To test decode_panel_timing add a panel-timings node and a DM test for decode panel timingd by matching the panel timing node parameters.
Signed-off-by: Nikhil M Jain n-jain1@ti.com --- arch/sandbox/dts/test.dts | 18 ++++++++++++++++++ test/dm/test-fdt.c | 35 +++++++++++++++++++++++++++++++++++ 2 files changed, 53 insertions(+)
diff --git a/arch/sandbox/dts/test.dts b/arch/sandbox/dts/test.dts index 8c05927670..f98f0152ee 100644 --- a/arch/sandbox/dts/test.dts +++ b/arch/sandbox/dts/test.dts @@ -342,6 +342,24 @@ vsync-len = <13>; }; }; + panel-timings { + clock-frequency = <6500000>; + hactive = <240>; + vactive = <320>; + hfront-porch = <6>; + hback-porch = <7>; + hsync-len = <1>; + vback-porch = <5>; + vfront-porch = <8>; + vsync-len = <2>; + hsync-active = <1>; + vsync-active = <0>; + de-active = <1>; + pixelclk-active = <1>; + interlaced; + doublescan; + doubleclk; + }; };
junk { diff --git a/test/dm/test-fdt.c b/test/dm/test-fdt.c index 7cd2d04612..b02c088060 100644 --- a/test/dm/test-fdt.c +++ b/test/dm/test-fdt.c @@ -1157,6 +1157,41 @@ static int dm_test_decode_display_timing(struct unit_test_state *uts) } DM_TEST(dm_test_decode_display_timing, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
+/* Test dev_decode_panel_timing() */ +static int dm_test_decode_panel_timing(struct unit_test_state *uts) +{ + struct udevice *dev; + struct display_timing timing; + + ut_assertok(uclass_first_device_err(UCLASS_TEST_FDT, &dev)); + ut_asserteq_str("a-test", dev->name); + + ut_assertok(dev_decode_panel_timing(dev, &timing)); + ut_assert(timing.hactive.typ == 240); + ut_assert(timing.hback_porch.typ == 7); + ut_assert(timing.hfront_porch.typ == 6); + ut_assert(timing.hsync_len.typ == 1); + ut_assert(timing.vactive.typ == 320); + ut_assert(timing.vback_porch.typ == 5); + ut_assert(timing.vfront_porch.typ == 8); + ut_assert(timing.vsync_len.typ == 2); + ut_assert(timing.pixelclock.typ == 6500000); + ut_assert(timing.flags & DISPLAY_FLAGS_HSYNC_HIGH); + ut_assert(!(timing.flags & DISPLAY_FLAGS_HSYNC_LOW)); + ut_assert(!(timing.flags & DISPLAY_FLAGS_VSYNC_HIGH)); + ut_assert(timing.flags & DISPLAY_FLAGS_VSYNC_LOW); + ut_assert(timing.flags & DISPLAY_FLAGS_DE_HIGH); + ut_assert(!(timing.flags & DISPLAY_FLAGS_DE_LOW)); + ut_assert(timing.flags & DISPLAY_FLAGS_PIXDATA_POSEDGE); + ut_assert(!(timing.flags & DISPLAY_FLAGS_PIXDATA_NEGEDGE)); + ut_assert(timing.flags & DISPLAY_FLAGS_INTERLACED); + ut_assert(timing.flags & DISPLAY_FLAGS_DOUBLESCAN); + ut_assert(timing.flags & DISPLAY_FLAGS_DOUBLECLK); + + return 0; +} +DM_TEST(dm_test_decode_panel_timing, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); + /* Test read_resourcee() */ static int dm_test_read_resource(struct unit_test_state *uts) {