intel_plane_fb_max_stride should return the max stride of
primary plane for first available pipe in intel device info
pipe_mask.
changes since RFC:
- Introduced a helper to get first intel_crtc intel_get_first_crtc. [Ville]
Cc: Ville Syrjälä <ville.syrj...@linux.intel.com>
Signed-off-by: Anshuman Gupta <anshuman.gu...@intel.com>
---
drivers/gpu/drm/i915/display/intel_display.c | 5 +++--
drivers/gpu/drm/i915/display/intel_display_types.h | 6 ++++++
2 files changed, 9 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_display.c
b/drivers/gpu/drm/i915/display/intel_display.c
index 7c51eb3faeb3..0dcf400f6954 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -2706,9 +2706,10 @@ u32 intel_plane_fb_max_stride(struct drm_i915_private
*dev_priv,
/*
* We assume the primary plane for pipe A has
- * the highest stride limits of them all.
+ * the highest stride limits of them all,
+ * if in case pipe A is disabled, use the first pipe from pipe_mask.
*/
- crtc = intel_get_crtc_for_pipe(dev_priv, PIPE_A);
+ crtc = intel_get_first_crtc(dev_priv);
if (!crtc)
return 0;
diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h
b/drivers/gpu/drm/i915/display/intel_display_types.h
index 80a6460da852..1f295c89061a 100644
--- a/drivers/gpu/drm/i915/display/intel_display_types.h
+++ b/drivers/gpu/drm/i915/display/intel_display_types.h
@@ -1423,6 +1423,12 @@ vlv_pipe_to_channel(enum pipe pipe)
}
}
+static inline struct intel_crtc *
+intel_get_first_crtc(struct drm_i915_private *dev_priv)
+{
+ return to_intel_crtc(drm_crtc_from_index(&dev_priv->drm, 0));
+}
+
static inline struct intel_crtc *
intel_get_crtc_for_pipe(struct drm_i915_private *dev_priv, enum pipe pipe)
{
--
2.24.0
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