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drm/i915: Introduce intel_panel_drrs_type()

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

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220311172428.14685-10-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Ville Syrjälä 2022-03-11 19:24:21 +02:00
parent 43af674357
commit f0a57798fb
3 changed files with 15 additions and 7 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

10
drivers/gpu/drm/i915/display/intel_drrs.c
View file

@ -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;

10
drivers/gpu/drm/i915/display/intel_panel.c
View file

@ -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)
{

2
drivers/gpu/drm/i915/display/intel_panel.h
View file

@ -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);