From 2ea42f6e6868bc5a3d53e57a3af5b4d3d88c5dea Mon Sep 17 00:00:00 2001 From: Andy Yan Date: Thu, 8 May 2025 16:47:57 +0800 Subject: [PATCH] drm/gem-framebuffer: log errors when gem size < afbc_size Let the user know what went wrong in drm_gem_fb_afbc_init failure paths. Signed-off-by: Andy Yan Reviewed-by: Daniel Stone Signed-off-by: Thomas Zimmermann Link: https://lore.kernel.org/r/20250508084811.2472877-1-andyshrk@163.com --- drivers/gpu/drm/drm_gem_framebuffer_helper.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/drm_gem_framebuffer_helper.c b/drivers/gpu/drm/drm_gem_framebuffer_helper.c index 6f72e7a0f4275..baf99a68bdb58 100644 --- a/drivers/gpu/drm/drm_gem_framebuffer_helper.c +++ b/drivers/gpu/drm/drm_gem_framebuffer_helper.c @@ -607,8 +607,11 @@ int drm_gem_fb_afbc_init(struct drm_device *dev, if (ret < 0) return ret; - if (objs[0]->size < afbc_fb->afbc_size) + if (objs[0]->size < afbc_fb->afbc_size) { + drm_dbg_kms(dev, "GEM object size (%zu) smaller than minimum afbc size (%u)\n", + objs[0]->size, afbc_fb->afbc_size); return -EINVAL; + } return 0; } -- 2.47.2