From 6aebc51d7aeff5a30d86485f320f0c871b5f23a4 Mon Sep 17 00:00:00 2001 From: Qiang Yu Date: Thu, 16 Jan 2020 21:11:55 +0800 Subject: drm/lima: support heap buffer creation heap buffer is used as output of GP and input of PP for Mali Utgard GPU. Size of heap buffer depends on the task so is a runtime variable. Previously we just create a large enough buffer as heap buffer. Now we add a heap buffer type to be able to increase the backup memory dynamically when GP fail due to lack of heap memory. Reviewed-by: Vasily Khoruzhick Tested-by: Andreas Baierl Signed-off-by: Qiang Yu Link: https://patchwork.freedesktop.org/patch/msgid/20200116131157.13346-4-yuq825@gmail.com --- drivers/gpu/drm/lima/lima_drv.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'drivers/gpu/drm/lima/lima_drv.c') diff --git a/drivers/gpu/drm/lima/lima_drv.c b/drivers/gpu/drm/lima/lima_drv.c index 124efe4fa97b..18f88aaef1a2 100644 --- a/drivers/gpu/drm/lima/lima_drv.c +++ b/drivers/gpu/drm/lima/lima_drv.c @@ -15,10 +15,14 @@ #include "lima_vm.h" int lima_sched_timeout_ms; +uint lima_heap_init_nr_pages = 8; MODULE_PARM_DESC(sched_timeout_ms, "task run timeout in ms"); module_param_named(sched_timeout_ms, lima_sched_timeout_ms, int, 0444); +MODULE_PARM_DESC(heap_init_nr_pages, "heap buffer init number of pages"); +module_param_named(heap_init_nr_pages, lima_heap_init_nr_pages, uint, 0444); + static int lima_ioctl_get_param(struct drm_device *dev, void *data, struct drm_file *file) { struct drm_lima_get_param *args = data; @@ -68,7 +72,7 @@ static int lima_ioctl_gem_create(struct drm_device *dev, void *data, struct drm_ if (args->pad) return -EINVAL; - if (args->flags) + if (args->flags & ~(LIMA_BO_FLAG_HEAP)) return -EINVAL; if (args->size == 0) -- cgit v1.2.3-70-g09d2