diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4365-drm-amdgpu-add-warning-for-GRBM-1-cycle-delay-issue-.patch')
-rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4365-drm-amdgpu-add-warning-for-GRBM-1-cycle-delay-issue-.patch | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4365-drm-amdgpu-add-warning-for-GRBM-1-cycle-delay-issue-.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4365-drm-amdgpu-add-warning-for-GRBM-1-cycle-delay-issue-.patch new file mode 100644 index 00000000..85257463 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4365-drm-amdgpu-add-warning-for-GRBM-1-cycle-delay-issue-.patch @@ -0,0 +1,41 @@ +From e5c5504c64389201bec2377de804e4277bb18fc8 Mon Sep 17 00:00:00 2001 +From: changzhu <Changfeng.Zhu@amd.com> +Date: Tue, 5 Nov 2019 18:29:12 +0800 +Subject: [PATCH 4365/4736] drm/amdgpu: add warning for GRBM 1-cycle delay + issue in gfx9 +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +It needs to add warning to update firmware in gfx9 +in case that firmware is too old to have function to +realize dummy read in cp firmware. + +Change-Id: I6aef94f0823138f244f1eedb62fde833dd697023 +Signed-off-by: changzhu <Changfeng.Zhu@amd.com> +Reviewed-by: Christian König <christian.koenig@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 7 +++++++ + 1 file changed, 7 insertions(+) + +diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +index d521facadf59..a3bb662acb1f 100644 +--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c ++++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +@@ -982,6 +982,13 @@ static void gfx_v9_0_check_fw_write_wait(struct amdgpu_device *adev) + adev->gfx.me_fw_write_wait = false; + adev->gfx.mec_fw_write_wait = false; + ++ if ((adev->gfx.mec_fw_version < 0x000001a5) || ++ (adev->gfx.mec_feature_version < 46) || ++ (adev->gfx.pfp_fw_version < 0x000000b7) || ++ (adev->gfx.pfp_feature_version < 46)) ++ DRM_WARN_ONCE("Warning: check cp_fw_version and update it to realize \ ++ GRBM requires 1-cycle delay in cp firmware\n"); ++ + switch (adev->asic_type) { + case CHIP_VEGA10: + if ((adev->gfx.me_fw_version >= 0x0000009c) && +-- +2.17.1 + |