diff --git a/intel/intel_bufmgr_fake.c b/intel/intel_bufmgr_fake.c
index 7f4c7b9f..24b3732a 100644
--- a/intel/intel_bufmgr_fake.c
+++ b/intel/intel_bufmgr_fake.c
@@ -312,7 +312,7 @@ _fence_wait_internal(drm_intel_bufmgr_fake *bufmgr_fake, int seq)
 	 *
 	 * Assume that in userland we treat sequence numbers as ints, which
 	 * makes some of the comparisons convenient, since the sequence
-	 * numbers are all postive signed integers.
+	 * numbers are all positive signed integers.
 	 *
 	 * From this we get several cases we need to handle.  Here's a timeline.
 	 * 0x2   0x7                                    0x7ffffff8   0x7ffffffd
diff --git a/intel/intel_bufmgr_gem.c b/intel/intel_bufmgr_gem.c
index dc28200f..0a4012be 100644
--- a/intel/intel_bufmgr_gem.c
+++ b/intel/intel_bufmgr_gem.c
@@ -3379,7 +3379,7 @@ drm_intel_bufmgr_gem_init(int fd, int batch_size)
 	    bufmgr_gem->gtt_size > 256*1024*1024) {
 		/* The unmappable part of gtt on gen 3 (i.e. above 256MB) can't
 		 * be used for tiled blits. To simplify the accounting, just
-		 * substract the unmappable part (fixed to 256MB on all known
+		 * subtract the unmappable part (fixed to 256MB on all known
 		 * gen3 devices) if the kernel advertises it. */
 		bufmgr_gem->gtt_size -= 256*1024*1024;
 	}
diff --git a/intel/intel_decode.c b/intel/intel_decode.c
index 287c3427..803d2029 100644
--- a/intel/intel_decode.c
+++ b/intel/intel_decode.c
@@ -3598,7 +3598,7 @@ decode_3d_965(struct drm_intel_decode *ctx)
 		instr_out(ctx, 0, "3DSTATE_DEPTH_BUFFER\n");
 		if (IS_GEN5(devid) || IS_GEN6(devid))
 			instr_out(ctx, 1,
-				  "%s, %s, pitch = %d bytes, %stiled, HiZ %d, Seperate Stencil %d\n",
+				  "%s, %s, pitch = %d bytes, %stiled, HiZ %d, Separate Stencil %d\n",
 				  get_965_surfacetype(data[1] >> 29),
 				  get_965_depthformat((data[1] >> 18) & 0x7),
 				  (data[1] & 0x0001ffff) + 1,
diff --git a/intel/tests/gen5-3d.batch-ref.txt b/intel/tests/gen5-3d.batch-ref.txt
index a0271ab7..51dd85f3 100644
--- a/intel/tests/gen5-3d.batch-ref.txt
+++ b/intel/tests/gen5-3d.batch-ref.txt
@@ -24,7 +24,7 @@
 0x1230005c:      0x00000000:    dword 3
 0x12300060:      0x00000000:    dword 4
 0x12300064:      0x79050004: 3DSTATE_DEPTH_BUFFER
-0x12300068:      0x2c0805ff:    2D, z24s8, pitch = 1536 bytes, tiled, HiZ 0, Seperate Stencil 0
+0x12300068:      0x2c0805ff:    2D, z24s8, pitch = 1536 bytes, tiled, HiZ 0, Separate Stencil 0
 0x1230006c:      0x00000000:    depth offset
 0x12300070:      0x09584ac0:    300x300
 0x12300074:      0x00000000:    volume depth
diff --git a/intel/tests/gen6-3d.batch-ref.txt b/intel/tests/gen6-3d.batch-ref.txt
index 9035663d..04cbddc7 100644
--- a/intel/tests/gen6-3d.batch-ref.txt
+++ b/intel/tests/gen6-3d.batch-ref.txt
@@ -140,7 +140,7 @@
 0x1230022c:      0x00000000:    
 0x12300230:      0x00000000:    
 0x12300234:      0x79050005: 3DSTATE_DEPTH_BUFFER
-0x12300238:      0x2c6c05ff:    2D, unknown, pitch = 1536 bytes, tiled, HiZ 1, Seperate Stencil 1
+0x12300238:      0x2c6c05ff:    2D, unknown, pitch = 1536 bytes, tiled, HiZ 1, Separate Stencil 1
 0x1230023c:      0x00000000:    depth offset
 0x12300240:      0x09584ac0:    300x300
 0x12300244:      0x00000000:    volume depth