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-rw-r--r--drivers/gpu/drm/bridge/ite-it66121.c49
1 files changed, 10 insertions, 39 deletions
diff --git a/drivers/gpu/drm/bridge/ite-it66121.c b/drivers/gpu/drm/bridge/ite-it66121.c
index bfb9c87a7019..06fa59ae5ffc 100644
--- a/drivers/gpu/drm/bridge/ite-it66121.c
+++ b/drivers/gpu/drm/bridge/ite-it66121.c
@@ -515,16 +515,6 @@ static int it66121_get_edid_block(void *context, u8 *buf,
offset = (block % 2) * len;
block = block / 2;
- ret = regmap_read(ctx->regmap, IT66121_INT_STATUS1_REG, &val);
- if (ret)
- return ret;
-
- if (val & IT66121_INT_STATUS1_DDC_BUSHANG) {
- ret = it66121_abort_ddc_ops(ctx);
- if (ret)
- return ret;
- }
-
ret = it66121_clear_ddc_fifo(ctx);
if (ret)
return ret;
@@ -545,16 +535,6 @@ static int it66121_get_edid_block(void *context, u8 *buf,
if (ret)
return ret;
- ret = regmap_read(ctx->regmap, IT66121_INT_STATUS1_REG, &val);
- if (ret)
- return ret;
-
- if (val & IT66121_INT_STATUS1_DDC_BUSHANG) {
- ret = it66121_abort_ddc_ops(ctx);
- if (ret)
- return ret;
- }
-
ret = it66121_preamble_ddc(ctx);
if (ret)
return ret;
@@ -585,8 +565,10 @@ static int it66121_get_edid_block(void *context, u8 *buf,
remain -= cnt;
ret = it66121_wait_ddc_ready(ctx);
- if (ret)
+ if (ret) {
+ it66121_abort_ddc_ops(ctx);
return ret;
+ }
ret = regmap_noinc_read(ctx->regmap, IT66121_DDC_RD_FIFO_REG,
buf, cnt);
@@ -671,11 +653,7 @@ static int it66121_bridge_attach(struct drm_bridge *bridge,
/* Per programming manual, sleep here for bridge to settle */
msleep(50);
- /* Start interrupts */
- return regmap_write_bits(ctx->regmap, IT66121_INT_MASK1_REG,
- IT66121_INT_MASK1_DDC_NOACK |
- IT66121_INT_MASK1_DDC_FIFOERR |
- IT66121_INT_MASK1_DDC_BUSHANG, 0);
+ return 0;
}
static int it66121_set_mute(struct it66121_ctx *ctx, bool mute)
@@ -926,21 +904,14 @@ static irqreturn_t it66121_irq_threaded_handler(int irq, void *dev_id)
ret = regmap_read(ctx->regmap, IT66121_INT_STATUS1_REG, &val);
if (ret) {
dev_err(dev, "Cannot read STATUS1_REG %d\n", ret);
- } else {
- if (val & IT66121_INT_STATUS1_DDC_FIFOERR)
- it66121_clear_ddc_fifo(ctx);
- if (val & (IT66121_INT_STATUS1_DDC_BUSHANG |
- IT66121_INT_STATUS1_DDC_NOACK))
- it66121_abort_ddc_ops(ctx);
- if (val & IT66121_INT_STATUS1_HPD_STATUS) {
- regmap_write_bits(ctx->regmap, IT66121_INT_CLR1_REG,
- IT66121_INT_CLR1_HPD, IT66121_INT_CLR1_HPD);
+ } else if (val & IT66121_INT_STATUS1_HPD_STATUS) {
+ regmap_write_bits(ctx->regmap, IT66121_INT_CLR1_REG,
+ IT66121_INT_CLR1_HPD, IT66121_INT_CLR1_HPD);
- status = it66121_is_hpd_detect(ctx) ? connector_status_connected
- : connector_status_disconnected;
+ status = it66121_is_hpd_detect(ctx) ? connector_status_connected
+ : connector_status_disconnected;
- event = true;
- }
+ event = true;
}
regmap_write_bits(ctx->regmap, IT66121_SYS_STATUS_REG,