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* Merge tag 'fbdev-3.12' of ↵Linus Torvalds2013-09-051-0/+1
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux Pull fbdev changes from Tomi Valkeinen: - Improvements to da8xx-fb to make it support v2 of the LCDC IP, used eg in BeagleBone - Himax HX8369 controller support - Various small fixes and cleanups * tag 'fbdev-3.12' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux: (42 commits) video: da8xx-fb: fix the polarities of the hsync/vsync pulse video: da8xx-fb: support lcdc v2 timing register expansion video: da8xx-fb: fixing timing off by one errors video: da8xx-fb fixing incorrect porch mappings video: xilinxfb: replace devm_request_and_ioremap by devm_ioremap_resource fbmem: move EXPORT_SYMBOL annotation next to symbol declarations drivers: video: fbcmap: remove the redundency and incorrect checkings video: mxsfb: simplify use of devm_ioremap_resource Release efifb's colormap in efifb_destroy() at91/avr32/atmel_lcdfb: prepare clk before calling enable video: exynos: Ensure definitions match prototypes OMAPDSS: fix WARN_ON in 'alpha_blending_enabled' sysfs file OMAPDSS: HDMI: Fix possible NULL reference video: da8xx-fb: adding am33xx as dependency video: da8xx-fb: let compiler decide what to inline video: da8xx-fb: make clock naming consistent video: da8xx-fb: set upstream clock rate (if reqd) video: da8xx-fb: reorganize panel detection video: da8xx-fb: ensure non-null cfg in pdata video: da8xx-fb: use devres ...
| * Release efifb's colormap in efifb_destroy()Peter Jones2013-08-301-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This was found by Alexandra Kossovsky, who noted this traceback from kmemleak: > unreferenced object 0xffff880216fcfe00 (size 512): > comm "swapper/0", pid 1, jiffies 4294895429 (age 1415.320s) > hex dump (first 32 bytes): > 00 00 00 00 00 00 00 00 aa aa aa aa aa aa aa aa ................ > 55 55 55 55 55 55 55 55 ff ff ff ff ff ff ff ff UUUUUUUU........ > backtrace: > [<ffffffff813e415c>] kmemleak_alloc+0x21/0x3e > [<ffffffff8111c17f>] > kmemleak_alloc_recursive.constprop.57+0x16/0x18 > [<ffffffff8111e63b>] __kmalloc+0xf9/0x144 > [<ffffffff8123d9cf>] fb_alloc_cmap_gfp+0x47/0xe1 > [<ffffffff8123da77>] fb_alloc_cmap+0xe/0x10 > [<ffffffff81aff40a>] efifb_probe+0x3e9/0x48f > [<ffffffff812c566f>] platform_drv_probe+0x34/0x5e > [<ffffffff812c3e6d>] driver_probe_device+0x98/0x1b4 > [<ffffffff812c3fd7>] __driver_attach+0x4e/0x6f > [<ffffffff812c25bf>] bus_for_each_dev+0x57/0x8a > [<ffffffff812c3984>] driver_attach+0x19/0x1b > [<ffffffff812c362b>] bus_add_driver+0xde/0x201 > [<ffffffff812c453f>] driver_register+0x8c/0x110 > [<ffffffff812c510d>] platform_driver_register+0x41/0x43 > [<ffffffff812c5127>] platform_driver_probe+0x18/0x8a > [<ffffffff81aff002>] efifb_init+0x276/0x295 Signed-off-by: Peter Jones <pjones@redhat.com> Reviewed-by: David Herrmann <dh.herrmann@gmail.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
* | fbdev: efifb: bind to efi-framebufferDavid Herrmann2013-08-031-46/+22
| | | | | | | | | | | | | | | | | | Instead of creating a dummy device, we now bind to the efi-fb device which is provided by x86 initialization code. Signed-off-by: David Herrmann <dh.herrmann@gmail.com> Link: http://lkml.kernel.org/r/1375445127-15480-8-git-send-email-dh.herrmann@gmail.com Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
* | x86: sysfb: move EFI quirks from efifb to sysfbDavid Herrmann2013-08-031-227/+7
|/ | | | | | | | | | The EFI FB quirks from efifb.c are useful for simple-framebuffer devices as well. Apply them by default so we can convert efifb.c to use efi-framebuffer platform devices. Signed-off-by: David Herrmann <dh.herrmann@gmail.com> Link: http://lkml.kernel.org/r/1375445127-15480-5-git-send-email-dh.herrmann@gmail.com Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
* Drivers: video: remove __dev* attributes.Greg Kroah-Hartman2013-01-041-2/+2
| | | | | | | | | | | | | | CONFIG_HOTPLUG is going away as an option. As a result, the __dev* markings need to be removed. This change removes the use of __devinit, __devexit_p, __devinitdata, __devinitconst, and __devexit from these drivers. Based on patches originally written by Bill Pemberton, but redone by me in order to handle some of the coding style issues better, by hand. Cc: Bill Pemberton <wfp5p@virginia.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* efifb: Skip DMI checks if the bootloader knows what it's doingMatthew Garrett2012-09-171-1/+3
| | | | | | | | | | | | | | | | The majority of the DMI checks in efifb are for cases where the bootloader has provided invalid information. However, on some machines the overrides may do more harm than good due to configuration differences between machines with the same machine identifier. It turns out that it's possible for the bootloader to get the correct information on GOP-based systems, but we can't guarantee that the kernel's being booted with one that's been updated to do so. Add support for a capabilities flag that can be set by the bootloader, and skip the DMI checks in that case. Additionally, set this flag in the UEFI stub code. Signed-off-by: Matthew Garrett <mjg@redhat.com> Acked-by: Peter Jones <pjones@redhat.com> Signed-off-by: Matt Fleming <matt.fleming@intel.com>
* vga: fix build when fbdev is a moduleMatthew Garrett2012-04-241-0/+2
| | | | | | | This fixes the build breakage reported by Stephen in -next when merging the drm-next tree. Signed-off-by: Dave Airlie <airlied@redhat.com>
* efifb: Implement vga_default_device() (v2)Matthew Garrett2012-04-241-20/+57
| | | | | | | | | | | | | | EFI doesn't typically make use of the legacy VGA ROM, but it may still be configured to pass that through to a given video device. This may lead to an inaccurate choice of default video device. Add support to efifb to pick out the correct active video device. v2: fix if->ifdef Signed-off-by: Matthew Garrett <mjg@redhat.com> Acked-by: hpa@zytor.com Cc: matt.fleming@intel.com Signed-off-by: Dave Airlie <airlied@redhat.com>
* efifb: Fix call to wrong unregister functionWanlong Gao2011-06-141-1/+1
| | | | | | | | | | platform_device_unregister() needs to unregister the device, not the driver. Signed-off-by: Wanlong Gao <wanlong.gao@gmail.com> Signed-off-by: Maarten Lankhorst <m.b.lankhorst@gmail.com> Acked-by: Andy Lutomirski <luto@mit.edu> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* efifb: Disallow manual bind and unbindAndy Lutomirski2011-06-021-7/+14
| | | | | | | | | | | | Both were buggy: bind would happily scribble over a real graphics device and unbind wouldn't destroy the framebuffer. Hotplugging efifb makes no sense anyway, so just disable it. As an added benefit, we save some runtime memory. Signed-off-by: Andy Lutomirski <luto@mit.edu> Signed-off-by: Peter Jones <pjones@redhat.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* efifb: Fix mismatched request/release_mem_regionAndy Lutomirski2011-06-021-4/+7
| | | | | | Signed-off-by: Andy Lutomirski <luto@mit.edu> Signed-off-by: Peter Jones <pjones@redhat.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* efifb: Enable write-combiningAndy Lutomirski2011-06-021-1/+1
| | | | | | | | | | | | | | Running fbcon on an uncached framebuffer is remarkably slow. So try to enable write combining in efifb. Without this patch, it takes 5.8 seconds from efifb probe to i915 probe (default options; no plymouth or quiet mode). With this patch, it only takes 1.7 seconds. That means we wasted over 4 seconds just writing to UC memory. Signed-off-by: Andy Lutomirski <luto@mit.edu> Signed-off-by: Peter Jones <pjones@redhat.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* efifb: fix int to pointer cast warningKonstantin Khlebnikov2011-05-241-2/+2
| | | | | | | | drivers/video/efifb.c:247: warning: cast to pointer from integer of different size Signed-off-by: Konstantin Khlebnikov <khlebnikov@openvz.org> Signed-off-by: Peter Jones <pjones@redhat.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* efifb: Add override for 11" Macbook Air 3,1Matthew Garrett2011-04-061-0/+4
| | | | | | | | | The 11" Macbook Air appears to claim that its stride is 1366, when it's actually 2048. Override it. Signed-off-by: Matthew Garrett <mjg@redhat.com> Signed-off-by: Peter Jones <pjones@redhat.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* efifb: Support overriding fields FW tells us with the DMI data.Peter Jones2011-04-061-61/+88
| | | | | | | | | | Some machines apparently give us bogus linelength/stride/pitch data, so we need to support letting the DMI table override the supplied data. I bet you can't guess whose machines I'm talking about. Signed-off-by: Peter Jones <pjones@redhat.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* efifb: support AMD Radeon HD 6490Davidlohr Bueso2011-03-311-0/+3
| | | | | | | | | This patch enables the framebuffer for the AMD Radeon 6490 found in the new MacBook Pro 8,2 generation. The framebuffer's base is located at 0x90010000, the method for obtaining it was found in the same way mentioned in https://patchwork.kernel.org/patch/91704/ Signed-off-by: Davidlohr Bueso <dave@gnu.org> Signed-off-by: Jonathan Gonzalez <zeus@gnu.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* efifb: support the EFI framebuffer on more Apple hardwareLuke Macken2010-09-231-0/+42
| | | | | | | | | | | | | | | | | | Enable the EFI framebuffer on 14 more Macs, including the iMac11,1 iMac10,1 iMac8,1 Macmini3,1 Macmini4,1 MacBook5,1 MacBook6,1 MacBook7,1 MacBookPro2,2 MacBookPro5,2 MacBookPro5,3 MacBookPro6,1 MacBookPro6,2 and MacBookPro7,1 Information gathered from various user submissions. https://bugzilla.redhat.com/show_bug.cgi?id=528232 http://ubuntuforums.org/showthread.php?t=1557326 [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Luke Macken <lmacken@redhat.com> Signed-off-by: Peter Jones <pjones@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* efifb: check that the base address is plausible on pci systemsPeter Jones2010-09-231-12/+49
| | | | | | | | | | | | | | | | | | | | | | | | | | Some Apple machines have identical DMI data but different memory configurations for the video. Given that, check that the address in our table is actually within the range of a PCI BAR on a VGA device in the machine. This also fixes up the return value from set_system(), which has always been wrong, but never resulted in bad behavior since there's only ever been one matching entry in the dmi table. The patch 1) stops people's machines from crashing when we get their display wrong, which seems to be unfortunately inevitable, 2) allows us to support identical dmi data with differing video memory configurations This also adds me as the efifb maintainer, since I've effectively been acting as such for quite some time. Signed-off-by: Peter Jones <pjones@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* fbdev: efifb: section fixesHenrik Kretzschmar2010-08-111-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | Remove 43 section mismatches by moving the two structures efifb_defined and efifb_fix from .init.data to .devinit.data. Also the two structure arrays dmi_system_table[] and dmi_list[] have been moved from .data to .init.rodata and .init.data, which saves, if built-in, some space. On x86_64 'size -A' showed that these sections changed size: efifb.o: section size-old size-new .data 1200 688 .init.data 7840 512 .init.rodata 0 7568 .devinit.data 0 256 Total 11927 11911 Signed-off-by: Henrik Kretzschmar <henne@nachtwindheim.de> Cc: Peter Jones <pjones@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge remote branch 'anholt/drm-intel-next' into drm-nextDave Airlie2010-05-191-0/+3
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * anholt/drm-intel-next: (515 commits) drm/i915: Fix out of tree builds drm/i915: move fence lru to struct drm_i915_fence_reg drm/i915: don't allow tiling changes on pinned buffers v2 drm/i915: Be extra careful about A/D matching for multifunction SDVO drm/i915: Fix DDC bus selection for multifunction SDVO drm/i915: cleanup mode setting before unmapping registers drm/i915: Make fbc control wrapper functions drm/i915: Wait for the GPU whilst shrinking, if truly desperate. drm/i915: Use spatio-temporal dithering on PCH [MTD] Remove zero-length files mtdbdi.c and internal.ho pata_pcmcia / ide-cs: Fix bad hashes for Transcend and kingston IDs libata: Fix several inaccuracies in developer's guide slub: Fix bad boundary check in init_kmem_cache_nodes() raid6: fix recovery performance regression KEYS: call_sbin_request_key() must write lock keyrings before modifying them KEYS: Use RCU dereference wrappers in keyring key type code KEYS: find_keyring_by_name() can gain access to a freed keyring ALSA: hda: Fix 0 dB for Packard Bell models using Conexant CX20549 (Venice) ALSA: hda - Add quirk for Dell Inspiron 19T using a Conexant CX20582 ALSA: take tu->qlock with irqs disabled ...
| * drivers/video/efifb.c: support framebuffer for NVIDIA 9400M in MacBook Pro 5,1Thomas Gerlach2010-04-241-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Description of patch: --------------------- This is a patch for the EFI framebuffer driver to enable the framebuffer of the NVIDIA 9400M as found in MacBook Pro (MBP) 5,1 and up. The framebuffer of the NVIDIA graphic cards are located at the following addresses in memory: 9400M: 0xC0010000 9600M GT: 0xB0030000 The patch delivered right here only provides the memory location of the framebuffer of the 9400M device. The 9600M GT is not covered. It is assumed that the 9400M is used when powered up the MBP. The information which device is currently powered and in use is stored in the 64 bytes large EFI variable "gpu-power-prefs". More specifically, byte 0x3B indicates whether 9600M GT (0x00) or 9400M (0x01) is online. The PCI bus IDs are the following: 9400M: PCI 03:00:00 9600M GT: PCI 02:00:00 The EFI variables can be easily read-out and manipulated with "rEFIt", an MBP specific bootloader tool. For more information on how handle rEFIt and EFI variables please consult "http://refit.sourceforge.net" and "http://ubuntuforums.org/archive/index.php/t-1076879.html". IMPORTANT NOTE: The information on how to activate the 9400M device given at "ubuntuforums.org" is not correct, since it states gpu-power-prefs[0x3B] = 0x00 -> 9400M (PCI 02:00:00) gpu-power-prefs[0x3B] = 0x01 -> 9600M GT (PCI 03:00:00) Actually, the assignment of the values and the PCI bus IDs are swapped. Suggestions: ------------ To cover framebuffers of both 9400M and 9600M GT, I would suggest to implement a conditional on "gpu-power-prefs". Depending on the value of byte 0x3B, the according framebuffer is selected. However, this requires kernel access to the EFI variables. [akpm@linux-foundation.org: rename optname, per Peter Jones] Signed-off-by: Thomas Gerlach <t.m.gerlach@freenet.de> Acked-by: Peter Jones <pjones@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | fbdev: allow passing more than one aperture for handoffMarcin Slusarz2010-05-181-3/+8
|/ | | | | | | | | | | | | | It removes a hack from nouveau code which had to detect which region to pass to kick vesafb/efifb. Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com> Cc: Eric Anholt <eric@anholt.net> Cc: Ben Skeggs <bskeggs@redhat.com> Cc: Thomas Hellstrom <thellstrom@vmware.com> Cc: Dave Airlie <airlied@redhat.com> Cc: Peter Jones <pjones@redhat.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Dave Airlie <airlied@redhat.com>
* platform-drivers: move probe to .devinit.text in drivers/videoUwe Kleine-König2010-03-081-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A pointer to a probe callback is passed to the core via platform_driver_register and so the function must not disappear when the .init sections are discarded. Otherwise (if also having HOTPLUG=y) unbinding and binding a device to the driver via sysfs will result in an oops as does a device being registered late. An alternative to this patch is using platform_driver_probe instead of platform_driver_register plus removing the pointer to the probe function from the struct platform_driver. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Cc: Adrian Bunk <bunk@stusta.de> Cc: Alberto Mardegan <mardy@users.sourceforge.net> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Andriy Skulysh <askulysh@gmail.com> Cc: Antonino Daplas <adaplas@gmail.com> Cc: Anton Vorontsov <avorontsov@ru.mvista.com> Cc: Ben Dooks <ben-linux@fluff.org> Cc: Chandramouli Narayanan <mouli@linux.intel.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Frans Pop <elendil@planet.nl> Cc: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com> Cc: Greg Kroah-Hartman <gregkh@suse.de> Cc: Helge Deller <deller@gmx.de> Cc: Huang Ying <ying.huang@intel.com> Cc: Ian Molton <spyro@f2s.com> Cc: Joshua Kinard <kumba@gentoo.org> Cc: Kaj-Michael Lang <milang@tal.org> Cc: Krzysztof Helt <krzysztof.h1@poczta.fm> Cc: linux-fbdev-devel@lists.sourceforge.net Cc: Maciej W. Rozycki <macro@linux-mips.org> Cc: Magnus Damm <damm@igel.co.jp> Cc: Martin Michlmayr <tbm@cyrius.com> Cc: Matthias Kaehlcke <matthias@kaehlcke.net> Cc: Paul Mundt <lethal@linux-sh.org> Cc: Pavel Machek <pavel@suse.cz> Cc: Philipp Zabel <philipp.zabel@gmail.com> Cc: Richard Purdie <rpurdie@rpsys.net> Cc: Roel Kluin <roel.kluin@gmail.com> Cc: Roland Stigge <stigge@antcom.de> Cc: Russell King <rmk+kernel@arm.linux.org.uk> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: Vincent Sanders <vince@simtec.co.uk> Cc: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Acked-by: Ralf Baechle <ralf@linux-mips.org> Acked-by: Arnaud Patard <arnaud.patard@rtp-net.org> Acked-by: James Simmons <jsimmons@infradead.org> Acked-by: Peter Jones <pjones@redhat.com> Acked-by: Jaya Kumar <jayakumar.lkml@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* efifb: fix framebuffer handoffMarcin Slusarz2010-02-231-1/+10
| | | | | | | | | | | | | | | | | | | Commit 4410f3910947dcea8672280b3adecd53cec4e85e ("fbdev: add support for handoff from firmware to hw framebuffers") didn't add fb_destroy operation to efifb. Fix it and change aperture_size to match size passed to request_mem_region. Addresses http://bugzilla.kernel.org/show_bug.cgi?id=15151 Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com> Reported-by: Alex Zhavnerchik <alex.vizor@gmail.com> Tested-by: Alex Zhavnerchik <alex.vizor@gmail.com> Acked-by: Peter Jones <pjones@redhat.com> Cc: Huang Ying <ying.huang@intel.com> Cc: Dave Airlie <airlied@redhat.com> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* fbdev: add support for handoff from firmware to hw framebuffersDave Airlie2009-06-171-1/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | With KMS we have ran into an issue where we really want the KMS fb driver to be the one running the console, so panics etc can be shown by switching out of X etc. However with vesafb/efifb built-in, we end up with those on fb0 and the KMS fb driver on fb1, driving the same piece of hw, so this adds an fb info flag to denote a firmware fbdev, and adds a new aperture base/size range which can be compared when the hw drivers are installed to see if there is a conflict with a firmware driver, and if there is the firmware driver is unregistered and the hw driver takes over. It uses new aperture_base/size members instead of comparing on the fix smem_start/length, as smem_start/length might for example only cover the first 1MB of the PCI aperture, and we could allocate the kms fb from 8MB into the aperture, thus they would never overlap. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Dave Airlie <airlied@redhat.com> Acked-by: Peter Jones <pjones@redhat.com> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Krzysztof Helt <krzysztof.h1@poczta.fm> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* efifb: exit if framebuffer address is invalidMatthew Garrett2009-04-141-2/+5
| | | | | | | | | | | | efifb will attempt to ioremap a framebuffer even if its starting address is 0, failing and causing an ugly backtrace in the process. Exit before probing if this is the case. Signed-off-by: Matthew Garrett <mjg@redhat.com> Acked-by: Peter Jones <pjones@redhat.com> Cc: Krzysztof Helt <krzysztof.h1@poczta.fm> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* efifb: dmi set video typeBrian Maly2009-04-011-1/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The current logic for dmi matching in efifb does not allow efifb to load on all hardware that we can dmi match for. For a real world example, boot with elilo (3.7 or 3.8 vanilla) and on a Apple (MacBook) and EFI framebuffer driver will not load (you will have no video). This specific hardware is efi v1.10, so we have UGA and not GOP. Without special bootloader magic (i.e. extra elilo patches for UGA graphics detection) no screen info will be passed to the kernel and as a result efifb will not load. This patch allows the dmi match to happen by moving it to earlier in efifb_init, and sets the video type (in set_system) so that efifb can load when we have a valid dmi match and already know the specifics of the hardware. Without this patch the efifb driver will fail to load in the event screen info is not found and passed in by the bootloader, being that we will never get to look for a dmi match. A primary reason for matching with dmi is because not all bootloaders detect the video info properly. The solution is that in the event of a dmi match, we should set screen_info.orig_video_isVGA. Most bootloaders fail to set screen info on Apple hardware, and this is a big problem for people who use Apple hardware. Tested on a MacBook SantaRosa with elilo-3.8 (vanilla) and resolves the issue, the dmi match now works, EFI framebuffer now loads and video works. Signed-off-by: Brian Maly <bmaly@redhat.com> Acked-by: Huang Ying <ying.huang@intel.com> Cc: Krzysztof Helt <krzysztof.h1@poczta.fm> Cc: Chandramouli Narayanan <mouli@linux.intel.com> Acked-by: Peter Jones <pjones@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* efifb/imacfb consolidation + hardware supportPeter Jones2008-10-161-10/+181
| | | | | | | | | | | | | | | | Remove imacfb entirely, merging its DMI table into the (otherwise very similar) efifb driver. This also adds hardware support for many of the newer Intel Apple hardware. This has been fairly well tested; we've been shipping it in Fedora for some time. Signed-off-by: Peter Jones <pjones@redhat.com> Cc: Krzysztof Helt <krzysztof.h1@poczta.fm> Cc: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com> Cc: Jaya Kumar <jayakumar.lkml@gmail.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Maciej W. Rozycki <macro@linux-mips.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* x86_64 EFI boot support: EFI frame buffer driverHuang, Ying2007-11-291-0/+232
This patch adds Graphics Output Protocol support to the kernel. UEFI2.0 spec deprecates Universal Graphics Adapter (UGA) protocol and only Graphics Output Protocol (GOP) is produced. Therefore, the boot loader needs to query the UEFI firmware with appropriate Output Protocol and pass the video information to the kernel. As a result of GOP protocol, an EFI framebuffer driver is needed for displaying console messages. The patch adds a EFI framebuffer driver. The EFI frame buffer driver in this patch is based on the Intel Mac framebuffer driver. The ELILO bootloader takes care of passing the video information as appropriate for EFI firmware. The framebuffer driver has been tested in i386 kernel and x86_64 kernel on EFI platform. Signed-off-by: Chandramouli Narayanan <mouli@linux.intel.com> Signed-off-by: Huang Ying <ying.huang@intel.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@elte.hu> Cc: Andi Kleen <ak@suse.de> Cc: "Antonino A. Daplas" <adaplas@pol.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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