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authorDave Airlie <airlied@redhat.com>2023-01-25 12:07:53 +1000
committerDave Airlie <airlied@redhat.com>2023-01-25 12:07:53 +1000
commit7dd1be30f02f7115002fe00f1f6802bbcf79f857 (patch)
tree5711a6081243f510f5f4df2e8e372617a63644ae /drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
parentb8f55f24bc82ed7064645cc7f6675430609314a5 (diff)
parentb4a9b36e69e935104e52e561aa9a82d39b5efc36 (diff)
Merge tag 'amd-drm-next-6.3-2023-01-20' of https://gitlab.freedesktop.org/agd5f/linux into drm-next
amd-drm-next-6.3-2023-01-20: amdgpu: - Secure display fixes - Fix scaling - Misc code cleanups - Display BW alloc logic updates - DCN 3.2 fixes - Fix power reporting on certain firmwares for CZN/RN - SR-IOV fixes - Link training cleanup and code rework - HDCP fixes - Reserved VMID fix - Documentation updates - Colorspace fixes - RAS updates - GC11.0 fixes - VCN instance harvesting fixes - DCN 3.1.4/5 workarounds for S/G displays - Add PCIe info to the INFO IOCTL amdkfd: - XNACK fix UAPI: - Add PCIe gen/lanes info to the amdgpu INFO IOCTL Nesa ultimately plans to use this to make decisions about buffer placement optimizations Mesa MR: https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/20790 Signed-off-by: Dave Airlie <airlied@redhat.com> From: Alex Deucher <alexander.deucher@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230120234523.7610-1-alexander.deucher@amd.com
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
index 2947159d7d78..ca945055e683 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
@@ -43,6 +43,7 @@
#include "amdgpu_gem.h"
#include "amdgpu_display.h"
#include "amdgpu_ras.h"
+#include "amd_pcie.h"
void amdgpu_unregister_gpu_instance(struct amdgpu_device *adev)
{
@@ -767,6 +768,7 @@ int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
case AMDGPU_INFO_DEV_INFO: {
struct drm_amdgpu_info_device *dev_info;
uint64_t vm_size;
+ uint32_t pcie_gen_mask;
int ret;
dev_info = kzalloc(sizeof(*dev_info), GFP_KERNEL);
@@ -799,7 +801,6 @@ int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
dev_info->num_rb_pipes = adev->gfx.config.max_backends_per_se *
adev->gfx.config.max_shader_engines;
dev_info->num_hw_gfx_contexts = adev->gfx.config.max_hw_contexts;
- dev_info->_pad = 0;
dev_info->ids_flags = 0;
if (adev->flags & AMD_IS_APU)
dev_info->ids_flags |= AMDGPU_IDS_FLAGS_FUSION;
@@ -853,6 +854,17 @@ int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
dev_info->tcc_disabled_mask = adev->gfx.config.tcc_disabled_mask;
+ /* Combine the chip gen mask with the platform (CPU/mobo) mask. */
+ pcie_gen_mask = adev->pm.pcie_gen_mask & (adev->pm.pcie_gen_mask >> 16);
+ dev_info->pcie_gen = fls(pcie_gen_mask);
+ dev_info->pcie_num_lanes =
+ adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X32 ? 32 :
+ adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X16 ? 16 :
+ adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X12 ? 12 :
+ adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 ? 8 :
+ adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 ? 4 :
+ adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 ? 2 : 1;
+
ret = copy_to_user(out, dev_info,
min((size_t)size, sizeof(*dev_info))) ? -EFAULT : 0;
kfree(dev_info);