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Message-Id: <1587406337-32317-1-git-send-email-jrdr.linux@gmail.com>
Date: Mon, 20 Apr 2020 23:42:17 +0530
From: Souptick Joarder <jrdr.linux@...il.com>
To: patrik.r.jakobsson@...il.com, airlied@...ux.ie, daniel@...ll.ch
Cc: dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
Souptick Joarder <jrdr.linux@...il.com>
Subject: [PATCH] drm/gma500: Remove dead code
These are dead code since 3.7. If there is no plan to use them further,
these can be removed forever.
Signed-off-by: Souptick Joarder <jrdr.linux@...il.com>
---
drivers/gpu/drm/gma500/cdv_intel_dp.c | 31 +--------
drivers/gpu/drm/gma500/cdv_intel_lvds.c | 83 -----------------------
drivers/gpu/drm/gma500/mdfld_intel_display.c | 31 ---------
drivers/gpu/drm/gma500/psb_intel_sdvo.c | 99 ----------------------------
4 files changed, 1 insertion(+), 243 deletions(-)
diff --git a/drivers/gpu/drm/gma500/cdv_intel_dp.c b/drivers/gpu/drm/gma500/cdv_intel_dp.c
index 5772b2d..a9ed372 100644
--- a/drivers/gpu/drm/gma500/cdv_intel_dp.c
+++ b/drivers/gpu/drm/gma500/cdv_intel_dp.c
@@ -1271,37 +1271,8 @@ static void cdv_intel_dp_commit(struct drm_encoder *encoder)
return ((l >> s) & 3) << DP_TRAIN_PRE_EMPHASIS_SHIFT;
}
-
-#if 0
-static char *voltage_names[] = {
- "0.4V", "0.6V", "0.8V", "1.2V"
-};
-static char *pre_emph_names[] = {
- "0dB", "3.5dB", "6dB", "9.5dB"
-};
-static char *link_train_names[] = {
- "pattern 1", "pattern 2", "idle", "off"
-};
-#endif
-
#define CDV_DP_VOLTAGE_MAX DP_TRAIN_VOLTAGE_SWING_LEVEL_3
-/*
-static uint8_t
-cdv_intel_dp_pre_emphasis_max(uint8_t voltage_swing)
-{
- switch (voltage_swing & DP_TRAIN_VOLTAGE_SWING_MASK) {
- case DP_TRAIN_VOLTAGE_SWING_400:
- return DP_TRAIN_PRE_EMPHASIS_6;
- case DP_TRAIN_VOLTAGE_SWING_600:
- return DP_TRAIN_PRE_EMPHASIS_6;
- case DP_TRAIN_VOLTAGE_SWING_800:
- return DP_TRAIN_PRE_EMPHASIS_3_5;
- case DP_TRAIN_VOLTAGE_SWING_1200:
- default:
- return DP_TRAIN_PRE_EMPHASIS_0;
- }
-}
-*/
+
static void
cdv_intel_get_adjust_train(struct gma_encoder *encoder)
{
diff --git a/drivers/gpu/drm/gma500/cdv_intel_lvds.c b/drivers/gpu/drm/gma500/cdv_intel_lvds.c
index ea0a5d9..dffb86e 100644
--- a/drivers/gpu/drm/gma500/cdv_intel_lvds.c
+++ b/drivers/gpu/drm/gma500/cdv_intel_lvds.c
@@ -72,89 +72,6 @@ static u32 cdv_intel_lvds_get_max_backlight(struct drm_device *dev)
return retval;
}
-#if 0
-/*
- * Set LVDS backlight level by I2C command
- */
-static int cdv_lvds_i2c_set_brightness(struct drm_device *dev,
- unsigned int level)
-{
- struct drm_psb_private *dev_priv = dev->dev_private;
- struct psb_intel_i2c_chan *lvds_i2c_bus = dev_priv->lvds_i2c_bus;
- u8 out_buf[2];
- unsigned int blc_i2c_brightness;
-
- struct i2c_msg msgs[] = {
- {
- .addr = lvds_i2c_bus->slave_addr,
- .flags = 0,
- .len = 2,
- .buf = out_buf,
- }
- };
-
- blc_i2c_brightness = BRIGHTNESS_MASK & ((unsigned int)level *
- BRIGHTNESS_MASK /
- BRIGHTNESS_MAX_LEVEL);
-
- if (dev_priv->lvds_bl->pol == BLC_POLARITY_INVERSE)
- blc_i2c_brightness = BRIGHTNESS_MASK - blc_i2c_brightness;
-
- out_buf[0] = dev_priv->lvds_bl->brightnesscmd;
- out_buf[1] = (u8)blc_i2c_brightness;
-
- if (i2c_transfer(&lvds_i2c_bus->adapter, msgs, 1) == 1)
- return 0;
-
- DRM_ERROR("I2C transfer error\n");
- return -1;
-}
-
-
-static int cdv_lvds_pwm_set_brightness(struct drm_device *dev, int level)
-{
- struct drm_psb_private *dev_priv = dev->dev_private;
-
- u32 max_pwm_blc;
- u32 blc_pwm_duty_cycle;
-
- max_pwm_blc = cdv_intel_lvds_get_max_backlight(dev);
-
- /*BLC_PWM_CTL Should be initiated while backlight device init*/
- BUG_ON((max_pwm_blc & PSB_BLC_MAX_PWM_REG_FREQ) == 0);
-
- blc_pwm_duty_cycle = level * max_pwm_blc / BRIGHTNESS_MAX_LEVEL;
-
- if (dev_priv->lvds_bl->pol == BLC_POLARITY_INVERSE)
- blc_pwm_duty_cycle = max_pwm_blc - blc_pwm_duty_cycle;
-
- blc_pwm_duty_cycle &= PSB_BACKLIGHT_PWM_POLARITY_BIT_CLEAR;
- REG_WRITE(BLC_PWM_CTL,
- (max_pwm_blc << PSB_BACKLIGHT_PWM_CTL_SHIFT) |
- (blc_pwm_duty_cycle));
-
- return 0;
-}
-
-/*
- * Set LVDS backlight level either by I2C or PWM
- */
-void cdv_intel_lvds_set_brightness(struct drm_device *dev, int level)
-{
- struct drm_psb_private *dev_priv = dev->dev_private;
-
- if (!dev_priv->lvds_bl) {
- DRM_ERROR("NO LVDS Backlight Info\n");
- return;
- }
-
- if (dev_priv->lvds_bl->type == BLC_I2C_TYPE)
- cdv_lvds_i2c_set_brightness(dev, level);
- else
- cdv_lvds_pwm_set_brightness(dev, level);
-}
-#endif
-
/**
* Sets the backlight level.
*
diff --git a/drivers/gpu/drm/gma500/mdfld_intel_display.c b/drivers/gpu/drm/gma500/mdfld_intel_display.c
index 4fff110..aae2d35 100644
--- a/drivers/gpu/drm/gma500/mdfld_intel_display.c
+++ b/drivers/gpu/drm/gma500/mdfld_intel_display.c
@@ -658,16 +658,6 @@ static int mdfld_crtc_mode_set(struct drm_crtc *crtc,
dev_dbg(dev->dev, "pipe = 0x%x\n", pipe);
-#if 0
- if (pipe == 1) {
- if (!gma_power_begin(dev, true))
- return 0;
- android_hdmi_crtc_mode_set(crtc, mode, adjusted_mode,
- x, y, old_fb);
- goto mrst_crtc_mode_set_exit;
- }
-#endif
-
ret = check_fb(crtc->primary->fb);
if (ret)
return ret;
@@ -918,14 +908,6 @@ static int mdfld_crtc_mode_set(struct drm_crtc *crtc,
}
dpll = 0;
-#if 0 /* FIXME revisit later */
- if (ksel == KSEL_CRYSTAL_19 || ksel == KSEL_BYPASS_19 ||
- ksel == KSEL_BYPASS_25)
- dpll &= ~MDFLD_INPUT_REF_SEL;
- else if (ksel == KSEL_BYPASS_83_100)
- dpll |= MDFLD_INPUT_REF_SEL;
-#endif /* FIXME revisit later */
-
if (is_hdmi)
dpll |= MDFLD_VCO_SEL;
@@ -935,20 +917,7 @@ static int mdfld_crtc_mode_set(struct drm_crtc *crtc,
/* compute bitmask from p1 value */
dpll |= (1 << (clock.p1 - 2)) << 17;
-#if 0 /* 1080p30 & 720p */
- dpll = 0x00050000;
- fp = 0x000001be;
-#endif
-#if 0 /* 480p */
- dpll = 0x02010000;
- fp = 0x000000d2;
-#endif
} else {
-#if 0 /*DBI_TPO_480x864*/
- dpll = 0x00020000;
- fp = 0x00000156;
-#endif /* DBI_TPO_480x864 */ /* get from spec. */
-
dpll = 0x00800000;
fp = 0x000000c1;
}
diff --git a/drivers/gpu/drm/gma500/psb_intel_sdvo.c b/drivers/gpu/drm/gma500/psb_intel_sdvo.c
index 264d7ad..68fb3d7 100644
--- a/drivers/gpu/drm/gma500/psb_intel_sdvo.c
+++ b/drivers/gpu/drm/gma500/psb_intel_sdvo.c
@@ -864,36 +864,6 @@ static bool psb_intel_sdvo_set_avi_infoframe(struct psb_intel_sdvo *psb_intel_sd
DRM_INFO("HDMI is not supported yet");
return false;
-#if 0
- struct dip_infoframe avi_if = {
- .type = DIP_TYPE_AVI,
- .ver = DIP_VERSION_AVI,
- .len = DIP_LEN_AVI,
- };
- uint8_t tx_rate = SDVO_HBUF_TX_VSYNC;
- uint8_t set_buf_index[2] = { 1, 0 };
- uint64_t *data = (uint64_t *)&avi_if;
- unsigned i;
-
- intel_dip_infoframe_csum(&avi_if);
-
- if (!psb_intel_sdvo_set_value(psb_intel_sdvo,
- SDVO_CMD_SET_HBUF_INDEX,
- set_buf_index, 2))
- return false;
-
- for (i = 0; i < sizeof(avi_if); i += 8) {
- if (!psb_intel_sdvo_set_value(psb_intel_sdvo,
- SDVO_CMD_SET_HBUF_DATA,
- data, 8))
- return false;
- data++;
- }
-
- return psb_intel_sdvo_set_value(psb_intel_sdvo,
- SDVO_CMD_SET_HBUF_TXRATE,
- &tx_rate, 1);
-#endif
}
static bool psb_intel_sdvo_set_tv_format(struct psb_intel_sdvo *psb_intel_sdvo)
@@ -1227,75 +1197,6 @@ static bool psb_intel_sdvo_get_capabilities(struct psb_intel_sdvo *psb_intel_sdv
return true;
}
-/* No use! */
-#if 0
-struct drm_connector* psb_intel_sdvo_find(struct drm_device *dev, int sdvoB)
-{
- struct drm_connector *connector = NULL;
- struct psb_intel_sdvo *iout = NULL;
- struct psb_intel_sdvo *sdvo;
-
- /* find the sdvo connector */
- list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
- iout = to_psb_intel_sdvo(connector);
-
- if (iout->type != INTEL_OUTPUT_SDVO)
- continue;
-
- sdvo = iout->dev_priv;
-
- if (sdvo->sdvo_reg == SDVOB && sdvoB)
- return connector;
-
- if (sdvo->sdvo_reg == SDVOC && !sdvoB)
- return connector;
-
- }
-
- return NULL;
-}
-
-int psb_intel_sdvo_supports_hotplug(struct drm_connector *connector)
-{
- u8 response[2];
- u8 status;
- struct psb_intel_sdvo *psb_intel_sdvo;
- DRM_DEBUG_KMS("\n");
-
- if (!connector)
- return 0;
-
- psb_intel_sdvo = to_psb_intel_sdvo(connector);
-
- return psb_intel_sdvo_get_value(psb_intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT,
- &response, 2) && response[0];
-}
-
-void psb_intel_sdvo_set_hotplug(struct drm_connector *connector, int on)
-{
- u8 response[2];
- u8 status;
- struct psb_intel_sdvo *psb_intel_sdvo = to_psb_intel_sdvo(connector);
-
- psb_intel_sdvo_write_cmd(psb_intel_sdvo, SDVO_CMD_GET_ACTIVE_HOT_PLUG, NULL, 0);
- psb_intel_sdvo_read_response(psb_intel_sdvo, &response, 2);
-
- if (on) {
- psb_intel_sdvo_write_cmd(psb_intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT, NULL, 0);
- status = psb_intel_sdvo_read_response(psb_intel_sdvo, &response, 2);
-
- psb_intel_sdvo_write_cmd(psb_intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG, &response, 2);
- } else {
- response[0] = 0;
- response[1] = 0;
- psb_intel_sdvo_write_cmd(psb_intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG, &response, 2);
- }
-
- psb_intel_sdvo_write_cmd(psb_intel_sdvo, SDVO_CMD_GET_ACTIVE_HOT_PLUG, NULL, 0);
- psb_intel_sdvo_read_response(psb_intel_sdvo, &response, 2);
-}
-#endif
-
static bool
psb_intel_sdvo_multifunc_encoder(struct psb_intel_sdvo *psb_intel_sdvo)
{
--
1.9.1
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