Currently, we are working to make VKMS pass in the kms_flip test (IGT). As a result, we made a series of changes in the module with the goal to meet some of the necessary steps required by kms_flip. This patchset comprises all the modifications needed to make kms_flip partially pass.
Note that the patch "drm/vkms: Add framebuffer and plane helpers" add two dummy functions related to the plane which is necessary for the basic operation of the VKMS during the kms_flip. During the original discussion with Daniel, he suggests removing these dummy functions [1]; however, removing these functions results in errors during the execution of kms_flip.
Finally, this patchset is based on: - [PATCH V2 0/5] drm/vkms: Updates to meet basic kms_flip requirements (https://www.spinics.net/lists/dri-devel/msg180544.html) - [PATCH V3] drm/vkms: Add vblank events simulated by hrtimers (https://www.spinics.net/lists/dri-devel/msg182600.html)
[1] https://www.spinics.net/lists/dri-devel/msg182690.html
Rodrigo Siqueira (4): drm/vkms: Add dumb operations drm/vkms: Add framebuffer and plane helpers drm/vkms: Add connectors helpers drm/vkms: Add vblank events simulated by hrtimers
drivers/gpu/drm/vkms/Makefile | 2 +- drivers/gpu/drm/vkms/vkms_crtc.c | 95 +++++++++++++++ drivers/gpu/drm/vkms/vkms_drv.c | 28 ++++- drivers/gpu/drm/vkms/vkms_drv.h | 47 ++++++++ drivers/gpu/drm/vkms/vkms_gem.c | 179 +++++++++++++++++++++++++++++ drivers/gpu/drm/vkms/vkms_output.c | 20 ++++ drivers/gpu/drm/vkms/vkms_plane.c | 18 +++ 7 files changed, 382 insertions(+), 7 deletions(-) create mode 100644 drivers/gpu/drm/vkms/vkms_gem.c