summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/i915/display/intel_panel.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_panel.c')
-rw-r--r--drivers/gpu/drm/i915/display/intel_panel.c226
1 files changed, 133 insertions, 93 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_panel.c b/drivers/gpu/drm/i915/display/intel_panel.c
index 9f23bac0d792..67f81ae995c4 100644
--- a/drivers/gpu/drm/i915/display/intel_panel.c
+++ b/drivers/gpu/drm/i915/display/intel_panel.c
@@ -589,7 +589,7 @@ static u32 bxt_get_backlight(struct intel_connector *connector)
BXT_BLC_PWM_DUTY(panel->backlight.controller));
}
-static u32 pwm_get_backlight(struct intel_connector *connector)
+static u32 ext_pwm_get_backlight(struct intel_connector *connector)
{
struct intel_panel *panel = &connector->panel;
struct pwm_state state;
@@ -666,7 +666,7 @@ static void bxt_set_backlight(const struct drm_connector_state *conn_state, u32
BXT_BLC_PWM_DUTY(panel->backlight.controller), level);
}
-static void pwm_set_backlight(const struct drm_connector_state *conn_state, u32 level)
+static void ext_pwm_set_backlight(const struct drm_connector_state *conn_state, u32 level)
{
struct intel_panel *panel = &to_intel_connector(conn_state->connector)->panel;
@@ -684,7 +684,7 @@ intel_panel_actually_set_backlight(const struct drm_connector_state *conn_state,
drm_dbg_kms(&i915->drm, "set backlight PWM = %d\n", level);
level = intel_panel_compute_brightness(connector, level);
- panel->backlight.set(conn_state, level);
+ panel->backlight.funcs->set(conn_state, level);
}
/* set backlight brightness to level in range [0..max], assuming hw min is
@@ -726,13 +726,13 @@ void intel_panel_set_backlight_acpi(const struct drm_connector_state *conn_state
mutex_unlock(&dev_priv->backlight_lock);
}
-static void lpt_disable_backlight(const struct drm_connector_state *old_conn_state)
+static void lpt_disable_backlight(const struct drm_connector_state *old_conn_state, u32 level)
{
struct intel_connector *connector = to_intel_connector(old_conn_state->connector);
struct drm_i915_private *dev_priv = to_i915(connector->base.dev);
u32 tmp;
- intel_panel_actually_set_backlight(old_conn_state, 0);
+ intel_panel_actually_set_backlight(old_conn_state, level);
/*
* Although we don't support or enable CPU PWM with LPT/SPT based
@@ -754,13 +754,13 @@ static void lpt_disable_backlight(const struct drm_connector_state *old_conn_sta
intel_de_write(dev_priv, BLC_PWM_PCH_CTL1, tmp & ~BLM_PCH_PWM_ENABLE);
}
-static void pch_disable_backlight(const struct drm_connector_state *old_conn_state)
+static void pch_disable_backlight(const struct drm_connector_state *old_conn_state, u32 val)
{
struct intel_connector *connector = to_intel_connector(old_conn_state->connector);
struct drm_i915_private *dev_priv = to_i915(connector->base.dev);
u32 tmp;
- intel_panel_actually_set_backlight(old_conn_state, 0);
+ intel_panel_actually_set_backlight(old_conn_state, val);
tmp = intel_de_read(dev_priv, BLC_PWM_CPU_CTL2);
intel_de_write(dev_priv, BLC_PWM_CPU_CTL2, tmp & ~BLM_PWM_ENABLE);
@@ -769,44 +769,44 @@ static void pch_disable_backlight(const struct drm_connector_state *old_conn_sta
intel_de_write(dev_priv, BLC_PWM_PCH_CTL1, tmp & ~BLM_PCH_PWM_ENABLE);
}
-static void i9xx_disable_backlight(const struct drm_connector_state *old_conn_state)
+static void i9xx_disable_backlight(const struct drm_connector_state *old_conn_state, u32 val)
{
- intel_panel_actually_set_backlight(old_conn_state, 0);
+ intel_panel_actually_set_backlight(old_conn_state, val);
}
-static void i965_disable_backlight(const struct drm_connector_state *old_conn_state)
+static void i965_disable_backlight(const struct drm_connector_state *old_conn_state, u32 val)
{
struct drm_i915_private *dev_priv = to_i915(old_conn_state->connector->dev);
u32 tmp;
- intel_panel_actually_set_backlight(old_conn_state, 0);
+ intel_panel_actually_set_backlight(old_conn_state, val);
tmp = intel_de_read(dev_priv, BLC_PWM_CTL2);
intel_de_write(dev_priv, BLC_PWM_CTL2, tmp & ~BLM_PWM_ENABLE);
}
-static void vlv_disable_backlight(const struct drm_connector_state *old_conn_state)
+static void vlv_disable_backlight(const struct drm_connector_state *old_conn_state, u32 val)
{
struct intel_connector *connector = to_intel_connector(old_conn_state->connector);
struct drm_i915_private *dev_priv = to_i915(connector->base.dev);
enum pipe pipe = to_intel_crtc(old_conn_state->crtc)->pipe;
u32 tmp;
- intel_panel_actually_set_backlight(old_conn_state, 0);
+ intel_panel_actually_set_backlight(old_conn_state, val);
tmp = intel_de_read(dev_priv, VLV_BLC_PWM_CTL2(pipe));
intel_de_write(dev_priv, VLV_BLC_PWM_CTL2(pipe),
tmp & ~BLM_PWM_ENABLE);
}
-static void bxt_disable_backlight(const struct drm_connector_state *old_conn_state)
+static void bxt_disable_backlight(const struct drm_connector_state *old_conn_state, u32 val)
{
struct intel_connector *connector = to_intel_connector(old_conn_state->connector);
struct drm_i915_private *dev_priv = to_i915(connector->base.dev);
struct intel_panel *panel = &connector->panel;
- u32 tmp, val;
+ u32 tmp;
- intel_panel_actually_set_backlight(old_conn_state, 0);
+ intel_panel_actually_set_backlight(old_conn_state, val);
tmp = intel_de_read(dev_priv,
BXT_BLC_PWM_CTL(panel->backlight.controller));
@@ -820,14 +820,14 @@ static void bxt_disable_backlight(const struct drm_connector_state *old_conn_sta
}
}
-static void cnp_disable_backlight(const struct drm_connector_state *old_conn_state)
+static void cnp_disable_backlight(const struct drm_connector_state *old_conn_state, u32 val)
{
struct intel_connector *connector = to_intel_connector(old_conn_state->connector);
struct drm_i915_private *dev_priv = to_i915(connector->base.dev);
struct intel_panel *panel = &connector->panel;
u32 tmp;
- intel_panel_actually_set_backlight(old_conn_state, 0);
+ intel_panel_actually_set_backlight(old_conn_state, val);
tmp = intel_de_read(dev_priv,
BXT_BLC_PWM_CTL(panel->backlight.controller));
@@ -835,7 +835,7 @@ static void cnp_disable_backlight(const struct drm_connector_state *old_conn_sta
tmp & ~BXT_BLC_PWM_ENABLE);
}
-static void pwm_disable_backlight(const struct drm_connector_state *old_conn_state)
+static void ext_pwm_disable_backlight(const struct drm_connector_state *old_conn_state, u32 level)
{
struct intel_connector *connector = to_intel_connector(old_conn_state->connector);
struct intel_panel *panel = &connector->panel;
@@ -870,13 +870,13 @@ void intel_panel_disable_backlight(const struct drm_connector_state *old_conn_st
if (panel->backlight.device)
panel->backlight.device->props.power = FB_BLANK_POWERDOWN;
panel->backlight.enabled = false;
- panel->backlight.disable(old_conn_state);
+ panel->backlight.funcs->disable(old_conn_state, 0);
mutex_unlock(&dev_priv->backlight_lock);
}
static void lpt_enable_backlight(const struct intel_crtc_state *crtc_state,
- const struct drm_connector_state *conn_state)
+ const struct drm_connector_state *conn_state, u32 level)
{
struct intel_connector *connector = to_intel_connector(conn_state->connector);
struct drm_i915_private *dev_priv = to_i915(connector->base.dev);
@@ -923,11 +923,11 @@ static void lpt_enable_backlight(const struct intel_crtc_state *crtc_state,
pch_ctl1 | BLM_PCH_PWM_ENABLE);
/* This won't stick until the above enable. */
- intel_panel_actually_set_backlight(conn_state, panel->backlight.level);
+ intel_panel_actually_set_backlight(conn_state, level);
}
static void pch_enable_backlight(const struct intel_crtc_state *crtc_state,
- const struct drm_connector_state *conn_state)
+ const struct drm_connector_state *conn_state, u32 level)
{
struct intel_connector *connector = to_intel_connector(conn_state->connector);
struct drm_i915_private *dev_priv = to_i915(connector->base.dev);
@@ -958,7 +958,7 @@ static void pch_enable_backlight(const struct intel_crtc_state *crtc_state,
intel_de_write(dev_priv, BLC_PWM_CPU_CTL2, cpu_ctl2 | BLM_PWM_ENABLE);
/* This won't stick until the above enable. */
- intel_panel_actually_set_backlight(conn_state, panel->backlight.level);
+ intel_panel_actually_set_backlight(conn_state, level);
pch_ctl2 = panel->backlight.max << 16;
intel_de_write(dev_priv, BLC_PWM_PCH_CTL2, pch_ctl2);
@@ -974,7 +974,7 @@ static void pch_enable_backlight(const struct intel_crtc_state *crtc_state,
}
static void i9xx_enable_backlight(const struct intel_crtc_state *crtc_state,
- const struct drm_connector_state *conn_state)
+ const struct drm_connector_state *conn_state, u32 level)
{
struct intel_connector *connector = to_intel_connector(conn_state->connector);
struct drm_i915_private *dev_priv = to_i915(connector->base.dev);
@@ -1001,7 +1001,7 @@ static void i9xx_enable_backlight(const struct intel_crtc_state *crtc_state,
intel_de_posting_read(dev_priv, BLC_PWM_CTL);
/* XXX: combine this into above write? */
- intel_panel_actually_set_backlight(conn_state, panel->backlight.level);
+ intel_panel_actually_set_backlight(conn_state, level);
/*
* Needed to enable backlight on some 855gm models. BLC_HIST_CTL is
@@ -1013,7 +1013,7 @@ static void i9xx_enable_backlight(const struct intel_crtc_state *crtc_state,
}
static void i965_enable_backlight(const struct intel_crtc_state *crtc_state,
- const struct drm_connector_state *conn_state)
+ const struct drm_connector_state *conn_state, u32 level)
{
struct intel_connector *connector = to_intel_connector(conn_state->connector);
struct drm_i915_private *dev_priv = to_i915(connector->base.dev);
@@ -1044,11 +1044,11 @@ static void i965_enable_backlight(const struct intel_crtc_state *crtc_state,
intel_de_posting_read(dev_priv, BLC_PWM_CTL2);
intel_de_write(dev_priv, BLC_PWM_CTL2, ctl2 | BLM_PWM_ENABLE);
- intel_panel_actually_set_backlight(conn_state, panel->backlight.level);
+ intel_panel_actually_set_backlight(conn_state, level);
}
static void vlv_enable_backlight(const struct intel_crtc_state *crtc_state,
- const struct drm_connector_state *conn_state)
+ const struct drm_connector_state *conn_state, u32 level)
{
struct intel_connector *connector = to_intel_connector(conn_state->connector);
struct drm_i915_private *dev_priv = to_i915(connector->base.dev);
@@ -1067,7 +1067,7 @@ static void vlv_enable_backlight(const struct intel_crtc_state *crtc_state,
intel_de_write(dev_priv, VLV_BLC_PWM_CTL(pipe), ctl);
/* XXX: combine this into above write? */
- intel_panel_actually_set_backlight(conn_state, panel->backlight.level);
+ intel_panel_actually_set_backlight(conn_state, level);
ctl2 = 0;
if (panel->backlight.active_low_pwm)
@@ -1079,7 +1079,7 @@ static void vlv_enable_backlight(const struct intel_crtc_state *crtc_state,
}
static void bxt_enable_backlight(const struct intel_crtc_state *crtc_state,
- const struct drm_connector_state *conn_state)
+ const struct drm_connector_state *conn_state, u32 level)
{
struct intel_connector *connector = to_intel_connector(conn_state->connector);
struct drm_i915_private *dev_priv = to_i915(connector->base.dev);
@@ -1118,7 +1118,7 @@ static void bxt_enable_backlight(const struct intel_crtc_state *crtc_state,
BXT_BLC_PWM_FREQ(panel->backlight.controller),
panel->backlight.max);
- intel_panel_actually_set_backlight(conn_state, panel->backlight.level);
+ intel_panel_actually_set_backlight(conn_state, level);
pwm_ctl = 0;
if (panel->backlight.active_low_pwm)
@@ -1133,7 +1133,7 @@ static void bxt_enable_backlight(const struct intel_crtc_state *crtc_state,
}
static void cnp_enable_backlight(const struct intel_crtc_state *crtc_state,
- const struct drm_connector_state *conn_state)
+ const struct drm_connector_state *conn_state, u32 level)
{
struct intel_connector *connector = to_intel_connector(conn_state->connector);
struct drm_i915_private *dev_priv = to_i915(connector->base.dev);
@@ -1154,7 +1154,7 @@ static void cnp_enable_backlight(const struct intel_crtc_state *crtc_state,
BXT_BLC_PWM_FREQ(panel->backlight.controller),
panel->backlight.max);
- intel_panel_actually_set_backlight(conn_state, panel->backlight.level);
+ intel_panel_actually_set_backlight(conn_state, level);
pwm_ctl = 0;
if (panel->backlight.active_low_pwm)
@@ -1168,12 +1168,11 @@ static void cnp_enable_backlight(const struct intel_crtc_state *crtc_state,
pwm_ctl | BXT_BLC_PWM_ENABLE);
}
-static void pwm_enable_backlight(const struct intel_crtc_state *crtc_state,
- const struct drm_connector_state *conn_state)
+static void ext_pwm_enable_backlight(const struct intel_crtc_state *crtc_state,
+ const struct drm_connector_state *conn_state, u32 level)
{
struct intel_connector *connector = to_intel_connector(conn_state->connector);
struct intel_panel *panel = &connector->panel;
- int level = panel->backlight.level;
level = intel_panel_compute_brightness(connector, level);
pwm_set_relative_duty_cycle(&panel->backlight.pwm_state, level, 100);
@@ -1198,7 +1197,7 @@ static void __intel_panel_enable_backlight(const struct intel_crtc_state *crtc_s
panel->backlight.device->props.max_brightness);
}
- panel->backlight.enable(crtc_state, conn_state);
+ panel->backlight.funcs->enable(crtc_state, conn_state, panel->backlight.level);
panel->backlight.enabled = true;
if (panel->backlight.device)
panel->backlight.device->props.power = FB_BLANK_UNBLANK;
@@ -1234,7 +1233,7 @@ static u32 intel_panel_get_backlight(struct intel_connector *connector)
mutex_lock(&dev_priv->backlight_lock);
if (panel->backlight.enabled) {
- val = panel->backlight.get(connector);
+ val = panel->backlight.funcs->get(connector);
val = intel_panel_compute_brightness(connector, val);
}
@@ -1567,13 +1566,13 @@ static u32 get_backlight_max_vbt(struct intel_connector *connector)
u16 pwm_freq_hz = get_vbt_pwm_freq(dev_priv);
u32 pwm;
- if (!panel->backlight.hz_to_pwm) {
+ if (!panel->backlight.funcs->hz_to_pwm) {
drm_dbg_kms(&dev_priv->drm,
"backlight frequency conversion not supported\n");
return 0;
}
- pwm = panel->backlight.hz_to_pwm(connector, pwm_freq_hz);
+ pwm = panel->backlight.funcs->hz_to_pwm(connector, pwm_freq_hz);
if (!pwm) {
drm_dbg_kms(&dev_priv->drm,
"backlight frequency conversion failed\n");
@@ -1890,8 +1889,8 @@ cnp_setup_backlight(struct intel_connector *connector, enum pipe unused)
return 0;
}
-static int pwm_setup_backlight(struct intel_connector *connector,
- enum pipe pipe)
+static int ext_pwm_setup_backlight(struct intel_connector *connector,
+ enum pipe pipe)
{
struct drm_device *dev = connector->base.dev;
struct drm_i915_private *dev_priv = to_i915(dev);
@@ -1981,12 +1980,12 @@ int intel_panel_setup_backlight(struct drm_connector *connector, enum pipe pipe)
}
/* ensure intel_panel has been initialized first */
- if (drm_WARN_ON(&dev_priv->drm, !panel->backlight.setup))
+ if (drm_WARN_ON(&dev_priv->drm, !panel->backlight.funcs))
return -ENODEV;
/* set level and max in panel struct */
mutex_lock(&dev_priv->backlight_lock);
- ret = panel->backlight.setup(intel_connector, pipe);
+ ret = panel->backlight.funcs->setup(intel_connector, pipe);
mutex_unlock(&dev_priv->backlight_lock);
if (ret) {
@@ -2016,6 +2015,86 @@ static void intel_panel_destroy_backlight(struct intel_panel *panel)
panel->backlight.present = false;
}
+static const struct intel_panel_bl_funcs bxt_funcs = {
+ .setup = bxt_setup_backlight,
+ .enable = bxt_enable_backlight,
+ .disable = bxt_disable_backlight,
+ .set = bxt_set_backlight,
+ .get = bxt_get_backlight,
+ .hz_to_pwm = bxt_hz_to_pwm,
+};
+
+static const struct intel_panel_bl_funcs cnp_funcs = {
+ .setup = cnp_setup_backlight,
+ .enable = cnp_enable_backlight,
+ .disable = cnp_disable_backlight,
+ .set = bxt_set_backlight,
+ .get = bxt_get_backlight,
+ .hz_to_pwm = cnp_hz_to_pwm,
+};
+
+static const struct intel_panel_bl_funcs lpt_funcs = {
+ .setup = lpt_setup_backlight,
+ .enable = lpt_enable_backlight,
+ .disable = lpt_disable_backlight,
+ .set = lpt_set_backlight,
+ .get = lpt_get_backlight,
+ .hz_to_pwm = lpt_hz_to_pwm,
+};
+
+static const struct intel_panel_bl_funcs spt_funcs = {
+ .setup = lpt_setup_backlight,
+ .enable = lpt_enable_backlight,
+ .disable = lpt_disable_backlight,
+ .set = lpt_set_backlight,
+ .get = lpt_get_backlight,
+ .hz_to_pwm = spt_hz_to_pwm,
+};
+
+static const struct intel_panel_bl_funcs pch_funcs = {
+ .setup = pch_setup_backlight,
+ .enable = pch_enable_backlight,
+ .disable = pch_disable_backlight,
+ .set = pch_set_backlight,
+ .get = pch_get_backlight,
+ .hz_to_pwm = pch_hz_to_pwm,
+};
+
+static const struct intel_panel_bl_funcs ext_pwm_funcs = {
+ .setup = ext_pwm_setup_backlight,
+ .enable = ext_pwm_enable_backlight,
+ .disable = ext_pwm_disable_backlight,
+ .set = ext_pwm_set_backlight,
+ .get = ext_pwm_get_backlight,
+};
+
+static const struct intel_panel_bl_funcs vlv_funcs = {
+ .setup = vlv_setup_backlight,
+ .enable = vlv_enable_backlight,
+ .disable = vlv_disable_backlight,
+ .set = vlv_set_backlight,
+ .get = vlv_get_backlight,
+ .hz_to_pwm = vlv_hz_to_pwm,
+};
+
+static const struct intel_panel_bl_funcs i965_funcs = {
+ .setup = i965_setup_backlight,
+ .enable = i965_enable_backlight,
+ .disable = i965_disable_backlight,
+ .set = i9xx_set_backlight,
+ .get = i9xx_get_backlight,
+ .hz_to_pwm = i965_hz_to_pwm,
+};
+
+static const struct intel_panel_bl_funcs i9xx_funcs = {
+ .setup = i9xx_setup_backlight,
+ .enable = i9xx_enable_backlight,
+ .disable = i9xx_disable_backlight,
+ .set = i9xx_set_backlight,
+ .get = i9xx_get_backlight,
+ .hz_to_pwm = i9xx_hz_to_pwm,
+};
+
/* Set up chip specific backlight functions */
static void
intel_panel_init_backlight_funcs(struct intel_panel *panel)
@@ -2033,65 +2112,26 @@ intel_panel_init_backlight_funcs(struct intel_panel *panel)
return;
if (IS_GEN9_LP(dev_priv)) {
- panel->backlight.setup = bxt_setup_backlight;
- panel->backlight.enable = bxt_enable_backlight;
- panel->backlight.disable = bxt_disable_backlight;
- panel->backlight.set = bxt_set_backlight;
- panel->backlight.get = bxt_get_backlight;
- panel->backlight.hz_to_pwm = bxt_hz_to_pwm;
+ panel->backlight.funcs = &bxt_funcs;
} else if (INTEL_PCH_TYPE(dev_priv) >= PCH_CNP) {
- panel->backlight.setup = cnp_setup_backlight;
- panel->backlight.enable = cnp_enable_backlight;
- panel->backlight.disable = cnp_disable_backlight;
- panel->backlight.set = bxt_set_backlight;
- panel->backlight.get = bxt_get_backlight;
- panel->backlight.hz_to_pwm = cnp_hz_to_pwm;
+ panel->backlight.funcs = &cnp_funcs;
} else if (INTEL_PCH_TYPE(dev_priv) >= PCH_LPT) {
- panel->backlight.setup = lpt_setup_backlight;
- panel->backlight.enable = lpt_enable_backlight;
- panel->backlight.disable = lpt_disable_backlight;
- panel->backlight.set = lpt_set_backlight;
- panel->backlight.get = lpt_get_backlight;
if (HAS_PCH_LPT(dev_priv))
- panel->backlight.hz_to_pwm = lpt_hz_to_pwm;
+ panel->backlight.funcs = &lpt_funcs;
else
- panel->backlight.hz_to_pwm = spt_hz_to_pwm;
+ panel->backlight.funcs = &spt_funcs;
} else if (HAS_PCH_SPLIT(dev_priv)) {
- panel->backlight.setup = pch_setup_backlight;
- panel->backlight.enable = pch_enable_backlight;
- panel->backlight.disable = pch_disable_backlight;
- panel->backlight.set = pch_set_backlight;
- panel->backlight.get = pch_get_backlight;
- panel->backlight.hz_to_pwm = pch_hz_to_pwm;
+ panel->backlight.funcs = &pch_funcs;
} else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) {
if (connector->base.connector_type == DRM_MODE_CONNECTOR_DSI) {
- panel->backlight.setup = pwm_setup_backlight;
- panel->backlight.enable = pwm_enable_backlight;
- panel->backlight.disable = pwm_disable_backlight;
- panel->backlight.set = pwm_set_backlight;
- panel->backlight.get = pwm_get_backlight;
+ panel->backlight.funcs = &ext_pwm_funcs;
} else {
- panel->backlight.setup = vlv_setup_backlight;
- panel->backlight.enable = vlv_enable_backlight;
- panel->backlight.disable = vlv_disable_backlight;
- panel->backlight.set = vlv_set_backlight;
- panel->backlight.get = vlv_get_backlight;
- panel->backlight.hz_to_pwm = vlv_hz_to_pwm;
+ panel->backlight.funcs = &vlv_funcs;
}
} else if (IS_GEN(dev_priv, 4)) {
- panel->backlight.setup = i965_setup_backlight;
- panel->backlight.enable = i965_enable_backlight;
- panel->backlight.disable = i965_disable_backlight;
- panel->backlight.set = i9xx_set_backlight;
- panel->backlight.get = i9xx_get_backlight;
- panel->backlight.hz_to_pwm = i965_hz_to_pwm;
+ panel->backlight.funcs = &i965_funcs;
} else {
- panel->backlight.setup = i9xx_setup_backlight;
- panel->backlight.enable = i9xx_enable_backlight;
- panel->backlight.disable = i9xx_disable_backlight;
- panel->backlight.set = i9xx_set_backlight;
- panel->backlight.get = i9xx_get_backlight;
- panel->backlight.hz_to_pwm = i9xx_hz_to_pwm;
+ panel->backlight.funcs = &i9xx_funcs;
}
}
generated by cgit v1.2.3 (git 2.39.1) at 2025-03-31 14:31:16 +0000