dev_priv)
{
WARN_ONCE((I915_READ(DC_STATE_EN) & DC_STATE_EN_DC9),
@@ -694,7 +733,7 @@ gen9_sanitize_power_well_requests(struct drm_i915_private *dev_priv,
}
static void skl_set_power_well(struct drm_i915_private *dev_priv,
- struct i915_power_well *power_well, bool enable)
+ struct i915_power_well *power_well, bool enable)
{
uint32_t tmp, fuse_status;
uint32_t req_mask, state_mask;
@@ -720,11 +759,14 @@ static void skl_set_power_well(struct drm_i915_private *dev_priv,
return;
}
break;
- case SKL_DISP_PW_DDI_A_E:
+ case SKL_DISP_PW_MISC_IO:
+ case SKL_DISP_PW_DDI_A_E: /* GLK_DISP_PW_DDI_A */
case SKL_DISP_PW_DDI_B:
case SKL_DISP_PW_DDI_C:
case SKL_DISP_PW_DDI_D:
- case SKL_DISP_PW_MISC_IO:
+ case GLK_DISP_PW_AUX_A:
+ case GLK_DISP_PW_AUX_B:
+ case GLK_DISP_PW_AUX_C:
break;
default:
WARN(1, "Unknown power well %lu\n", power_well->id);
@@ -2150,6 +2192,70 @@ static struct i915_power_well bxt_power_wells[] = {
},
};
+static struct i915_power_well glk_power_wells[] = {
+ {
+ .name = "always-on",
+ .always_on = 1,
+ .domains = POWER_DOMAIN_MASK,
+ .ops = &i9xx_always_on_power_well_ops,
+ },
+ {
+ .name = "power well 1",
+ /* Handled by the DMC firmware */
+ .domains = 0,
+ .ops = &skl_power_well_ops,
+ .id = SKL_DISP_PW_1,
+ },
+ {
+ .name = "DC off",
+ .domains = GLK_DISPLAY_DC_OFF_POWER_DOMAINS,
+ .ops = &gen9_dc_off_power_well_ops,
+ .id = SKL_DISP_PW_DC_OFF,
+ },
+ {
+ .name = "power well 2",
+ .domains = GLK_DISPLAY_POWERWELL_2_POWER_DOMAINS,
+ .ops = &skl_power_well_ops,
+ .id = SKL_DISP_PW_2,
+ },
+ {
+ .name = "AUX A",
+ .domains = GLK_DISPLAY_AUX_A_POWER_DOMAINS,
+ .ops = &skl_power_well_ops,
+ .id = GLK_DISP_PW_AUX_A,
+ },
+ {
+ .name = "AUX B",
+ .domains = GLK_DISPLAY_AUX_B_POWER_DOMAINS,
+ .ops = &skl_power_well_ops,
+ .id = GLK_DISP_PW_AUX_B,
+ },
+ {
+ .name = "AUX C",
+ .domains = GLK_DISPLAY_AUX_C_POWER_DOMAINS,
+ .ops = &skl_power_well_ops,
+ .id = GLK_DISP_PW_AUX_C,
+ },
+ {
+ .name = "DDI A power well",
+ .domains = GLK_DISPLAY_DDI_A_POWER_DOMAINS,
+ .ops = &skl_power_well_ops,
+ .id = GLK_DISP_PW_DDI_A,
+ },
+ {
+ .name = "DDI B power well",
+ .domains = GLK_DISPLAY_DDI_B_POWER_DOMAINS,
+ .ops = &skl_power_well_ops,
+ .id = SKL_DISP_PW_DDI_B,
+ },
+ {
+ .name = "DDI C power well",
+ .domains = GLK_DISPLAY_DDI_C_POWER_DOMAINS,
+ .ops = &skl_power_well_ops,
+ .id = SKL_DISP_PW_DDI_C,
+ },
+};
+
static int
sanitize_disable_power_well_option(const struct drm_i915_private *dev_priv,
int disable_power_well)
@@ -2246,6 +2352,8 @@ int intel_power_domains_init(struct drm_i915_private *dev_priv)
set_power_wells(power_domains, skl_power_wells);
} else if (IS_BROXTON(dev_priv)) {
set_power_wells(power_domains, bxt_power_wells);
+ } else if (IS_GEMINILAKE(dev_priv)) {
+ set_power_wells(power_domains, glk_power_wells);
} else if (IS_CHERRYVIEW(dev_priv)) {
set_power_wells(power_domains, chv_power_wells);
} else if (IS_VALLEYVIEW(dev_priv)) {
--
2.5.5
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