[PATCHv2 27/31] drm/omap: verify that display x-res is divisible by 8
Tomi Valkeinen
tomi.valkeinen at ti.com
Fri Feb 26 09:36:15 UTC 2016
DISPC requires the x resolution to be divisible by 8 when stall mode is
not used.
Add a check to the DPI driver to verify this.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen at ti.com>
---
drivers/gpu/drm/omapdrm/dss/dpi.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/omapdrm/dss/dpi.c b/drivers/gpu/drm/omapdrm/dss/dpi.c
index 7953e6a52346..557cf3bdcc4e 100644
--- a/drivers/gpu/drm/omapdrm/dss/dpi.c
+++ b/drivers/gpu/drm/omapdrm/dss/dpi.c
@@ -513,6 +513,9 @@ static int dpi_check_timings(struct omap_dss_device *dssdev,
struct dpi_clk_calc_ctx ctx;
bool ok;
+ if (timings->x_res % 8 != 0)
+ return -EINVAL;
+
if (mgr && !dispc_mgr_timings_ok(mgr->id, timings))
return -EINVAL;
--
2.5.0
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