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bb6baf76 |
| 22-Sep-2009 |
Chris Wilson <chris@chris-wilson.co.uk> |
drm/i915: Track purged state.
In order to correctly prevent the invalid reuse of a purged buffer, we need to track such events and warn the user before something bad happens.
Signed-off-by: Chris W
drm/i915: Track purged state.
In order to correctly prevent the invalid reuse of a purged buffer, we need to track such events and warn the user before something bad happens.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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3ef94daa |
| 14-Sep-2009 |
Chris Wilson <chris@chris-wilson.co.uk> |
drm/i915: Add ioctl to set 'purgeability' of objects
Similar to the madvise() concept, the application may wish to mark some data as volatile. That is in the event of memory pressure the kernel is f
drm/i915: Add ioctl to set 'purgeability' of objects
Similar to the madvise() concept, the application may wish to mark some data as volatile. That is in the event of memory pressure the kernel is free to discard such buffers safe in the knowledge that the application can recreate them on demand, and is simply using these as a cache.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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Revision tags: v2.6.31, v2.6.31-rc9, v2.6.31-rc8, v2.6.31-rc7, v2.6.31-rc6, v2.6.31-rc5, v2.6.31-rc4, v2.6.31-rc3, v2.6.31-rc2, v2.6.31-rc1, v2.6.30, v2.6.30-rc8, v2.6.30-rc7, v2.6.30-rc6, v2.6.30-rc5, v2.6.30-rc4 |
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08d7b3d1 |
| 29-Apr-2009 |
Carl Worth <cworth@cworth.org> |
drm/i915: Add new GET_PIPE_FROM_CRTC_ID ioctl.
This allows userlevel code to discover the pipe number corresponding to a given CRTC ID. This is necessary for doing pipe-specific operations such as w
drm/i915: Add new GET_PIPE_FROM_CRTC_ID ioctl.
This allows userlevel code to discover the pipe number corresponding to a given CRTC ID. This is necessary for doing pipe-specific operations such as waiting for vblank on a given CRTC. Failure to use the right pipe mapping can result in GPU hangs, or at least failure to actually sync to vblank.
Signed-off-by: Carl Worth <cworth@cworth.org> [anholt: Style touchups from review] Signed-off-by: Eric Anholt <eric@anholt.net>
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Revision tags: v2.6.30-rc3, v2.6.30-rc2, v2.6.30-rc1, v2.6.29, v2.6.29-rc8 |
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280b713b |
| 12-Mar-2009 |
Eric Anholt <eric@anholt.net> |
drm/i915: Allow tiling of objects with bit 17 swizzling by the CPU.
Save the bit 17 state of the pages when freeing the page list, and reswizzle them if necessary when rebinding the pages (in case t
drm/i915: Allow tiling of objects with bit 17 swizzling by the CPU.
Save the bit 17 state of the pages when freeing the page list, and reswizzle them if necessary when rebinding the pages (in case they were swapped out). Since we have userland with expectations that the swizzle enums let it pread and pwrite contents accurately, we can't expose a new swizzle enum for bit 17 (which it would have to GTT map to handle), so we handle it down in pread and pwrite by swizzling the copy when bit 17 of the page address is set.
Signed-off-by: Eric Anholt <eric@anholt.net>
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Revision tags: v2.6.29-rc7 |
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1d7f83d5 |
| 25-Feb-2009 |
Arnd Bergmann <arnd@arndb.de> |
make drm headers use strict integer types
The drm headers are traditionally shared with BSD and could not use the strict linux integer types. This is over now, so we can use our own types now.
Cc:
make drm headers use strict integer types
The drm headers are traditionally shared with BSD and could not use the strict linux integer types. This is over now, so we can use our own types now.
Cc: David Airlie <airlied@linux.ie> Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Revision tags: v2.6.29-rc6, v2.6.29-rc5, v2.6.29-rc4, v2.6.29-rc3 |
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0f973f27 |
| 26-Jan-2009 |
Jesse Barnes <jbarnes@virtuousgeek.org> |
drm/i915: add fence register management to execbuf
Adds code to set up fence registers at execbuf time on pre-965 chips as necessary. Also fixes up a few bugs in the pre-965 tile register support (
drm/i915: add fence register management to execbuf
Adds code to set up fence registers at execbuf time on pre-965 chips as necessary. Also fixes up a few bugs in the pre-965 tile register support (get_order != ffs). The number of fences available to the kernel defaults to the hw limit minus 3 (for legacy X front/back/depth), but a new parameter allows userspace to override that as needed.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Eric Anholt <eric@anholt.net> Signed-off-by: Dave Airlie <airlied@linux.ie>
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Revision tags: v2.6.29-rc2, v2.6.29-rc1, v2.6.28, v2.6.28-rc9 |
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8d391aa4 |
| 18-Dec-2008 |
Eric Anholt <eric@anholt.net> |
drm/i915: Add missing userland definitions for gem init/execbuffer.
fdo bug #19132.
Signed-off-by: Eric Anholt <eric@anholt.net> Signed-off-by: Dave Airlie <airlied@redhat.com>
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dfef2459 |
| 18-Dec-2008 |
Dave Airlie <airlied@redhat.com> |
i915/drm: provide compat defines for userspace for certain struct members.
Painfully userspace started using new names that were never actually to be used from the external repo.
Also fill out the
i915/drm: provide compat defines for userspace for certain struct members.
Painfully userspace started using new names that were never actually to be used from the external repo.
Also fill out the gaps in the structure for old/new userspace compat
Add compat defines for these structs.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Revision tags: v2.6.28-rc8, v2.6.28-rc7, v2.6.28-rc6, v2.6.28-rc5, v2.6.28-rc4 |
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79e53945 |
| 07-Nov-2008 |
Jesse Barnes <jbarnes@virtuousgeek.org> |
DRM: i915: add mode setting support
This commit adds i915 driver support for the DRM mode setting APIs. Currently, VGA, LVDS, SDVO DVI & VGA, TV and DVO LVDS outputs are supported. HDMI, DisplayPor
DRM: i915: add mode setting support
This commit adds i915 driver support for the DRM mode setting APIs. Currently, VGA, LVDS, SDVO DVI & VGA, TV and DVO LVDS outputs are supported. HDMI, DisplayPort and additional SDVO output support will follow.
Support for the mode setting code is controlled by the new 'modeset' module option. A new config option, CONFIG_DRM_I915_KMS controls the default behavior, and whether a PCI ID list is built into the module for use by user level module utilities.
Note that if mode setting is enabled, user level drivers that access display registers directly or that don't use the kernel graphics memory manager will likely corrupt kernel graphics memory, disrupt output configuration (possibly leading to hangs and/or blank displays), and prevent panic/oops messages from appearing. So use caution when enabling this code; be sure your user level code supports the new interfaces.
A new SysRq key, 'g', provides emergency support for switching back to the kernel's framebuffer console; which is useful for testing.
Co-authors: Dave Airlie <airlied@linux.ie>, Hong Liu <hong.liu@intel.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>
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#
de151cf6 |
| 12-Nov-2008 |
Jesse Barnes <jbarnes@virtuousgeek.org> |
drm/i915: add GEM GTT mapping support
Use the new core GEM object mapping code to allow GTT mapping of GEM objects on i915. The fault handler will make sure a fence register is allocated too, if th
drm/i915: add GEM GTT mapping support
Use the new core GEM object mapping code to allow GTT mapping of GEM objects on i915. The fault handler will make sure a fence register is allocated too, if the object in question is tiled.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Eric Anholt <eric@anholt.net> Signed-off-by: Dave Airlie <airlied@redhat.com>
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Revision tags: v2.6.28-rc3, v2.6.28-rc2, v2.6.28-rc1 |
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5a125c3c |
| 22-Oct-2008 |
Eric Anholt <eric@anholt.net> |
i915: Add GEM ioctl to get available aperture size.
This will let userland know when to submit its batchbuffers, before they get too big to fit in the aperture.
Signed-off-by: Eric Anholt <eric@anh
i915: Add GEM ioctl to get available aperture size.
This will let userland know when to submit its batchbuffers, before they get too big to fit in the aperture.
Signed-off-by: Eric Anholt <eric@anholt.net> Signed-off-by: Dave Airlie <airlied@redhat.com>
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Revision tags: v2.6.27, v2.6.27-rc9, v2.6.27-rc8, v2.6.27-rc7, v2.6.27-rc6, v2.6.27-rc5, v2.6.27-rc4 |
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ed4c9c4a |
| 20-Aug-2008 |
Kristian Høgsberg <krh@redhat.com> |
i915: Add chip set ID param.
Signed-off-by: Kristian Høgsberg <krh@redhat.com> Signed-off-by: Eric Anholt <eric@anholt.net> Signed-off-by: Dave Airlie <airlied@redhat.com>
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Revision tags: v2.6.27-rc3, v2.6.27-rc2 |
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673a394b |
| 30-Jul-2008 |
Eric Anholt <eric@anholt.net> |
drm: Add GEM ("graphics execution manager") to i915 driver.
GEM allows the creation of persistent buffer objects accessible by the graphics device through new ioctls for managing execution of comman
drm: Add GEM ("graphics execution manager") to i915 driver.
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>
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Revision tags: v2.6.27-rc1, v2.6.26, v2.6.26-rc9, v2.6.26-rc8, v2.6.26-rc7, v2.6.26-rc6, v2.6.26-rc5 |
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#
c0e09200 |
| 28-May-2008 |
Dave Airlie <airlied@redhat.com> |
drm: reorganise drm tree to be more future proof.
With the coming of kernel based modesetting and the memory manager stuff, the everything in one directory approach was getting very ugly and startin
drm: reorganise drm tree to be more future proof.
With the coming of kernel based modesetting and the memory manager stuff, the everything in one directory approach was getting very ugly and starting to be unmanageable.
This restructures the drm along the lines of other kernel components.
It creates a drivers/gpu/drm directory and moves the hw drivers into subdirectores. It moves the includes into an include/drm, and sets up the unifdef for the userspace headers we should be exporting.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Revision tags: v5.15.27, v5.15.26, v5.15.25, v5.15.24, v5.15.23, v5.15.22, v5.15.21, v5.15.20, v5.15.19, v5.15.18, v5.15.17, v5.4.173, v5.15.16, v5.15.15, v5.16, v5.15.10, v5.15.9, v5.15.8, v5.15.7, v5.15.6, v5.15.5, v5.15.4, v5.15.3, v5.15.2, v5.15.1, v5.15, v5.14.14, v5.14.13, v5.14.12, v5.14.11, v5.14.10, v5.14.9, v5.14.8, v5.14.7, v5.14.6, v5.10.67, v5.10.66, v5.14.5, v5.14.4, v5.10.65, v5.14.3, v5.10.64, v5.14.2, v5.10.63, v5.14.1, v5.10.62, v5.14, v5.10.61, v5.10.60, v5.10.53, v5.10.52, v5.10.51, v5.10.50, v5.10.49, v5.13, v5.10.46, v5.10.43, v5.10.42, v5.10.41, v5.10.40, v5.10.39, v5.4.119, v5.10.36, v5.10.35, v5.10.34, v5.4.116, v5.10.33, v5.12, v5.10.32, v5.10.31, v5.10.30, v5.10.27, v5.10.26, v5.10.25, v5.10.24, v5.10.23, v5.10.22, v5.10.21, v5.10.20, v5.10.19, v5.4.101, v5.10.18, v5.10.17, v5.11, v5.10.16, v5.10.15, v5.10.14, v5.10, v5.8.17, v5.8.16, v5.8.15, v5.9, v5.8.14, v5.8.13, v5.8.12, v5.8.11, v5.8.10, v5.8.9, v5.8.8, v5.8.7, v5.8.6, v5.4.62, v5.8.5, v5.8.4, v5.4.61, v5.8.3, v5.4.60, v5.8.2, v5.4.59, v5.8.1, v5.4.58, v5.4.57, v5.4.56, v5.8, v5.7.12, v5.4.55, v5.7.11, v5.4.54, v5.7.10, v5.4.53, v5.4.52, v5.7.9, v5.7.8, v5.4.51, v5.4.50, v5.7.7, v5.4.49, v5.7.6, v5.7.5, v5.4.48, v5.7.4, v5.7.3, v5.4.47, v5.4.46, v5.7.2, v5.4.45, v5.7.1, v5.4.44, v5.7, v5.4.43, v5.4.42, v5.4.41, v5.4.40, v5.4.39, v5.4.38, v5.4.37, v5.4.36, v5.4.35, v5.4.34, v5.4.33, v5.4.32, v5.4.31, v5.4.30, v5.4.29, v5.6, v5.4.28, v5.4.27, v5.4.26, v5.4.25, v5.4.24, v5.4.23, v5.4.22, v5.4.21, v5.4.20, v5.4.19, v5.4.18, v5.4.17, v5.4.16, v5.5, v5.4.15, v5.4.14, v5.4.13, v5.4.12, v5.4.11, v5.4.10, v5.4.9, v5.4.8, v5.4.7, v5.4.6, v5.4.5, v5.4.4, v5.4.3, v5.3.15, v5.4.2, v5.4.1, v5.3.14, v5.4, v5.3.13, v5.3.12, v5.3.11, v5.3.10, v5.3.9, v5.3.8, v5.3.7, v5.3.6, v5.3.5, v5.3.4, v5.3.3, v5.3.2, v5.3.1, v5.3, v5.2.14, v5.3-rc8, v5.2.13, v5.2.12, v5.2.11 |
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5b6030da |
| 28-Aug-2019 |
Ramalingam C <ramalingam.c@intel.com> |
drm: Move port definition back to i915 header We dont need the definition of the enum port outside I915, anymore. Hence move enum port definition into I915 driver itself. v2:
drm: Move port definition back to i915 header We dont need the definition of the enum port outside I915, anymore. Hence move enum port definition into I915 driver itself. v2: intel_display.h is included in intel_hdcp.h v3: enum port is declared in headers. v4: commit msg is rephrased. v5: copyright year is updated [Tomas] Signed-off-by: Ramalingam C <ramalingam.c@intel.com> Reviewed-by: Jani Nikula <jani.nikula@intel.com> Reviewed-by: Shashank Sharma <shashank.sharma@intel.com> Reviewed-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Uma Shankar <uma.shankar@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190828164216.405-3-ramalingam.c@intel.com
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Revision tags: v5.2.10, v5.2.9, v5.2.8, v5.2.7, v5.2.6, v5.2.5, v5.2.4, v5.2.3, v5.2.2, v5.2.1 |
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#
b5893ffc |
| 12-Jul-2019 |
Janusz Krzysztofik <janusz.krzysztofik@linux.intel.com> |
drm/i915: Drop extern qualifiers from header function prototypes Follow dim checkpatch recommendation so it doesn't complain on that now and again on header file modifications.
drm/i915: Drop extern qualifiers from header function prototypes Follow dim checkpatch recommendation so it doesn't complain on that now and again on header file modifications. v2: drop testing leftover (Chris) Signed-off-by: Janusz Krzysztofik <janusz.krzysztofik@linux.intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20190712112429.740-2-janusz.krzysztofik@linux.intel.com
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#
6c8337da |
| 11-Jul-2019 |
Vandita Kulkarni <vandita.kulkarni@intel.com> |
drm/i915/tgl: Add additional ports for Tiger Lake There are 2 new additional typeC ports in Tiger Lake and PORT-C is now a combophy port. This results in 6 typeC ports and 3 combophy por
drm/i915/tgl: Add additional ports for Tiger Lake There are 2 new additional typeC ports in Tiger Lake and PORT-C is now a combophy port. This results in 6 typeC ports and 3 combophy ports. These 6 TC ports can be DP alternate mode, DP over thunderbolt, native DP on legacy DP connector or native HDMI on legacy connector. v2: Rebase on new modular FIA code (Lucas) v3: Also add new port in port_identifier(), even though it can't possibly be used there (requested by José) v4: Add conversion port->tc_port in helper function after introction of phy namespace (Lucas) Cc: Anusha Srivatsa <anusha.srivatsa@intel.com> Signed-off-by: Vandita Kulkarni <vandita.kulkarni@intel.com> Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com> Reviewed-by: Matt Roper <matthew.d.roper@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190711173115.28296-13-lucas.demarchi@intel.com
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Revision tags: v5.2, v5.1.16, v5.1.15, v5.1.14, v5.1.13, v5.1.12, v5.1.11, v5.1.10, v5.1.9, v5.1.8, v5.1.7, v5.1.6, v5.1.5, v5.1.4, v5.1.3, v5.1.2, v5.1.1, v5.0.14, v5.1, v5.0.13, v5.0.12, v5.0.11, v5.0.10, v5.0.9, v5.0.8, v5.0.7, v5.0.6, v5.0.5, v5.0.4, v5.0.3, v4.19.29, v5.0.2, v4.19.28, v5.0.1, v4.19.27, v5.0, v4.19.26, v4.19.25, v4.19.24 |
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8605a136 |
| 15-Feb-2019 |
Ramalingam C <ramalingam.c@intel.com> |
drm/i915: enum port definition is moved into i915_drm.h For the reusability of the enum port in other driver modules (like mei_hdcp), enum port definition is moved from I915 local header
drm/i915: enum port definition is moved into i915_drm.h For the reusability of the enum port in other driver modules (like mei_hdcp), enum port definition is moved from I915 local header intel_display.h to drm/i915_drm.h Signed-off-by: Ramalingam C <ramalingam.c@intel.com> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> [danvet: Fix subject prefix.] Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/1550219730-17734-3-git-send-email-ramalingam.c@intel.com
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Revision tags: v4.19.23, v4.19.22, v4.19.21, v4.19.20, v4.19.19, v4.19.18, v4.19.17, v4.19.16, v4.19.15, v4.19.14, v4.19.13, v4.19.12, v4.19.11, v4.19.10, v4.19.9, v4.19.8, v4.19.7, v4.19.6, v4.19.5, v4.19.4, v4.18.20, v4.19.3, v4.18.19, v4.19.2, v4.18.18, v4.18.17, v4.19.1, v4.19, v4.18.16, v4.18.15, v4.18.14, v4.18.13, v4.18.12, v4.18.11, v4.18.10, v4.18.9, v4.18.7, v4.18.6, v4.18.5, v4.17.18, v4.18.4, v4.18.3, v4.17.17, v4.18.2, v4.17.16, v4.17.15, v4.18.1, v4.18, v4.17.14, v4.17.13, v4.17.12, v4.17.11, v4.17.10, v4.17.9, v4.17.8, v4.17.7, v4.17.6, v4.17.5, v4.17.4, v4.17.3, v4.17.2, v4.17.1, v4.17 |
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#
db0c8d8b |
| 04-May-2018 |
Paulo Zanoni <paulo.r.zanoni@intel.com> |
x86/gpu: reserve ICL's graphics stolen memory ICL changes the registers and addresses to 64 bits. I also briefly looked at implementing an u64 version of the PCI config read fun
x86/gpu: reserve ICL's graphics stolen memory ICL changes the registers and addresses to 64 bits. I also briefly looked at implementing an u64 version of the PCI config read functions, but I concluded this wouldn't be trivial, so it's not worth doing it for a single user that can't have any racing problems while reading the register in two separate operations. v2: - Scrub the development (non-public) changelog (Joonas). - Remove the i915.ko bits so this can be easily backported in order to properly avoid stolen memory even on machines without i915.ko (Joonas). - CC stable for the reasons above. Issue: VIZ-9250 CC: stable@vger.kernel.org Cc: Ingo Molnar <mingo@kernel.org> Cc: H. Peter Anvin <hpa@zytor.com> Cc: x86@kernel.org Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Fixes: 412310019a20 ("drm/i915/icl: Add initial Icelake definitions.") Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Acked-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180504203252.28048-1-paulo.r.zanoni@intel.com
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Revision tags: v4.16, v4.15 |
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#
55f56fc4 |
| 11-Dec-2017 |
Matthew Auld <matthew.auld@intel.com> |
x86/early-quirks: export the stolen region as a resource We duplicate the stolen discovery code in early-quirks and in i915, however if we just export the region as a resource from early
x86/early-quirks: export the stolen region as a resource We duplicate the stolen discovery code in early-quirks and in i915, however if we just export the region as a resource from early-quirks we can nuke the duplication. Signed-off-by: Matthew Auld <matthew.auld@intel.com> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Paulo Zanoni <paulo.r.zanoni@intel.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@kernel.org> Cc: H. Peter Anvin <hpa@zytor.com> Cc: x86@kernel.org Cc: linux-kernel@vger.kernel.org Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Acked-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20171211151822.20953-3-matthew.auld@intel.com
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Revision tags: v4.13.16, v4.14, v4.13.5, v4.13, v4.12, v4.10.17, v4.10.16, v4.10.15, v4.10.14, v4.10.13, v4.10.12, v4.10.11, v4.10.10, v4.10.9, v4.10.8, v4.10.7, v4.10.6, v4.10.5, v4.10.4, v4.10.3, v4.10.2, v4.10.1, v4.10, v4.9, openbmc-4.4-20161121-1, v4.4.33, v4.4.32, v4.4.31, v4.4.30, v4.4.29, v4.4.28, v4.4.27, v4.7.10, openbmc-4.4-20161021-1, v4.7.9, v4.4.26, v4.7.8, v4.4.25, v4.4.24, v4.7.7, v4.8, v4.4.23, v4.7.6, v4.7.5, v4.4.22, v4.4.21, v4.7.4, v4.7.3, v4.4.20, v4.7.2, v4.4.19, openbmc-4.4-20160819-1, v4.7.1, v4.4.18, v4.4.17 |
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aac440ff |
| 09-Aug-2016 |
Dave Gordon <david.s.gordon@intel.com> |
drm: avoid "possible bad bitmask?" warning Recent versions of gcc say this: include/drm/i915_drm.h:96:34: warning: result of ‘65535 << 20’ requires 37 bits to represent, but ‘in
drm: avoid "possible bad bitmask?" warning Recent versions of gcc say this: include/drm/i915_drm.h:96:34: warning: result of ‘65535 << 20’ requires 37 bits to represent, but ‘int’ only has 32 bits [-Wshift-overflow=] Reported-by: David Binderman <linuxdev.baldrick@gmail.com> Signed-off-by: Dave Gordon <david.s.gordon@intel.com> Cc: Dave Airlie <airlied@gmail.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/1470764110-23855-1-git-send-email-david.s.gordon@intel.com
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Revision tags: openbmc-4.4-20160804-1, v4.4.16, v4.7, openbmc-4.4-20160722-1, openbmc-20160722-1, openbmc-20160713-1, v4.4.15, v4.6.4, v4.6.3, v4.4.14, v4.6.2, v4.4.13, openbmc-20160606-1, v4.6.1, v4.4.12, openbmc-20160521-1, v4.4.11, openbmc-20160518-1, v4.6, v4.4.10, openbmc-20160511-1, openbmc-20160505-1, v4.4.9 |
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c0dd3460 |
| 22-Apr-2016 |
Joonas Lahtinen <joonas.lahtinen@linux.intel.com> |
drm/i915: Canonicalize stolen memory calculations Move the better constructs/comments from i915_gem_stolen.c to early-quirks.c and increase readability in preparation of only having
drm/i915: Canonicalize stolen memory calculations Move the better constructs/comments from i915_gem_stolen.c to early-quirks.c and increase readability in preparation of only having one set of functions. - intel_stolen_base -> gen3_stolen_base - use phys_addr_t instead of u32 for address for future proofing v2: - Print the invalid register values (Chris) (Omitting the register prefix as it's visible from backtrace.) Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Mika Kuoppala <mika.kuoppala@intel.com> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com> Acked-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
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Revision tags: v4.4.8, v4.4.7, openbmc-20160329-2, openbmc-20160329-1, openbmc-20160321-1, v4.4.6, v4.5, v4.4.5, v4.4.4, v4.4.3, openbmc-20160222-1, v4.4.2, openbmc-20160212-1, openbmc-20160210-1, openbmc-20160202-2, openbmc-20160202-1, v4.4.1, openbmc-20160127-1, openbmc-20160120-1, v4.4, openbmc-20151217-1, openbmc-20151210-1, openbmc-20151202-1, openbmc-20151123-1, openbmc-20151118-1, openbmc-20151104-1, v4.3, openbmc-20151102-1, openbmc-20151028-1, v4.3-rc1, v4.2, v4.2-rc8, v4.2-rc7, v4.2-rc6, v4.2-rc5, v4.2-rc4, v4.2-rc3, v4.2-rc2, v4.2-rc1, v4.1, v4.1-rc8, v4.1-rc7, v4.1-rc6, v4.1-rc5, v4.1-rc4, v4.1-rc3, v4.1-rc2, v4.1-rc1, v4.0, v4.0-rc7, v4.0-rc6, v4.0-rc5, v4.0-rc4, v4.0-rc3, v4.0-rc2, v4.0-rc1, v3.19, v3.19-rc7, v3.19-rc6, v3.19-rc5, v3.19-rc4, v3.19-rc3, v3.19-rc2, v3.19-rc1, v3.18, v3.18-rc7, v3.18-rc6, v3.18-rc5, v3.18-rc4, v3.18-rc3, v3.18-rc2, v3.18-rc1, v3.17, v3.17-rc7, v3.17-rc6, v3.17-rc5, v3.17-rc4, v3.17-rc3, v3.17-rc2, v3.17-rc1, v3.16, v3.16-rc7, v3.16-rc6, v3.16-rc5, v3.16-rc4, v3.16-rc3, v3.16-rc2, v3.16-rc1, v3.15, v3.15-rc8, v3.15-rc7, v3.15-rc6, v3.15-rc5, v3.15-rc4, v3.15-rc3, v3.15-rc2, v3.15-rc1, v3.14, v3.14-rc8, v3.14-rc7, v3.14-rc6, v3.14-rc5, v3.14-rc4, v3.14-rc3, v3.14-rc2 |
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#
a4dff769 |
| 05-Feb-2014 |
Ville Syrjälä <ville.syrjala@linux.intel.com> |
x86/gpu: Add Intel graphics stolen memory quirk for gen2 platforms There isn't an explicit stolen memory base register on gen2. Some old comment in the i915 code suggests we should get i
x86/gpu: Add Intel graphics stolen memory quirk for gen2 platforms There isn't an explicit stolen memory base register on gen2. Some old comment in the i915 code suggests we should get it via max_low_pfn_mapped, but that's clearly a bad idea on my MGM. The e820 map in said machine looks like this: BIOS-e820: [mem 0x0000000000000000-0x000000000009f7ff] usable BIOS-e820: [mem 0x000000000009f800-0x000000000009ffff] reserved BIOS-e820: [mem 0x00000000000ce000-0x00000000000cffff] reserved BIOS-e820: [mem 0x00000000000dc000-0x00000000000fffff] reserved BIOS-e820: [mem 0x0000000000100000-0x000000001f6effff] usable BIOS-e820: [mem 0x000000001f6f0000-0x000000001f6f7fff] ACPI data BIOS-e820: [mem 0x000000001f6f8000-0x000000001f6fffff] ACPI NVS BIOS-e820: [mem 0x000000001f700000-0x000000001fffffff] reserved BIOS-e820: [mem 0x00000000fec10000-0x00000000fec1ffff] reserved BIOS-e820: [mem 0x00000000ffb00000-0x00000000ffbfffff] reserved BIOS-e820: [mem 0x00000000fff00000-0x00000000ffffffff] reserved That makes max_low_pfn_mapped = 1f6f0000, so assuming our stolen memory would start there would place it on top of some ACPI memory regions. So not a good idea as already stated. The 9MB region after the ACPI regions at 0x1f700000 however looks promising given that the macine reports the stolen memory size to be 8MB. Looking at the PGTBL_CTL register, the GTT entries are at offset 0x1fee00000, and given that the GTT entries occupy 128KB, it looks like the stolen memory could start at 0x1f700000 and the GTT entries would occupy the last 128KB of the stolen memory. After some more digging through chipset documentation, I've determined the BIOS first allocates space for something called TSEG (something to do with SMM) from the top of memory, and then it allocates the graphics stolen memory below that. Accordind to the chipset documentation TSEG has a fixed size of 1MB on 855. So that explains the top 1MB in the e820 region. And it also confirms that the GTT entries are in fact at the end of the the stolen memory region. Derive the stolen memory base address on gen2 the same as the BIOS does (TOM-TSEG_SIZE-stolen_size). There are a few differences between the registers on various gen2 chipsets, so a few different codepaths are required. 865G is again bit more special since it seems to support enough memory to hit 4GB address space issues. This means the PCI allocations will also affect the location of the stolen memory. Fortunately there appears to be the TOUD register which may give us the correct answer directly. But the chipset docs are a bit unclear, so I'm not 100% sure that the graphics stolen memory is always the last thing the BIOS steals. Someone would need to verify it on a real system. I tested this on the my 830 and 855 machines, and so far everything looks peachy. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Bjorn Helgaas <bhelgaas@google.com> Link: http://lkml.kernel.org/r/1391628540-23072-3-git-send-email-ville.syrjala@linux.intel.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Revision tags: v3.14-rc1, v3.13, v3.13-rc8, v3.13-rc7, v3.13-rc6, v3.13-rc5, v3.13-rc4, v3.13-rc3, v3.13-rc2, v3.13-rc1 |
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#
9459d252 |
| 03-Nov-2013 |
Ben Widawsky <benjamin.widawsky@intel.com> |
drm/i915/bdw: support GMS and GGMS changes All the BARs have the ability to grow. v2: Pulled out the simulator workaround to a separate patch. Rebased. v3: Rebase onto
drm/i915/bdw: support GMS and GGMS changes All the BARs have the ability to grow. v2: Pulled out the simulator workaround to a separate patch. Rebased. v3: Rebase onto latest vlv patches from Jesse. v4: Rebased on top of the early stolen quirk patch from Jesse. v5: Use the new macro names. s/INTEL_BDW_PCI_IDS_D/INTEL_BDW_D_IDS s/INTEL_BDW_PCI_IDS_M/INTEL_BDW_M_IDS It's Jesse's fault for not following the convention I originally set. Cc: Ingo Molnar <mingo@kernel.org> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Ben Widawsky <ben@bwidawsk.net> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Revision tags: v3.12, v3.12-rc7, v3.12-rc6, v3.12-rc5, v3.12-rc4, v3.12-rc3, v3.12-rc2, v3.12-rc1, v3.11, v3.11-rc7, v3.11-rc6, v3.11-rc5, v3.11-rc4, v3.11-rc3 |
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814c5f1f |
| 26-Jul-2013 |
Jesse Barnes <jbarnes@virtuousgeek.org> |
x86: add early quirk for reserving Intel graphics stolen memory v5 Systems with Intel graphics controllers set aside memory exclusively for gfx driver use. This memory is not always mar
x86: add early quirk for reserving Intel graphics stolen memory v5 Systems with Intel graphics controllers set aside memory exclusively for gfx driver use. This memory is not always marked in the E820 as reserved or as RAM, and so is subject to overlap from E820 manipulation later in the boot process. On some systems, MMIO space is allocated on top, despite the efforts of the "RAM buffer" approach, which simply rounds memory boundaries up to 64M to try to catch space that may decode as RAM and so is not suitable for MMIO. v2: use read_pci_config for 32 bit reads instead of adding a new one (Chris) add gen6 stolen size function (Chris) v3: use a function pointer (Chris) drop gen2 bits (Daniel) v4: call e820_sanitize_map after adding the region v5: fixup comments (Peter) simplify loop (Chris) Acked-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Acked-by: H. Peter Anvin <hpa@zytor.com> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=66726 Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=66844 Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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