diff mbox series

[resend,1/2] drm/i915/display: Add a intel_pipe_is_enabled() helper

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

Commit Message

Hans de Goede March 2, 2021, noon UTC
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(-)

Comments

Jani Nikula March 2, 2021, 12:46 p.m. UTC | #1
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 mbox series

Patch

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,