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| author | Philipp Zabel <p.zabel@pengutronix.de> | 2016-07-06 11:06:18 +0200 |
|---|---|---|
| committer | Philipp Zabel <p.zabel@pengutronix.de> | 2016-07-12 18:26:05 +0200 |
| commit | b575b31387f64f63019c88a0ddbf1e0cc0cd8cd9 (patch) | |
| tree | 427adc3374ccb4460fa2a6d2fe81ec3a8b04a417 /drivers/gpu/ipu-v3 | |
| parent | 4f7a5129134148ad917be5c4164a42823056a9f3 (diff) | |
| download | linux-b575b31387f64f63019c88a0ddbf1e0cc0cd8cd9.tar.gz linux-b575b31387f64f63019c88a0ddbf1e0cc0cd8cd9.tar.bz2 linux-b575b31387f64f63019c88a0ddbf1e0cc0cd8cd9.zip | |
gpu: ipu-v3: ipu-dc: don't bug out on invalid bus_format
If imx-drm is combined with a bridge or panel that requests an
unsupported format, warn and use a default mapping instead of
hanging the machine. The worst that can happen here are wrong
colors.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Diffstat (limited to 'drivers/gpu/ipu-v3')
| -rw-r--r-- | drivers/gpu/ipu-v3/ipu-dc.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/gpu/ipu-v3/ipu-dc.c b/drivers/gpu/ipu-v3/ipu-dc.c index cd72dadb0fd7..659475c1e44a 100644 --- a/drivers/gpu/ipu-v3/ipu-dc.c +++ b/drivers/gpu/ipu-v3/ipu-dc.c @@ -150,6 +150,9 @@ static void dc_write_tmpl(struct ipu_dc *dc, int word, u32 opcode, u32 operand, static int ipu_bus_format_to_map(u32 fmt) { switch (fmt) { + default: + WARN_ON(1); + /* fall-through */ case MEDIA_BUS_FMT_RGB888_1X24: return IPU_DC_MAP_RGB24; case MEDIA_BUS_FMT_RGB565_1X16: @@ -162,8 +165,6 @@ static int ipu_bus_format_to_map(u32 fmt) return IPU_DC_MAP_LVDS666; case MEDIA_BUS_FMT_BGR888_1X24: return IPU_DC_MAP_BGR24; - default: - return -EINVAL; } } @@ -178,7 +179,6 @@ int ipu_dc_init_sync(struct ipu_dc *dc, struct ipu_di *di, bool interlaced, dc->di = ipu_di_get_num(di); map = ipu_bus_format_to_map(bus_format); - BUG_ON(map < 0); /* * In interlaced mode we need more counters to create the asymmetric |