Re: [PATCH] drm/fb-helper: Mark screen buffers in system memory with FB_VIRTFB

2022-01-28 Thread Daniel Vetter
On Fri, Jan 28, 2022 at 12:36 PM Thomas Zimmermann wrote: > > Hi > > Am 28.01.22 um 12:00 schrieb Daniel Vetter: > > On Thu, Jan 27, 2022 at 4:18 PM Thomas Zimmermann > > wrote: > >> > >> Hi > >> > >> Am 27.01.22 um 16:03 schrieb Daniel Vetter: > >>> On Thu, Jan 27, 2022 at 12:58:30PM +0100, Tho

Re: [PATCH] drm/fb-helper: Mark screen buffers in system memory with FB_VIRTFB

2022-01-28 Thread Thomas Zimmermann
Hi Am 28.01.22 um 12:00 schrieb Daniel Vetter: On Thu, Jan 27, 2022 at 4:18 PM Thomas Zimmermann wrote: Hi Am 27.01.22 um 16:03 schrieb Daniel Vetter: On Thu, Jan 27, 2022 at 12:58:30PM +0100, Thomas Zimmermann wrote: Hi Am 27.01.22 um 12:42 schrieb Daniel Vetter: On Thu, Jan 27, 2022 at

Re: [PATCH] drm/fb-helper: Mark screen buffers in system memory with FB_VIRTFB

2022-01-28 Thread Daniel Vetter
On Thu, Jan 27, 2022 at 4:18 PM Thomas Zimmermann wrote: > > Hi > > Am 27.01.22 um 16:03 schrieb Daniel Vetter: > > On Thu, Jan 27, 2022 at 12:58:30PM +0100, Thomas Zimmermann wrote: > >> Hi > >> > >> Am 27.01.22 um 12:42 schrieb Daniel Vetter: > >>> On Thu, Jan 27, 2022 at 11:26:21AM +0100, Thoma

Re: [PATCH] drm/fb-helper: Mark screen buffers in system memory with FB_VIRTFB

2022-01-27 Thread Thomas Zimmermann
Hi Am 27.01.22 um 16:03 schrieb Daniel Vetter: On Thu, Jan 27, 2022 at 12:58:30PM +0100, Thomas Zimmermann wrote: Hi Am 27.01.22 um 12:42 schrieb Daniel Vetter: On Thu, Jan 27, 2022 at 11:26:21AM +0100, Thomas Zimmermann wrote: Mark screen buffers in system memory with FB_VIRTFB. Otherwise,

Re: [PATCH] drm/fb-helper: Mark screen buffers in system memory with FB_VIRTFB

2022-01-27 Thread Daniel Vetter
On Thu, Jan 27, 2022 at 12:58:30PM +0100, Thomas Zimmermann wrote: > Hi > > Am 27.01.22 um 12:42 schrieb Daniel Vetter: > > On Thu, Jan 27, 2022 at 11:26:21AM +0100, Thomas Zimmermann wrote: > > > Mark screen buffers in system memory with FB_VIRTFB. Otherwise, the > > > buffers are mmap'ed as I/O

Re: [PATCH] drm/fb-helper: Mark screen buffers in system memory with FB_VIRTFB

2022-01-27 Thread Thomas Zimmermann
Hi Am 27.01.22 um 12:42 schrieb Daniel Vetter: On Thu, Jan 27, 2022 at 11:26:21AM +0100, Thomas Zimmermann wrote: Mark screen buffers in system memory with FB_VIRTFB. Otherwise, the buffers are mmap'ed as I/O memory (i.e., VM_IO). For shadow buffers, also set the FB_READS_FAST hint. Maybe cla

Re: [PATCH] drm/fb-helper: Mark screen buffers in system memory with FB_VIRTFB

2022-01-27 Thread Daniel Vetter
On Thu, Jan 27, 2022 at 11:26:21AM +0100, Thomas Zimmermann wrote: > Mark screen buffers in system memory with FB_VIRTFB. Otherwise, the > buffers are mmap'ed as I/O memory (i.e., VM_IO). For shadow buffers, > also set the FB_READS_FAST hint. Maybe clarify that this only holds for the defio case,

Re: [PATCH] drm/fb-helper: Mark screen buffers in system memory with FB_VIRTFB

2022-01-27 Thread Thomas Zimmermann
Am 27.01.22 um 11:26 schrieb Thomas Zimmermann: Mark screen buffers in system memory with FB_VIRTFB. Otherwise, the FBINFO_ is the name. Will be fixed before merging buffers are mmap'ed as I/O memory (i.e., VM_IO). For shadow buffers, also set the FB_READS_FAST hint. Signed-off-by: Thomas