From: Benoit Parrot <bpar...@ti.com>
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 <bpar...@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkei...@ti.com>
---
drivers/gpu/drm/omapdrm/dss/dispc.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/omapdrm/dss/dispc.c
b/drivers/gpu/drm/omapdrm/dss/dispc.c
index 30bcee6580f5..5e7bdff2821d 100644
--- a/drivers/gpu/drm/omapdrm/dss/dispc.c
+++ b/drivers/gpu/drm/omapdrm/dss/dispc.c
@@ -2488,6 +2488,10 @@ static int dispc_ovl_setup_common(enum omap_plane_id
plane,
unsigned long pclk = dispc_plane_pclk_rate(plane);
unsigned long lclk = dispc_plane_lclk_rate(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;
--
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