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-rw-r--r--drivers/gpu/drm/etnaviv/Makefile1
-rw-r--r--drivers/gpu/drm/etnaviv/etnaviv_gpu.c7
-rw-r--r--drivers/gpu/drm/etnaviv/etnaviv_gpu.h1
-rw-r--r--drivers/gpu/drm/etnaviv/etnaviv_hwdb.c65
4 files changed, 74 insertions, 0 deletions
diff --git a/drivers/gpu/drm/etnaviv/Makefile b/drivers/gpu/drm/etnaviv/Makefile
index 9bb780c..46e5ffa 100644
--- a/drivers/gpu/drm/etnaviv/Makefile
+++ b/drivers/gpu/drm/etnaviv/Makefile
@@ -9,6 +9,7 @@ etnaviv-y := \
etnaviv_gem_submit.o \
etnaviv_gem.o \
etnaviv_gpu.o \
+ etnaviv_hwdb.o \
etnaviv_iommu_v2.o \
etnaviv_iommu.o \
etnaviv_mmu.o \
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
index 42ad286..dfb1271 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
@@ -374,6 +374,13 @@ static void etnaviv_hw_identify(struct etnaviv_gpu *gpu)
dev_info(gpu->dev, "model: GC%x, revision: %x\n",
gpu->identity.model, gpu->identity.revision);
+ /*
+ * If there is a match in the HWDB, we aren't interested in the
+ * remaining register values, as they might be wrong.
+ */
+ if (etnaviv_fill_identity_from_hwdb(gpu))
+ return;
+
gpu->identity.features = gpu_read(gpu, VIVS_HI_CHIP_FEATURE);
/* Disable fast clear on GC700. */
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.h b/drivers/gpu/drm/etnaviv/etnaviv_gpu.h
index 18460df..1620015 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.h
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.h
@@ -170,6 +170,7 @@ static inline bool fence_completed(struct etnaviv_gpu *gpu, u32 fence)
int etnaviv_gpu_get_param(struct etnaviv_gpu *gpu, u32 param, u64 *value);
int etnaviv_gpu_init(struct etnaviv_gpu *gpu);
+bool etnaviv_fill_identity_from_hwdb(struct etnaviv_gpu *gpu);
#ifdef CONFIG_DEBUG_FS
int etnaviv_gpu_debugfs(struct etnaviv_gpu *gpu, struct seq_file *m);
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_hwdb.c b/drivers/gpu/drm/etnaviv/etnaviv_hwdb.c
new file mode 100644
index 0000000..ea08bb3
--- /dev/null
+++ b/drivers/gpu/drm/etnaviv/etnaviv_hwdb.c
@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2018 Etnaviv Project
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "etnaviv_gpu.h"
+
+static const struct etnaviv_chip_identity etnaviv_chip_identities[] = {
+ {
+ .model = 0x7000,
+ .revision = 0x6214,
+ .stream_count = 16,
+ .register_max = 64,
+ .thread_count = 1024,
+ .shader_core_count = 4,
+ .vertex_cache_size = 16,
+ .vertex_output_buffer_size = 1024,
+ .pixel_pipes = 2,
+ .instruction_count = 512,
+ .num_constants = 320,
+ .buffer_size = 0,
+ .varyings_count = 16,
+ .features = 0xe0287cad,
+ .minor_features0 = 0xc1799eff,
+ .minor_features1 = 0xfefbfad9,
+ .minor_features2 = 0xeb9d4fbf,
+ .minor_features3 = 0xedfffced,
+ .minor_features4 = 0xdb0dafc7,
+ .minor_features5 = 0xbb5ac333,
+ .minor_features6 = 0xfc8ee200,
+ .minor_features7 = 0x03fbfa6f,
+ .minor_features8 = 0x00ef0ef0,
+ .minor_features9 = 0x0edbf03c,
+ .minor_features10 = 0x90044250,
+ .minor_features11 = 0x00000024,
+ },
+};
+
+bool etnaviv_fill_identity_from_hwdb(struct etnaviv_gpu *gpu)
+{
+ struct etnaviv_chip_identity *ident = &gpu->identity;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(etnaviv_chip_identities); i++) {
+ if (etnaviv_chip_identities[i].model == ident->model &&
+ etnaviv_chip_identities[i].revision == ident->revision) {
+ memcpy(ident, &etnaviv_chip_identities[i],
+ sizeof(*ident));
+ return true;
+ }
+ }
+
+ return false;
+}
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