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drm/i915: Extract intel_panel_mode_valid()

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Extract intel_panel_mode_valid() from the eDP code to a generic helper.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210923200109.4459-2-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Ville Syrjälä 2021-09-23 23:01:04 +03:00
parent b58a886820
commit 082436068c
3 changed files with 24 additions and 5 deletions
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8
drivers/gpu/drm/i915/display/intel_dp.c
View File

@ -845,11 +845,9 @@ intel_dp_mode_valid(struct drm_connector *connector,
return MODE_H_ILLEGAL;
if (intel_dp_is_edp(intel_dp) && fixed_mode) {
if (mode->hdisplay != fixed_mode->hdisplay)
return MODE_PANEL;
if (mode->vdisplay != fixed_mode->vdisplay)
return MODE_PANEL;
status = intel_panel_mode_valid(intel_connector, mode);
if (status != MODE_OK)
return status;
target_clock = fixed_mode->clock;
}

18
drivers/gpu/drm/i915/display/intel_panel.c
View File

@ -482,6 +482,24 @@ intel_panel_detect(struct drm_connector *connector, bool force)
return connector_status_connected;
}
enum drm_mode_status
intel_panel_mode_valid(struct intel_connector *connector,
const struct drm_display_mode *mode)
{
const struct drm_display_mode *fixed_mode = connector->panel.fixed_mode;
if (!fixed_mode)
return MODE_OK;
if (mode->hdisplay != fixed_mode->hdisplay)
return MODE_PANEL;
if (mode->vdisplay != fixed_mode->vdisplay)
return MODE_PANEL;
return MODE_OK;
}
int intel_panel_init(struct intel_panel *panel,
struct drm_display_mode *fixed_mode,
struct drm_display_mode *downclock_mode)

3
drivers/gpu/drm/i915/display/intel_panel.h
View File

@ -26,6 +26,9 @@ intel_panel_detect(struct drm_connector *connector, bool force);
bool intel_panel_use_ssc(struct drm_i915_private *i915);
void intel_panel_fixed_mode(const struct drm_display_mode *fixed_mode,
struct drm_display_mode *adjusted_mode);
enum drm_mode_status
intel_panel_mode_valid(struct intel_connector *connector,
const struct drm_display_mode *mode);
int intel_panel_fitting(struct intel_crtc_state *crtc_state,
const struct drm_connector_state *conn_state);
struct drm_display_mode *