Increase the DSS_FCLK and DSI_FCLK max supported frequencies, these come because
some frequencies were increased from OMAP5 ES1 to OMAP5 ES2. We support only
OMAP5 ES2 in the kernel, so replace the ES1 values with ES2 values. Increase the
DSI PLL Fint range, this was previously just copied from the OMAP4 param range
struct.
Fix the maximum DSS_FCLK on OMAP2, it's 133 Mhz according to the TRM.
Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Each version of OMAP has a limitation on the maximum pixel clock frequency
supported by an overlay manager. This limit isn't checked by omapdss. Add
dispc feats for lcd and tv managers and check whether the target timings can
be supported or not.
The pixel clock limitations are actually more complex. They depend on which OPP
OMAP is in, and they also depend on which encoder is the manager connected to.
The OPP dependence is ignored as DSS forces the PM framework to be on OPP100
when DSS is enabled, and the encoder dependencies are ignored by DISPC for now.
These limits should come from the encoder driver.
The OMAP2 TRM doesn't mention the maximum pixel clock limit. This value is left
as half of DSS_FCLK, as OMAP2 requires the PCD to be atleast 2.
Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Use PTR_RET function instead of IS_ERR and PTR_ERR.
Patch found using coccinelle.
Signed-off-by: Alexandru Gheorghiu <gheorghiuandru@gmail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
We use the DMA ring rather than the GFX ring for
bo moves. This code was never used and commented out.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
v2: set UVD tiling config for rv730
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Just until we get proper DPM for that.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Just everything needed to decode videos using UVD.
v6: just all the bugfixes and support for R7xx-SI merged in one patch
v7: UVD_CGC_GATE is a write only register, lockup detection fix
v8: split out VRAM fallback changes, remove support for RV770,
add support for HEMLOCK, add buffer sizes checks
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Let the CS module decide if we can fall back to VRAM or not.
v2: remove unintended change
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
v2: update error message and comment
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This patch allows the CPU to map the stolen vram segment
directly rather than going through the PCI BAR. This
significantly improves performance for certain workloads with
a properly patched ddx.
Use radeon.fastfb=1 to enable it (disabled by default).
Currently only supported on RS690, but support for RS780/880
and newer APUs may be added eventually.
Signed-off-by: Samuel Li <samuel.li@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Add a per-asic MC (memory controller) mask which holds the
mak address mask the asic is capable of. Use this when
calculating the vram and gtt locations rather using asic
specific functions or limiting everything to 32 bits.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
FIXME: This is based on some HW being used for a demo. We should
probably wait until we have confirmation on the IDs before upstreaming
this patch.
v2: Use GEN7_FEATURES (Chris)
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Set up PCH_NOP when we match a certain platform.
v2: Just do a num_pipes check + comment instead of trying to check the
platform (Daniel)
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
BIOS should be setting this, but in case it doesn't...
v2: Define the bits we actually want to clear (Jesse)
Make it an RMW op (Jesse)
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Interrupts, clock gating, LVDS, and GMBUS are all within the, "this will
be bad for CPU" range when we have PCH_NOP.
There is a bit of a hack in init clock gating. We want to do most of the
clock gating, but the part we skip will hang the system. It could
probably be abstracted a bit better, but I don't feel it's too
unsightly.
v2: Use inverse HAS_PCH_NOP check (Jani)
v3: Actually do what I claimed in v2 (spotted by Daniel)
Merge Ivybridge IRQ handler PCH check to decrease whitespace (Daniel)
Move LVDS bail into this patch (Ben)
v4: logical rebase conflict resolution with SDEIIR (Ben)
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Brush up patch a bit and resolve conflicts:
- Adjust PCH_NOP checks due to Egbert's hpd handling rework.
- Addd a PCH_NOP check in the irq uninstall code.
- Resolve conflicts with Paulo's SDE irq handling race fix.
v5: Drop the added hunks in the ilk irq handler again, they're bogus.
OOps.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Doesn't affect anything as the same address gets written
in both cases.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
The state of the SDVO chip is more difficult to save than the LVDS so we do a
full mode set on the crtc to get SDVO operational again. The SDVOB/C register is
also stored just in case we have special bits set in the future.
Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Currently we do whatever is done during suspend/resume but we might need some
more work for hibernation so keep them in separate functions.
Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
This patch activates the rebuilding of the gtt. Currently we reinitialize the
gtt by inserting the stolen pages again and map the rest to our scratch page.
Then we go about restoring the needed ranges. This is a bit overkill but right
now we don't have that much to restore so better safe than sorry.
Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Given certain fusing options discussed in the previous patch, it's
possible to end up with platforms that normally have PCH but that PCH
doesn't actually exist. In many cases, this is easily remedied with
setting 0 pipes. This covers the other corners.
Requiring this is a symptom of improper code splitting (using
HAS_PCH_SPLIT instead of proper GEN checking, basically). I do not want
to fix this.
v2: Remove PCH reflck after change in previous patch (Daniel)
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
GEN supports a fusing option which subtracts the PCH display (making the
CPU display also useless). In this configuration MMIO which gets decoded
to a certain range will hang the CPU.
For us, this is sort of the equivalent of having no pipes, and we can
easily modify some code to not do certain things with no pipes.
v2: Moved the num pipes check up in the call chain, and removed extra
checks noted by Daniel. For more details, see:
http://lists.freedesktop.org/archives/intel-gfx/2013-March/025746.html
v3: Drop the intel_setup_overlay check (Daniel)
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Otherwise running igt will fill your dmesg with hang notices and it's
hard to judge from a quick look whether they're expected or not.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
The behaviour around handling the eDP bpp value from vbt has been
slightly changed in
commit 3600836585
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Wed Mar 27 00:44:59 2013 +0100
drm/i915: convert DP autodither code to new infrastructure
The old behaviour was that we used the plane's bpp (usually 24bpp) for
computing the dp link bw, but set up the pipe with the bpp value from
vbt if available. This takes the vbt bpp override into account even
for the dp link bw configuration.
On Paulo's hsw machine this resulted in a slower link clock and a
black screen - but the mode actually /should/ fit even with the lower
clock. Until we've cleared up simply stay bug-for-bug compatible with
the old code.
While at it, also restore a debug message lost in:
commit 4e53c2e010
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Wed Mar 27 00:44:58 2013 +0100
drm/i915: precompute pipe bpp before touching the hw
Cc: Paulo Zanoni <przanoni@gmail.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Tested-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This reverts commit deb18211a1.
It completely breaks the logic, since when we fall through to the end
of the function we actually _have_ figured out the correct pipe.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
VLV docs still list the the color range selection bit for the HDMI
ports, but for DP ports it has been repurposed.
I have no idea whether the HDMI color range selection bit still works
on VLV, but since we now have to use the PIPECONF color range bit for
DP, we might as well do the same for HDMI.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
VLV has the color range selection bit in the PIPECONF register.
Configure it appropriately.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
[danvet: fixup rebase issues due to slightly different baseline.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
The "Mobile Sandy Bridge CPUs" in the Fujitsu Esprimo Q900
mini desktop PCs are probably misleading the LVDS detection
code in intel_lvds_supported. Nothing is connected to the
LVDS ports in these systems.
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Daniel writes:
Highlights:
- Imre's for_each_sg_pages rework (now also with the stolen mem backed
case fixed with a hack) plus the drm prime sg list coalescing patch from
Rahul Sharma. I have some follow-up cleanups pending, already acked by
Andrew Morton.
- Some prep-work for the crazy no-pch/display-less platform by Ben.
- Some vlv patches, by far not all (Jesse et al).
- Clean up the HDMI/SDVO #define confusion (Paulo)
- gen2-4 vblank fixes from Ville.
- Unclaimed register warning fixes for hsw (Paulo). More still to come ...
- Complete pageflips which have been stuck in a gpu hang, should prevent
stuck gl compositors (Ville).
- pm patches for vt-switchless resume (Jesse). Note that the i915 enabling
is not (yet) included, that took a bit longer to settle. PM patches are
acked by Rafael Wysocki.
- Minor fixlets all over from various people.
* tag 'drm-intel-next-2013-03-23' of git://people.freedesktop.org/~danvet/drm-intel: (79 commits)
drm/i915: Implement WaSwitchSolVfFArbitrationPriority
drm/i915: Set the VIC in AVI infoframe for SDVO
drm/i915: Kill a strange comment about DPMS functions
drm/i915: Correct sandybrige overclocking
drm/i915: Introduce GEN7_FEATURES for device info
drm/i915: Move num_pipes to intel info
drm/i915: fixup pd vs pt confusion in gen6 ppgtt code
style nit: Align function parameter continuation properly.
drm/i915: VLV doesn't have HDMI on port C
drm/i915: DSPFW and BLC regs are in the display offset range
drm/i915: set conservative clock gating values on VLV v2
drm/i915: fix WaDisablePSDDualDispatchEnable on VLV v2
drm/i915: add more VLV IDs
drm/i915: use VLV DIP routines on VLV v2
drm/i915: add media well to VLV force wake routines v2
drm/i915: don't use plane pipe select on VLV
drm: modify pages_to_sg prime helper to create optimized SG table
drm/i915: use for_each_sg_page for setting up the gtt ptes
drm/i915: create compact dma scatter lists for gem objects
drm/i915: handle walking compact dma scatter lists
...
find_vma() can be called by multiple threads with read lock
held on mm->mmap_sem and any of them can update mm->mmap_cache.
Prevent compiler from re-fetching mm->mmap_cache, because other
readers could update it in the meantime:
thread 1 thread 2
|
find_vma() | find_vma()
struct vm_area_struct *vma = NULL; |
vma = mm->mmap_cache; |
if (!(vma && vma->vm_end > addr |
&& vma->vm_start <= addr)) { |
| mm->mmap_cache = vma;
return vma; |
^^ compiler may optimize this |
local variable out and re-read |
mm->mmap_cache |
This issue can be reproduced with gcc-4.8.0-1 on s390x by running
mallocstress testcase from LTP, which triggers:
kernel BUG at mm/rmap.c:1088!
Call Trace:
([<000003d100c57000>] 0x3d100c57000)
[<000000000023a1c0>] do_wp_page+0x2fc/0xa88
[<000000000023baae>] handle_pte_fault+0x41a/0xac8
[<000000000023d832>] handle_mm_fault+0x17a/0x268
[<000000000060507a>] do_protection_exception+0x1e2/0x394
[<0000000000603a04>] pgm_check_handler+0x138/0x13c
[<000003fffcf1f07a>] 0x3fffcf1f07a
Last Breaking-Event-Address:
[<000000000024755e>] page_add_new_anon_rmap+0xc2/0x168
Thanks to Jakub Jelinek for his insight on gcc and helping to
track this down.
Signed-off-by: Jan Stancek <jstancek@redhat.com>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Hugh Dickins <hughd@google.com>
Cc: stable@vger.kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
mounted R/O and then remounted R/W.
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Merge tag 'upstream-3.9-rc6' of git://git.infradead.org/linux-ubifs
Pull UBIFS fix from Artem Bityutskiy:
"Make the space fixup feature work in the case when the file-system is
first mounted R/O and then remounted R/W."
* tag 'upstream-3.9-rc6' of git://git.infradead.org/linux-ubifs:
UBIFS: make space fixup work in the remount case
Pull HID fixes from Jiri Kosina:
- Workaround for device ID conflict between Masterkit MA901 usb radio
device and Atmel V-USB devices, to avoid regressions from older
kernels, by Alexey Klimov
- fix for possible race during input device registration in magicmouse
driver, by Benjamin Tissoires
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid:
HID: magicmouse: fix race between input_register() and probe()
media: radio-ma901: return ENODEV in probe if usb_device doesn't match
HID: fix Masterkit MA901 hid quirks
- Fix erroneous return value in the ICH driver
- Make the STMPE driver proper properly on device tree boots
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Merge tag 'gpio-fixes-v3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO fixes from Linus Walleij:
"Two GPIO fixes for the v3.9 series:
- Fix erroneous return value in the ICH driver
- Make the STMPE driver proper properly on device tree boots"
* tag 'gpio-fixes-v3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
gpio: stmpe: pass DT node to irqdomain
gpio-ich: Fix value returned by ichx_gpio_request
Since kernel 3.7, it appears that the input registration occured before
the end of magicmouse_setup_input(). This is shown by receiving a lot of
"EV_SYN SYN_REPORT 1" instead of normal "EV_SYN SYN_REPORT 0".
This value means that the output buffer is full, and the user space
is loosing events.
Using .input_configured guarantees that the race is not occuring, and that
the call of "input_set_events_per_packet(input, 60)" is taken into account
by input_register().
Fixes:
https://bugzilla.redhat.com/show_bug.cgi?id=908604
Cc: stable@vger.kernel.org
Reported-and-Tested-By: Clarke Wixon <cwixon@usa.net>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Pull ARM fixes from Russell King:
"Another round of ARM fixes, which include:
- Fixing a problem with LPAE mapping sections
- Reporting of some hwcaps on Krait CPUs
- Avoiding repetitive warnings in the breakpoint code
- Fixing a build error noticed on Dove platforms with PJ4 CPUs
- Fix masking of level 2 cache revision.
- Fixing timer-based udelay()
- A larger fix for an erratum causing people major grief with Cortex
A15 CPUs"
* 'fixes' of git://git.linaro.org/people/rmk/linux-arm:
ARM: 7690/1: mm: fix CONFIG_LPAE typos
ARM: 7689/1: add unwind annotations to ftrace asm
ARM: 7685/1: delay: use private ticks_per_jiffy field for timer-based delay ops
ARM: 7684/1: errata: Workaround for Cortex-A15 erratum 798181 (TLBI/DSB operations)
ARM: 7682/1: cache-l2x0: fix masking of RTL revision numbering and set_debug init
ARM: iWMMXt: always enable iWMMXt support with PJ4 CPUs
ARM: 7681/1: hw_breakpoint: use warn_once to avoid spam from reset_ctrl_regs()
ARM: 7678/1: Work around faulty ISAR0 register in some Krait CPUs
ARM: 7680/1: Detect support for SDIV/UDIV from ISAR0 register
ARM: 7679/1: Clear IDIVT hwcap if CONFIG_ARM_THUMB=n
ARM: 7677/1: LPAE: Fix mapping in alloc_init_section for unaligned addresses
ARM: KVM: vgic: take distributor lock on sync_hwstate path
ARM: KVM: vgic: force EOIed LRs to the empty state
By having 'drm' and 'fb' in the fb screeninfo id, pm-utils will leave us
alone. Otherwise we'll have quirks up to our ears and resume will break.
Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
merge window. Fortunately, Cai and Christian noticed before 3.9
shipped.
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Merge tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 fixes from Ted Ts'o:
"Unfortunately, we introduced some big-endian bugs during the last
merge window. Fortunately, Cai and Christian noticed before 3.9
shipped."
* tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
ext4: fix big-endian bugs which could cause fs corruptions
Pull reiserfs fix from Jan Kara:
"A fix for reiserfs xattr bug exposed by changes to lookup_one_len()"
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
reiserfs: Fix warning and inode leak when deleting inode with xattrs
