Mesa (master): freedreno/a6xx: Enable UBWC modifier
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Fri Mar 1 15:52:16 UTC 2019
Module: Mesa
Branch: master
Commit: 12af6b30a34cf7522fc07276ec6b1aa7874b6c74
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=12af6b30a34cf7522fc07276ec6b1aa7874b6c74
Author: Fritz Koenig <frkoenig at google.com>
Date: Tue Feb 26 18:31:38 2019 -0800
freedreno/a6xx: Enable UBWC modifier
Adding the supported_modifiers allows buffers
to be created with UBWC
---
src/gallium/drivers/freedreno/a6xx/fd6_screen.c | 9 +++++++++
src/gallium/drivers/freedreno/freedreno_resource.c | 6 ++++++
src/gallium/drivers/freedreno/freedreno_screen.c | 1 +
src/gallium/drivers/freedreno/freedreno_util.h | 2 +-
4 files changed, 17 insertions(+), 1 deletion(-)
diff --git a/src/gallium/drivers/freedreno/a6xx/fd6_screen.c b/src/gallium/drivers/freedreno/a6xx/fd6_screen.c
index d5c78c16dc7..33e740f32fe 100644
--- a/src/gallium/drivers/freedreno/a6xx/fd6_screen.c
+++ b/src/gallium/drivers/freedreno/a6xx/fd6_screen.c
@@ -25,6 +25,7 @@
* Rob Clark <robclark at freedesktop.org>
*/
+#include "drm-uapi/drm_fourcc.h"
#include "pipe/p_screen.h"
#include "util/u_format.h"
@@ -137,4 +138,12 @@ fd6_screen_init(struct pipe_screen *pscreen)
screen->setup_slices = fd6_setup_slices;
screen->tile_mode = fd6_tile_mode;
screen->fill_ubwc_buffer_sizes = fd6_fill_ubwc_buffer_sizes;
+
+ static const uint64_t supported_modifiers[] = {
+ DRM_FORMAT_MOD_LINEAR,
+ DRM_FORMAT_MOD_QCOM_COMPRESSED,
+ };
+
+ screen->supported_modifiers = supported_modifiers;
+ screen->num_supported_modifiers = ARRAY_SIZE(supported_modifiers);
}
diff --git a/src/gallium/drivers/freedreno/freedreno_resource.c b/src/gallium/drivers/freedreno/freedreno_resource.c
index 22e3874a246..36d61d715ef 100644
--- a/src/gallium/drivers/freedreno/freedreno_resource.c
+++ b/src/gallium/drivers/freedreno/freedreno_resource.c
@@ -922,6 +922,12 @@ fd_resource_create_with_modifiers(struct pipe_screen *pscreen,
if (tmpl->bind & PIPE_BIND_SHARED)
allow_ubwc = find_modifier(DRM_FORMAT_MOD_QCOM_COMPRESSED, modifiers, count);
+ /* TODO turn on UBWC for all internal buffers
+ * Manhattan benchmark shows artifacts when enabled. Once this
+ * is fixed the following line can be removed.
+ */
+ allow_ubwc &= !!(fd_mesa_debug & FD_DBG_UBWC);
+
if (screen->tile_mode &&
(tmpl->target != PIPE_BUFFER) &&
!linear) {
diff --git a/src/gallium/drivers/freedreno/freedreno_screen.c b/src/gallium/drivers/freedreno/freedreno_screen.c
index 5b107b87ba8..98f720afbf0 100644
--- a/src/gallium/drivers/freedreno/freedreno_screen.c
+++ b/src/gallium/drivers/freedreno/freedreno_screen.c
@@ -88,6 +88,7 @@ static const struct debug_named_value debug_options[] = {
{"ttile", FD_DBG_TTILE, "Enable texture tiling (a5xx)"},
{"perfcntrs", FD_DBG_PERFC, "Expose performance counters"},
{"softpin", FD_DBG_SOFTPIN,"Enable softpin command submission (experimental)"},
+ {"ubwc", FD_DBG_UBWC, "Enable UBWC for all internal buffers (experimental)"},
DEBUG_NAMED_VALUE_END
};
diff --git a/src/gallium/drivers/freedreno/freedreno_util.h b/src/gallium/drivers/freedreno/freedreno_util.h
index 3e7ea638a6e..51eefc41f52 100644
--- a/src/gallium/drivers/freedreno/freedreno_util.h
+++ b/src/gallium/drivers/freedreno/freedreno_util.h
@@ -85,7 +85,7 @@ enum adreno_stencil_op fd_stencil_op(unsigned op);
#define FD_DBG_TTILE 0x200000
#define FD_DBG_PERFC 0x400000
#define FD_DBG_SOFTPIN 0x800000
-
+#define FD_DBG_UBWC 0x1000000
extern int fd_mesa_debug;
extern bool fd_binning_enabled;
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