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-rw-r--r--src/intel/isl/isl.c14
-rw-r--r--src/intel/isl/isl.h6
2 files changed, 19 insertions, 1 deletions
diff --git a/src/intel/isl/isl.c b/src/intel/isl/isl.c
index 749fcdf46b0..98a1152c282 100644
--- a/src/intel/isl/isl.c
+++ b/src/intel/isl/isl.c
@@ -1118,10 +1118,22 @@ isl_calc_row_pitch(const struct isl_device *dev,
const uint32_t alignment =
isl_calc_row_pitch_alignment(surf_info, tile_info);
- const uint32_t row_pitch =
+ const uint32_t min_row_pitch =
isl_calc_min_row_pitch(dev, surf_info, tile_info, phys_slice0_sa,
alignment);
+ uint32_t row_pitch = min_row_pitch;
+
+ if (surf_info->row_pitch != 0) {
+ row_pitch = surf_info->row_pitch;
+
+ if (row_pitch < min_row_pitch)
+ return false;
+
+ if (row_pitch % alignment != 0)
+ return false;
+ }
+
const uint32_t row_pitch_tiles = row_pitch / tile_info->phys_extent_B.width;
if (row_pitch == 0)
diff --git a/src/intel/isl/isl.h b/src/intel/isl/isl.h
index 9d92906ca71..012be7b98e7 100644
--- a/src/intel/isl/isl.h
+++ b/src/intel/isl/isl.h
@@ -813,6 +813,12 @@ struct isl_surf_init_info {
/** Lower bound for isl_surf::pitch, in bytes. */
uint32_t min_pitch;
+ /**
+ * Exact value for isl_surf::row_pitch. Ignored if zero. isl_surf_init()
+ * will fail if this is misaligned or out of bounds.
+ */
+ uint32_t row_pitch;
+
isl_surf_usage_flags_t usage;
/** Flags that alter how ISL selects isl_surf::tiling. */