[PATCH 0/4] drm/simple_kms_helper: Add {enable|disable}_vblank callback support

From: Oleksandr Andrushchenko
Date: Mon Feb 12 2018 - 03:53:10 EST


From: Oleksandr Andrushchenko <oleksandr_andrushchenko@xxxxxxxx>

If simple_kms_helper based driver needs to work with vblanks,
then it has to provide drm_driver.{enable|disable}_vblank callbacks,
because drm_simple_kms_helper.drm_crtc_funcs does not provide any.
At the same time drm_driver.{enable|disable}_vblank callbacks
are marked as deprecated and shouldn't be used by new drivers.

Fix this by extending drm_simple_kms_helper.drm_crtc_funcs
to provide the missing callbacks.

Please note, that patch for the DRM core (drm_simple_kms_helper.*)
is checked at run-time (I use this patch for my own driver), but patches
0002-0004 are compile only checked.

Thank you,
Oleksandr Andrushchenko

Oleksandr Andrushchenko (4):
drm/simple_kms_helper: Add {enable|disable}_vblank callback support
drm/mxsfb: Do not use deprecated drm_driver.{enable|disable)_vblank
drm/tve200: Do not use deprecated drm_driver.{enable|disable)_vblank
drm/pl111: Do not use deprecated drm_driver.{enable|disable)_vblank

drivers/gpu/drm/drm_simple_kms_helper.c | 24 +++++++++++++++
drivers/gpu/drm/mxsfb/mxsfb_drv.c | 54 +++++++++++++++++----------------
drivers/gpu/drm/pl111/pl111_display.c | 15 +++++++--
drivers/gpu/drm/pl111/pl111_drm.h | 2 --
drivers/gpu/drm/pl111/pl111_drv.c | 5 ---
drivers/gpu/drm/tve200/tve200_display.c | 10 ++++--
drivers/gpu/drm/tve200/tve200_drm.h | 2 --
drivers/gpu/drm/tve200/tve200_drv.c | 3 --
include/drm/drm_simple_kms_helper.h | 18 +++++++++++
9 files changed, 90 insertions(+), 43 deletions(-)

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2.7.4