Unknown, so future, gen are marked as -1 which we want to treat as -1u
so that always pass >= gen checks.

Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/2298
Signed-off-by: Chris Wilson <[email protected]>
Cc: Zbigniew Kempczyński <[email protected]>
---
 lib/intel_batchbuffer.c | 10 +++++-----
 lib/intel_batchbuffer.h | 10 ++++++----
 2 files changed, 11 insertions(+), 9 deletions(-)

diff --git a/lib/intel_batchbuffer.c b/lib/intel_batchbuffer.c
index 99c2e1489..375f11962 100644
--- a/lib/intel_batchbuffer.c
+++ b/lib/intel_batchbuffer.c
@@ -412,7 +412,7 @@ intel_blt_copy(struct intel_batchbuffer *batch,
               drm_intel_bo *dst_bo, int dst_x1, int dst_y1, int dst_pitch,
               int width, int height, int bpp)
 {
-       const int gen = batch->gen;
+       const unsigned int gen = batch->gen;
        uint32_t src_tiling, dst_tiling, swizzle;
        uint32_t cmd_bits = 0;
        uint32_t br13_bits;
@@ -551,7 +551,7 @@ unsigned igt_buf_height(const struct igt_buf *buf)
  * Returns:
  * The width of the ccs buffer data.
  */
-unsigned int igt_buf_intel_ccs_width(int gen, const struct igt_buf *buf)
+unsigned int igt_buf_intel_ccs_width(unsigned int gen, const struct igt_buf 
*buf)
 {
        /*
         * GEN12+: The CCS unit size is 64 bytes mapping 4 main surface
@@ -574,7 +574,7 @@ unsigned int igt_buf_intel_ccs_width(int gen, const struct 
igt_buf *buf)
  * Returns:
  * The height of the ccs buffer data.
  */
-unsigned int igt_buf_intel_ccs_height(int gen, const struct igt_buf *buf)
+unsigned int igt_buf_intel_ccs_height(unsigned int gen, const struct igt_buf 
*buf)
 {
        /*
         * GEN12+: The CCS unit size is 64 bytes mapping 4 main surface
@@ -701,7 +701,7 @@ fill_object(struct drm_i915_gem_exec_object2 *obj, uint32_t 
gem_handle,
 
 static void exec_blit(int fd,
                      struct drm_i915_gem_exec_object2 *objs, uint32_t count,
-                     int gen)
+                     unsigned int gen)
 {
        struct drm_i915_gem_execbuffer2 exec = {
                .buffers_ptr = to_user_pointer(objs),
@@ -2024,7 +2024,7 @@ void intel_bb_emit_blt_copy(struct intel_bb *ibb,
                            int dst_x1, int dst_y1, int dst_pitch,
                            int width, int height, int bpp)
 {
-       const int gen = ibb->gen;
+       const unsigned int gen = ibb->gen;
        uint32_t cmd_bits = 0;
        uint32_t br13_bits;
        uint32_t mask;
diff --git a/lib/intel_batchbuffer.h b/lib/intel_batchbuffer.h
index a69fffd8d..cfe743edc 100644
--- a/lib/intel_batchbuffer.h
+++ b/lib/intel_batchbuffer.h
@@ -15,7 +15,7 @@
 struct intel_batchbuffer {
        drm_intel_bufmgr *bufmgr;
        uint32_t devid;
-       int gen;
+       unsigned int gen;
 
        drm_intel_context *ctx;
        drm_intel_bo *bo;
@@ -263,8 +263,10 @@ static inline bool igt_buf_compressed(const struct igt_buf 
*buf)
 
 unsigned igt_buf_width(const struct igt_buf *buf);
 unsigned igt_buf_height(const struct igt_buf *buf);
-unsigned int igt_buf_intel_ccs_width(int gen, const struct igt_buf *buf);
-unsigned int igt_buf_intel_ccs_height(int gen, const struct igt_buf *buf);
+unsigned int igt_buf_intel_ccs_width(unsigned int gen,
+                                    const struct igt_buf *buf);
+unsigned int igt_buf_intel_ccs_height(unsigned int gen,
+                                     const struct igt_buf *buf);
 
 void igt_blitter_src_copy(int fd,
                          /* src */
@@ -431,7 +433,7 @@ igt_media_spinfunc_t igt_get_media_spinfunc(int devid);
  */
 struct intel_bb {
        int i915;
-       int gen;
+       unsigned int gen;
        bool debug;
        bool enforce_relocs;
        uint32_t devid;
-- 
2.28.0

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