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linux/drivers/gpu/drm/drm_cache.c

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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>
2008-07-30 12:06:12 -07:00
gpu: Add export.h as required to drivers/gpu files. They need this to get all the EXPORT_SYMBOL variants and THIS_MODULE Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-08-30 18:16:33 -04:00
UAPI: (Scripted) Convert #include "..." to #include <path/...> in drivers/gpu/ Convert #include "..." to #include <path/...> in drivers/gpu/. Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Dave Airlie <airlied@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Dave Jones <davej@redhat.com>
2012-10-02 18:01:07 +01:00
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>
2008-07-30 12:06:12 -07:00
drm: micro optimise cache flushing We hit this a lot with i915 and although we'd like to engineer things to hit it a lot less, this commit at least makes it consume a few less cycles. from something containing movzwl 0x0(%rip),%r10d to add %r8,%rdx I only noticed it while using perf to profile something else. Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-09-19 11:12:41 +10:00
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>
2008-07-30 12:06:12 -07:00
drm: remove the second argument of k[un]map_atomic() Signed-off-by: Cong Wang <amwang@redhat.com>
2011-11-25 23:14:20 +08:00
drm: micro optimise cache flushing We hit this a lot with i915 and although we'd like to engineer things to hit it a lot less, this commit at least makes it consume a few less cycles. from something containing movzwl 0x0(%rip),%r10d to add %r8,%rdx I only noticed it while using perf to profile something else. Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-09-19 11:12:41 +10:00
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>
2008-07-30 12:06:12 -07:00
drm: remove the second argument of k[un]map_atomic() Signed-off-by: Cong Wang <amwang@redhat.com>
2011-11-25 23:14:20 +08:00
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>
2008-07-30 12:06:12 -07:00
drm/ttm: consolidate cache flushing code in one place. This merges the TTM and drm cache flushing into one file in the drm core. Signed-off-by: Dave Airlie <airlied@redhat.com>
2009-08-27 09:53:47 +10:00
drm: fix drm_cache.c for arch with no support. This produces a warn on for architectures where this gets called but we don't have a cache flushing implementation suitable. Signed-off-by: Dave Airlie <airlied@redhat.com>
2009-09-02 09:41:13 +10:00
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>
2008-07-30 12:06:12 -07:00
drm/ttm: consolidate cache flushing code in one place. This merges the TTM and drm cache flushing into one file in the drm core. Signed-off-by: Dave Airlie <airlied@redhat.com>
2009-08-27 09:53:47 +10:00
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>
2008-07-30 12:06:12 -07:00
drm/ttm: consolidate cache flushing code in one place. This merges the TTM and drm cache flushing into one file in the drm core. Signed-off-by: Dave Airlie <airlied@redhat.com>
2009-08-27 09:53:47 +10:00
drm: remove the second argument of k[un]map_atomic() Signed-off-by: Cong Wang <amwang@redhat.com>
2011-11-25 23:14:20 +08:00
drm/ttm: consolidate cache flushing code in one place. This merges the TTM and drm cache flushing into one file in the drm core. Signed-off-by: Dave Airlie <airlied@redhat.com>
2009-08-27 09:53:47 +10:00
drm: remove the second argument of k[un]map_atomic() Signed-off-by: Cong Wang <amwang@redhat.com>
2011-11-25 23:14:20 +08:00
drm/ttm: consolidate cache flushing code in one place. This merges the TTM and drm cache flushing into one file in the drm core. Signed-off-by: Dave Airlie <airlied@redhat.com>
2009-08-27 09:53:47 +10:00
drm: fix drm_cache.c for arch with no support. This produces a warn on for architectures where this gets called but we don't have a cache flushing implementation suitable. Signed-off-by: Dave Airlie <airlied@redhat.com>
2009-09-02 09:41:13 +10:00
drm: wbinvd is cache coherent. doing an ipi for the wbinvd case isn't necessary. Signed-off-by: Dave Airlie <airlied@redhat.com>
2008-10-07 13:41:49 +10:00
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>
2008-07-30 12:06:12 -07:00
drm: add helper to clflush a virtual address range Useful when the page is already mapped to copy date in/out. For -stable because the next patch (fixing phys obj pwrite) needs this little helper function. Tested-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: dri-devel@lists.freedesktop.org Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2012-03-25 19:47:30 +02:00
drm/i915: Replace the array of pages with a scatterlist Rather than have multiple data structures for describing our page layout in conjunction with the array of pages, we can migrate all users over to a scatterlist. One major advantage, other than unifying the page tracking structures, this offers is that we replace the vmalloc'ed array (which can be up to a megabyte in size) with a chain of individual pages which helps reduce memory pressure. The disadvantage is that we then do not have a simple array to iterate, or to access randomly. The common case for this is in the relocation processing, which will typically fit within a single scatterlist page and so be almost the same cost as the simple array. For iterating over the array, the extra function call could be optimised away, but in reality is an insignificant cost of either binding the pages, or performing the pwrite/pread. v2: Fix drm_clflush_sg() to not invoke wbinvd as well! And fix the trivial compile error from rebasing. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2012-06-01 15:20:22 +01:00
drm: handle compact dma scatter lists in drm_clflush_sg() So far the assumption was that each scatter list entry contains a single page. This might not hold in the future, when we'll introduce compact scatter lists, so prepare for this here. Reference: http://www.spinics.net/lists/dri-devel/msg33917.html Signed-off-by: Imre Deak <imre.deak@intel.com> Acked-by: Dave Airlie <airlied@gmail.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-02-18 19:28:01 +02:00
drm/i915: Replace the array of pages with a scatterlist Rather than have multiple data structures for describing our page layout in conjunction with the array of pages, we can migrate all users over to a scatterlist. One major advantage, other than unifying the page tracking structures, this offers is that we replace the vmalloc'ed array (which can be up to a megabyte in size) with a chain of individual pages which helps reduce memory pressure. The disadvantage is that we then do not have a simple array to iterate, or to access randomly. The common case for this is in the relocation processing, which will typically fit within a single scatterlist page and so be almost the same cost as the simple array. For iterating over the array, the extra function call could be optimised away, but in reality is an insignificant cost of either binding the pages, or performing the pwrite/pread. v2: Fix drm_clflush_sg() to not invoke wbinvd as well! And fix the trivial compile error from rebasing. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2012-06-01 15:20:22 +01:00
drm: handle compact dma scatter lists in drm_clflush_sg() So far the assumption was that each scatter list entry contains a single page. This might not hold in the future, when we'll introduce compact scatter lists, so prepare for this here. Reference: http://www.spinics.net/lists/dri-devel/msg33917.html Signed-off-by: Imre Deak <imre.deak@intel.com> Acked-by: Dave Airlie <airlied@gmail.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-02-18 19:28:01 +02:00
lib/scatterlist: sg_page_iter: support sg lists w/o backing pages The i915 driver uses sg lists for memory without backing 'struct page' pages, similarly to other IO memory regions, setting only the DMA address for these. It does this, so that it can program the HW MMU tables in a uniform way both for sg lists with and without backing pages. Without a valid page pointer we can't call nth_page to get the current page in __sg_page_iter_next, so add a helper that relevant users can call separately. Also add a helper to get the DMA address of the current page (idea from Daniel). Convert all places in i915, to use the new API. Signed-off-by: Imre Deak <imre.deak@intel.com> Reviewed-by: Damien Lespiau <damien.lespiau@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-03-26 15:14:18 +02:00
drm/i915: Replace the array of pages with a scatterlist Rather than have multiple data structures for describing our page layout in conjunction with the array of pages, we can migrate all users over to a scatterlist. One major advantage, other than unifying the page tracking structures, this offers is that we replace the vmalloc'ed array (which can be up to a megabyte in size) with a chain of individual pages which helps reduce memory pressure. The disadvantage is that we then do not have a simple array to iterate, or to access randomly. The common case for this is in the relocation processing, which will typically fit within a single scatterlist page and so be almost the same cost as the simple array. For iterating over the array, the extra function call could be optimised away, but in reality is an insignificant cost of either binding the pages, or performing the pwrite/pread. v2: Fix drm_clflush_sg() to not invoke wbinvd as well! And fix the trivial compile error from rebasing. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2012-06-01 15:20:22 +01:00
drm: add helper to clflush a virtual address range Useful when the page is already mapped to copy date in/out. For -stable because the next patch (fixing phys obj pwrite) needs this little helper function. Tested-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: dri-devel@lists.freedesktop.org Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2012-03-25 19:47:30 +02:00