linux-kernel - [PATCH 2/2] drm/vboxvideo: Add PCI region request

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Message-ID: <20240729093625.17561-5-pstanner@redhat.com>
Date: Mon, 29 Jul 2024 11:36:27 +0200
From: Philipp Stanner <pstanner@...hat.com>
To: Hans de Goede <hdegoede@...hat.com>,
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Maxime Ripard <mripard@...nel.org>,
	Thomas Zimmermann <tzimmermann@...e.de>,
	David Airlie <airlied@...il.com>,
	Daniel Vetter <daniel@...ll.ch>,
	Bjorn Helgaas <bhelgaas@...gle.com>
Cc: dri-devel@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org,
	linux-pci@...r.kernel.org,
	Philipp Stanner <pstanner@...hat.com>
Subject: [PATCH 2/2] drm/vboxvideo: Add PCI region request

vboxvideo currently does not reserve its PCI BAR through a region
request.

Implement the request through the managed function
pcim_request_region().

Signed-off-by: Philipp Stanner <pstanner@...hat.com>
---
 drivers/gpu/drm/vboxvideo/vbox_main.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/vboxvideo/vbox_main.c b/drivers/gpu/drm/vboxvideo/vbox_main.c
index d4ade9325401..7f686a0190e6 100644
--- a/drivers/gpu/drm/vboxvideo/vbox_main.c
+++ b/drivers/gpu/drm/vboxvideo/vbox_main.c
@@ -114,6 +114,10 @@ int vbox_hw_init(struct vbox_private *vbox)
 
 	DRM_INFO("VRAM %08x\n", vbox->full_vram_size);
 
+	ret = pcim_request_region(pdev, 0, "vboxvideo");
+	if (ret)
+		return ret;
+
 	/* Map guest-heap at end of vram */
 	vbox->guest_heap = pcim_iomap_range(pdev, 0,
 			GUEST_HEAP_OFFSET(vbox), GUEST_HEAP_SIZE);
-- 
2.45.2