[Mesa-dev] [PATCH v2 2/2] isl: the display engine requires 64B alignment for linear surfaces

[Samuel Iglesias Gonsálvez]

Signed-off-by: Samuel Iglesias Gonsálvez <siglesias at igalia.com>
---
 src/intel/isl/isl.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/intel/isl/isl.c b/src/intel/isl/isl.c
index 5c34efb9a13..7fb469687fa 100644
--- a/src/intel/isl/isl.c
+++ b/src/intel/isl/isl.c
@@ -1519,6 +1519,9 @@ isl_surf_init_s(const struct isl_device *dev,
          }
       }
       base_alignment_B = isl_round_up_to_power_of_two(base_alignment_B);
+      /* The display engine requires 64B alignment for linear surfaces.  */
+      if (isl_surf_usage_is_display(info->usage))
+         base_alignment_B = MAX(base_alignment_B, 64);
    } else {
       const uint32_t total_h_tl =
          isl_align_div(phys_total_el.h, tile_info.logical_extent_el.height);
-- 
2.19.1