Message ID | 20210302120040.94435-2-hdegoede@redhat.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | drm/i915/display: Make vlv_find_free_pps() skip pipes which are in use for non DP purposes | expand |
On Tue, 02 Mar 2021, Hans de Goede <hdegoede@redhat.com> wrote: > Factor the code to check if a pipe is currently enabled out of > assert_pipe() and put it in a new intel_pipe_is_enabled() helper, > so that it can be re-used without copy-pasting it. > > Signed-off-by: Hans de Goede <hdegoede@redhat.com> Does what it says on the box. Reviewed-by: Jani Nikula <jani.nikula@intel.com> > --- > drivers/gpu/drm/i915/display/intel_display.c | 20 ++++++++++++++------ > drivers/gpu/drm/i915/display/intel_display.h | 2 ++ > 2 files changed, 16 insertions(+), 6 deletions(-) > > diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c > index e1060076ac83..9cb304aee285 100644 > --- a/drivers/gpu/drm/i915/display/intel_display.c > +++ b/drivers/gpu/drm/i915/display/intel_display.c > @@ -442,17 +442,13 @@ void assert_panel_unlocked(struct drm_i915_private *dev_priv, enum pipe pipe) > pipe_name(pipe)); > } > > -void assert_pipe(struct drm_i915_private *dev_priv, > - enum transcoder cpu_transcoder, bool state) > +bool intel_pipe_is_enabled(struct drm_i915_private *dev_priv, > + enum transcoder cpu_transcoder) > { > bool cur_state; > enum intel_display_power_domain power_domain; > intel_wakeref_t wakeref; > > - /* we keep both pipes enabled on 830 */ > - if (IS_I830(dev_priv)) > - state = true; > - > power_domain = POWER_DOMAIN_TRANSCODER(cpu_transcoder); > wakeref = intel_display_power_get_if_enabled(dev_priv, power_domain); > if (wakeref) { > @@ -464,6 +460,18 @@ void assert_pipe(struct drm_i915_private *dev_priv, > cur_state = false; > } > > + return cur_state; > +} > + > +void assert_pipe(struct drm_i915_private *dev_priv, > + enum transcoder cpu_transcoder, bool state) > +{ > + bool cur_state = intel_pipe_is_enabled(dev_priv, cpu_transcoder); > + > + /* we keep both pipes enabled on 830 */ > + if (IS_I830(dev_priv)) > + state = true; > + > I915_STATE_WARN(cur_state != state, > "transcoder %s assertion failure (expected %s, current %s)\n", > transcoder_name(cpu_transcoder), > diff --git a/drivers/gpu/drm/i915/display/intel_display.h b/drivers/gpu/drm/i915/display/intel_display.h > index 0e4c1481fa00..642cc87f3e38 100644 > --- a/drivers/gpu/drm/i915/display/intel_display.h > +++ b/drivers/gpu/drm/i915/display/intel_display.h > @@ -533,6 +533,8 @@ void intel_enable_pipe(const struct intel_crtc_state *new_crtc_state); > void intel_disable_pipe(const struct intel_crtc_state *old_crtc_state); > void i830_enable_pipe(struct drm_i915_private *dev_priv, enum pipe pipe); > void i830_disable_pipe(struct drm_i915_private *dev_priv, enum pipe pipe); > +bool intel_pipe_is_enabled(struct drm_i915_private *dev_priv, > + enum transcoder cpu_transcoder); > enum pipe intel_crtc_pch_transcoder(struct intel_crtc *crtc); > int vlv_get_hpll_vco(struct drm_i915_private *dev_priv); > int vlv_get_cck_clock(struct drm_i915_private *dev_priv,
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index e1060076ac83..9cb304aee285 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -442,17 +442,13 @@ void assert_panel_unlocked(struct drm_i915_private *dev_priv, enum pipe pipe) pipe_name(pipe)); } -void assert_pipe(struct drm_i915_private *dev_priv, - enum transcoder cpu_transcoder, bool state) +bool intel_pipe_is_enabled(struct drm_i915_private *dev_priv, + enum transcoder cpu_transcoder) { bool cur_state; enum intel_display_power_domain power_domain; intel_wakeref_t wakeref; - /* we keep both pipes enabled on 830 */ - if (IS_I830(dev_priv)) - state = true; - power_domain = POWER_DOMAIN_TRANSCODER(cpu_transcoder); wakeref = intel_display_power_get_if_enabled(dev_priv, power_domain); if (wakeref) { @@ -464,6 +460,18 @@ void assert_pipe(struct drm_i915_private *dev_priv, cur_state = false; } + return cur_state; +} + +void assert_pipe(struct drm_i915_private *dev_priv, + enum transcoder cpu_transcoder, bool state) +{ + bool cur_state = intel_pipe_is_enabled(dev_priv, cpu_transcoder); + + /* we keep both pipes enabled on 830 */ + if (IS_I830(dev_priv)) + state = true; + I915_STATE_WARN(cur_state != state, "transcoder %s assertion failure (expected %s, current %s)\n", transcoder_name(cpu_transcoder), diff --git a/drivers/gpu/drm/i915/display/intel_display.h b/drivers/gpu/drm/i915/display/intel_display.h index 0e4c1481fa00..642cc87f3e38 100644 --- a/drivers/gpu/drm/i915/display/intel_display.h +++ b/drivers/gpu/drm/i915/display/intel_display.h @@ -533,6 +533,8 @@ void intel_enable_pipe(const struct intel_crtc_state *new_crtc_state); void intel_disable_pipe(const struct intel_crtc_state *old_crtc_state); void i830_enable_pipe(struct drm_i915_private *dev_priv, enum pipe pipe); void i830_disable_pipe(struct drm_i915_private *dev_priv, enum pipe pipe); +bool intel_pipe_is_enabled(struct drm_i915_private *dev_priv, + enum transcoder cpu_transcoder); enum pipe intel_crtc_pch_transcoder(struct intel_crtc *crtc); int vlv_get_hpll_vco(struct drm_i915_private *dev_priv); int vlv_get_cck_clock(struct drm_i915_private *dev_priv,
Factor the code to check if a pipe is currently enabled out of assert_pipe() and put it in a new intel_pipe_is_enabled() helper, so that it can be re-used without copy-pasting it. Signed-off-by: Hans de Goede <hdegoede@redhat.com> --- drivers/gpu/drm/i915/display/intel_display.c | 20 ++++++++++++++------ drivers/gpu/drm/i915/display/intel_display.h | 2 ++ 2 files changed, 16 insertions(+), 6 deletions(-)