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| author | Benoit Parrot <bparrot@ti.com> | 2016-05-16 16:42:50 -0500 |
|---|---|---|
| committer | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2018-03-01 09:18:18 +0200 |
| commit | 9deb5ad3c47ead2b3c63e44435e9eff0f6f38835 (patch) | |
| tree | 54b38d34ef5118bd48462cb091351a25ee26b783 /drivers/gpu/drm/omapdrm/dss/dispc.c | |
| parent | b5d025eff5206300be0f59bfe10c5b9e1c895af4 (diff) | |
| download | linux-9deb5ad3c47ead2b3c63e44435e9eff0f6f38835.tar.bz2 | |
drm/omap: Add pclk setting case when channel is DSS_WB
In dispc_set_ovl_common() we need to initialize pclk to a valid
value when we use WB in capture mode (i.e. mem_2_mem is false).
Otherwise dispc_ovl_calc_scaling() fails.
Signed-off-by: Benoit Parrot <bparrot@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Diffstat (limited to 'drivers/gpu/drm/omapdrm/dss/dispc.c')
| -rw-r--r-- | drivers/gpu/drm/omapdrm/dss/dispc.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/omapdrm/dss/dispc.c b/drivers/gpu/drm/omapdrm/dss/dispc.c index f0f729fc4ca2..3ad56b30c90a 100644 --- a/drivers/gpu/drm/omapdrm/dss/dispc.c +++ b/drivers/gpu/drm/omapdrm/dss/dispc.c @@ -2590,6 +2590,10 @@ static int dispc_ovl_setup_common(struct dispc_device *dispc, unsigned long pclk = dispc_plane_pclk_rate(dispc, plane); unsigned long lclk = dispc_plane_lclk_rate(dispc, plane); + /* when setting up WB, dispc_plane_pclk_rate() returns 0 */ + if (plane == OMAP_DSS_WB) + pclk = vm->pixelclock; + if (paddr == 0 && rotation_type != OMAP_DSS_ROT_TILER) return -EINVAL; |