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path: root/drivers/gpu/ipu-v3/ipu-di.c
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Diffstat (limited to 'drivers/gpu/ipu-v3/ipu-di.c')
-rw-r--r--drivers/gpu/ipu-v3/ipu-di.c16
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/gpu/ipu-v3/ipu-di.c b/drivers/gpu/ipu-v3/ipu-di.c
index b4a31d506fcc..0a34e0ab4fe6 100644
--- a/drivers/gpu/ipu-v3/ipu-di.c
+++ b/drivers/gpu/ipu-v3/ipu-di.c
@@ -310,10 +310,6 @@ static void ipu_di_sync_config_noninterlaced(struct ipu_di *di,
/* unused */
} , {
/* unused */
- } , {
- /* unused */
- } , {
- /* unused */
},
};
/* can't use #7 and #8 for line active and pixel active counters */
@@ -451,8 +447,9 @@ static void ipu_di_config_clock(struct ipu_di *di,
error = rate / (sig->mode.pixelclock / 1000);
- dev_dbg(di->ipu->dev, " IPU clock can give %lu with divider %u, error %d.%u%%\n",
- rate, div, (signed)(error - 1000) / 10, error % 10);
+ dev_dbg(di->ipu->dev, " IPU clock can give %lu with divider %u, error %c%d.%d%%\n",
+ rate, div, error < 1000 ? '-' : '+',
+ abs(error - 1000) / 10, abs(error - 1000) % 10);
/* Allow a 1% error */
if (error < 1010 && error >= 990) {
@@ -510,6 +507,13 @@ int ipu_di_adjust_videomode(struct ipu_di *di, struct videomode *mode)
{
u32 diff;
+ if (!IS_ALIGNED(mode->hactive, 8) &&
+ mode->hfront_porch < ALIGN(mode->hactive, 8) - mode->hactive) {
+ dev_err(di->ipu->dev, "hactive %d is not aligned to 8 and front porch is too small to compensate\n",
+ mode->hactive);
+ return -EINVAL;
+ }
+
if (mode->vfront_porch >= 2)
return 0;