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authorDave Airlie <airlied@redhat.com>2023-11-06 11:25:10 +1000
committerDave Airlie <airlied@redhat.com>2023-11-06 11:25:14 +1000
commit9ccde17d46554dbb2757c427f2cdf67688701f96 (patch)
tree70a722f3ee4124fc0b4b695f5c4e40f0293ac9ce /drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
parentf056cb9681f631c99c7c6780c82651c86f15cf5c (diff)
parent6d5e0032a92df3a030cd47d91905310591466687 (diff)
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Merge tag 'amd-drm-next-6.7-2023-11-03' of https://gitlab.freedesktop.org/agd5f/linux into drm-next
amd-drm-next-6.7-2023-11-03: amdgpu: - Fix RAS support check - RAS fixes - MES fixes - SMU13 fixes - Contiguous memory allocation fix - BACO fixes - GPU reset fixes - Min power limit fixes - GFX11 fixes - USB4/TB hotplug fixes - ARM regression fix - GFX9.4.3 fixes - KASAN/KCSAN stack size check fixes - SR-IOV fixes - SMU14 fixes - PSP13 fixes - Display blend fixes - Flexible array size fixes amdkfd: - GPUVM fix radeon: - Flexible array size fixes Signed-off-by: Dave Airlie <airlied@redhat.com> From: Alex Deucher <alexander.deucher@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20231103173203.4912-1-alexander.deucher@amd.com
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c26
1 files changed, 24 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
index b6a53e8429b2..0431eafa86b5 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
@@ -99,6 +99,7 @@
MODULE_FIRMWARE(FIRMWARE_IP_DISCOVERY);
#define mmRCC_CONFIG_MEMSIZE 0xde3
+#define mmMP0_SMN_C2PMSG_33 0x16061
#define mmMM_INDEX 0x0
#define mmMM_INDEX_HI 0x6
#define mmMM_DATA 0x1
@@ -239,8 +240,26 @@ static int amdgpu_discovery_read_binary_from_sysmem(struct amdgpu_device *adev,
static int amdgpu_discovery_read_binary_from_mem(struct amdgpu_device *adev,
uint8_t *binary)
{
- uint64_t vram_size = (uint64_t)RREG32(mmRCC_CONFIG_MEMSIZE) << 20;
- int ret = 0;
+ uint64_t vram_size;
+ u32 msg;
+ int i, ret = 0;
+
+ /* It can take up to a second for IFWI init to complete on some dGPUs,
+ * but generally it should be in the 60-100ms range. Normally this starts
+ * as soon as the device gets power so by the time the OS loads this has long
+ * completed. However, when a card is hotplugged via e.g., USB4, we need to
+ * wait for this to complete. Once the C2PMSG is updated, we can
+ * continue.
+ */
+ if (dev_is_removable(&adev->pdev->dev)) {
+ for (i = 0; i < 1000; i++) {
+ msg = RREG32(mmMP0_SMN_C2PMSG_33);
+ if (msg & 0x80000000)
+ break;
+ msleep(1);
+ }
+ }
+ vram_size = (uint64_t)RREG32(mmRCC_CONFIG_MEMSIZE) << 20;
if (vram_size) {
uint64_t pos = vram_size - DISCOVERY_TMR_OFFSET;
@@ -2449,6 +2468,9 @@ int amdgpu_discovery_set_ip_blocks(struct amdgpu_device *adev)
if (amdgpu_ip_version(adev, XGMI_HWIP, 0) == IP_VERSION(4, 8, 0))
adev->gmc.xgmi.supported = true;
+ if (amdgpu_ip_version(adev, GC_HWIP, 0) == IP_VERSION(9, 4, 3))
+ adev->ip_versions[XGMI_HWIP][0] = IP_VERSION(6, 4, 0);
+
/* set NBIO version */
switch (amdgpu_ip_version(adev, NBIO_HWIP, 0)) {
case IP_VERSION(6, 1, 0):