summaryrefslogtreecommitdiffstats
path: root/drivers/gpu
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/i915/i915_drv.h1
-rw-r--r--drivers/gpu/drm/i915/intel_ddi.c13
-rw-r--r--drivers/gpu/drm/i915/intel_display.c21
-rw-r--r--drivers/gpu/drm/i915/intel_drv.h3
-rw-r--r--drivers/gpu/drm/imx/imx-ldb.c9
-rw-r--r--drivers/gpu/ipu-v3/ipu-csi.c3
6 files changed, 41 insertions, 9 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 52f3b91d14fd..71e1aa54f774 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -652,6 +652,7 @@ enum intel_sbi_destination {
#define QUIRK_BACKLIGHT_PRESENT (1<<3)
#define QUIRK_PIN_SWIZZLED_PAGES (1<<5)
#define QUIRK_INCREASE_T12_DELAY (1<<6)
+#define QUIRK_INCREASE_DDI_DISABLED_TIME (1<<7)
struct intel_fbdev;
struct intel_fbc_work;
diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
index f4a8598a2d39..fed26d6e4e27 100644
--- a/drivers/gpu/drm/i915/intel_ddi.c
+++ b/drivers/gpu/drm/i915/intel_ddi.c
@@ -1782,15 +1782,24 @@ void intel_ddi_enable_transcoder_func(const struct intel_crtc_state *crtc_state)
I915_WRITE(TRANS_DDI_FUNC_CTL(cpu_transcoder), temp);
}
-void intel_ddi_disable_transcoder_func(struct drm_i915_private *dev_priv,
- enum transcoder cpu_transcoder)
+void intel_ddi_disable_transcoder_func(const struct intel_crtc_state *crtc_state)
{
+ struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc);
+ struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
+ enum transcoder cpu_transcoder = crtc_state->cpu_transcoder;
i915_reg_t reg = TRANS_DDI_FUNC_CTL(cpu_transcoder);
uint32_t val = I915_READ(reg);
val &= ~(TRANS_DDI_FUNC_ENABLE | TRANS_DDI_PORT_MASK | TRANS_DDI_DP_VC_PAYLOAD_ALLOC);
val |= TRANS_DDI_PORT_NONE;
I915_WRITE(reg, val);
+
+ if (dev_priv->quirks & QUIRK_INCREASE_DDI_DISABLED_TIME &&
+ intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) {
+ DRM_DEBUG_KMS("Quirk Increase DDI disabled time\n");
+ /* Quirk time at 100ms for reliable operation */
+ msleep(100);
+ }
}
int intel_ddi_toggle_hdcp_signalling(struct intel_encoder *intel_encoder,
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 2cc6faa1daa8..dec0d60921bf 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -5809,7 +5809,7 @@ static void haswell_crtc_disable(struct intel_crtc_state *old_crtc_state,
intel_ddi_set_vc_payload_alloc(intel_crtc->config, false);
if (!transcoder_is_dsi(cpu_transcoder))
- intel_ddi_disable_transcoder_func(dev_priv, cpu_transcoder);
+ intel_ddi_disable_transcoder_func(old_crtc_state);
if (INTEL_GEN(dev_priv) >= 9)
skylake_scaler_disable(intel_crtc);
@@ -14646,6 +14646,18 @@ static void quirk_increase_t12_delay(struct drm_device *dev)
DRM_INFO("Applying T12 delay quirk\n");
}
+/*
+ * GeminiLake NUC HDMI outputs require additional off time
+ * this allows the onboard retimer to correctly sync to signal
+ */
+static void quirk_increase_ddi_disabled_time(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = to_i915(dev);
+
+ dev_priv->quirks |= QUIRK_INCREASE_DDI_DISABLED_TIME;
+ DRM_INFO("Applying Increase DDI Disabled quirk\n");
+}
+
struct intel_quirk {
int device;
int subsystem_vendor;
@@ -14732,6 +14744,13 @@ static struct intel_quirk intel_quirks[] = {
/* Toshiba Satellite P50-C-18C */
{ 0x191B, 0x1179, 0xF840, quirk_increase_t12_delay },
+
+ /* GeminiLake NUC */
+ { 0x3185, 0x8086, 0x2072, quirk_increase_ddi_disabled_time },
+ { 0x3184, 0x8086, 0x2072, quirk_increase_ddi_disabled_time },
+ /* ASRock ITX*/
+ { 0x3185, 0x1849, 0x2212, quirk_increase_ddi_disabled_time },
+ { 0x3184, 0x1849, 0x2212, quirk_increase_ddi_disabled_time },
};
static void intel_init_quirks(struct drm_device *dev)
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 0361130500a6..b8eefbffc77d 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -1388,8 +1388,7 @@ void hsw_fdi_link_train(struct intel_crtc *crtc,
void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port);
bool intel_ddi_get_hw_state(struct intel_encoder *encoder, enum pipe *pipe);
void intel_ddi_enable_transcoder_func(const struct intel_crtc_state *crtc_state);
-void intel_ddi_disable_transcoder_func(struct drm_i915_private *dev_priv,
- enum transcoder cpu_transcoder);
+void intel_ddi_disable_transcoder_func(const struct intel_crtc_state *crtc_state);
void intel_ddi_enable_pipe_clock(const struct intel_crtc_state *crtc_state);
void intel_ddi_disable_pipe_clock(const struct intel_crtc_state *crtc_state);
struct intel_encoder *
diff --git a/drivers/gpu/drm/imx/imx-ldb.c b/drivers/gpu/drm/imx/imx-ldb.c
index 56dd7a9a8e25..dd5312b02a8d 100644
--- a/drivers/gpu/drm/imx/imx-ldb.c
+++ b/drivers/gpu/drm/imx/imx-ldb.c
@@ -612,6 +612,9 @@ static int imx_ldb_bind(struct device *dev, struct device *master, void *data)
return PTR_ERR(imx_ldb->regmap);
}
+ /* disable LDB by resetting the control register to POR default */
+ regmap_write(imx_ldb->regmap, IOMUXC_GPR2, 0);
+
imx_ldb->dev = dev;
if (of_id)
@@ -652,14 +655,14 @@ static int imx_ldb_bind(struct device *dev, struct device *master, void *data)
if (ret || i < 0 || i > 1)
return -EINVAL;
+ if (!of_device_is_available(child))
+ continue;
+
if (dual && i > 0) {
dev_warn(dev, "dual-channel mode, ignoring second output\n");
continue;
}
- if (!of_device_is_available(child))
- continue;
-
channel = &imx_ldb->channel[i];
channel->ldb = imx_ldb;
channel->chno = i;
diff --git a/drivers/gpu/ipu-v3/ipu-csi.c b/drivers/gpu/ipu-v3/ipu-csi.c
index caa05b0702e1..5450a2db1219 100644
--- a/drivers/gpu/ipu-v3/ipu-csi.c
+++ b/drivers/gpu/ipu-v3/ipu-csi.c
@@ -339,7 +339,8 @@ static void fill_csi_bus_cfg(struct ipu_csi_bus_config *csicfg,
break;
case V4L2_MBUS_BT656:
csicfg->ext_vsync = 0;
- if (V4L2_FIELD_HAS_BOTH(mbus_fmt->field))
+ if (V4L2_FIELD_HAS_BOTH(mbus_fmt->field) ||
+ mbus_fmt->field == V4L2_FIELD_ALTERNATE)
csicfg->clk_mode = IPU_CSI_CLK_MODE_CCIR656_INTERLACED;
else
csicfg->clk_mode = IPU_CSI_CLK_MODE_CCIR656_PROGRESSIVE;