Instead of printing 0/1 for display flags like vsync high/low, use a
tri-state print (-1/0/1) to indicate the "undefined" state.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen at ti.com>
---
drivers/gpu/drm/omapdrm/dss/dispc.c | 20 +++++++++++++++-----
1 file changed, 15 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/omapdrm/dss/dispc.c
b/drivers/gpu/drm/omapdrm/dss/dispc.c
index 1db64edbbbfd..377bd97ec6c8 100644
--- a/drivers/gpu/drm/omapdrm/dss/dispc.c
+++ b/drivers/gpu/drm/omapdrm/dss/dispc.c
@@ -3210,6 +3210,16 @@ static void _dispc_mgr_set_lcd_timings(enum omap_channel
channel,
}
}
+static int vm_flag_to_int(enum display_flags flags, enum display_flags high,
+ enum display_flags low)
+{
+ if (flags & high)
+ return 1;
+ if (flags & low)
+ return -1;
+ return 0;
+}
+
/* change name to mode? */
static void dispc_mgr_set_timings(enum omap_channel channel,
const struct videomode *vm)
@@ -3239,11 +3249,11 @@ static void dispc_mgr_set_timings(enum omap_channel
channel,
t.hsync_len, t.hfront_porch, t.hback_porch,
t.vsync_len, t.vfront_porch, t.vback_porch);
DSSDBG("vsync_level %d hsync_level %d data_pclk_edge %d
de_level %d sync_pclk_edge %d\n",
- !!(t.flags & DISPLAY_FLAGS_VSYNC_HIGH),
- !!(t.flags & DISPLAY_FLAGS_HSYNC_HIGH),
- !!(t.flags & DISPLAY_FLAGS_PIXDATA_POSEDGE),
- !!(t.flags & DISPLAY_FLAGS_DE_HIGH),
- !!(t.flags & DISPLAY_FLAGS_SYNC_POSEDGE));
+ vm_flag_to_int(t.flags, DISPLAY_FLAGS_VSYNC_HIGH,
DISPLAY_FLAGS_VSYNC_LOW),
+ vm_flag_to_int(t.flags, DISPLAY_FLAGS_HSYNC_HIGH,
DISPLAY_FLAGS_HSYNC_LOW),
+ vm_flag_to_int(t.flags, DISPLAY_FLAGS_PIXDATA_POSEDGE,
DISPLAY_FLAGS_PIXDATA_NEGEDGE),
+ vm_flag_to_int(t.flags, DISPLAY_FLAGS_DE_HIGH,
DISPLAY_FLAGS_DE_LOW),
+ vm_flag_to_int(t.flags, DISPLAY_FLAGS_SYNC_POSEDGE,
DISPLAY_FLAGS_SYNC_NEGEDGE));
DSSDBG("hsync %luHz, vsync %luHz\n", ht, vt);
} else {
--
2.7.4
