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| author | Paul Cercueil <paul@crapouillou.net> | 2022-12-14 13:58:15 +0100 |
|---|---|---|
| committer | Paul Cercueil <paul@crapouillou.net> | 2022-12-16 11:40:13 +0100 |
| commit | 6ba98fd6df6536c9d59b2a6576673265864b624d (patch) | |
| tree | 63103b296011e5fba256e9e818e723883d04d335 /drivers/gpu | |
| parent | 315c9fb770c3f5376518c45db1ac20ac769150dd (diff) | |
| download | linux-stable-6ba98fd6df6536c9d59b2a6576673265864b624d.tar.gz linux-stable-6ba98fd6df6536c9d59b2a6576673265864b624d.tar.bz2 linux-stable-6ba98fd6df6536c9d59b2a6576673265864b624d.zip | |
drm: bridge: it66121: Write AVI infoframe with regmap_bulk_write()
Since all AVI infoframe registers are contiguous in the address space,
the AVI infoframe can be written in one go with regmap_bulk_write().
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Reviewed-by: Robert Foss <robert.foss@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20221214125821.12489-5-paul@crapouillou.net
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/bridge/ite-it66121.c | 27 |
1 files changed, 7 insertions, 20 deletions
diff --git a/drivers/gpu/drm/bridge/ite-it66121.c b/drivers/gpu/drm/bridge/ite-it66121.c index 12222840df30..0a4fdfd7af44 100644 --- a/drivers/gpu/drm/bridge/ite-it66121.c +++ b/drivers/gpu/drm/bridge/ite-it66121.c @@ -773,24 +773,9 @@ void it66121_bridge_mode_set(struct drm_bridge *bridge, const struct drm_display_mode *mode, const struct drm_display_mode *adjusted_mode) { - int ret, i; u8 buf[HDMI_INFOFRAME_SIZE(AVI)]; struct it66121_ctx *ctx = container_of(bridge, struct it66121_ctx, bridge); - const u16 aviinfo_reg[HDMI_AVI_INFOFRAME_SIZE] = { - IT66121_AVIINFO_DB1_REG, - IT66121_AVIINFO_DB2_REG, - IT66121_AVIINFO_DB3_REG, - IT66121_AVIINFO_DB4_REG, - IT66121_AVIINFO_DB5_REG, - IT66121_AVIINFO_DB6_REG, - IT66121_AVIINFO_DB7_REG, - IT66121_AVIINFO_DB8_REG, - IT66121_AVIINFO_DB9_REG, - IT66121_AVIINFO_DB10_REG, - IT66121_AVIINFO_DB11_REG, - IT66121_AVIINFO_DB12_REG, - IT66121_AVIINFO_DB13_REG - }; + int ret; mutex_lock(&ctx->lock); @@ -810,10 +795,12 @@ void it66121_bridge_mode_set(struct drm_bridge *bridge, } /* Write new AVI infoframe packet */ - for (i = 0; i < HDMI_AVI_INFOFRAME_SIZE; i++) { - if (regmap_write(ctx->regmap, aviinfo_reg[i], buf[i + HDMI_INFOFRAME_HEADER_SIZE])) - goto unlock; - } + ret = regmap_bulk_write(ctx->regmap, IT66121_AVIINFO_DB1_REG, + &buf[HDMI_INFOFRAME_HEADER_SIZE], + HDMI_AVI_INFOFRAME_SIZE); + if (ret) + goto unlock; + if (regmap_write(ctx->regmap, IT66121_AVIINFO_CSUM_REG, buf[3])) goto unlock; |