drm/hisilicon/hibmc: Enable this hot plug detect of irq feature

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Add HPD interrupt enable functions in drm framework, and also add
detect_ctx functions. Because of the debouncing when HPD pulled out,
add 200 ms delay in detect. Add link reset process to reset link status
when a new connector pulgged in.

Signed-off-by: Baihan Li <libaihan@huawei.com>
Signed-off-by: Yongbang Shi <shiyongbang@huawei.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20250331074212.3370287-8-shiyongbang@huawei.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>

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Baihan Li 2025-03-31 15:42:10 +08:00 • committed by Dmitry Baryshkov

parent 2f6182616c

commit 3c7623fb5b

5 changed files with 86 additions and 0 deletions

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1

drivers/gpu/drm/hisilicon/hibmc/dp/dp_config.h

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36

drivers/gpu/drm/hisilicon/hibmc/dp/dp_hw.c

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5

drivers/gpu/drm/hisilicon/hibmc/dp/dp_hw.h

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42

drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_dp.c

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2

drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h

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