freedreno: Add debug flag for forcing linear layouts

Reviewed-by: Eric Anholt <[email protected]>
Signed-off-by: Kristian H. Kristensen <[email protected]>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/2848>

3 files changed, 33 insertions, 25 deletions

diff --git a/src/gallium/drivers/freedreno/freedreno_resource.c b/src/gallium/drivers/freedreno/freedreno_resource.c
index 10e9196886f..d1df32cab9a 100644
--- a/src/gallium/drivers/freedreno/freedreno_resource.c
+++ b/src/gallium/drivers/freedreno/freedreno_resource.c
@@ -963,6 +963,9 @@ fd_resource_create_with_modifiers(struct pipe_screen *pscreen,
 	if (tmpl->bind & LINEAR)
 		linear = true;
 
+	if (fd_mesa_debug & FD_DBG_NOTILE)
+		linear = true;
+
 	/* Normally, for non-shared buffers, allow buffer compression if
 	 * not shared, otherwise only allow if QCOM_COMPRESSED modifier
 	 * is requested:
diff --git a/src/gallium/drivers/freedreno/freedreno_screen.c b/src/gallium/drivers/freedreno/freedreno_screen.c
index 9113b4ef6b3..d467cae6b00 100644
--- a/src/gallium/drivers/freedreno/freedreno_screen.c
+++ b/src/gallium/drivers/freedreno/freedreno_screen.c
@@ -90,6 +90,7 @@ static const struct debug_named_value debug_options[] = {
 		{"perfcntrs", FD_DBG_PERFC,  "Expose performance counters"},
 		{"noubwc",    FD_DBG_NOUBWC, "Disable UBWC for all internal buffers"},
 		{"nolrz",     FD_DBG_NOLRZ,  "Disable LRZ (a6xx)"},
+		{"notile",    FD_DBG_NOTILE, "Disable tiling for all internal buffers"},
 		DEBUG_NAMED_VALUE_END
 };
 
diff --git a/src/gallium/drivers/freedreno/freedreno_util.h b/src/gallium/drivers/freedreno/freedreno_util.h
index b0dc3e91baa..33b38472d69 100644
--- a/src/gallium/drivers/freedreno/freedreno_util.h
+++ b/src/gallium/drivers/freedreno/freedreno_util.h
@@ -61,31 +61,35 @@ enum adreno_stencil_op fd_stencil_op(unsigned op);
 
 #define MAX_RENDER_TARGETS A6XX_MAX_RENDER_TARGETS
 
-#define FD_DBG_MSGS     0x0001
-#define FD_DBG_DISASM   0x0002
-#define FD_DBG_DCLEAR   0x0004
-#define FD_DBG_DDRAW    0x0008
-#define FD_DBG_NOSCIS   0x0010
-#define FD_DBG_DIRECT   0x0020
-#define FD_DBG_NOBYPASS 0x0040
-#define FD_DBG_FRAGHALF 0x0080
-#define FD_DBG_NOBIN    0x0100
-#define FD_DBG_NOGMEM   0x0200
-#define FD_DBG_GLSL120  0x0400
-#define FD_DBG_SHADERDB 0x0800
-#define FD_DBG_FLUSH    0x1000
-#define FD_DBG_DEQP     0x2000
-#define FD_DBG_INORDER  0x4000
-#define FD_DBG_BSTAT    0x8000
-#define FD_DBG_NOGROW  0x10000
-#define FD_DBG_LRZ     0x20000
-#define FD_DBG_NOINDR  0x40000
-#define FD_DBG_NOBLIT  0x80000
-#define FD_DBG_HIPRIO 0x100000
-#define FD_DBG_TTILE  0x200000
-#define FD_DBG_PERFC  0x400000
-#define FD_DBG_NOUBWC 0x800000
-#define FD_DBG_NOLRZ 0x1000000
+enum fd_debug_flag {
+	FD_DBG_MSGS         = BITFIELD_BIT(0),
+	FD_DBG_DISASM       = BITFIELD_BIT(1),
+	FD_DBG_DCLEAR       = BITFIELD_BIT(2),
+	FD_DBG_DDRAW        = BITFIELD_BIT(3),
+	FD_DBG_NOSCIS       = BITFIELD_BIT(4),
+	FD_DBG_DIRECT       = BITFIELD_BIT(5),
+	FD_DBG_NOBYPASS     = BITFIELD_BIT(6),
+	FD_DBG_FRAGHALF     = BITFIELD_BIT(7),
+	FD_DBG_NOBIN        = BITFIELD_BIT(8),
+	FD_DBG_NOGMEM       = BITFIELD_BIT(9),
+	FD_DBG_GLSL120      = BITFIELD_BIT(10),
+	FD_DBG_SHADERDB     = BITFIELD_BIT(11),
+	FD_DBG_FLUSH        = BITFIELD_BIT(12),
+	FD_DBG_DEQP         = BITFIELD_BIT(13),
+	FD_DBG_INORDER      = BITFIELD_BIT(14),
+	FD_DBG_BSTAT        = BITFIELD_BIT(15),
+	FD_DBG_NOGROW       = BITFIELD_BIT(16),
+	FD_DBG_LRZ          = BITFIELD_BIT(17),
+	FD_DBG_NOINDR       = BITFIELD_BIT(18),
+	FD_DBG_NOBLIT       = BITFIELD_BIT(19),
+	FD_DBG_HIPRIO       = BITFIELD_BIT(20),
+	FD_DBG_TTILE        = BITFIELD_BIT(21),
+	FD_DBG_PERFC        = BITFIELD_BIT(22),
+	FD_DBG_NOUBWC       = BITFIELD_BIT(23),
+	FD_DBG_NOLRZ        = BITFIELD_BIT(24),
+	FD_DBG_NOTILE       = BITFIELD_BIT(25),
+};
+
 extern int fd_mesa_debug;
 extern bool fd_binning_enabled;