drm/hisilicon/hibmc: Add MSI irq getting and requesting for HPD

Browse source

To realize HPD feature, request irq for HPD , add its handler function.
We use pci_alloc_irq_vectors() to get our msi irq, because we have two
interrupts now.

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/20250331074212.3370287-9-shiyongbang@huawei.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>

...

This commit is contained in:

Baihan Li 2025-03-31 15:42:11 +08:00 • committed by Dmitry Baryshkov

parent 3c7623fb5b

commit b11bc1ae46

3 changed files with 66 additions and 14 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

3

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

View file

72

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

View file

3

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

View file