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Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3977-drm-amdkfd-Fix-race-in-gfx10-context-restore-handler.patch')
-rw-r--r--meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3977-drm-amdkfd-Fix-race-in-gfx10-context-restore-handler.patch205
1 files changed, 205 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3977-drm-amdkfd-Fix-race-in-gfx10-context-restore-handler.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3977-drm-amdkfd-Fix-race-in-gfx10-context-restore-handler.patch
new file mode 100644
index 00000000..c32a5c84
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3977-drm-amdkfd-Fix-race-in-gfx10-context-restore-handler.patch
@@ -0,0 +1,205 @@
+From 5406262808b235a2532f6a4a85c34dff3131b24a Mon Sep 17 00:00:00 2001
+From: Jay Cornwall <jay.cornwall@amd.com>
+Date: Wed, 25 Sep 2019 17:05:01 -0500
+Subject: [PATCH 3977/4256] drm/amdkfd: Fix race in gfx10 context restore
+ handler
+
+Missing synchronization with VGPR restore leads to intermittent
+VGPR trashing in the user shader.
+
+Signed-off-by: Jay Cornwall <jay.cornwall@amd.com>
+Reviewed-by: Yong Zhao <Yong.Zhao@amd.com>
+---
+ .../gpu/drm/amd/amdkfd/cwsr_trap_handler.h | 139 +++++++++---------
+ .../amd/amdkfd/cwsr_trap_handler_gfx10.asm | 1 +
+ 2 files changed, 71 insertions(+), 69 deletions(-)
+
+diff --git a/drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler.h b/drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler.h
+index 901fe3590165..d3400da6ab64 100644
+--- a/drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler.h
++++ b/drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler.h
+@@ -905,7 +905,7 @@ static const uint32_t cwsr_trap_gfx10_hex[] = {
+ 0x7a5d0000, 0x807c817c,
+ 0x807aff7a, 0x00000080,
+ 0xbf0a717c, 0xbf85fff8,
+- 0xbf820141, 0xbef4037e,
++ 0xbf820142, 0xbef4037e,
+ 0x8775ff7f, 0x0000ffff,
+ 0x8875ff75, 0x00040000,
+ 0xbef60380, 0xbef703ff,
+@@ -967,7 +967,7 @@ static const uint32_t cwsr_trap_gfx10_hex[] = {
+ 0x725d0000, 0xe0304080,
+ 0x725d0100, 0xe0304100,
+ 0x725d0200, 0xe0304180,
+- 0x725d0300, 0xbf820031,
++ 0x725d0300, 0xbf820032,
+ 0xbef603ff, 0x01000000,
+ 0xbef20378, 0x8078ff78,
+ 0x00000400, 0xbefc0384,
+@@ -992,83 +992,84 @@ static const uint32_t cwsr_trap_gfx10_hex[] = {
+ 0x725d0000, 0xe0304100,
+ 0x725d0100, 0xe0304200,
+ 0x725d0200, 0xe0304300,
+- 0x725d0300, 0xb9782a05,
+- 0x80788178, 0x907c9973,
+- 0x877c817c, 0xbf06817c,
+- 0xbf850002, 0x8f788978,
+- 0xbf820001, 0x8f788a78,
+- 0xb9721e06, 0x8f728a72,
+- 0x80787278, 0x8078ff78,
+- 0x00000200, 0x80f8ff78,
+- 0x00000050, 0xbef603ff,
+- 0x01000000, 0xbefc03ff,
+- 0x0000006c, 0x80f89078,
+- 0xf429003a, 0xf0000000,
+- 0xbf8cc07f, 0x80fc847c,
+- 0xbf800000, 0xbe803100,
+- 0xbe823102, 0x80f8a078,
+- 0xf42d003a, 0xf0000000,
+- 0xbf8cc07f, 0x80fc887c,
+- 0xbf800000, 0xbe803100,
+- 0xbe823102, 0xbe843104,
+- 0xbe863106, 0x80f8c078,
+- 0xf431003a, 0xf0000000,
+- 0xbf8cc07f, 0x80fc907c,
+- 0xbf800000, 0xbe803100,
+- 0xbe823102, 0xbe843104,
+- 0xbe863106, 0xbe883108,
+- 0xbe8a310a, 0xbe8c310c,
+- 0xbe8e310e, 0xbf06807c,
+- 0xbf84fff0, 0xb9782a05,
+- 0x80788178, 0x907c9973,
+- 0x877c817c, 0xbf06817c,
+- 0xbf850002, 0x8f788978,
+- 0xbf820001, 0x8f788a78,
+- 0xb9721e06, 0x8f728a72,
+- 0x80787278, 0x8078ff78,
+- 0x00000200, 0xbef603ff,
+- 0x01000000, 0xf4211bfa,
++ 0x725d0300, 0xbf8c3f70,
++ 0xb9782a05, 0x80788178,
++ 0x907c9973, 0x877c817c,
++ 0xbf06817c, 0xbf850002,
++ 0x8f788978, 0xbf820001,
++ 0x8f788a78, 0xb9721e06,
++ 0x8f728a72, 0x80787278,
++ 0x8078ff78, 0x00000200,
++ 0x80f8ff78, 0x00000050,
++ 0xbef603ff, 0x01000000,
++ 0xbefc03ff, 0x0000006c,
++ 0x80f89078, 0xf429003a,
++ 0xf0000000, 0xbf8cc07f,
++ 0x80fc847c, 0xbf800000,
++ 0xbe803100, 0xbe823102,
++ 0x80f8a078, 0xf42d003a,
++ 0xf0000000, 0xbf8cc07f,
++ 0x80fc887c, 0xbf800000,
++ 0xbe803100, 0xbe823102,
++ 0xbe843104, 0xbe863106,
++ 0x80f8c078, 0xf431003a,
++ 0xf0000000, 0xbf8cc07f,
++ 0x80fc907c, 0xbf800000,
++ 0xbe803100, 0xbe823102,
++ 0xbe843104, 0xbe863106,
++ 0xbe883108, 0xbe8a310a,
++ 0xbe8c310c, 0xbe8e310e,
++ 0xbf06807c, 0xbf84fff0,
++ 0xb9782a05, 0x80788178,
++ 0x907c9973, 0x877c817c,
++ 0xbf06817c, 0xbf850002,
++ 0x8f788978, 0xbf820001,
++ 0x8f788a78, 0xb9721e06,
++ 0x8f728a72, 0x80787278,
++ 0x8078ff78, 0x00000200,
++ 0xbef603ff, 0x01000000,
++ 0xf4211bfa, 0xf0000000,
++ 0x80788478, 0xf4211b3a,
+ 0xf0000000, 0x80788478,
+- 0xf4211b3a, 0xf0000000,
+- 0x80788478, 0xf4211b7a,
++ 0xf4211b7a, 0xf0000000,
++ 0x80788478, 0xf4211eba,
+ 0xf0000000, 0x80788478,
+- 0xf4211eba, 0xf0000000,
+- 0x80788478, 0xf4211efa,
++ 0xf4211efa, 0xf0000000,
++ 0x80788478, 0xf4211c3a,
+ 0xf0000000, 0x80788478,
+- 0xf4211c3a, 0xf0000000,
+- 0x80788478, 0xf4211c7a,
++ 0xf4211c7a, 0xf0000000,
++ 0x80788478, 0xf4211e7a,
+ 0xf0000000, 0x80788478,
+- 0xf4211e7a, 0xf0000000,
+- 0x80788478, 0xf4211cfa,
++ 0xf4211cfa, 0xf0000000,
++ 0x80788478, 0xf4211bba,
+ 0xf0000000, 0x80788478,
++ 0xbf8cc07f, 0xb9eef814,
+ 0xf4211bba, 0xf0000000,
+ 0x80788478, 0xbf8cc07f,
+- 0xb9eef814, 0xf4211bba,
+- 0xf0000000, 0x80788478,
+- 0xbf8cc07f, 0xb9eef815,
+- 0xbef2036d, 0x876dff72,
+- 0x0000ffff, 0xbefc036f,
+- 0xbefe037a, 0xbeff037b,
+- 0x876f71ff, 0x000003ff,
+- 0xb9ef4803, 0xb9f9f816,
+- 0x876f71ff, 0xfffff800,
+- 0x906f8b6f, 0xb9efa2c3,
+- 0xb9f3f801, 0x876fff72,
+- 0xfc000000, 0x906f9a6f,
+- 0x8f6f906f, 0xbef30380,
++ 0xb9eef815, 0xbef2036d,
++ 0x876dff72, 0x0000ffff,
++ 0xbefc036f, 0xbefe037a,
++ 0xbeff037b, 0x876f71ff,
++ 0x000003ff, 0xb9ef4803,
++ 0xb9f9f816, 0x876f71ff,
++ 0xfffff800, 0x906f8b6f,
++ 0xb9efa2c3, 0xb9f3f801,
++ 0x876fff72, 0xfc000000,
++ 0x906f9a6f, 0x8f6f906f,
++ 0xbef30380, 0x88736f73,
++ 0x876fff72, 0x02000000,
++ 0x906f996f, 0x8f6f8f6f,
+ 0x88736f73, 0x876fff72,
+- 0x02000000, 0x906f996f,
+- 0x8f6f8f6f, 0x88736f73,
+- 0x876fff72, 0x01000000,
+- 0x906f986f, 0x8f6f996f,
+- 0x88736f73, 0x876fff70,
+- 0x00800000, 0x906f976f,
+- 0xb9f3f807, 0x87fe7e7e,
+- 0x87ea6a6a, 0xb9f0f802,
+- 0xbf8a0000, 0xbe80226c,
+- 0xbf810000, 0xbf9f0000,
++ 0x01000000, 0x906f986f,
++ 0x8f6f996f, 0x88736f73,
++ 0x876fff70, 0x00800000,
++ 0x906f976f, 0xb9f3f807,
++ 0x87fe7e7e, 0x87ea6a6a,
++ 0xb9f0f802, 0xbf8a0000,
++ 0xbe80226c, 0xbf810000,
+ 0xbf9f0000, 0xbf9f0000,
+ 0xbf9f0000, 0xbf9f0000,
++ 0xbf9f0000, 0x00000000,
+ };
+ static const uint32_t cwsr_trap_arcturus_hex[] = {
+ 0xbf820001, 0xbf8202c4,
+diff --git a/drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx10.asm b/drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx10.asm
+index cdaa523ce6be..4433bda2ce25 100644
+--- a/drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx10.asm
++++ b/drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx10.asm
+@@ -758,6 +758,7 @@ L_RESTORE_V0:
+ buffer_load_dword v1, v0, s_restore_buf_rsrc0, s_restore_mem_offset_save slc:1 glc:1 offset:256
+ buffer_load_dword v2, v0, s_restore_buf_rsrc0, s_restore_mem_offset_save slc:1 glc:1 offset:256*2
+ buffer_load_dword v3, v0, s_restore_buf_rsrc0, s_restore_mem_offset_save slc:1 glc:1 offset:256*3
++ s_waitcnt vmcnt(0)
+
+ /* restore SGPRs */
+ //will be 2+8+16*6
+--
+2.17.1
+