lima: add debug flag to disable tiling

Add debug flag to disable tiling. Note that it prevents lima from creating
tiled buffers, but it's still able to import them if modifier is specified

Reviewed-by: Andreas Baierl <ichgeh@imkreisrum.de>
Reviewed-by: Erico Nunes <nunes.erico@gmail.com>
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>

diff --git a/src/gallium/drivers/lima/lima_resource.c b/src/gallium/drivers/lima/lima_resource.c
index db116d06a83126ff6071ffa56d317c18af11220a..2785341785238adba21a4ac2ff075370e2a74990 100644 (file)
--- a/src/gallium/drivers/lima/lima_resource.c
+++ b/src/gallium/drivers/lima/lima_resource.c
@@ -178,7 +178,7 @@ _lima_resource_create_with_modifiers(struct pipe_screen *pscreen,
                                      int count)
 {
    struct lima_screen *screen = lima_screen(pscreen);
-   bool should_tile = true;
+   bool should_tile = lima_debug & LIMA_DEBUG_NO_TILING ? false : true;
    unsigned width, height;
    bool should_align_dimensions;
    bool has_user_modifiers = true;

diff --git a/src/gallium/drivers/lima/lima_screen.c b/src/gallium/drivers/lima/lima_screen.c
index 9610018115d35090a0e7cb42653cc9627be3a34f..5d2696e4866242562913cf158ff07233dece7bac 100644 (file)
--- a/src/gallium/drivers/lima/lima_screen.c
+++ b/src/gallium/drivers/lima/lima_screen.c
@@ -447,6 +447,8 @@ static const struct debug_named_value debug_options[] = {
           "disable BO cache" },
         { "bocache", LIMA_DEBUG_BO_CACHE,
           "print debug info for BO cache" },
+        { "notiling", LIMA_DEBUG_NO_TILING,
+          "don't use tiled buffers" },
         { NULL }
 };
 

diff --git a/src/gallium/drivers/lima/lima_screen.h b/src/gallium/drivers/lima/lima_screen.h
index 426f8e956c17709f35e9432236829d457bb5a9a5..b75096bf98375fbdc0fee23c16a453cfc44fd565 100644 (file)
--- a/src/gallium/drivers/lima/lima_screen.h
+++ b/src/gallium/drivers/lima/lima_screen.h
@@ -39,6 +39,7 @@
 #define LIMA_DEBUG_SHADERDB       (1 << 3)
 #define LIMA_DEBUG_NO_BO_CACHE    (1 << 4)
 #define LIMA_DEBUG_BO_CACHE       (1 << 5)
+#define LIMA_DEBUG_NO_TILING      (1 << 6)
 
 extern uint32_t lima_debug;
 extern int lima_ctx_num_plb;