On Tue, May 17, 2016 at 03:07:58PM +0200, Maarten Lankhorst wrote:
> With the removal of cs-based flips all mmio waits will
> finish without requiring the reset counter, because the
> waits will complete during gpu reset.
>
> Signed-off-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
Reviewed-by: Patrik Jakobsson <patrik.jakobsson@xxxxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/i915/intel_display.c | 9 ---------
> drivers/gpu/drm/i915/intel_drv.h | 3 ---
> 2 files changed, 12 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index d96f6a86d6f6..db8c6d905007 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -3179,14 +3179,6 @@ void intel_finish_reset(struct drm_i915_private *dev_priv)
>
> static bool intel_crtc_has_pending_flip(struct drm_crtc *crtc)
> {
> - struct drm_device *dev = crtc->dev;
> - struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
> - unsigned reset_counter;
> -
> - reset_counter = i915_reset_counter(&to_i915(dev)->gpu_error);
> - if (intel_crtc->reset_counter != reset_counter)
> - return false;
> -
> return !list_empty_careful(&to_intel_crtc(crtc)->flip_work);
> }
>
> @@ -11179,7 +11171,6 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
>
> intel_fbc_pre_update(intel_crtc);
>
> - intel_crtc->reset_counter = i915_reset_counter(&dev_priv->gpu_error);
> schedule_work(&work->mmio_work);
>
> mutex_unlock(&dev->struct_mutex);
> diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
> index c538d821a728..11dae90b7168 100644
> --- a/drivers/gpu/drm/i915/intel_drv.h
> +++ b/drivers/gpu/drm/i915/intel_drv.h
> @@ -659,9 +659,6 @@ struct intel_crtc {
>
> struct intel_crtc_state *config;
>
> - /* reset counter value when the last flip was submitted */
> - unsigned int reset_counter;
> -
> /* Access to these should be protected by dev_priv->irq_lock. */
> bool cpu_fifo_underrun_disabled;
> bool pch_fifo_underrun_disabled;
> --
> 2.5.5
>
> _______________________________________________
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> Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx
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