intel_plane_fb_max_stride should return the max stride of
primary plane for first available pipe in intel device info
pipe_mask.

Cc: Ville Syrjälä <[email protected]>
Signed-off-by: Anshuman Gupta <[email protected]>
---
 drivers/gpu/drm/i915/display/intel_display.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_display.c 
b/drivers/gpu/drm/i915/display/intel_display.c
index b250b31f6000..b9209b7e71d7 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -2703,12 +2703,15 @@ u32 intel_plane_fb_max_stride(struct drm_i915_private 
*dev_priv,
 {
        struct intel_crtc *crtc;
        struct intel_plane *plane;
+       enum pipe pipe;
 
        /*
         * 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);
+       pipe = ffs(INTEL_INFO(dev_priv)->pipe_mask) - 1;
+       crtc = intel_get_crtc_for_pipe(dev_priv, pipe);
        if (!crtc)
                return 0;
 
-- 
2.24.0

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