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Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/0786-drm-amdgpu-gfx9-rework-lbpw-enable-code.patch')
-rw-r--r--meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/0786-drm-amdgpu-gfx9-rework-lbpw-enable-code.patch59
1 files changed, 59 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/0786-drm-amdgpu-gfx9-rework-lbpw-enable-code.patch b/meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/0786-drm-amdgpu-gfx9-rework-lbpw-enable-code.patch
new file mode 100644
index 00000000..88c6fa28
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/0786-drm-amdgpu-gfx9-rework-lbpw-enable-code.patch
@@ -0,0 +1,59 @@
+From 9db7a0746c83d56340cbeb409adca200d7e3d475 Mon Sep 17 00:00:00 2001
+From: Alex Deucher <alexander.deucher@amd.com>
+Date: Thu, 8 Nov 2018 16:34:48 -0500
+Subject: [PATCH 0786/2940] drm/amdgpu/gfx9: rework lbpw enable code
+
+To avoid changing the global lbpw module parameter directly.
+
+Reviewed-by: Evan Quan <evan.quan@amd.com>
+Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
+---
+ drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 29 +++++++++++----------------
+ 1 file changed, 12 insertions(+), 17 deletions(-)
+
+diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+index da11e2d827ee..109636557357 100644
+--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
++++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+@@ -2418,26 +2418,21 @@ static int gfx_v9_0_rlc_resume(struct amdgpu_device *adev)
+ return r;
+ }
+
+- if (amdgpu_lbpw == -1) {
+- switch (adev->asic_type) {
+- case CHIP_RAVEN:
+- amdgpu_lbpw = 1;
+- break;
+- case CHIP_VEGA20:
+- amdgpu_lbpw = 0;
+- break;
+- default:
+- amdgpu_lbpw = 0;
+- break;
+- }
+- }
+-
+- if (adev->asic_type == CHIP_RAVEN ||
+- adev->asic_type == CHIP_VEGA20) {
+- if (amdgpu_lbpw != 0)
++ switch (adev->asic_type) {
++ case CHIP_RAVEN:
++ if (amdgpu_lbpw == 0)
++ gfx_v9_0_enable_lbpw(adev, false);
++ else
++ gfx_v9_0_enable_lbpw(adev, true);
++ break;
++ case CHIP_VEGA20:
++ if (amdgpu_lbpw > 0)
+ gfx_v9_0_enable_lbpw(adev, true);
+ else
+ gfx_v9_0_enable_lbpw(adev, false);
++ break;
++ default:
++ break;
+ }
+
+ adev->gfx.rlc.funcs->start(adev);
+--
+2.17.1
+