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author | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2016-11-23 13:23:42 +0200 |
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committer | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2017-04-03 12:36:40 +0300 |
commit | 956d4f9308d027119282330b54859cf20d222710 (patch) | |
tree | ef104ac0b8f72a2c3f51c7653e524678c052d21e /drivers/gpu/drm/omapdrm | |
parent | 39135a305a0f0a82d60ceb79dcbf094fc4e70123 (diff) | |
download | op-kernel-dev-956d4f9308d027119282330b54859cf20d222710.zip op-kernel-dev-956d4f9308d027119282330b54859cf20d222710.tar.gz |
drm/omap: dispc: improve debug print of display flags
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>
Diffstat (limited to 'drivers/gpu/drm/omapdrm')
-rw-r--r-- | drivers/gpu/drm/omapdrm/dss/dispc.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/drivers/gpu/drm/omapdrm/dss/dispc.c b/drivers/gpu/drm/omapdrm/dss/dispc.c index 8324105..2e6a71d 100644 --- a/drivers/gpu/drm/omapdrm/dss/dispc.c +++ b/drivers/gpu/drm/omapdrm/dss/dispc.c @@ -3229,6 +3229,16 @@ 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) @@ -3258,11 +3268,11 @@ 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 { |