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drm/fb-helper: Add a dummy remove_conflicting_framebuffers

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Lots of drivers don't properly compile without this when CONFIG_FB=n.
It's kinda a hack, but since CONFIG_FB doesn't stub any fucntions when
it's disabled I think it makes sense to add it to drm_fb_helper.h.

Long term we probably need to rethink all the logic to unload firmware
framebuffer drivers, at least if we want to be able to move away from
CONFIG_FB and fbcon.

v2: Unfortunately just stubbing out remove_conflicting_framebuffers in
drm_fb_helper.h upset gcc about static vs. non-static declarations, so
a new wrapper it needs to be. Means more churn :(

Cc: Tobias Jakobi <tjakobi@math.uni-bielefeld.de>
Cc: Noralf Trønnes <noralf@tronnes.org>
Cc: tomi.valkeinen@ti.com
Cc: dh.herrmann@gmail.com
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1470847958-28465-2-git-send-email-daniel.vetter@ffwll.ch
This commit is contained in:
Daniel Vetter 2016-08-10 18:52:34 +02:00
parent e241655373
commit 44adece57e
12 changed files with 30 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
View File

@ -341,7 +341,7 @@ static int amdgpu_kick_out_firmware_fb(struct pci_dev *pdev)
#ifdef CONFIG_X86
primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
#endif
remove_conflicting_framebuffers(ap, "amdgpudrmfb", primary);
drm_fb_helper_remove_conflicting_framebuffers(ap, "amdgpudrmfb", primary);
kfree(ap);
return 0;

3
drivers/gpu/drm/bochs/bochs_drv.c
View File

@ -8,6 +8,7 @@
#include <linux/mm.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <drm/drm_fb_helper.h>
#include "bochs.h"
@ -153,7 +154,7 @@ static int bochs_kick_out_firmware_fb(struct pci_dev *pdev)
ap->ranges[0].base = pci_resource_start(pdev, 0);
ap->ranges[0].size = pci_resource_len(pdev, 0);
remove_conflicting_framebuffers(ap, "bochsdrmfb", false);
drm_fb_helper_remove_conflicting_framebuffers(ap, "bochsdrmfb", false);
kfree(ap);
return 0;

2
drivers/gpu/drm/cirrus/cirrus_drv.c
View File

@ -57,7 +57,7 @@ static int cirrus_kick_out_firmware_fb(struct pci_dev *pdev)
#ifdef CONFIG_X86
primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
#endif
remove_conflicting_framebuffers(ap, "cirrusdrmfb", primary);
drm_fb_helper_remove_conflicting_framebuffers(ap, "cirrusdrmfb", primary);
kfree(ap);
return 0;

2
drivers/gpu/drm/i915/i915_drv.c
View File

@ -706,7 +706,7 @@ static int i915_kick_out_firmware_fb(struct drm_i915_private *dev_priv)
primary =
pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
ret = remove_conflicting_framebuffers(ap, "inteldrmfb", primary);
ret = drm_fb_helper_remove_conflicting_framebuffers(ap, "inteldrmfb", primary);
kfree(ap);

2
drivers/gpu/drm/mgag200/mgag200_drv.c
View File

@ -56,7 +56,7 @@ static void mgag200_kick_out_firmware_fb(struct pci_dev *pdev)
#ifdef CONFIG_X86
primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
#endif
remove_conflicting_framebuffers(ap, "mgag200drmfb", primary);
drm_fb_helper_remove_conflicting_framebuffers(ap, "mgag200drmfb", primary);
kfree(ap);
}

2
drivers/gpu/drm/mgag200/mgag200_main.c
View File

@ -135,7 +135,7 @@ static int mga_vram_init(struct mga_device *mdev)
aper->ranges[0].base = mdev->mc.vram_base;
aper->ranges[0].size = mdev->mc.vram_window;
remove_conflicting_framebuffers(aper, "mgafb", true);
drm_fb_helper_remove_conflicting_framebuffers(aper, "mgafb", true);
kfree(aper);
if (!devm_request_mem_region(mdev->dev->dev, mdev->mc.vram_base, mdev->mc.vram_window,

2
drivers/gpu/drm/nouveau/nouveau_drm.c
View File

@ -351,7 +351,7 @@ static int nouveau_drm_probe(struct pci_dev *pdev,
boot = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
#endif
if (nouveau_modeset != 2)
remove_conflicting_framebuffers(aper, "nouveaufb", boot);
drm_fb_helper_remove_conflicting_framebuffers(aper, "nouveaufb", boot);
kfree(aper);
ret = nvkm_device_pci_new(pdev, nouveau_config, nouveau_debug,

3
drivers/gpu/drm/radeon/radeon_drv.c
View File

@ -39,6 +39,7 @@
#include <linux/pm_runtime.h>
#include <linux/vga_switcheroo.h>
#include <drm/drm_gem.h>
#include <drm/drm_fb_helper.h>
#include "drm_crtc_helper.h"
#include "radeon_kfd.h"
@ -324,7 +325,7 @@ static int radeon_kick_out_firmware_fb(struct pci_dev *pdev)
#ifdef CONFIG_X86
primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
#endif
remove_conflicting_framebuffers(ap, "radeondrmfb", primary);
drm_fb_helper_remove_conflicting_framebuffers(ap, "radeondrmfb", primary);
kfree(ap);
return 0;

3
drivers/gpu/drm/sun4i/sun4i_drv.c
View File

@ -17,6 +17,7 @@
#include <drm/drm_crtc_helper.h>
#include <drm/drm_fb_cma_helper.h>
#include <drm/drm_gem_cma_helper.h>
#include <drm/drm_fb_helper.h>
#include "sun4i_crtc.h"
#include "sun4i_drv.h"
@ -109,7 +110,7 @@ static void sun4i_remove_framebuffers(void)
ap->ranges[0].base = 0;
ap->ranges[0].size = ~0;
remove_conflicting_framebuffers(ap, "sun4i-drm-fb", false);
drm_fb_helper_remove_conflicting_framebuffers(ap, "sun4i-drm-fb", false);
kfree(ap);
}

3
drivers/gpu/drm/vc4/vc4_drv.c
View File

@ -16,6 +16,7 @@
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
#include "drm_fb_cma_helper.h"
#include <drm/drm_fb_helper.h>
#include "uapi/drm/vc4_drm.h"
#include "vc4_drv.h"
@ -214,7 +215,7 @@ static void vc4_kick_out_firmware_fb(void)
ap->ranges[0].base = 0;
ap->ranges[0].size = ~0;
remove_conflicting_framebuffers(ap, "vc4drmfb", false);
drm_fb_helper_remove_conflicting_framebuffers(ap, "vc4drmfb", false);
kfree(ap);
}

3
drivers/gpu/drm/virtio/virtgpu_drm_bus.c
View File

@ -24,6 +24,7 @@
*/
#include <linux/pci.h>
#include <drm/drm_fb_helper.h>
#include "virtgpu_drv.h"
@ -42,7 +43,7 @@ static void virtio_pci_kick_out_firmware_fb(struct pci_dev *pci_dev)
primary = pci_dev->resource[PCI_ROM_RESOURCE].flags
& IORESOURCE_ROM_SHADOW;
remove_conflicting_framebuffers(ap, "virtiodrmfb", primary);
drm_fb_helper_remove_conflicting_framebuffers(ap, "virtiodrmfb", primary);
kfree(ap);
}

14
include/drm/drm_fb_helper.h
View File

@ -32,6 +32,7 @@
struct drm_fb_helper;
#include <drm/drm_crtc.h>
#include <linux/kgdb.h>
enum mode_set_atomic {
@ -282,6 +283,12 @@ drm_pick_cmdline_mode(struct drm_fb_helper_connector *fb_helper_conn,
int drm_fb_helper_add_one_connector(struct drm_fb_helper *fb_helper, struct drm_connector *connector);
int drm_fb_helper_remove_one_connector(struct drm_fb_helper *fb_helper,
struct drm_connector *connector);
static inline int
drm_fb_helper_remove_conflicting_framebuffers(struct apertures_struct *a,
const char *name, bool primary)
{
return remove_conflicting_framebuffers(a, name, primary);
}
#else
static inline int drm_fb_helper_modinit(void)
{
@ -475,5 +482,12 @@ drm_fb_helper_remove_one_connector(struct drm_fb_helper *fb_helper,
{
return 0;
}
static inline int
drm_fb_helper_remove_conflicting_framebuffers(struct apertures_struct *a,
const char *name, bool primary)
{
return 0;
}
#endif
#endif