drm/bridge/sii8620: add MHL3 mode check helper

MHL3 modes differs significantly from MHL1 mode, this helper will be used
frequently to clearly distinguish them.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Archit Taneja <architt@codeaurora.org>
Link: http://patchwork.freedesktop.org/patch/msgid/1485935272-17337-3-git-send-email-a.hajda@samsung.com

diff --git a/drivers/gpu/drm/bridge/sil-sii8620.c b/drivers/gpu/drm/bridge/sil-sii8620.c
index 68cdf636c891b11d834dc040ac6bb428f4ef3dfa..50af78f07d9c0e2c550fa6527408040026c0bfad 100644 (file)
--- a/drivers/gpu/drm/bridge/sil-sii8620.c
+++ b/drivers/gpu/drm/bridge/sil-sii8620.c
@@ -227,6 +227,11 @@ static void sii8620_setbits(struct sii8620 *ctx, u16 addr, u8 mask, u8 val)
        sii8620_write(ctx, addr, val);
 }
 
+static inline bool sii8620_is_mhl3(struct sii8620 *ctx)
+{
+       return ctx->mode >= CM_MHL3;
+}
+
 static void sii8620_mt_cleanup(struct sii8620 *ctx)
 {
        struct sii8620_mt_msg *msg, *n;
@@ -724,7 +729,7 @@ static void sii8620_start_hdmi(struct sii8620 *ctx)
 
 static void sii8620_start_video(struct sii8620 *ctx)
 {
-       if (ctx->mode < CM_MHL3)
+       if (!sii8620_is_mhl3(ctx))
                sii8620_stop_video(ctx);
 
        switch (ctx->sink_type) {
@@ -838,7 +843,7 @@ static void sii8620_mhl_discover(struct sii8620 *ctx)
 
 static void sii8620_peer_specific_init(struct sii8620 *ctx)
 {
-       if (ctx->mode == CM_MHL3)
+       if (sii8620_is_mhl3(ctx))
                sii8620_write_seq_static(ctx,
                        REG_SYS_CTRL1, BIT_SYS_CTRL1_BLOCK_DDC_BY_HPD,
                        REG_EMSCINTRMASK1,