Commit f0a57798 authored by Ville Syrjälä's avatar Ville Syrjälä
Browse files

drm/i915: Introduce intel_panel_drrs_type() 



Add a helper to determine which type of DRRS the panel supports.

Signed-off-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220311172428.14685-10-ville.syrjala@linux.intel.com


Reviewed-by: default avatarJani Nikula <jani.nikula@intel.com>
parent 43af6743

drivers/gpu/drm/i915/display/intel_drrs.c

+3 −7
Original line number Diff line number Diff line
@@ -48,11 +48,8 @@ 
 */



static bool can_enable_drrs(struct intel_connector *connector,

			    const struct intel_crtc_state *pipe_config,

			    const struct drm_display_mode *downclock_mode)

			    const struct intel_crtc_state *pipe_config)

{

	const struct drm_i915_private *i915 = to_i915(connector->base.dev);



	if (pipe_config->vrr.enable)

		return false;
@@ -65,8 +62,7 @@ static bool can_enable_drrs(struct intel_connector *connector, 
	if (pipe_config->has_psr)

		return false;



	return downclock_mode &&

		i915->vbt.drrs_type == DRRS_TYPE_SEAMLESS;

	return intel_panel_drrs_type(connector) == DRRS_TYPE_SEAMLESS;

}



void
@@ -80,7 +76,7 @@ intel_drrs_compute_config(struct intel_dp *intel_dp, 
		intel_panel_downclock_mode(connector, &pipe_config->hw.adjusted_mode);

	int pixel_clock;



	if (!can_enable_drrs(connector, pipe_config, downclock_mode)) {

	if (!can_enable_drrs(connector, pipe_config)) {

		if (intel_cpu_transcoder_has_m2_n2(i915, pipe_config->cpu_transcoder))

			intel_zero_m_n(&pipe_config->dp_m2_n2);

		return;

drivers/gpu/drm/i915/display/intel_panel.c

+10 −0
Original line number Diff line number Diff line
@@ -83,6 +83,16 @@ int intel_panel_get_modes(struct intel_connector *connector) 
	return num_modes;

}



enum drrs_type intel_panel_drrs_type(struct intel_connector *connector)

{

	struct drm_i915_private *i915 = to_i915(connector->base.dev);



	if (!connector->panel.downclock_mode)

		return DRRS_TYPE_NONE;



	return i915->vbt.drrs_type;

}



int intel_panel_compute_config(struct intel_connector *connector,

			       struct drm_display_mode *adjusted_mode)

{

drivers/gpu/drm/i915/display/intel_panel.h

+2 −0
Original line number Diff line number Diff line
@@ -9,6 +9,7 @@ 
#include <linux/types.h>



enum drm_connector_status;

enum drrs_type;

struct drm_connector;

struct drm_connector_state;

struct drm_display_mode;
@@ -33,6 +34,7 @@ const struct drm_display_mode * 
intel_panel_downclock_mode(struct intel_connector *connector,

			   const struct drm_display_mode *adjusted_mode);

int intel_panel_get_modes(struct intel_connector *connector);

enum drrs_type intel_panel_drrs_type(struct intel_connector *connector);

enum drm_mode_status

intel_panel_mode_valid(struct intel_connector *connector,

		       const struct drm_display_mode *mode);