Em Qua, 2016-02-10 às 13:49 +0100, Maarten Lankhorst escreveu:
> Right now there's separate power domain handling for update_pipe and
> modesets. Unify this and only grab POWER_DOMAIN_MODESET once.
I would have split this in two separate commits: one for
POWER_DOMAIN_MODESET, and the other for killing
intel_modeset_update_crtc_power_domains. Let's hope no one bisects
anything to this patch :)
With or without the split:
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx>
>
> Signed-off-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/i915/intel_display.c | 69 +++++++++++++-------------
> ----------
> 1 file changed, 24 insertions(+), 45 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_display.c
> b/drivers/gpu/drm/i915/intel_display.c
> index b479ba6238d7..804f2c6f260d 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -5359,32 +5359,6 @@ static void modeset_put_power_domains(struct
> drm_i915_private *dev_priv,
> intel_display_power_put(dev_priv, domain);
> }
>
> -static void modeset_update_crtc_power_domains(struct
> drm_atomic_state *state)
> -{
> - struct intel_atomic_state *intel_state =
> to_intel_atomic_state(state);
> - struct drm_device *dev = state->dev;
> - struct drm_i915_private *dev_priv = dev->dev_private;
> - unsigned long put_domains[I915_MAX_PIPES] = {};
> - struct drm_crtc_state *crtc_state;
> - struct drm_crtc *crtc;
> - int i;
> -
> - for_each_crtc_in_state(state, crtc, crtc_state, i) {
> - if (needs_modeset(crtc->state))
> - put_domains[to_intel_crtc(crtc)->pipe] =
> - modeset_get_crtc_power_domains(crtc,
> - to_intel_crtc_state(crtc-
> >state));
> - }
> -
> - if (dev_priv->display.modeset_commit_cdclk &&
> - intel_state->dev_cdclk != dev_priv->cdclk_freq)
> - dev_priv->display.modeset_commit_cdclk(state);
> -
> - for (i = 0; i < I915_MAX_PIPES; i++)
> - if (put_domains[i])
> - modeset_put_power_domains(dev_priv,
> put_domains[i]);
> -}
> -
> static int intel_compute_max_dotclk(struct drm_i915_private
> *dev_priv)
> {
> int max_cdclk_freq = dev_priv->max_cdclk_freq;
> @@ -13422,6 +13396,7 @@ static int intel_atomic_commit(struct
> drm_device *dev,
> struct drm_crtc *crtc;
> int ret = 0, i;
> bool hw_check = intel_state->modeset;
> + unsigned long put_domains[I915_MAX_PIPES] = {};
>
> ret = intel_atomic_prepare_commit(dev, state, async);
> if (ret) {
> @@ -13437,11 +13412,22 @@ static int intel_atomic_commit(struct
> drm_device *dev,
> sizeof(intel_state->min_pixclk));
> dev_priv->active_crtcs = intel_state->active_crtcs;
> dev_priv->atomic_cdclk_freq = intel_state->cdclk;
> +
> + intel_display_power_get(dev_priv,
> POWER_DOMAIN_MODESET);
> }
>
> for_each_crtc_in_state(state, crtc, crtc_state, i) {
> struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
>
> + if (needs_modeset(crtc->state) ||
> + to_intel_crtc_state(crtc->state)->update_pipe) {
> + hw_check = true;
> +
> + put_domains[to_intel_crtc(crtc)->pipe] =
> + modeset_get_crtc_power_domains(crtc,
> + to_intel_crtc_state(crtc-
> >state));
> + }
> +
> if (!needs_modeset(crtc->state))
> continue;
>
> @@ -13474,7 +13460,10 @@ static int intel_atomic_commit(struct
> drm_device *dev,
> intel_shared_dpll_commit(state);
>
> drm_atomic_helper_update_legacy_modeset_state(state-
> >dev, state);
> - modeset_update_crtc_power_domains(state);
> +
> + if (dev_priv->display.modeset_commit_cdclk &&
> + intel_state->dev_cdclk != dev_priv->cdclk_freq)
> + dev_priv-
> >display.modeset_commit_cdclk(state);
> }
>
> /* Now enable the clocks, plane, pipe, and connectors that
> we set up. */
> @@ -13483,24 +13472,12 @@ static int intel_atomic_commit(struct
> drm_device *dev,
> bool modeset = needs_modeset(crtc->state);
> bool update_pipe = !modeset &&
> to_intel_crtc_state(crtc->state)-
> >update_pipe;
> - unsigned long put_domains = 0;
> -
> - if (modeset)
> - intel_display_power_get(dev_priv,
> POWER_DOMAIN_MODESET);
>
> if (modeset && crtc->state->active) {
> update_scanline_offset(to_intel_crtc(crtc));
> dev_priv->display.crtc_enable(crtc);
> }
>
> - if (update_pipe) {
> - put_domains =
> modeset_get_crtc_power_domains(crtc,
> - to_intel_crtc_state(cr
> tc->state));
> -
> - /* make sure intel_modeset_check_state runs
> */
> - hw_check = true;
> - }
> -
> if (!modeset)
> intel_pre_plane_update(to_intel_crtc_state(c
> rtc_state));
>
> @@ -13511,19 +13488,21 @@ static int intel_atomic_commit(struct
> drm_device *dev,
> (crtc->state->planes_changed || update_pipe))
> drm_atomic_helper_commit_planes_on_crtc(crtc
> _state);
>
> - if (put_domains)
> - modeset_put_power_domains(dev_priv,
> put_domains);
> -
> intel_post_plane_update(intel_crtc);
> -
> - if (modeset)
> - intel_display_power_put(dev_priv,
> POWER_DOMAIN_MODESET);
> }
>
> /* FIXME: add subpixel order */
>
> drm_atomic_helper_wait_for_vblanks(dev, state);
>
> + for_each_crtc_in_state(state, crtc, crtc_state, i) {
> + if (put_domains[i])
> + modeset_put_power_domains(dev_priv,
> put_domains[i]);
> + }
> +
> + if (intel_state->modeset)
> + intel_display_power_put(dev_priv,
> POWER_DOMAIN_MODESET);
> +
> mutex_lock(&dev->struct_mutex);
> drm_atomic_helper_cleanup_planes(dev, state);
> mutex_unlock(&dev->struct_mutex);
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