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| author | Andrzej Hajda <a.hajda@samsung.com> | 2016-11-18 10:14:19 +0100 |
|---|---|---|
| committer | Inki Dae <inki.dae@samsung.com> | 2016-12-13 18:47:03 -0800 |
| commit | fa7185d4219ea85690c07de42e4b62e4bfd9d933 (patch) | |
| tree | 6da435fcef3374da957a98777ea7ae048e22f913 | |
| parent | 86407312bd742693790476b0c64f0e523b953afc (diff) | |
| download | linux-exynos-fa7185d4219ea85690c07de42e4b62e4bfd9d933.tar.gz linux-exynos-fa7185d4219ea85690c07de42e4b62e4bfd9d933.tar.bz2 linux-exynos-fa7185d4219ea85690c07de42e4b62e4bfd9d933.zip | |
drm/bridge/sii8620: limit supported modes to MHL1/2 modes
MHL3 modes are unstable on MHL3 dongle working in compatibility mode.
The patch denies them until full MHL3 mode is supported.
Change-Id: I0e18ce16e6194c346dde8a67a864feb452cf7b12
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
| -rw-r--r-- | drivers/gpu/drm/bridge/sil-sii8620.c | 22 |
1 files changed, 5 insertions, 17 deletions
diff --git a/drivers/gpu/drm/bridge/sil-sii8620.c b/drivers/gpu/drm/bridge/sil-sii8620.c index cb0de123fa16..1ef5924f75bf 100644 --- a/drivers/gpu/drm/bridge/sil-sii8620.c +++ b/drivers/gpu/drm/bridge/sil-sii8620.c @@ -29,7 +29,9 @@ #include "sil-sii8620.h" -#define VAL_RX_HDMI_CTRL2_DEFVAL VAL_RX_HDMI_CTRL2_IDLE_CNT(3) +#define VAL_RX_HDMI_CTRL2_DEFVAL VAL_RX_HDMI_CTRL2_IDLE_CNT(3) +#define MHL1_MAX_CLOCK 74250 +#define MHL3_MAX_CLOCK 300000 enum sii8620_mode { CM_DISCONNECTED, @@ -1468,24 +1470,10 @@ bool sii8620_mode_fixup(struct drm_bridge *bridge, const struct drm_display_mode *mode, struct drm_display_mode *adjusted_mode) { - struct sii8620 *ctx = bridge_to_sii8620(bridge); - bool ret = false; - int max_clock = 74250; - - mutex_lock(&ctx->lock); - if (mode->flags & DRM_MODE_FLAG_INTERLACE) - goto out; - - if (ctx->devcap[MHL_DCAP_VID_LINK_MODE] & MHL_DCAP_VID_LINK_PPIXEL) - max_clock = 300000; + return false; - ret = mode->clock <= max_clock; - -out: - mutex_unlock(&ctx->lock); - - return ret; + return mode->clock <= MHL1_MAX_CLOCK; } static void sii8620_mhl_worker(struct work_struct *work) |