diff options
Diffstat (limited to 'drivers/gpu/drm/i2c')
-rw-r--r-- | drivers/gpu/drm/i2c/adv7511.c | 50 | ||||
-rw-r--r-- | drivers/gpu/drm/i2c/adv7511.h | 12 | ||||
-rw-r--r-- | drivers/gpu/drm/i2c/ch7006_drv.c | 2 | ||||
-rw-r--r-- | drivers/gpu/drm/i2c/sil164_drv.c | 2 | ||||
-rw-r--r-- | drivers/gpu/drm/i2c/tda998x_drv.c | 37 |
5 files changed, 57 insertions, 46 deletions
diff --git a/drivers/gpu/drm/i2c/adv7511.c b/drivers/gpu/drm/i2c/adv7511.c index 00416f23b..a02112ba1 100644 --- a/drivers/gpu/drm/i2c/adv7511.c +++ b/drivers/gpu/drm/i2c/adv7511.c @@ -136,6 +136,7 @@ static bool adv7511_register_volatile(struct device *dev, unsigned int reg) case ADV7511_REG_BKSV(3): case ADV7511_REG_BKSV(4): case ADV7511_REG_DDC_STATUS: + case ADV7511_REG_EDID_READ_CTRL: case ADV7511_REG_BSTATUS(0): case ADV7511_REG_BSTATUS(1): case ADV7511_REG_CHIP_ID_HIGH: @@ -362,24 +363,31 @@ static void adv7511_power_on(struct adv7511 *adv7511) { adv7511->current_edid_segment = -1; - regmap_write(adv7511->regmap, ADV7511_REG_INT(0), - ADV7511_INT0_EDID_READY); - regmap_write(adv7511->regmap, ADV7511_REG_INT(1), - ADV7511_INT1_DDC_ERROR); regmap_update_bits(adv7511->regmap, ADV7511_REG_POWER, ADV7511_POWER_POWER_DOWN, 0); + if (adv7511->i2c_main->irq) { + /* + * Documentation says the INT_ENABLE registers are reset in + * POWER_DOWN mode. My 7511w preserved the bits, however. + * Still, let's be safe and stick to the documentation. + */ + regmap_write(adv7511->regmap, ADV7511_REG_INT_ENABLE(0), + ADV7511_INT0_EDID_READY); + regmap_write(adv7511->regmap, ADV7511_REG_INT_ENABLE(1), + ADV7511_INT1_DDC_ERROR); + } /* - * Per spec it is allowed to pulse the HDP signal to indicate that the + * Per spec it is allowed to pulse the HPD signal to indicate that the * EDID information has changed. Some monitors do this when they wakeup - * from standby or are enabled. When the HDP goes low the adv7511 is + * from standby or are enabled. When the HPD goes low the adv7511 is * reset and the outputs are disabled which might cause the monitor to - * go to standby again. To avoid this we ignore the HDP pin for the + * go to standby again. To avoid this we ignore the HPD pin for the * first few seconds after enabling the output. */ regmap_update_bits(adv7511->regmap, ADV7511_REG_POWER2, - ADV7511_REG_POWER2_HDP_SRC_MASK, - ADV7511_REG_POWER2_HDP_SRC_NONE); + ADV7511_REG_POWER2_HPD_SRC_MASK, + ADV7511_REG_POWER2_HPD_SRC_NONE); /* * Most of the registers are reset during power down or when HPD is low. @@ -413,9 +421,9 @@ static bool adv7511_hpd(struct adv7511 *adv7511) if (ret < 0) return false; - if (irq0 & ADV7511_INT0_HDP) { + if (irq0 & ADV7511_INT0_HPD) { regmap_write(adv7511->regmap, ADV7511_REG_INT(0), - ADV7511_INT0_HDP); + ADV7511_INT0_HPD); return true; } @@ -438,7 +446,7 @@ static int adv7511_irq_process(struct adv7511 *adv7511) regmap_write(adv7511->regmap, ADV7511_REG_INT(0), irq0); regmap_write(adv7511->regmap, ADV7511_REG_INT(1), irq1); - if (irq0 & ADV7511_INT0_HDP && adv7511->encoder) + if (irq0 & ADV7511_INT0_HPD && adv7511->encoder) drm_helper_hpd_irq_event(adv7511->encoder->dev); if (irq0 & ADV7511_INT0_EDID_READY || irq1 & ADV7511_INT1_DDC_ERROR) { @@ -567,12 +575,14 @@ static int adv7511_get_modes(struct drm_encoder *encoder, /* Reading the EDID only works if the device is powered */ if (!adv7511->powered) { - regmap_write(adv7511->regmap, ADV7511_REG_INT(0), - ADV7511_INT0_EDID_READY); - regmap_write(adv7511->regmap, ADV7511_REG_INT(1), - ADV7511_INT1_DDC_ERROR); regmap_update_bits(adv7511->regmap, ADV7511_REG_POWER, ADV7511_POWER_POWER_DOWN, 0); + if (adv7511->i2c_main->irq) { + regmap_write(adv7511->regmap, ADV7511_REG_INT_ENABLE(0), + ADV7511_INT0_EDID_READY); + regmap_write(adv7511->regmap, ADV7511_REG_INT_ENABLE(1), + ADV7511_INT1_DDC_ERROR); + } adv7511->current_edid_segment = -1; } @@ -638,10 +648,10 @@ adv7511_encoder_detect(struct drm_encoder *encoder, if (adv7511->status == connector_status_connected) status = connector_status_disconnected; } else { - /* Renable HDP sensing */ + /* Renable HPD sensing */ regmap_update_bits(adv7511->regmap, ADV7511_REG_POWER2, - ADV7511_REG_POWER2_HDP_SRC_MASK, - ADV7511_REG_POWER2_HDP_SRC_BOTH); + ADV7511_REG_POWER2_HPD_SRC_MASK, + ADV7511_REG_POWER2_HPD_SRC_BOTH); } adv7511->status = status; @@ -752,7 +762,7 @@ static void adv7511_encoder_mode_set(struct drm_encoder *encoder, adv7511->f_tmds = mode->clock; } -static struct drm_encoder_slave_funcs adv7511_encoder_funcs = { +static const struct drm_encoder_slave_funcs adv7511_encoder_funcs = { .dpms = adv7511_encoder_dpms, .mode_valid = adv7511_encoder_mode_valid, .mode_set = adv7511_encoder_mode_set, diff --git a/drivers/gpu/drm/i2c/adv7511.h b/drivers/gpu/drm/i2c/adv7511.h index 6599ed538..38515b30c 100644 --- a/drivers/gpu/drm/i2c/adv7511.h +++ b/drivers/gpu/drm/i2c/adv7511.h @@ -90,7 +90,7 @@ #define ADV7511_CSC_ENABLE BIT(7) #define ADV7511_CSC_UPDATE_MODE BIT(5) -#define ADV7511_INT0_HDP BIT(7) +#define ADV7511_INT0_HPD BIT(7) #define ADV7511_INT0_VSYNC BIT(5) #define ADV7511_INT0_AUDIO_FIFO_FULL BIT(4) #define ADV7511_INT0_EDID_READY BIT(2) @@ -157,11 +157,11 @@ #define ADV7511_PACKET_ENABLE_SPARE2 BIT(1) #define ADV7511_PACKET_ENABLE_SPARE1 BIT(0) -#define ADV7511_REG_POWER2_HDP_SRC_MASK 0xc0 -#define ADV7511_REG_POWER2_HDP_SRC_BOTH 0x00 -#define ADV7511_REG_POWER2_HDP_SRC_HDP 0x40 -#define ADV7511_REG_POWER2_HDP_SRC_CEC 0x80 -#define ADV7511_REG_POWER2_HDP_SRC_NONE 0xc0 +#define ADV7511_REG_POWER2_HPD_SRC_MASK 0xc0 +#define ADV7511_REG_POWER2_HPD_SRC_BOTH 0x00 +#define ADV7511_REG_POWER2_HPD_SRC_HPD 0x40 +#define ADV7511_REG_POWER2_HPD_SRC_CEC 0x80 +#define ADV7511_REG_POWER2_HPD_SRC_NONE 0xc0 #define ADV7511_REG_POWER2_TDMS_ENABLE BIT(4) #define ADV7511_REG_POWER2_GATE_INPUT_CLK BIT(0) diff --git a/drivers/gpu/drm/i2c/ch7006_drv.c b/drivers/gpu/drm/i2c/ch7006_drv.c index d9a72c96e..90db5f4dc 100644 --- a/drivers/gpu/drm/i2c/ch7006_drv.c +++ b/drivers/gpu/drm/i2c/ch7006_drv.c @@ -371,7 +371,7 @@ static int ch7006_encoder_set_property(struct drm_encoder *encoder, return 0; } -static struct drm_encoder_slave_funcs ch7006_encoder_funcs = { +static const struct drm_encoder_slave_funcs ch7006_encoder_funcs = { .set_config = ch7006_encoder_set_config, .destroy = ch7006_encoder_destroy, .dpms = ch7006_encoder_dpms, diff --git a/drivers/gpu/drm/i2c/sil164_drv.c b/drivers/gpu/drm/i2c/sil164_drv.c index 002ce7874..c400428f6 100644 --- a/drivers/gpu/drm/i2c/sil164_drv.c +++ b/drivers/gpu/drm/i2c/sil164_drv.c @@ -341,7 +341,7 @@ sil164_encoder_destroy(struct drm_encoder *encoder) drm_i2c_encoder_destroy(encoder); } -static struct drm_encoder_slave_funcs sil164_encoder_funcs = { +static const struct drm_encoder_slave_funcs sil164_encoder_funcs = { .set_config = sil164_encoder_set_config, .destroy = sil164_encoder_destroy, .dpms = sil164_encoder_dpms, diff --git a/drivers/gpu/drm/i2c/tda998x_drv.c b/drivers/gpu/drm/i2c/tda998x_drv.c index 896b6aaf8..f8ee740c0 100644 --- a/drivers/gpu/drm/i2c/tda998x_drv.c +++ b/drivers/gpu/drm/i2c/tda998x_drv.c @@ -22,6 +22,7 @@ #include <sound/asoundef.h> #include <drm/drmP.h> +#include <drm/drm_atomic_helper.h> #include <drm/drm_crtc_helper.h> #include <drm/drm_edid.h> #include <drm/drm_of.h> @@ -855,18 +856,6 @@ static void tda998x_encoder_dpms(struct drm_encoder *encoder, int mode) priv->dpms = mode; } -static void -tda998x_encoder_save(struct drm_encoder *encoder) -{ - DBG(""); -} - -static void -tda998x_encoder_restore(struct drm_encoder *encoder) -{ - DBG(""); -} - static bool tda998x_encoder_mode_fixup(struct drm_encoder *encoder, const struct drm_display_mode *mode, @@ -878,7 +867,10 @@ tda998x_encoder_mode_fixup(struct drm_encoder *encoder, static int tda998x_connector_mode_valid(struct drm_connector *connector, struct drm_display_mode *mode) { - if (mode->clock > 150000) + /* TDA19988 dotclock can go up to 165MHz */ + struct tda998x_priv *priv = conn_to_tda998x_priv(connector); + + if (mode->clock > ((priv->rev == TDA19988) ? 165000 : 150000)) return MODE_CLOCK_HIGH; if (mode->htotal >= BIT(13)) return MODE_BAD_HVALUE; @@ -1351,8 +1343,6 @@ static void tda998x_encoder_commit(struct drm_encoder *encoder) static const struct drm_encoder_helper_funcs tda998x_encoder_helper_funcs = { .dpms = tda998x_encoder_dpms, - .save = tda998x_encoder_save, - .restore = tda998x_encoder_restore, .mode_fixup = tda998x_encoder_mode_fixup, .prepare = tda998x_encoder_prepare, .commit = tda998x_encoder_commit, @@ -1392,11 +1382,22 @@ static void tda998x_connector_destroy(struct drm_connector *connector) drm_connector_cleanup(connector); } +static int tda998x_connector_dpms(struct drm_connector *connector, int mode) +{ + if (drm_core_check_feature(connector->dev, DRIVER_ATOMIC)) + return drm_atomic_helper_connector_dpms(connector, mode); + else + return drm_helper_connector_dpms(connector, mode); +} + static const struct drm_connector_funcs tda998x_connector_funcs = { - .dpms = drm_helper_connector_dpms, + .dpms = tda998x_connector_dpms, + .reset = drm_atomic_helper_connector_reset, .fill_modes = drm_helper_probe_single_connector_modes, .detect = tda998x_connector_detect, .destroy = tda998x_connector_destroy, + .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, + .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, }; static int tda998x_bind(struct device *dev, struct device *master, void *data) @@ -1437,7 +1438,7 @@ static int tda998x_bind(struct device *dev, struct device *master, void *data) drm_encoder_helper_add(&priv->encoder, &tda998x_encoder_helper_funcs); ret = drm_encoder_init(drm, &priv->encoder, &tda998x_encoder_funcs, - DRM_MODE_ENCODER_TMDS); + DRM_MODE_ENCODER_TMDS, NULL); if (ret) goto err_encoder; @@ -1453,7 +1454,6 @@ static int tda998x_bind(struct device *dev, struct device *master, void *data) if (ret) goto err_sysfs; - priv->connector.encoder = &priv->encoder; drm_mode_connector_attach_encoder(&priv->connector, &priv->encoder); return 0; @@ -1472,6 +1472,7 @@ static void tda998x_unbind(struct device *dev, struct device *master, { struct tda998x_priv *priv = dev_get_drvdata(dev); + drm_connector_unregister(&priv->connector); drm_connector_cleanup(&priv->connector); drm_encoder_cleanup(&priv->encoder); tda998x_destroy(priv); |