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From: Christoph Hellwig <hch@lst.de>
To: David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>
Cc: "Joonas Lahtinen" <joonas.lahtinen@linux.intel.com>,
	kvm@vger.kernel.org, amd-gfx@lists.freedesktop.org,
	nouveau@lists.freedesktop.org, dri-devel@lists.freedesktop.org,
	"Pan, Xinhui" <Xinhui.Pan@amd.com>,
	"Maarten Lankhorst" <maarten.lankhorst@linux.intel.com>,
	"Maxime Ripard" <mripard@kernel.org>,
	"Alex Williamson" <alex.williamson@redhat.com>,
	"Jani Nikula" <jani.nikula@linux.intel.com>,
	"Rodrigo Vivi" <rodrigo.vivi@intel.com>,
	"Alex Deucher" <alexander.deucher@amd.com>,
	intel-gfx@lists.freedesktop.org,
	"Christian König" <christian.koenig@amd.com>,
	"Ben Skeggs" <bskeggs@redhat.com>
Subject: [Nouveau] [PATCH 4/7] vgaarb: cleanup vgaarb.h
Date: Fri, 16 Jul 2021 08:16:31 +0200	[thread overview]
Message-ID: <20210716061634.2446357-5-hch@lst.de> (raw)
In-Reply-To: <20210716061634.2446357-1-hch@lst.de>

Merge the different CONFIG_VGA_ARB ifdef blocks, remove superflous
externs, and regularize the stubs for !CONFIG_VGA_ARB.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 include/linux/vgaarb.h | 90 ++++++++++++++++++++----------------------
 1 file changed, 42 insertions(+), 48 deletions(-)

diff --git a/include/linux/vgaarb.h b/include/linux/vgaarb.h
index fdce9007d57e..05171fc7e26a 100644
--- a/include/linux/vgaarb.h
+++ b/include/linux/vgaarb.h
@@ -33,6 +33,8 @@
 
 #include <video/vga.h>
 
+struct pci_dev;
+
 /* Legacy VGA regions */
 #define VGA_RSRC_NONE	       0x00
 #define VGA_RSRC_LEGACY_IO     0x01
@@ -42,23 +44,47 @@
 #define VGA_RSRC_NORMAL_IO     0x04
 #define VGA_RSRC_NORMAL_MEM    0x08
 
-struct pci_dev;
-
-/* For use by clients */
-
-#if defined(CONFIG_VGA_ARB)
-extern void vga_set_legacy_decoding(struct pci_dev *pdev,
-				    unsigned int decodes);
-#else
+#ifdef CONFIG_VGA_ARB
+void vga_set_legacy_decoding(struct pci_dev *pdev, unsigned int decodes);
+int vga_get(struct pci_dev *pdev, unsigned int rsrc, int interruptible);
+void vga_put(struct pci_dev *pdev, unsigned int rsrc);
+struct pci_dev *vga_default_device(void);
+void vga_set_default_device(struct pci_dev *pdev);
+int vga_remove_vgacon(struct pci_dev *pdev);
+int vga_client_register(struct pci_dev *pdev, void *cookie,
+			void (*irq_set_state)(void *cookie, bool state),
+			unsigned int (*set_vga_decode)(void *cookie, bool state));
+#else /* CONFIG_VGA_ARB */
 static inline void vga_set_legacy_decoding(struct pci_dev *pdev,
-					   unsigned int decodes) { };
-#endif
-
-#if defined(CONFIG_VGA_ARB)
-extern int vga_get(struct pci_dev *pdev, unsigned int rsrc, int interruptible);
-#else
-static inline int vga_get(struct pci_dev *pdev, unsigned int rsrc, int interruptible) { return 0; }
-#endif
+		unsigned int decodes)
+{
+};
+static inline int vga_get(struct pci_dev *pdev, unsigned int rsrc,
+		int interruptible)
+{
+	return 0;
+}
+static inline void vga_put(struct pci_dev *pdev, unsigned int rsrc)
+{
+}
+static inline struct pci_dev *vga_default_device(void)
+{
+	return NULL;
+}
+static inline void vga_set_default_device(struct pci_dev *pdev)
+{
+}
+static inline int vga_remove_vgacon(struct pci_dev *pdev)
+{
+	return 0;
+}
+static inline int vga_client_register(struct pci_dev *pdev, void *cookie,
+				      void (*irq_set_state)(void *cookie, bool state),
+				      unsigned int (*set_vga_decode)(void *cookie, bool state))
+{
+	return 0;
+}
+#endif /* CONFIG_VGA_ARB */
 
 /**
  * vga_get_interruptible
@@ -90,36 +116,4 @@ static inline int vga_get_uninterruptible(struct pci_dev *pdev,
        return vga_get(pdev, rsrc, 0);
 }
 
-#if defined(CONFIG_VGA_ARB)
-extern void vga_put(struct pci_dev *pdev, unsigned int rsrc);
-#else
-static inline void vga_put(struct pci_dev *pdev, unsigned int rsrc)
-{
-}
-#endif
-
-
-#ifdef CONFIG_VGA_ARB
-extern struct pci_dev *vga_default_device(void);
-extern void vga_set_default_device(struct pci_dev *pdev);
-extern int vga_remove_vgacon(struct pci_dev *pdev);
-#else
-static inline struct pci_dev *vga_default_device(void) { return NULL; }
-static inline void vga_set_default_device(struct pci_dev *pdev) { }
-static inline int vga_remove_vgacon(struct pci_dev *pdev) { return 0; }
-#endif
-
-#if defined(CONFIG_VGA_ARB)
-int vga_client_register(struct pci_dev *pdev, void *cookie,
-			void (*irq_set_state)(void *cookie, bool state),
-			unsigned int (*set_vga_decode)(void *cookie, bool state));
-#else
-static inline int vga_client_register(struct pci_dev *pdev, void *cookie,
-				      void (*irq_set_state)(void *cookie, bool state),
-				      unsigned int (*set_vga_decode)(void *cookie, bool state))
-{
-	return 0;
-}
-#endif
-
 #endif /* LINUX_VGA_H */
-- 
2.30.2

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  parent reply	other threads:[~2021-07-16  6:21 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-16  6:16 [Nouveau] misc vgaarb cleanups Christoph Hellwig
2021-07-16  6:16 ` [Nouveau] [PATCH 1/7] vgaarb: remove VGA_DEFAULT_DEVICE Christoph Hellwig
2021-07-16  7:14   ` Christian König
2021-07-20 13:50     ` Daniel Vetter
2021-07-20 14:12       ` Christian König
2021-07-21  8:30       ` Christian König
2021-07-16  6:16 ` [Nouveau] [PATCH 2/7] vgaarb: remove vga_conflicts Christoph Hellwig
2021-07-16  6:16 ` [Nouveau] [PATCH 3/7] vgaarb: move the kerneldoc for vga_set_legacy_decoding to vgaarb.c Christoph Hellwig
2021-07-16  6:16 ` Christoph Hellwig [this message]
2021-07-16  6:16 ` [Nouveau] [PATCH 5/7] vgaarb: provide a vga_client_unregister wrapper Christoph Hellwig
2021-07-16  6:16 ` [Nouveau] [PATCH 6/7] vgaarb: remove the unused irq_set_state argument to vga_client_register Christoph Hellwig
2021-07-16  6:16 ` [Nouveau] [PATCH 7/7] vgaarb: don't pass a cookie " Christoph Hellwig
2021-07-16 11:40 ` [Nouveau] misc vgaarb cleanups Rodrigo Vivi

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