diff options
Diffstat (limited to 'drivers/gpu/drm/bridge')
| -rw-r--r-- | drivers/gpu/drm/bridge/ite-it66121.c | 28 |
1 files changed, 16 insertions, 12 deletions
diff --git a/drivers/gpu/drm/bridge/ite-it66121.c b/drivers/gpu/drm/bridge/ite-it66121.c index 5335d4abd7c5..7972003d4776 100644 --- a/drivers/gpu/drm/bridge/ite-it66121.c +++ b/drivers/gpu/drm/bridge/ite-it66121.c @@ -506,9 +506,6 @@ static int it66121_get_edid_block(void *context, u8 *buf, while (remain > 0) { cnt = (remain > IT66121_EDID_FIFO_SIZE) ? IT66121_EDID_FIFO_SIZE : remain; - ret = it66121_preamble_ddc(ctx); - if (ret) - return ret; ret = regmap_write(ctx->regmap, IT66121_DDC_COMMAND_REG, IT66121_DDC_COMMAND_FIFO_CLR); @@ -519,15 +516,6 @@ static int it66121_get_edid_block(void *context, u8 *buf, if (ret) return ret; - ret = it66121_preamble_ddc(ctx); - if (ret) - return ret; - - ret = regmap_write(ctx->regmap, IT66121_DDC_HEADER_REG, - IT66121_DDC_HEADER_EDID); - if (ret) - return ret; - ret = regmap_write(ctx->regmap, IT66121_DDC_OFFSET_REG, offset); if (ret) return ret; @@ -842,9 +830,25 @@ static struct edid *it66121_bridge_get_edid(struct drm_bridge *bridge, { struct it66121_ctx *ctx = container_of(bridge, struct it66121_ctx, bridge); struct edid *edid; + int ret; mutex_lock(&ctx->lock); + ret = it66121_preamble_ddc(ctx); + if (ret) { + edid = ERR_PTR(ret); + goto out_unlock; + } + + ret = regmap_write(ctx->regmap, IT66121_DDC_HEADER_REG, + IT66121_DDC_HEADER_EDID); + if (ret) { + edid = ERR_PTR(ret); + goto out_unlock; + } + edid = drm_do_get_edid(connector, it66121_get_edid_block, ctx); + +out_unlock: mutex_unlock(&ctx->lock); return edid; |