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2009-11-09drm/i915: add B43 chipset supportFabian Henze
commit 7839c5d5519b6d9e2ccf3cdbf1c39e3817ad0835 upstream. Signed-off-by: Fabian Henze <hoacha@quantentunnel.de> Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com> Signed-off-by: Eric Anholt <eric@anholt.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-11-09drm/i915: fix panel fitting filter coefficient select for IronlakeZhenyu Wang
commit b1f60b7029989da71fd8ea1b1176480fac9e846c upstream. Must set filter selection as hardcoded coefficients for medium 3x3 filtering, which matches vbios setting for Ironlake. This fixes display corrupt issue on HP arrandale with new vbios. Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com> Signed-off-by: Eric Anholt <eric@anholt.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-11-09drm/i915: fix to setup display reference clock control on IronlakeZhenyu Wang
commit c038e51e841581cc3fb9a76e5e16331331e9c85c upstream. For new stepping of PCH, the display reference clock is fully under driver's control. This one trys to setup all needed reference clock for different outputs. Older stepping of PCH chipset should be ignoring this. This fixes output failure issue on newer PCH which requires driver to take control of reference clock enabling. Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com> Signed-off-by: Eric Anholt <eric@anholt.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-11-09drm/i915: Fix FDI M/N setting according with correct color depthZhenyu Wang
commit 58a27471d00dc09945cbcfbbc5cbcdcd3c28211d upstream. FDI M/N calculation hasn't taken the current pipe color depth into account, but always set as 24bpp. This one checks current pipe color depth setting, and change FDI M/N calculation a little to use bits_per_pixel first, then convert to bytes_per_pixel later. This fixes display corrupt issue on Arrandle LVDS with 1600x900 panel in 18bpp dual-channel mode. Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com> Signed-off-by: Eric Anholt <eric@anholt.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-10-05drm/i915: Handle ERESTARTSYS during page faultChris Wilson
commit c715089f49844260f1eeae8e3b55af9468ba1325 upstream. During a page fault and rebinding the buffer there exists a window for a signal to arrive during the i915_wait_request() and trigger a ERESTARTSYS. This used to be handled by returning SIGBUS and thereby killing the application. Try 'cairo-perf-trace & cairo-test-suite' and watch X go boom! The solution as suggested by H. Peter Anvin is to simply return NOPAGE and leave the higher layers to spot we did not fill the page and resubmit the page fault. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> [anholt: Mostly squash it with another commit] Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-10-05agp/intel: Fix the pre-9xx chipset flush.Eric Anholt
commit e517a5e97080bbe52857bd0d7df9b66602d53c4d upstream. Ever since we enabled GEM, the pre-9xx chipsets (particularly 865) have had serious stability issues. Back in May a wbinvd was added to the DRM to work around much of the problem. Some failure remained -- easily visible by dragging a window around on an X -retro desktop, or by looking at bugzilla. The chipset flush was on the right track -- hitting the right amount of memory, and it appears to be the only way to flush on these chipsets, but the flush page was mapped uncached. As a result, the writes trying to clear the writeback cache ended up bypassing the cache, and not flushing anything! The wbinvd would flush out other writeback data and often cause the data we wanted to get flushed, but not always. By removing the setting of the page to UC and instead just clflushing the data we write to try to flush it, we get the desired behavior with no wbinvd. This exports clflush_cache_range(), which was laying around and happened to basically match the code I was otherwise going to copy from the DRM. Signed-off-by: Eric Anholt <eric@anholt.net> Signed-off-by: Brice Goglin <Brice.Goglin@ens-lyon.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-10-05drm/i915: fix tiling on IGDNGZhenyu Wang
commit 553bd149bb2de7848b2b84642876f27202421368 upstream. It seems that on IGDNG the same swizzling setup always applys. And front buffer tiling needs to set address swizzle in display arb control too. Fix plane tricle feed setting in v1 which should be disable bit, and always setup address swizzle to let hardware care for buffer tiling in all cases. Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com> Signed-off-by: Eric Anholt <eric@anholt.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-10-05drm/I915: Use the CRT DDC to get the EDID for DVI-connector on MacKeith Packard
commit 57cdaf90f5f607eb029356074fefb66c9b1c0659 upstream. mac Mini's have a single DDC line on the DVI connector, shared between the analog link and the digital link. So, if DDC isn't detected on GPIOE (the usual SDVO DDC link), try GPIOA (the usual VGA DDC link) when there isn't a VGA monitor connected. Signed-off-by: Keith Packard <keithp@keithp.com> Signed-off-by: Zhao Yakui <yakui.zhao@intel.com> Signed-off-by: Eric Anholt <eric@anholt.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-10-05drm/i915: Fix LVDS panel fitting on ArrandaleZhenyu Wang
commit 8dd81a381e8886129c0923f1fe22ff5ca36ae8da upstream. Arrandale has new window based method for panel fitting. This one enables full screen aspect scaling on LVDS. It fixes standard mode display failure on LVDS for Arrandale. Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-10-05drm/i915: Remove DAC disable in CRT force detect on IGDNGZhenyu Wang
commit 730915d65f9e763de9dc26c5f1b8abaae775b243 upstream. This is not required on newer stepping hardware to get reliable force detect status. Removing this fixes screen blank flicker in CRT detect on IGDNG. Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-10-05drm/i915: Fix SSC frequence for IGDNGZhenyu Wang
commit 339e5a4c78041cd7b473ddf0a81eb06a131127bb upstream. IGDNG LVDS SSC uses 120Mhz freq. This fixes one 1600x900 LVDS panel black issue on IGDNG with SSC enabled. Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-10-05drm/i915: Fix typo for wrong LVDS clock setting on IGDNGZhenyu Wang
commit b09aea7fb38f328c02e9f9b79617cabed02455e4 upstream. New register for PCH LVDS on IGDNG should be used. This is a copy-n-paste typo. This fixes possible dual channel LVDS panel failure on IGDNG. Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-10-05drm/i915: Check that the relocation points to within the targetChris Wilson
commit cd0b9fb400ba775737bdc3874c4cbee4047e66d8 upstream. Eric noted a potential concern with the low bits not being strictly used as part of the absolute offset (instead part of the command stream to the GPU), but in practice that should not be an issue. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Tested-by: Andy Whitcroft <apw@canonical.com> Cc: Eric Anholt <eric@anholt.net> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-10-05drm/i915: Add buffer to inactive list immediately during faultChris Wilson
commit 4960aaca14010b9ff92e5726dd178cbd6805d412 upstream. If we failed to set the domain, the buffer was no longer being tracked on any list. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-10-05drm/i915: prevent FIFO calculation overflows on 32 bits with high dotclocksJesse Barnes
commit d660467c3ff2a0b7413e1b7a51452b34ffb49e5f upstream. A very high dotclock (e.g. 229500kHz as reported by Anton) can cause the entries_required variable to overflow, potentially leading to a FIFO watermark value that's too low to support the given mode. Split the division across the calculation to avoid this. Reported-by: Anton Khirnov <wyskas@gmail.com> Tested-by: Anton Khirnov <wyskas@gmail.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-10-05drm/i915: Only destroy a constructed mmap offsetChris Wilson
commit 7e61615857c6fb3afbcb43f5c4e97511a923f5a8 upstream. drm_ht_remove_item() does not handle removing an absent item and the hlist in particular is incorrectly initialised. The easy remedy is simply skip calling i915_gem_free_mmap_offset() unless we have actually created the offset and associated ht entry. This also fixes the mishandling of a partially constructed offset which leaves pointers initialized after freeing them along the i915_gem_create_mmap_offset() error paths. In particular this should fix the oops found here: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/415357/comments/8 Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Eric Anholt <eric@anholt.net>
2009-10-05drm/i915: remove restore in resumeZhenyu Wang
commit b7e53aba2f0e6abf23e3f07b38b241145c33a005 upstream. Don't need extra config restore like for intel_agp, which might cause resume hang issue found by Alan on 845G. Cc: Stable Team <stable@kernel.org> Cc: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-09-08i915: disable interrupts before tearing down GEM stateLinus Torvalds
Reinette Chatre reports a frozen system (with blinking keyboard LEDs) when switching from graphics mode to the text console, or when suspending (which does the same thing). With netconsole, the oops turned out to be BUG: unable to handle kernel NULL pointer dereference at 0000000000000084 IP: [<ffffffffa03ecaab>] i915_driver_irq_handler+0x26b/0xd20 [i915] and it's due to the i915_gem.c code doing drm_irq_uninstall() after having done i915_gem_idle(). And the i915_gem_idle() path will do i915_gem_idle() -> i915_gem_cleanup_ringbuffer() -> i915_gem_cleanup_hws() -> dev_priv->hw_status_page = NULL; but if an i915 interrupt comes in after this stage, it may want to access that hw_status_page, and gets the above NULL pointer dereference. And since the NULL pointer dereference happens from within an interrupt, and with the screen still in graphics mode, the common end result is simply a silently hung machine. Fix it by simply uninstalling the irq handler before idling rather than after. Fixes http://bugzilla.kernel.org/show_bug.cgi?id=13819 Reported-and-tested-by: Reinette Chatre <reinette.chatre@intel.com> Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-08drm/i915: fix mask bits settingZhenyu Wang
eDP is exclusive connector too, and add missing crtc_mask setting for TV. This fixes http://bugzilla.kernel.org/show_bug.cgi?id=14139 Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com> Reported-and-tested-by: Carlos R. Mafra <crmafra2@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-07Merge branch 'drm-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6 * 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: drm/radeon/kms: add LTE/GTE discard + rv515 two sided stencil register.
2009-09-07drm/radeon/kms: add LTE/GTE discard + rv515 two sided stencil register.Dave Airlie
This adds some rv350+ register for LTE/GTE discard, and enables the rv515 two sided stencil register. It also disables the DEPTHXY_OFFSET register which can be used to workaround the CS checker. Moves rs690 to proper place in rs600 and uses correct table on rs600. Signed-off-by: Dave Airlie <airlied@redhat.com>
2009-09-02drm/i915: Unref old_obj on get_fence_reg() error pathChris Wilson
Remember to release the local reference if we fail to wait on the rendering. (Also whilst in the vicinity add some whitespace so that the phasing of the operations is clearer.) Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Eric Anholt <eric@anholt.net>
2009-09-02drm/i915: increase default latency constant (v2 w/comment)Jesse Barnes
Some i915/i945 platforms have a fairly high memory latency in certain situations, so increase our constant a bit to avoid FIFO underruns. The effect should be positive on other platforms as well; we'll have a bit more insurance against a busy memory subsystem due to the extra FIFO entries. Fixes fdo bug #23368. Needed for 2.6.31. Tested-by: Sven Arvidsson <sa@whiz.se> Tested-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Eric Anholt <eric@anholt.net>
2009-08-31Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/anholt/drm-intel * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/anholt/drm-intel: drm/i915: Improve CRTDDC mapping by using VBT info drm/i915: Fix CPU-spinning hangs related to fence usage by using an LRU. drm/i915: Set crtc/clone mask in different output devices drm/i915: Always use SDVO_B detect bit for SDVO output detection. drm/i915: Fix typo that broke SVID1 in intel_sdvo_multifunc_encoder() drm/i915: Check if BIOS enabled dual-channel LVDS on 8xx, not only on 9xx drm/i915: Set the multiplier for SDVO on G33 platform
2009-08-29drm/i915: Improve CRTDDC mapping by using VBT infoDavid Müller (ELSOFT AG)
Use VBT information to determine which DDC bus to use for CRTDCC. Fall back to GPIOA if VBT info is not available. Signed-off-by: David Müller <d.mueller@elsoft.ch> Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Eric Anholt <eric@anholt.net> Tested on: 855 (David), and 945GM, 965GM, GM45, and G45 (anholt)
2009-08-29drm/i915: Fix CPU-spinning hangs related to fence usage by using an LRU.Eric Anholt
The lack of a proper LRU was partially worked around by taking the fence from the object containing the oldest seqno. But if there are multiple objects inactive, then they don't have seqnos and the first fence reg among them would be chosen. If you were trying to copy data between two mappings, this could result in each page fault stealing the fence from the other argument, and your application hanging. https://bugs.freedesktop.org/show_bug.cgi?id=23566 https://bugs.freedesktop.org/show_bug.cgi?id=23220 https://bugs.freedesktop.org/show_bug.cgi?id=23253 https://bugs.freedesktop.org/show_bug.cgi?id=23366 Cc: Stable Team <stable@kernel.org> Signed-off-by: Eric Anholt <eric@anholt.net> Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
2009-08-24drm/i915: Set crtc/clone mask in different output devicesMa Ling
Based on Bspec each encoder has different sharing pipe property, i.e. Integrated or SDVO TV both will occupy one pipe exclusively, and sdvo-non-tv and crt are allowed to share one. The patch moves sharing judgment into differnet output functions, and sets the right clone bit. This fixes both HDMI outputs choosing the same pipe. https://bugs.freedesktop.org/show_bug.cgi?id=22247 Signed-off-by: Ma Ling <ling.ma@intel.com> Reviewed-by : Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Zhao Yakui <yakui.zhao@intel.com> Signed-off-by: Eric Anholt <eric@anholt.net>
2009-08-24drm/i915: Always use SDVO_B detect bit for SDVO output detection.Ma Ling
After the following commit is shipped, the SDVO C detection will depend on the SDVO_C/DP detion bit. commit 13520b051e8888dd3af9bda639d83e7df76613d1 Author: Kristian Høgsberg <krh@redhat.com> Date: Fri Mar 13 15:42:14 2009 -0400 drm/i915: Read the right SDVO register when detecting SVDO/HDMI. According to the spec we should continue to detect the SDVO_B/C based on the SDVO_B detection bit. The new detection bit on G4X platform is for the HDMI_C detection rather than SDVO_C detection. https://bugs.freedesktop.org/show_bug.cgi?id=20639 Signed-off-by: Ma Ling <ling.ma@intel.com> Acked-by: Zhao Yakui <yakui.zhao@intel.com> Signed-off-by: Eric Anholt <eric@anholt.net>
2009-08-24drm/i915: Fix typo that broke SVID1 in intel_sdvo_multifunc_encoder()Roel Kluin
Bit SDVO_OUTPUT_SVID0 was tested twice Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: Eric Anholt <eric@anholt.net>
2009-08-24drm/i915: Check if BIOS enabled dual-channel LVDS on 8xx, not only on 9xxBruno Prémont
Commit 0c2e39525b3b53a97a0202c5f35058147e53977e is not sufficient to get fd.o bug #20115 fixed. In addition intel_find_best_PLL() must not only rely on BIOS settings for i9xx chips but also for i8xx, so drop the IS_I9XX() check. Signed-off-by: Bruno Prémont <bonbons@linux-vserver.org> Signed-off-by: Eric Anholt <eric@anholt.net>
2009-08-24drm/i915: Set the multiplier for SDVO on G33 platformSean Young
http://bugs.freedesktop.org/show_bug.cgi?id=21417 Signed-off-by: Sean Young <sean@mess.org> Reviewed-by: Zhao Yakui <yakui.zhao@intel.com> Acked-by: Zhenyu Wang <zhenyuw@linux.intel.com> Signed-off-by: Eric Anholt <eric@anholt.net>
2009-08-23drm/radeon/kms: Fix radeon_gem_busy_ioctl harder.Michel Dänzer
It was mixing up TTM placement values and flags. Signed-off-by: Michel Dänzer <daenzer@vmware.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2009-08-21drm/radeon: add GET_PARAM/INFO support for Z pipesAlex Deucher
Needed for occlusion queries on rv530 chips. Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2009-08-21drm/radeon/kms: add r100/r200 OQ support.Dave Airlie
This adds the relocation necessary for OQ support on the r100/r200 chipsets. Signed-off-by: Dave Airlie <airlied@redhat.com>
2009-08-21drm: Fix sysfs device confusion.Thomas Hellstrom
The drm sysfs class suspend / resume methods could not distinguish between different device types wich could lead to illegal type casts. Use struct device_type and make sure the class suspend / resume callbacks are aware of those. There is no per device-type suspend / resume. Only new-style PM. Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Dave Airlie <airlied@redhat.com>
2009-08-21drm/radeon/kms: implement the bo busy ioctl properly.Dave Airlie
The previous patch assumes the ioctl already existed, when it actually didn't. It also didn't return the correct error code. Signed-off-by: Dave Airlie <airlied@redhat.com>
2009-08-19drm/kms: teardown crtc correctly when fb is destroyed.Dave Airlie
If userspace destroys a framebuffer that is in use on a crtc, don't just null it out, tear down the crtc properly so the hw gets turned off. Signed-off-by: Dave Airlie <airlied@redhat.com>
2009-08-19drm/kms/radeon: cleanup combios TV table like DDX.Dave Airlie
The fallback case wasn't getting executed properly if there was no TV table, which my T42 M7 hasn't got. Signed-off-by: Dave Airlie <airlied@redhat.com>
2009-08-19drm/radeon/kms: memset the allocated framebuffer before using it.Dave Airlie
This gets rid of some ugliness, we shuold probably find a way for the GPU to zero this. Signed-off-by: Dave Airlie <airlied@redhat.com>
2009-08-19drm/radeon/kms: although LVDS might be possible on crtc 1 don't do it.Dave Airlie
LVDS always requests RMX_FULL, we need to fix it so that doesn't happen before we can enable LVDS on crtc 1. Signed-off-by: Dave Airlie <airlied@redhat.com>
2009-08-17drm/radeon/kms: implement bo busy check + current domainDave Airlie
This implements the busy ioctl along with a current domain check. returns 0 or -EBUSY puts the current domain no matter what the answer. Signed-off-by: Dave Airlie <airlied@redhat.com>
2009-08-16drm/radeon/kms: cut down indirects in register accesses.Dave Airlie
We really don't want to be doing all these indirects, updating the GPU gart table is something we do often so the less overhead the better. Signed-off-by: Dave Airlie <airlied@redhat.com>
2009-08-16drm/radeon/kms: Fix up vertical blank interrupt support.Michel Dänzer
Fixes 3D apps timing out in the WAIT_VBLANK ioctl. AVIVO bits compile-tested only. Signed-off-by: Michel Dänzer <daenzer@vmware.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2009-08-16drm/radeon/kms: add rv530 R300_SU_REG_DEST + reloc for ZPASS_ADDRDave Airlie
These are needed for Occulsion Query support. Signed-off-by: Dave Airlie <airlied@redhat.com>
2009-08-15drm/edid: fixup detailed timings like the X server.Dave Airlie
this syncs the versioning check with the code the X server uses. Reported-by: Anssi Hannula <anssi.hannula@iki.fi> Signed-off-by: Dave Airlie <airlied@redhat.com>
2009-08-15drm/radeon/kms: Add specific rs690 authorized register tableJerome Glisse
rs690 is r3xx 3D engine with AVIVO modesetting so we need to allow AVIVO register for vline synchronization. This add a specific table to rs690 to handle that. Thanks to Marc (marvin24) for debugging this and kudos to Andre (taiu1) for spotting the origin of the bugs. Signed-off-by: Jerome Glisse <jglisse@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2009-08-09drm/i915: silence vblank warningsFrans Pop
these errors are pretty pointless Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Dave Airlie <airlied@redhat.com>
2009-08-09drm: silence pointless vblank warning.Paul Rolland
Some applications/hardware combinations are triggering the message "failed to acquire vblank counter" to be issued up to 20 times a second, which makes it both useless and dangerous, as this may hide other important messages. This changes makes it only appear when people are debugging. Signed-off-by: Paul Rolland <rol@as2917.net> Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org> Lost-twice-by: Dave Airlie <airlied@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2009-08-09drm: When adding probed modes, preserve duplicate mode typesKeith Packard
The code which takes probed modes and adds them to a connector eliminates duplicate modes by comparing them using drm_mode_equal. That function doesn't consider the type bits, which means that any modes which differ only in the type field will be lost. One of the bits in the mode->type field is the DRM_MODE_TYPE_PREFERRED bit. If the mode with that bit is lost, then higher level code will not know which mode to select, causing a random mode to be used instead. This patch simply merges the two mode type bits together; that seems reasonable to me, but perhaps only a subset of the bits should be used? None of these can be user defined as they all come from looking at just the hardware. Signed-off-by: Keith Packard <keithp@keithp.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2009-08-07Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/anholt/drm-intel * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/anholt/drm-intel: (22 commits) drm/i915: Fix read outside array bounds in restoring the SWF10 range. drm/i915: Use our own workqueue to avoid wedging the system along with the GPU. drm/i915: Add support for dual-channel LVDS on 8xx. drm/i915: Return disconnected for SDVO DVI when there's no digital EDID. drm/i915: Choose real sdvo output according to result from detection drm/i915: Set preferred mode for integrated TV according to TV format drm/i915: fix 845G FIFO size & burst length drm/i915: fix VGA detect on IGDNG drm/i915: Add eDP support on IGDNG mobile chip drm/i915: enable DisplayPort support on IGDNG drm/i915: Fix channel ending action for DP aux transaction drm/i915: fix issue in display pipe setup on IGDNG drm/i915: disable VGA plane reliably drm/I915: Fix offset to DVO timings in LVDS data drm/i915: hdmi detection according by reading edid drm/i915: correct self-refresh calculation in "everything off" case drm/i915: handle FIFO oversubsription correctly drm/i915: FIFO watermark calculation fixes drm/i915: ignore lvds on AOpen Mini PC MP-915 drm/i915: Allow frame buffers up to 4096x4096 on 915/945 class hardware ...
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