From 310e506c06e495b8fbe3502c70d896bc5b8b2502 Mon Sep 17 00:00:00 2001 From: Melissa Wen Date: Sat, 24 Apr 2021 05:26:10 -0300 Subject: drm/vkms: add overlay support Add support to overlay plane, in addition to primary and cursor planes. In this approach, the plane composition still requires an active primary plane and planes are composed associatively in the order: (primary <- overlay) <- cursor It enables to run the following IGT tests successfully: - kms_plane_cursor: - pipe-A-[overlay, primary, viewport]-size-[64, 128, 256] - kms_atomic: - plane-overlay-legacy and preserves the successful execution of kms_cursor_crc, kms_writeback and kms_flip Signed-off-by: Melissa Wen Reviewed-by: Daniel Vetter Link: https://patchwork.freedesktop.org/patch/msgid/8261bf93d8a0e3ffaf81d8e7c9b3e9c229116be3.1619250933.git.melissa.srw@gmail.com --- drivers/gpu/drm/vkms/vkms_drv.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'drivers/gpu/drm/vkms/vkms_drv.c') diff --git a/drivers/gpu/drm/vkms/vkms_drv.c b/drivers/gpu/drm/vkms/vkms_drv.c index 2173b82606f6..027ffe759440 100644 --- a/drivers/gpu/drm/vkms/vkms_drv.c +++ b/drivers/gpu/drm/vkms/vkms_drv.c @@ -44,6 +44,10 @@ static bool enable_writeback = true; module_param_named(enable_writeback, enable_writeback, bool, 0444); MODULE_PARM_DESC(enable_writeback, "Enable/Disable writeback connector support"); +static bool enable_overlay; +module_param_named(enable_overlay, enable_overlay, bool, 0444); +MODULE_PARM_DESC(enable_overlay, "Enable/Disable overlay support"); + DEFINE_DRM_GEM_FOPS(vkms_driver_fops); static void vkms_release(struct drm_device *dev) @@ -198,6 +202,7 @@ static int __init vkms_init(void) config->cursor = enable_cursor; config->writeback = enable_writeback; + config->overlay = enable_overlay; return vkms_create(config); } -- cgit v1.2.3