Re: [PATCH 3/5] drm: Add infrastructure for vmap operations of I/O memory

2020-07-31 Thread daniel
On Thu, Jul 30, 2020 at 10:14:43AM +0200, Thomas Zimmermann wrote: > Hi > > Am 29.07.20 um 15:57 schrieb dan...@ffwll.ch: > > On Wed, Jul 29, 2020 at 03:41:46PM +0200, Thomas Zimmermann wrote: > >> Most platforms allow for accessing framebuffer I/O memory with regular > >> load and store operation

Re: [PATCH 3/5] drm: Add infrastructure for vmap operations of I/O memory

2020-07-30 Thread Thomas Zimmermann
Hi Am 29.07.20 um 15:57 schrieb dan...@ffwll.ch: > On Wed, Jul 29, 2020 at 03:41:46PM +0200, Thomas Zimmermann wrote: >> Most platforms allow for accessing framebuffer I/O memory with regular >> load and store operations. Some platforms, such as sparc64, require >> the use of special instructions

Re: [PATCH 3/5] drm: Add infrastructure for vmap operations of I/O memory

2020-07-29 Thread daniel
On Wed, Jul 29, 2020 at 03:41:46PM +0200, Thomas Zimmermann wrote: > Most platforms allow for accessing framebuffer I/O memory with regular > load and store operations. Some platforms, such as sparc64, require > the use of special instructions instead. > > This patch adds vmap_iomem to struct drm_