From 315c9fb770c3f5376518c45db1ac20ac769150dd Mon Sep 17 00:00:00 2001 From: Paul Cercueil Date: Wed, 14 Dec 2022 13:58:14 +0100 Subject: [PATCH] drm: bridge: it66121: Use regmap_noinc_read() Use regmap_noinc_read() instead of reading the data from the DDC FIFO one byte at a time. Signed-off-by: Paul Cercueil Reviewed-by: Robert Foss Link: https://patchwork.freedesktop.org/patch/msgid/20221214125821.12489-4-paul@crapouillou.net --- drivers/gpu/drm/bridge/ite-it66121.c | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/bridge/ite-it66121.c b/drivers/gpu/drm/bridge/ite-it66121.c index a698eec..1222284 100644 --- a/drivers/gpu/drm/bridge/ite-it66121.c +++ b/drivers/gpu/drm/bridge/ite-it66121.c @@ -589,13 +589,12 @@ static int it66121_get_edid_block(void *context, u8 *buf, if (ret) return ret; - do { - ret = regmap_read(ctx->regmap, IT66121_DDC_RD_FIFO_REG, &val); - if (ret) - return ret; - *(buf++) = val; - cnt--; - } while (cnt > 0); + ret = regmap_noinc_read(ctx->regmap, IT66121_DDC_RD_FIFO_REG, + buf, cnt); + if (ret) + return ret; + + buf += cnt; } return 0; -- 2.7.4