[PATCH 06/17] drm/i915: Add helper to modeset a set of pipes

[Imre Deak <imre.deak@xxxxxxxxx>]

Add intel_modeset_pipes_in_mask() to modeset a provided set of pipes,
used in a follow-up patch.

Signed-off-by: Imre Deak <imre.deak@xxxxxxxxx>
---
 drivers/gpu/drm/i915/display/intel_display.c | 12 +++++++++---
 drivers/gpu/drm/i915/display/intel_display.h |  2 ++
 2 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index 763ab569d8f32..c35e5d7e45a3b 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -5420,8 +5420,8 @@ intel_verify_planes(struct intel_atomic_state *state)
 			     plane_state->uapi.visible);
 }
 
-int intel_modeset_all_pipes(struct intel_atomic_state *state,
-			    const char *reason)
+int intel_modeset_pipes_in_mask(struct intel_atomic_state *state,
+				const char *reason, u8 mask)
 {
 	struct drm_i915_private *dev_priv = to_i915(state->base.dev);
 	struct intel_crtc *crtc;
@@ -5430,7 +5430,7 @@ int intel_modeset_all_pipes(struct intel_atomic_state *state,
 	 * Add all pipes to the state, and force
 	 * a modeset on all the active ones.
 	 */
-	for_each_intel_crtc(&dev_priv->drm, crtc) {
+	for_each_intel_crtc_in_pipe_mask(&dev_priv->drm, crtc, mask) {
 		struct intel_crtc_state *crtc_state;
 		int ret;
 
@@ -5469,6 +5469,12 @@ int intel_modeset_all_pipes(struct intel_atomic_state *state,
 	return 0;
 }
 
+int intel_modeset_all_pipes(struct intel_atomic_state *state,
+			    const char *reason)
+{
+	return intel_modeset_pipes_in_mask(state, reason, -1);
+}
+
 /*
  * This implements the workaround described in the "notes" section of the mode
  * set sequence documentation. When going from no pipes or single pipe to
diff --git a/drivers/gpu/drm/i915/display/intel_display.h b/drivers/gpu/drm/i915/display/intel_display.h
index 49ac8473b988b..ffbabfc9e1e10 100644
--- a/drivers/gpu/drm/i915/display/intel_display.h
+++ b/drivers/gpu/drm/i915/display/intel_display.h
@@ -515,6 +515,8 @@ void intel_update_watermarks(struct drm_i915_private *i915);
 /* modesetting */
 int intel_modeset_all_pipes(struct intel_atomic_state *state,
 			    const char *reason);
+int intel_modeset_pipes_in_mask(struct intel_atomic_state *state,
+				const char *reason, u8 pipe_mask);
 void intel_modeset_get_crtc_power_domains(struct intel_crtc_state *crtc_state,
 					  struct intel_power_domain_mask *old_domains);
 void intel_modeset_put_crtc_power_domains(struct intel_crtc *crtc,
-- 
2.37.2