[Intel-gfx] [PATCH v2 0/3] Replace Blitter ring based flips with MMIO flips
Gupta, Sourab
sourab.gupta at intel.com
Mon May 26 10:51:36 CEST 2014
On Thu, 2014-05-22 at 14:36 +0000, Gupta, Sourab wrote:
> From: Sourab Gupta <sourab.gupta at intel.com>
>
> This patch series replaces Blitter ring based flips with MMIO based flips.
> This is useful for Media power well residency optimization. These may be
> enabled on architectures where Render and Blitter engines reside in different
> power wells.
> The blitter ring is currently being used just for command streamer based
> flip calls. For pure 3D workloads, with MMIO flips, there will be no use
> of blitter ring and this will ensure the 100% residency for Media well.
>
> Sourab Gupta (3):
> drm/i915: Replaced Blitter ring based flips with MMIO flips
> drm/i915: Default to mmio flips on VLV
> drm/i915: Fix mmio page flip vs mmio set base race
>
> drivers/gpu/drm/i915/i915_dma.c | 1 +
> drivers/gpu/drm/i915/i915_drv.h | 6 ++
> drivers/gpu/drm/i915/i915_gem.c | 2 +-
> drivers/gpu/drm/i915/i915_irq.c | 3 +
> drivers/gpu/drm/i915/i915_params.c | 5 ++
> drivers/gpu/drm/i915/intel_display.c | 135 +++++++++++++++++++++++++++++++++++
> drivers/gpu/drm/i915/intel_drv.h | 6 ++
> 7 files changed, 157 insertions(+), 1 deletion(-)
>
Hi Ville/Chris,
I have tried to address your comments in these series of patches. Can
you please review them.
Thanks,
Sourab
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