Mesa (master): panfrost: Add quirks system to cmdstream
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Tue Dec 3 04:44:05 UTC 2019
Module: Mesa
Branch: master
Commit: 6887ff4e79c7cb236c58a326159046a6406d21d5
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=6887ff4e79c7cb236c58a326159046a6406d21d5
Author: Tomeu Vizoso <tomeu.vizoso at collabora.com>
Date: Thu Nov 28 10:21:06 2019 +0100
panfrost: Add quirks system to cmdstream
Similarly to how it's already done in the compiler, add a way to express
differences between GPU models that need to be taken into account when
assembling the cmdstream.
Signed-off-by: Tomeu Vizoso <tomeu.vizoso at collabora.com>
---
src/gallium/drivers/panfrost/pan_blend_cso.c | 3 +-
src/gallium/drivers/panfrost/pan_context.c | 12 ++---
src/gallium/drivers/panfrost/pan_fragment.c | 3 +-
src/gallium/drivers/panfrost/pan_job.c | 3 +-
src/gallium/drivers/panfrost/pan_screen.c | 6 +--
src/gallium/drivers/panfrost/pan_screen.h | 2 +-
src/panfrost/include/panfrost-quirks.h | 67 ++++++++++++++++++++++++++++
7 files changed, 83 insertions(+), 13 deletions(-)
diff --git a/src/gallium/drivers/panfrost/pan_blend_cso.c b/src/gallium/drivers/panfrost/pan_blend_cso.c
index 48bd513ab6e..69683098c68 100644
--- a/src/gallium/drivers/panfrost/pan_blend_cso.c
+++ b/src/gallium/drivers/panfrost/pan_blend_cso.c
@@ -30,6 +30,7 @@
#include "pan_blend_shaders.h"
#include "pan_blending.h"
#include "pan_bo.h"
+#include "panfrost-quirks.h"
/* A given Gallium blend state can be encoded to the hardware in numerous,
* dramatically divergent ways due to the interactions of blending with
@@ -149,7 +150,7 @@ panfrost_bind_blend_state(struct pipe_context *pipe,
if (!blend)
return;
- if (screen->require_sfbd) {
+ if (screen->quirks & MIDGARD_SFBD) {
SET_BIT(ctx->fragment_shader_core.unknown2_4, MALI_NO_DITHER, !blend->dither);
}
diff --git a/src/gallium/drivers/panfrost/pan_context.c b/src/gallium/drivers/panfrost/pan_context.c
index 0c95ea6631c..af8f94354e9 100644
--- a/src/gallium/drivers/panfrost/pan_context.c
+++ b/src/gallium/drivers/panfrost/pan_context.c
@@ -30,6 +30,7 @@
#include "pan_bo.h"
#include "pan_context.h"
#include "pan_format.h"
+#include "panfrost-quirks.h"
#include "util/macros.h"
#include "util/format/u_format.h"
@@ -102,7 +103,7 @@ panfrost_emit_midg_tiler(struct panfrost_batch *batch, unsigned vertex_count)
/* Disable the tiler */
t.hierarchy_mask |= MALI_TILER_DISABLED;
- if (screen->require_sfbd) {
+ if (screen->quirks & MIDGARD_SFBD) {
t.hierarchy_mask = 0xFFF; /* TODO: What's this? */
t.polygon_list_size = 0x200;
@@ -217,7 +218,7 @@ panfrost_attach_vt_framebuffer(struct panfrost_context *ctx)
struct panfrost_batch *batch = panfrost_get_batch_for_fbo(ctx);
if (!batch->framebuffer)
- batch->framebuffer = screen->require_sfbd ?
+ batch->framebuffer = (screen->quirks & MIDGARD_SFBD) ?
panfrost_attach_vt_sfbd(batch) :
panfrost_attach_vt_mfbd(batch);
@@ -426,9 +427,8 @@ panfrost_default_shader_backend(struct panfrost_context *ctx)
* these earlier chips (perhaps this is a chicken bit of some kind).
* More investigation is needed. */
- if (screen->require_sfbd) {
+ if (screen->quirks & MIDGARD_SFBD)
shader.unknown2_4 |= 0x10;
- }
struct pipe_stencil_state default_stencil = {
.enabled = 0,
@@ -1068,7 +1068,7 @@ panfrost_emit_for_draw(struct panfrost_context *ctx, bool with_vertex_data)
ctx->fragment_shader_core.blend.shader = 0;
}
- if (screen->require_sfbd) {
+ if (screen->quirks & MIDGARD_SFBD) {
/* When only a single render target platform is used, the blend
* information is inside the shader meta itself. We
* additionally need to signal CAN_DISCARD for nontrivial blend
@@ -1092,7 +1092,7 @@ panfrost_emit_for_draw(struct panfrost_context *ctx, bool with_vertex_data)
ctx->payloads[PIPE_SHADER_FRAGMENT].postfix.shader = transfer.gpu;
- if (!screen->require_sfbd) {
+ if (!(screen->quirks & MIDGARD_SFBD)) {
/* Additional blend descriptor tacked on for jobs using MFBD */
struct midgard_blend_rt rts[4];
diff --git a/src/gallium/drivers/panfrost/pan_fragment.c b/src/gallium/drivers/panfrost/pan_fragment.c
index 9fe39d7c1bb..b6bbce391c4 100644
--- a/src/gallium/drivers/panfrost/pan_fragment.c
+++ b/src/gallium/drivers/panfrost/pan_fragment.c
@@ -25,6 +25,7 @@
#include "pan_context.h"
#include "pan_util.h"
#include "pan_format.h"
+#include "panfrost-quirks.h"
#include "util/format/u_format.h"
@@ -52,7 +53,7 @@ panfrost_fragment_job(struct panfrost_batch *batch, bool has_draws)
{
struct panfrost_screen *screen = pan_screen(batch->ctx->base.screen);
- mali_ptr framebuffer = screen->require_sfbd ?
+ mali_ptr framebuffer = screen->quirks & MIDGARD_SFBD ?
panfrost_sfbd_fragment(batch, has_draws) :
panfrost_mfbd_fragment(batch, has_draws);
diff --git a/src/gallium/drivers/panfrost/pan_job.c b/src/gallium/drivers/panfrost/pan_job.c
index ea6bd022511..e2e54aff216 100644
--- a/src/gallium/drivers/panfrost/pan_job.c
+++ b/src/gallium/drivers/panfrost/pan_job.c
@@ -35,6 +35,7 @@
#include "util/u_pack_color.h"
#include "pan_util.h"
#include "pandecode/decode.h"
+#include "panfrost-quirks.h"
/* panfrost_bo_access is here to help us keep track of batch accesses to BOs
* and build a proper dependency graph such that batches can be pipelined for
@@ -677,7 +678,7 @@ panfrost_batch_get_tiler_dummy(struct panfrost_batch *batch)
if (batch->tiler_dummy)
return batch->tiler_dummy;
- if (!screen->require_sfbd)
+ if (!(screen->quirks & MIDGARD_NO_HIER_TILING))
create_flags = PAN_BO_INVISIBLE;
batch->tiler_dummy = panfrost_batch_create_bo(batch, 4096,
diff --git a/src/gallium/drivers/panfrost/pan_screen.c b/src/gallium/drivers/panfrost/pan_screen.c
index 212bc5b02ac..f0b9585e658 100644
--- a/src/gallium/drivers/panfrost/pan_screen.c
+++ b/src/gallium/drivers/panfrost/pan_screen.c
@@ -52,6 +52,7 @@
#include "pan_context.h"
#include "midgard/midgard_compile.h"
+#include "panfrost-quirks.h"
static const struct debug_named_value debug_options[] = {
{"msgs", PAN_DBG_MSGS, "Print debug messages"},
@@ -732,7 +733,7 @@ panfrost_create_screen(int fd, struct renderonly *ro)
screen->fd = fd;
screen->gpu_id = panfrost_query_gpu_version(screen);
- screen->require_sfbd = screen->gpu_id < 0x0750; /* T760 is the first to support MFBD */
+ screen->quirks = panfrost_get_quirks(screen->gpu_id);
screen->kernel_version = drmGetVersion(fd);
/* Check if we're loading against a supported GPU model. */
@@ -744,8 +745,7 @@ panfrost_create_screen(int fd, struct renderonly *ro)
break;
default:
/* Fail to load against untested models */
- debug_printf("panfrost: Unsupported model %X",
- screen->gpu_id);
+ debug_printf("panfrost: Unsupported model %X", screen->gpu_id);
return NULL;
}
diff --git a/src/gallium/drivers/panfrost/pan_screen.h b/src/gallium/drivers/panfrost/pan_screen.h
index c864629a372..974010ae994 100644
--- a/src/gallium/drivers/panfrost/pan_screen.h
+++ b/src/gallium/drivers/panfrost/pan_screen.h
@@ -80,7 +80,7 @@ struct panfrost_screen {
/* Properties of the GPU in use */
unsigned gpu_id;
- bool require_sfbd;
+ unsigned quirks;
drmVersionPtr kernel_version;
diff --git a/src/panfrost/include/panfrost-quirks.h b/src/panfrost/include/panfrost-quirks.h
new file mode 100644
index 00000000000..83c7c84b020
--- /dev/null
+++ b/src/panfrost/include/panfrost-quirks.h
@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2019 Collabora, Ltd.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef __PANFROST_QUIRKS_H
+#define __PANFROST_QUIRKS_H
+
+/* Model-specific quirks requiring workarounds/etc. Quirks may be errata
+ * requiring a workaround, or features. We're trying to be quirk-positive
+ * here; quirky is the best! */
+
+/* Whether the GPU lacks the capability for hierarchical tiling, without an
+ * "Advanced Tiling Unit", instead requiring a single bin size for the entire
+ * framebuffer be selected by the driver */
+
+#define MIDGARD_NO_HIER_TILING (1 << 0)
+
+/* Whether this GPU lacks native multiple render target support and accordingly
+ * needs SFBDs instead, with complex lowering with ES3 */
+
+#define MIDGARD_SFBD (1 << 1)
+
+static inline unsigned
+panfrost_get_quirks(unsigned gpu_id)
+{
+ switch (gpu_id) {
+ case 0x600:
+ case 0x620:
+ return MIDGARD_SFBD;
+
+ case 0x720:
+ return MIDGARD_SFBD | MIDGARD_NO_HIER_TILING;
+
+ case 0x820:
+ case 0x830:
+ return MIDGARD_NO_HIER_TILING;
+
+ case 0x750:
+ case 0x860:
+ case 0x880:
+ return 0;
+
+ default:
+ unreachable("Invalid Midgard GPU ID");
+ }
+}
+
+#endif
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