From: Matthew Auld <matthew.auld@intel.com> To: igt-dev@lists.freedesktop.org Cc: Daniel Vetter <daniel.vetter@ffwll.ch>, intel-gfx@lists.freedesktop.org Subject: [Intel-gfx] [PATCH i-g-t v2 01/11] lib/i915/gem_mman: add FIXED mmap mode Date: Wed, 28 Jul 2021 11:30:31 +0100 [thread overview] Message-ID: <20210728103041.1669985-1-matthew.auld@intel.com> (raw) We need this for discrete. Signed-off-by: Matthew Auld <matthew.auld@intel.com> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Ashutosh Dixit <ashutosh.dixit@intel.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Ramalingam C <ramalingam.c@intel.com> --- lib/i915/gem_mman.c | 37 +++++++++++++++++++++++++++++++++++++ lib/i915/gem_mman.h | 4 ++++ 2 files changed, 41 insertions(+) diff --git a/lib/i915/gem_mman.c b/lib/i915/gem_mman.c index 4b4f2114..e2514f0c 100644 --- a/lib/i915/gem_mman.c +++ b/lib/i915/gem_mman.c @@ -497,6 +497,43 @@ void *gem_mmap_offset__cpu(int fd, uint32_t handle, uint64_t offset, return ptr; } +#define LOCAL_I915_MMAP_OFFSET_FIXED 4 + +void *__gem_mmap_offset__fixed(int fd, uint32_t handle, uint64_t offset, + uint64_t size, unsigned prot) +{ + return __gem_mmap_offset(fd, handle, offset, size, prot, + LOCAL_I915_MMAP_OFFSET_FIXED); +} + +/** + * gem_mmap_offset__fixed: Used to mmap objects on discrete platforms + * @fd: open i915 drm file descriptor + * @handle: gem buffer object handle + * @offset: offset in the gem buffer of the mmap arena + * @size: size of the mmap arena + * @prot: memory protection bits as used by mmap() + * + * Like __gem_mmap_offset__fixed() except we assert on failure. + * + * For discrete the caching attributes for the pages are fixed at allocation + * time, and can't be changed. The FIXED mode will simply use the same caching * + * mode of the allocated pages. This mode will always be coherent with GPU + * access. + * + * On non-discrete platforms this mode is not supported. + * + * Returns: A pointer to the created memory mapping + */ +void *gem_mmap_offset__fixed(int fd, uint32_t handle, uint64_t offset, + uint64_t size, unsigned prot) +{ + void *ptr = __gem_mmap_offset__fixed(fd, handle, offset, size, prot); + + igt_assert(ptr); + return ptr; +} + /** * __gem_mmap__cpu_coherent: * @fd: open i915 drm file descriptor diff --git a/lib/i915/gem_mman.h b/lib/i915/gem_mman.h index 5695d2ad..290c997d 100644 --- a/lib/i915/gem_mman.h +++ b/lib/i915/gem_mman.h @@ -37,6 +37,8 @@ bool gem_mmap_offset__has_wc(int fd); void *gem_mmap__wc(int fd, uint32_t handle, uint64_t offset, uint64_t size, unsigned prot); void *gem_mmap_offset__wc(int fd, uint32_t handle, uint64_t offset, uint64_t size, unsigned prot); +void *gem_mmap_offset__fixed(int fd, uint32_t handle, uint64_t offset, + uint64_t size, unsigned prot); void *gem_mmap__device_coherent(int fd, uint32_t handle, uint64_t offset, uint64_t size, unsigned prot); void *gem_mmap__cpu_coherent(int fd, uint32_t handle, uint64_t offset, @@ -54,6 +56,8 @@ void *__gem_mmap_offset__cpu(int fd, uint32_t handle, uint64_t offset, void *__gem_mmap__wc(int fd, uint32_t handle, uint64_t offset, uint64_t size, unsigned prot); void *__gem_mmap_offset__wc(int fd, uint32_t handle, uint64_t offset, uint64_t size, unsigned prot); +void *__gem_mmap_offset__fixed(int fd, uint32_t handle, uint64_t offset, + uint64_t size, unsigned prot); void *__gem_mmap__device_coherent(int fd, uint32_t handle, uint64_t offset, uint64_t size, unsigned prot); void *__gem_mmap_offset(int fd, uint32_t handle, uint64_t offset, uint64_t size, -- 2.26.3 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx
WARNING: multiple messages have this Message-ID (diff)
From: Matthew Auld <matthew.auld@intel.com> To: igt-dev@lists.freedesktop.org Cc: intel-gfx@lists.freedesktop.org Subject: [igt-dev] [PATCH i-g-t v2 01/11] lib/i915/gem_mman: add FIXED mmap mode Date: Wed, 28 Jul 2021 11:30:31 +0100 [thread overview] Message-ID: <20210728103041.1669985-1-matthew.auld@intel.com> (raw) We need this for discrete. Signed-off-by: Matthew Auld <matthew.auld@intel.com> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Ashutosh Dixit <ashutosh.dixit@intel.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Ramalingam C <ramalingam.c@intel.com> --- lib/i915/gem_mman.c | 37 +++++++++++++++++++++++++++++++++++++ lib/i915/gem_mman.h | 4 ++++ 2 files changed, 41 insertions(+) diff --git a/lib/i915/gem_mman.c b/lib/i915/gem_mman.c index 4b4f2114..e2514f0c 100644 --- a/lib/i915/gem_mman.c +++ b/lib/i915/gem_mman.c @@ -497,6 +497,43 @@ void *gem_mmap_offset__cpu(int fd, uint32_t handle, uint64_t offset, return ptr; } +#define LOCAL_I915_MMAP_OFFSET_FIXED 4 + +void *__gem_mmap_offset__fixed(int fd, uint32_t handle, uint64_t offset, + uint64_t size, unsigned prot) +{ + return __gem_mmap_offset(fd, handle, offset, size, prot, + LOCAL_I915_MMAP_OFFSET_FIXED); +} + +/** + * gem_mmap_offset__fixed: Used to mmap objects on discrete platforms + * @fd: open i915 drm file descriptor + * @handle: gem buffer object handle + * @offset: offset in the gem buffer of the mmap arena + * @size: size of the mmap arena + * @prot: memory protection bits as used by mmap() + * + * Like __gem_mmap_offset__fixed() except we assert on failure. + * + * For discrete the caching attributes for the pages are fixed at allocation + * time, and can't be changed. The FIXED mode will simply use the same caching * + * mode of the allocated pages. This mode will always be coherent with GPU + * access. + * + * On non-discrete platforms this mode is not supported. + * + * Returns: A pointer to the created memory mapping + */ +void *gem_mmap_offset__fixed(int fd, uint32_t handle, uint64_t offset, + uint64_t size, unsigned prot) +{ + void *ptr = __gem_mmap_offset__fixed(fd, handle, offset, size, prot); + + igt_assert(ptr); + return ptr; +} + /** * __gem_mmap__cpu_coherent: * @fd: open i915 drm file descriptor diff --git a/lib/i915/gem_mman.h b/lib/i915/gem_mman.h index 5695d2ad..290c997d 100644 --- a/lib/i915/gem_mman.h +++ b/lib/i915/gem_mman.h @@ -37,6 +37,8 @@ bool gem_mmap_offset__has_wc(int fd); void *gem_mmap__wc(int fd, uint32_t handle, uint64_t offset, uint64_t size, unsigned prot); void *gem_mmap_offset__wc(int fd, uint32_t handle, uint64_t offset, uint64_t size, unsigned prot); +void *gem_mmap_offset__fixed(int fd, uint32_t handle, uint64_t offset, + uint64_t size, unsigned prot); void *gem_mmap__device_coherent(int fd, uint32_t handle, uint64_t offset, uint64_t size, unsigned prot); void *gem_mmap__cpu_coherent(int fd, uint32_t handle, uint64_t offset, @@ -54,6 +56,8 @@ void *__gem_mmap_offset__cpu(int fd, uint32_t handle, uint64_t offset, void *__gem_mmap__wc(int fd, uint32_t handle, uint64_t offset, uint64_t size, unsigned prot); void *__gem_mmap_offset__wc(int fd, uint32_t handle, uint64_t offset, uint64_t size, unsigned prot); +void *__gem_mmap_offset__fixed(int fd, uint32_t handle, uint64_t offset, + uint64_t size, unsigned prot); void *__gem_mmap__device_coherent(int fd, uint32_t handle, uint64_t offset, uint64_t size, unsigned prot); void *__gem_mmap_offset(int fd, uint32_t handle, uint64_t offset, uint64_t size, -- 2.26.3 _______________________________________________ igt-dev mailing list igt-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/igt-dev
next reply other threads:[~2021-07-28 10:31 UTC|newest] Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-07-28 10:30 Matthew Auld [this message] 2021-07-28 10:30 ` [igt-dev] [PATCH i-g-t v2 01/11] lib/i915/gem_mman: add FIXED mmap mode Matthew Auld 2021-07-28 10:30 ` [Intel-gfx] [PATCH i-g-t v2 02/11] lib/i915/gem_mman: add fixed mode to mmap__device_coherent Matthew Auld 2021-07-28 10:30 ` [igt-dev] " Matthew Auld 2021-07-28 22:23 ` [Intel-gfx] " Dixit, Ashutosh 2021-07-28 22:23 ` [igt-dev] " Dixit, Ashutosh 2021-07-28 10:30 ` [Intel-gfx] [PATCH i-g-t v2 03/11] lib/i915/gem_mman: add fixed mode to mmap__cpu_coherent Matthew Auld 2021-07-28 10:30 ` [igt-dev] " Matthew Auld 2021-07-28 22:24 ` [Intel-gfx] " Dixit, Ashutosh 2021-07-28 22:24 ` [igt-dev] " Dixit, Ashutosh 2021-07-28 10:30 ` [Intel-gfx] [PATCH i-g-t v2 04/11] lib/i915/gem_mman: add fixed mode to gem_mmap__cpu Matthew Auld 2021-07-28 10:30 ` [igt-dev] " Matthew Auld 2021-07-28 23:07 ` [Intel-gfx] " Dixit, Ashutosh 2021-07-28 23:07 ` [igt-dev] " Dixit, Ashutosh 2021-07-29 8:50 ` [Intel-gfx] " Matthew Auld 2021-07-29 8:50 ` [igt-dev] " Matthew Auld 2021-08-02 6:29 ` [Intel-gfx] " Dixit, Ashutosh 2021-08-02 6:29 ` [igt-dev] " Dixit, Ashutosh 2021-07-28 10:30 ` [Intel-gfx] [PATCH i-g-t v2 05/11] lib/i915/gem_mman: update mmap_offset_types with FIXED Matthew Auld 2021-07-28 10:30 ` [igt-dev] " Matthew Auld 2021-07-28 10:30 ` [Intel-gfx] [PATCH i-g-t v2 06/11] lib/ioctl_wrappers: update mmap_{read, write} for discrete Matthew Auld 2021-07-28 10:30 ` [igt-dev] " Matthew Auld 2021-07-28 10:30 ` [Intel-gfx] [PATCH i-g-t v2 07/11] lib/intel_bufops: " Matthew Auld 2021-07-28 10:30 ` [igt-dev] " Matthew Auld 2021-07-28 10:30 ` [Intel-gfx] [PATCH i-g-t v2 08/11] lib/ioctl_wrappers: update set_domain " Matthew Auld 2021-07-28 10:30 ` [igt-dev] " Matthew Auld 2021-07-28 10:30 ` [Intel-gfx] [PATCH i-g-t v2 09/11] tests/i915/module_load: update " Matthew Auld 2021-07-28 10:30 ` [Intel-gfx] [PATCH i-g-t v2 10/11] lib/i915/gem_mman: add helper query for has_device_coherent Matthew Auld 2021-07-28 10:30 ` [igt-dev] " Matthew Auld 2021-07-28 10:30 ` [Intel-gfx] [PATCH i-g-t v2 11/11] tests/i915/gem_exec_fence: use device_coherent mmap Matthew Auld 2021-07-28 10:30 ` [igt-dev] " Matthew Auld 2021-07-28 11:15 ` [igt-dev] ✓ Fi.CI.BAT: success for series starting with [i-g-t,v2,01/11] lib/i915/gem_mman: add FIXED mmap mode Patchwork 2021-07-28 13:58 ` [igt-dev] ✗ GitLab.Pipeline: warning " Patchwork 2021-07-28 15:52 ` [igt-dev] ✗ Fi.CI.IGT: failure " Patchwork 2021-07-28 22:20 ` [Intel-gfx] [PATCH i-g-t v2 01/11] " Dixit, Ashutosh 2021-07-28 22:20 ` [igt-dev] " Dixit, Ashutosh 2021-07-30 2:03 ` [Intel-gfx] " Dixit, Ashutosh 2021-07-30 2:03 ` [igt-dev] " Dixit, Ashutosh
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20210728103041.1669985-1-matthew.auld@intel.com \ --to=matthew.auld@intel.com \ --cc=daniel.vetter@ffwll.ch \ --cc=igt-dev@lists.freedesktop.org \ --cc=intel-gfx@lists.freedesktop.org \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.