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2008-10-18i915: Map status page cached for chips with GTT-based HWS location.Keith Packard
This should improve performance by avoiding uncached reads by the CPU (the point of having a status page), and may improve stability. This patch only affects G33, GM45 and G45 chips as those are the only ones using GTT-based HWS mappings. Signed-off-by: Keith Packard <keithp@keithp.com> Signed-off-by: Eric Anholt <eric@anholt.net> Signed-off-by: Dave Airlie <airlied@redhat.com>
2008-10-18i915: Fix up ring initialization to cover G45 odditiesKeith Packard
G45 appears quite sensitive to ring initialization register writes, sometimes leaving the HEAD register with the START register contents. Check to make sure HEAD is reset correctly when START is written, and fix it up, screaming loudly. Signed-off-by: Keith Packard <keithp@keithp.com> Signed-off-by: Eric Anholt <eric@anholt.net> Signed-off-by: Dave Airlie <airlied@redhat.com>
2008-10-18i915: Use non-reserved status page index for breadcrumbKeith Packard
Dwords 0 through 0x1f are reserved for use by the hardware. Move the GEM breadcrumb from 0x10 to 0x20 to keep out of this area. Signed-off-by: Keith Packard <keithp@keithp.com> Signed-off-by: Eric Anholt <eric@anholt.net> Signed-off-by: Dave Airlie <airlied@redhat.com>
2008-10-18drm: Increment dev_priv->irq_received so i915_gem_interrupts count works.Eric Anholt
Signed-off-by: Eric Anholt <eric@anholt.net> Signed-off-by: Dave Airlie <airlied@redhat.com>
2008-10-18drm: kill drm_device->irqJesse Barnes
Like the last patch but adds a macro to get at the irq value instead of dereferencing pdev directly. Should make things easier for the BSD guys and if we ever support non-PCI devices. Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Dave Airlie <airlied@redhat.com>
2008-10-18drm: wbinvd is cache coherent.Dave Airlie
doing an ipi for the wbinvd case isn't necessary. Signed-off-by: Dave Airlie <airlied@redhat.com>
2008-10-18i915: add missing return in error path.Dave Airlie
Signed-off-by: Dave Airlie <airlied@redhat.com>
2008-10-18i915: fixup permissions on gem ioctls.Dave Airlie
init/entervt/leavevt should be root-only master ioctls. Signed-off-by: Dave Airlie <airlied@redhat.com>
2008-10-18drm: Clean up many sparse warnings in i915.Eric Anholt
Signed-off-by: Eric Anholt <eric@anholt.net> Signed-off-by: Dave Airlie <airlied@redhat.com>
2008-10-18drm: Use ioremap_wc in i915_driver instead of ioremap, since we always want WC.Eric Anholt
Fixes failure to map the ringbuffer when PAT tells us we don't get to do uncached on something that's already mapped WC, or something along those lines. Signed-off-by: Eric Anholt <eric@anholt.net> Signed-off-by: Dave Airlie <airlied@redhat.com>
2008-10-18drm: G33-class hardware has a newer 965-style MCH (no DCC register).Eric Anholt
Fixes bad software fallback rendering in Mesa in dual-channel configurations. d9a2470012588dc5313a5ac8bb2f03575af00e99 Signed-off-by: Dave Airlie <airlied@redhat.com>
2008-10-18drm: Avoid oops in GEM execbuffers with bad arguments.Eric Anholt
Signed-off-by: Eric Anholt <eric@anholt.net> Signed-off-by: Dave Airlie <airlied@redhat.com>
2008-10-18DRM: Return -EBADF on bad object in flink, and return curent name if it exists.Eric Anholt
Signed-off-by: Eric Anholt <eric@anholt.net> Signed-off-by: Dave Airlie <airlied@redhat.com>
2008-10-18i915 gem: install and uninstall irq handler in entervt and leavevt ioctls.Kristian Høgsberg
Signed-off-by: Kristian Høgsberg <krh@redhat.com> Signed-off-by: Eric Anholt <eric@anholt.net> Signed-off-by: Dave Airlie <airlied@redhat.com>
2008-10-18i915: Make use of sarea_priv conditional.Kristian Høgsberg
We fail ioctls that depend on the sarea_priv with EINVAL. Signed-off-by: Kristian Høgsberg <krh@redhat.com> Signed-off-by: Eric Anholt <eric@anholt.net> Signed-off-by: Dave Airlie <airlied@redhat.com>
2008-10-18i915: Use struct_mutex to protect ring in GEM mode.Eric Anholt
In the conversion for GEM, we had stopped using the hardware lock to protect ring usage, since it was all internal to the DRM now. However, some paths weren't converted to using struct_mutex to prevent multiple threads from concurrently working on the ring, in particular between the vblank swap handler and ioctls. Signed-off-by: Eric Anholt <eric@anholt.net> Signed-off-by: Dave Airlie <airlied@redhat.com>
2008-10-18i915: Add chip set ID param.Kristian Høgsberg
Signed-off-by: Kristian Høgsberg <krh@redhat.com> Signed-off-by: Eric Anholt <eric@anholt.net> Signed-off-by: Dave Airlie <airlied@redhat.com>
2008-10-18drm: Add GEM ("graphics execution manager") to i915 driver.Eric Anholt
GEM allows the creation of persistent buffer objects accessible by the graphics device through new ioctls for managing execution of commands on the device. The userland API is almost entirely driver-specific to ensure that any driver building on this model can easily map the interface to individual driver requirements. GEM is used by the 2d driver for managing its internal state allocations and will be used for pixmap storage to reduce memory consumption and enable zero-copy GLX_EXT_texture_from_pixmap, and in the 3d driver is used to enable GL_EXT_framebuffer_object and GL_ARB_pixel_buffer_object. Signed-off-by: Eric Anholt <eric@anholt.net> Signed-off-by: Dave Airlie <airlied@redhat.com>
2008-10-18drm: Rework vblank-wait handling to allow interrupt reduction.Jesse Barnes
Previously, drivers supporting vblank interrupt waits would run the interrupt all the time, or all the time that any 3d client was running, preventing the CPU from sleeping for long when the system was otherwise idle. Now, interrupts are disabled any time that no client is waiting on a vblank event. The new method uses vblank counters on the chipsets when the interrupts are turned off, rather than counting interrupts, so that we can continue to present accurate vblank numbers. Co-author: Michel Dänzer <michel@tungstengraphics.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Eric Anholt <eric@anholt.net> Signed-off-by: Dave Airlie <airlied@redhat.com>
2008-10-18drm/cred: wrap task credential accesses in the drm driver.David Howells
Wrap access to task credentials so that they can be separated more easily from the task_struct during the introduction of COW creds. Change most current->(|e|s|fs)[ug]id to current_(|e|s|fs)[ug]id(). Change some task->e?[ug]id to task_e?[ug]id(). In some places it makes more sense to use RCU directly rather than a convenient wrapper; these will be addressed by later patches. Signed-off-by: David Howells <dhowells@redhat.com> Reviewed-by: James Morris <jmorris@namei.org> Acked-by: Serge Hallyn <serue@us.ibm.com> Signed-off-by: David Airlie <airlied@redhat.com>
2008-10-18new chip name is GM45Jesse Barnes
Author: Zhenyu Wang <zhenyu.z.wang@intel.com> i915: official name for GM45 chipset Signed-off-by: Zhenyu Wang <zhenyu.z.wang@intel.com> Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Dave Airlie <airlied@redhat.com>
2008-10-18separate i915 suspend/resume functions into their own fileJesse Barnes
[Patch against drm-next. Consider this a trial balloon for our new Linux development model.] This is a big chunk of code. Separating it out makes it easier to change without churn on the main i915_drv.c file (and there will be churn as we fix bugs and add things like kernel mode setting). Also makes it easier to share this file with BSD. Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Dave Airlie <airlied@redhat.com>
2008-10-18radeon: fix writeback across suspend/resume.Dave Airlie
Make writeback not get disabled on resume. Signed-off-by: Dave Airlie <airlied@redhat.com>
2008-10-18drm: fix sysfs error path.Dave Airlie
Pointed out by Roel Kluin on dri-devel. Signed-off-by: Dave Airlie <airlied@redhat.com>
2008-10-18FB_SIS=m, DRM_SIS=y is not a legal configuration.Adrian Bunk
Reported-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Dave Airlie <airlied@redhat.com>
2008-10-18Add Intel ACPI IGD OpRegion supportMatthew Garrett
This adds the support necessary for allowing ACPI backlight control to work on some newer Intel-based graphics systems. Tested on Thinkpad T61 and HP 2510p hardware. Signed-off-by: Matthew Garrett <mjg@redhat.com> Signed-off-by: Dave Airlie <airlied@linux.ie>
2008-10-18i915: Initialize hardware status page at device load when possible.Keith Packard
Some chips were unstable with repeated setup/teardown of the hardware status page. Signed-off-by: Eric Anholt <eric@anholt.net> Signed-off-by: Dave Airlie <airlied@redhat.com>
2008-10-18i915: Track progress inside of batchbuffers for determining wedgedness.Keith Packard
This avoids early termination for long-running commands. Signed-off-by: Eric Anholt <eric@anholt.net> Signed-off-by: Dave Airlie <airlied@redhat.com>
2008-10-18i915: Add support for MSI and interrupt mitigation.Eric Anholt
Previous attempts at interrupt mitigation had been foiled by i915_wait_irq's failure to update the sarea seqno value when the status page indicated that the seqno had already been passed. MSI support has been seen to cut CPU costs by up to 40% in some workloads by avoiding other expensive interrupt handlers for frequent graphics interrupts. Signed-off-by: Eric Anholt <eric@anholt.net> Signed-off-by: Dave Airlie <airlied@redhat.com>
2008-10-18i915: Use more consistent names for regs, and store them in a separate file.Jesse Barnes
Signed-off-by: Eric Anholt <eric@anholt.net> Signed-off-by: Dave Airlie <airlied@redhat.com>
2008-10-18i915: Ignore X server provided mmio addressKeith Packard
It is already correctly detected by the kernel for use in suspend/resume. Signed-off-by: Eric Anholt <eric@anholt.net> Signed-off-by: Dave Airlie <airlied@redhat.com>
2008-10-18i915: remove settable use_mi_batchbuffer_startKeith Packard
The driver can know what hardware requires MI_BATCH_BUFFER vs MI_BATCH_BUFFER_START; there's no reason to let user mode configure this. Signed-off-by: Eric Anholt <eric@anholt.net> Signed-off-by: Dave Airlie <airlied@redhat.com>
2008-10-18SiS DRM: fix a pointer cast warningDavid Howells
Fix a pointer cast warning in the SIS DRM code. This was introduced in patch ce65a44de07f73ceda1749812b75086b7add408d. Signed-off-by: David Howells <dhowells@redhat.com> Cc: Dave Airlie <airlied@linux.ie> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Dave Airlie <airlied@redhat.com>
2008-10-18SiS DRM: fix the memory allocator if the SIS FB is built as a moduleDavid Howells
Fix the SIS DRM memory allocator if the SIS FB built as a module. The SIS DRM code initialises the mm allocation hooks, but _only_ if the SIS FB is not built as a module because it depends on CONFIG_FB_SIS, and that's unset if the SIS FB is not built in. It must check CONFIG_FB_SIS_MODULE as well. Signed-off-by: David Howells <dhowells@redhat.com> Cc: Dave Airlie <airlied@linux.ie> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Dave Airlie <airlied@redhat.com>
2008-10-17V4L/DVB (9296): Patch to remove warning message during cx88-dvb compilationIgor M. Liplianin
Remove warning message during cx88-dvb compilation. Also fixes double underline in function and struct names. Signed-off-by: Igor M. Liplianin <liplianin@me.by> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-10-17V4L/DVB (9294): gspca: Add a stop sequence in t613.Jean-Francois Moine
Signed-off-by: Jean-Francois Moine <moinejf@free.fr> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-10-17V4L/DVB (9293): gspca: Separate and fix the sensor dependant sequences in t613.Leandro Costantino
Signed-off-by: Leandro Costantino <lcostantino@gmail.com> Signed-off-by: Jean-Francois Moine <moinejf@free.fr> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-10-17V4L/DVB (9292): gspca: Call the control setting functions at init time in t613.Jean-Francois Moine
Signed-off-by: Jean-Francois Moine <moinejf@free.fr> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-10-17V4L/DVB (9291): gspca: Do not set the white balance temperature by default ↵Jean-Francois Moine
in t613. Signed-off-by: Jean-Francois Moine <moinejf@free.fr> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-10-17V4L/DVB (9290): gspca: Adjust the sensor init sequences in t613.Jean-Francois Moine
Signed-off-by: Jean-Francois Moine <moinejf@free.fr> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-10-17V4L/DVB (9289): gspca: Other sensor identified as om6802 in t613.Jean-Francois Moine
Signed-off-by: Jean-Francois Moine <moinejf@free.fr> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-10-17V4L/DVB (9288): gspca: Write to the USB device and not USB interface in t613.Jean-Francois Moine
Signed-off-by: Jean-Francois Moine <moinejf@free.fr> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-10-17V4L/DVB (9287): gspca: Change the name of the multi bytes write function in ↵Jean-Francois Moine
t613. Signed-off-by: Jean-Francois Moine <moinejf@free.fr> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-10-17V4L/DVB (9286): gspca: Compilation problem of gspca.c and the kernel version.Jean-Francois Moine
Signed-off-by: Jean-Francois Moine <moinejf@free.fr> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-10-17V4L/DVB (9283): Correct typo and enable setting the gain on the mt9m111 sensorErik Andrén
A typo was introduced during the gspca conversion, crippling the ability to control the gain on the mt9m111 sensor. Signed-off-by: Erik Andrén <erik.andren@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-10-17V4L/DVB (9282): Properly iterate the urbs when destroying them.Erik Andrén
Properly iterate the allocated when freeing the urbs, this fixes a memory leak Signed-off-by: Erik Andrén <erik.andren@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-10-17V4L/DVB (9281): gspca: Add hflip and vflip to the po1030 sensorErik Andren
Signed-off-by: Erik Andren <erik.andren@gmail.com> Signed-off-by: Jean-Francois Moine <moinejf@free.fr> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-10-17V4L/DVB (9280): gspca: Use the gspca debug macrosErik Andren
Signed-off-by: Erik Andren <erik.andren@gmail.com> Signed-off-by: Jean-Francois Moine <moinejf@free.fr> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-10-17V4L/DVB (9279): gspca: Correct some copyright headersErik Andren
Signed-off-by: Erik Andren <erik.andren@gmail.com> Signed-off-by: Jean-Francois Moine <moinejf@free.fr> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-10-17V4L/DVB (9278): gspca: Remove the m5602_debug variableErik Andren
Signed-off-by: Erik Andren <erik.andren@gmail.com> Signed-off-by: Jean-Francois Moine <moinejf@free.fr> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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