dm_test_quer...lcd1_success(9)

💅 dm_test_query_brightness_caps_lcd1_success — the girlypop guide

okay so bestie, we're deep in the Kernel API Manual today and the page header is literally dm_test_quer...lcd1_success(9) (yes the title gets truncated, that's just how the header rolls, don't @ me). sit down, hydrate, and let's talk about this one beautiful little KUnit test 🫶

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✨ NAME ✨

dm_test_query_brightness_caps_lcd1_success — literally "Test Query brightness caps lcd1 success", that's the whole vibe, that's the assignment 💖

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🌸 SYNOPSIS 🌸

void dm_test_query_brightness_caps_lcd1_success (struct kunit *test );

she takes exactly one argument, she returns nothing, she's a void queen and honestly? iconic 👑

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🎀 ARGUMENTS 🎀

• test — The KUnit test context. that's it, that's the whole parameter list. she just wants her struct kunit *test and she's happy 🦋

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🌈 SEE ALSO 🌈

first up, the source file this whole thing lives in — the kernel file:

./drivers/gpu/drm/amd/display/amdgpu_dm/tests/amdgpu_dm_services_test.c

and then, bestie, the whole friend group, no cap, all fifteen of them 💅

• dm_test_get_elapse_time_zero_delta(9)
• dm_test_get_elapse_time_positive_delta(9)
• dm_test_get_elapse_time_large_delta(9)
• dm_test_get_elapse_time_wraparound(9)
• dm_test_perf_trace_timestamp_basic(9)
• dm_test_trace_smu_enter_null_ctx(9)
• dm_test_trace_smu_enter_with_params(9)
• dm_test_trace_smu_exit_success_null_ctx(9)
• dm_test_trace_smu_exit_failure_null_ctx(9)
• dm_test_trace_smu_exit_with_response(9)
• dm_test_query_brightness_caps_null_ctx(9)
• dm_test_query_brightness_caps_null_caps(9)
• dm_test_query_brightness_caps_null_driver_ctx(9)
• dm_test_query_brightness_caps_lcd2_null_ctx(9)
• dm_test_query_brightness_caps_non_lcd1_uses_second_slot(9)

like, the whole brightness-caps clique is here and they all ate 🔥

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ngl this page is short and sweet — one function, one param, one big friend list. no edge cases to warn you about, no danger zone, she's just a happy little test case and we love her for it 🙈

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✨ that's the tea, bestie ✨ this page came from ./drivers/gpu/drm/amd/display/... and it's dated October 2026, footer stamped dm_test_quer...lcd1_success(9) — go forth and test those brightness caps, periodt 💜🎀