From: Ville Syrjälä Date: Thu, 21 Mar 2019 13:24:46 +0000 (+0200) Subject: drm/i915: Clean up EDID downclock mode lookup X-Git-Tag: v5.2-rc1~48^2~39^2~48 X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=abf1aae8259e7f24dc88ebba4a5df1f8fd72f7c8;p=uclinux-h8%2Flinux.git drm/i915: Clean up EDID downclock mode lookup Rename intel_find_panel_downclock() to intel_panel_edid_downclock_mode() to make it clear it's looking for the downclock mode in the EDID. And while at it polish the implementation a bit as well. Signed-off-by: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/20190321132446.22394-6-ville.syrjala@linux.intel.com Reviewed-by: Chris Wilson Acked-by: Jani Nikula --- diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 57d769bca3b8..326de12c3f44 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -7033,9 +7033,7 @@ intel_dp_drrs_init(struct intel_connector *connector, return NULL; } - downclock_mode = intel_find_panel_downclock(dev_priv, fixed_mode, - &connector->base); - + downclock_mode = intel_panel_edid_downclock_mode(connector, fixed_mode); if (!downclock_mode) { DRM_DEBUG_KMS("Downclock mode is not found. DRRS not supported\n"); return NULL; diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 5f9764835487..14765a4b31a9 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -2153,10 +2153,9 @@ void intel_panel_update_backlight(struct intel_encoder *encoder, const struct intel_crtc_state *crtc_state, const struct drm_connector_state *conn_state); void intel_panel_disable_backlight(const struct drm_connector_state *old_conn_state); -extern struct drm_display_mode *intel_find_panel_downclock( - struct drm_i915_private *dev_priv, - struct drm_display_mode *fixed_mode, - struct drm_connector *connector); +struct drm_display_mode * +intel_panel_edid_downclock_mode(struct intel_connector *connector, + const struct drm_display_mode *fixed_mode); struct drm_display_mode * intel_panel_edid_fixed_mode(struct intel_connector *connector); struct drm_display_mode * diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c index 4727e74f7437..47cd4a338db6 100644 --- a/drivers/gpu/drm/i915/intel_panel.c +++ b/drivers/gpu/drm/i915/intel_panel.c @@ -56,24 +56,16 @@ static bool is_downclock_mode(const struct drm_display_mode *downclock_mode, downclock_mode->clock < fixed_mode->clock; } -/** - * intel_find_panel_downclock - find the reduced downclock for LVDS in EDID - * @dev_priv: i915 device instance - * @fixed_mode : panel native mode - * @connector: LVDS/eDP connector - * - * Return downclock_avail - * Find the reduced downclock for LVDS/eDP in EDID. - */ struct drm_display_mode * -intel_find_panel_downclock(struct drm_i915_private *dev_priv, - struct drm_display_mode *fixed_mode, - struct drm_connector *connector) +intel_panel_edid_downclock_mode(struct intel_connector *connector, + const struct drm_display_mode *fixed_mode) { + struct drm_i915_private *dev_priv = to_i915(connector->base.dev); const struct drm_display_mode *scan, *best_mode = NULL; + struct drm_display_mode *downclock_mode; int best_clock = fixed_mode->clock; - list_for_each_entry(scan, &connector->probed_modes, head) { + list_for_each_entry(scan, &connector->base.probed_modes, head) { /* * If one mode has the same resolution with the fixed_panel * mode while they have the different refresh rate, it means @@ -92,10 +84,18 @@ intel_find_panel_downclock(struct drm_i915_private *dev_priv, } } - if (best_mode) - return drm_mode_duplicate(&dev_priv->drm, best_mode); + if (!best_mode) + return NULL; + + downclock_mode = drm_mode_duplicate(&dev_priv->drm, best_mode); + if (!downclock_mode) + return NULL; + + DRM_DEBUG_KMS("[CONNECTOR:%d:%s] using downclock mode from EDID: ", + connector->base.base.id, connector->base.name); + drm_mode_debug_printmodeline(downclock_mode); - return NULL; + return downclock_mode; } struct drm_display_mode *