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Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4575-Revert-drm-amd-display-enable-S-G-for-RAVEN-chip.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4575-Revert-drm-amd-display-enable-S-G-for-RAVEN-chip.patch | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4575-Revert-drm-amd-display-enable-S-G-for-RAVEN-chip.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4575-Revert-drm-amd-display-enable-S-G-for-RAVEN-chip.patch new file mode 100644 index 00000000..8165f97c --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4575-Revert-drm-amd-display-enable-S-G-for-RAVEN-chip.patch @@ -0,0 +1,50 @@ +From 491a758e006216162226c162a2c1c540b8338870 Mon Sep 17 00:00:00 2001 +From: Alex Deucher <alexander.deucher@amd.com> +Date: Fri, 15 Nov 2019 10:26:52 -0500 +Subject: [PATCH 4575/4736] Revert "drm/amd/display: enable S/G for RAVEN chip" +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +This reverts commit 1c4259159132ae4ceaf7c6db37a6cf76417f73d9. + +S/G display is not stable with the IOMMU enabled on some +platforms. + +Bug: https://bugzilla.kernel.org/show_bug.cgi?id=205523 +Acked-by: Christian König <christian.koenig@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_display.c | 2 +- + drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 2 +- + 2 files changed, 2 insertions(+), 2 deletions(-) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c +index dcabe24e4dc3..cf589c055305 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c +@@ -512,7 +512,7 @@ uint32_t amdgpu_display_supported_domains(struct amdgpu_device *adev, + * Also, don't allow GTT domain if the BO doens't have USWC falg set. + */ + if (adev->asic_type >= CHIP_CARRIZO && +- adev->asic_type <= CHIP_RAVEN && ++ adev->asic_type < CHIP_RAVEN && + (adev->flags & AMD_IS_APU) && + (bo_flags & AMDGPU_GEM_CREATE_CPU_GTT_USWC) && + amdgpu_bo_support_uswc(bo_flags) && +diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +index 3ec482e79ecf..841f0bfd1e4f 100755 +--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c ++++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +@@ -929,7 +929,7 @@ static int amdgpu_dm_init(struct amdgpu_device *adev) + */ + if (adev->flags & AMD_IS_APU && + adev->asic_type >= CHIP_CARRIZO && +- adev->asic_type <= CHIP_RAVEN) ++ adev->asic_type < CHIP_RAVEN) + init_data.flags.gpu_vm_support = true; + + if (amdgpu_dc_feature_mask & DC_FBC_MASK) +-- +2.17.1 + |