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@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 {