Hi,
On Wed, Feb 28, 2018 at 01:26:04PM +0200, Tomi Valkeinen wrote:
From: Benoit Parrot bparrot@ti.com
When dispc_wb_setup() calls dispc_ovl_setup_common() it does not check for failure but instead keeps on partially setting up WB. This causes the WB H/W to be partially initialized and yield unexpected behavior.
Make sure return code is successful before proceeding.
Signed-off-by: Benoit Parrot bparrot@ti.com Signed-off-by: Tomi Valkeinen tomi.valkeinen@ti.com Reviewed-by: Laurent Pinchart laurent.pinchart@ideasonboard.com
Reviewed-by: Sebastian Reichel sebastian.reichel@collabora.co.uk
-- Sebastian
drivers/gpu/drm/omapdrm/dss/dispc.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/omapdrm/dss/dispc.c b/drivers/gpu/drm/omapdrm/dss/dispc.c index d2d95c76a313..f0f729fc4ca2 100644 --- a/drivers/gpu/drm/omapdrm/dss/dispc.c +++ b/drivers/gpu/drm/omapdrm/dss/dispc.c @@ -2783,6 +2783,8 @@ int dispc_wb_setup(struct dispc_device *dispc, wi->height, wi->fourcc, wi->rotation, zorder, wi->pre_mult_alpha, global_alpha, wi->rotation_type, replication, vm, mem_to_mem);
if (r)
return r;switch (wi->fourcc) { case DRM_FORMAT_RGB565:
@@ -2823,7 +2825,7 @@ int dispc_wb_setup(struct dispc_device *dispc, REG_FLD_MOD(dispc, DISPC_OVL_ATTRIBUTES2(plane), wbdelay, 7, 0); }
- return r;
- return 0;
}
static int dispc_ovl_enable(struct dispc_device *dispc,
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