From d1d233e2658db139d389e55f52f5252fbae9cf13 Mon Sep 17 00:00:00 2001 From: Emil Karlson Date: Fri, 2 Aug 2019 13:56:28 +0300 Subject: [PATCH] throttle damage flushes for rockchip drm --- drivers/gpu/drm/rockchip/rockchip_drm_fb.c | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_fb.c b/drivers/gpu/drm/rockchip/rockchip_drm_fb.c index 9b13c784b347..7743f75ce9a6 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_fb.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_fb.c @@ -18,10 +18,26 @@ #include "rockchip_drm_fb.h" #include "rockchip_drm_gem.h" +u64 ke_old_jiffies; +static int rockchip_drm_fb_dirty(struct drm_framebuffer *fb, + struct drm_file *file, + unsigned int flags, unsigned int color, + struct drm_clip_rect *clips, + unsigned int num_clips) +{ + u64 newjiffies = jiffies >> 5; + + if (ke_old_jiffies != newjiffies) { + ke_old_jiffies = newjiffies; + return drm_atomic_helper_dirtyfb(fb, file, flags, color, clips, num_clips); + } + return 0; +} + static const struct drm_framebuffer_funcs rockchip_drm_fb_funcs = { .destroy = drm_gem_fb_destroy, .create_handle = drm_gem_fb_create_handle, - .dirty = drm_atomic_helper_dirtyfb, + .dirty = rockchip_drm_fb_dirty, }; static struct drm_framebuffer * -- 2.28.0