Re: [Intel-gfx] [PATCH 2/4] drm/i915: preserve swizzle settings if necessary v4

2014-10-30 Thread Jesse Barnes
On Tue, 21 Oct 2014 16:49:12 +0200 Daniel Vetter wrote: > On Thu, Oct 09, 2014 at 12:57:43PM -0700, Jesse Barnes wrote: > > Some machines (like MBAs) might use a tiled framebuffer but not > > enable display swizzling at boot time. We want to preserve that > > configuration if possible to prevent

Re: [Intel-gfx] [PATCH 2/4] drm/i915: preserve swizzle settings if necessary v4

2014-10-21 Thread Daniel Vetter
On Thu, Oct 09, 2014 at 12:57:43PM -0700, Jesse Barnes wrote: > Some machines (like MBAs) might use a tiled framebuffer but not enable > display swizzling at boot time. We want to preserve that configuration > if possible to prevent a boot time mode set. On IVB+ it shouldn't > affect performance

[Intel-gfx] [PATCH 2/4] drm/i915: preserve swizzle settings if necessary v4

2014-10-09 Thread Jesse Barnes
Some machines (like MBAs) might use a tiled framebuffer but not enable display swizzling at boot time. We want to preserve that configuration if possible to prevent a boot time mode set. On IVB+ it shouldn't affect performance anyway since the memory controller does internal swizzling anyway. Fo