Merge tag 'amd-drm-fixes-6.11-2024-08-21' of...

Merge tag 'amd-drm-fixes-6.11-2024-08-21' of https://gitlab.freedesktop.org/agd5f/linux into drm-fixes

amd-drm-fixes-6.11-2024-08-21:

amdgpu:
- GFX10 firmware loading fix
- SDMA 5.2 fix
- Debugfs parameter validation fix
- eGPU hotplug fix
Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240821172810.302416-1-alexander.deucher@amd.com

drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c

@@ -278,7 +278,7 @@ static int amdgpu_discovery_read_binary_from_mem(struct amdgpu_device *adev,
 			msg = RREG32(mmMP0_SMN_C2PMSG_33);
 			if (msg & 0x80000000)
 				break;
-			usleep_range(1000, 1100);
+			msleep(1);
 		}
 	}
 

drivers/gpu/drm/amd/amdgpu/amdgpu_psp_ta.c

@@ -166,6 +166,9 @@ static ssize_t ta_if_load_debugfs_write(struct file *fp, const char *buf, size_t
 	if (ret)
 		return -EFAULT;
 
+	if (ta_bin_len > PSP_1_MEG)
+		return -EINVAL;
+
 	copy_pos += sizeof(uint32_t);
 
 	ta_bin = kzalloc(ta_bin_len, GFP_KERNEL);

drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c

@@ -4116,6 +4116,7 @@ static void gfx_v10_0_check_gfxoff_flag(struct amdgpu_device *adev)
 
 static int gfx_v10_0_init_microcode(struct amdgpu_device *adev)
 {
+	char fw_name[53];
 	char ucode_prefix[30];
 	const char *wks = "";
 	int err;
@@ -4149,8 +4150,8 @@ static int gfx_v10_0_init_microcode(struct amdgpu_device *adev)
 	amdgpu_gfx_cp_init_microcode(adev, AMDGPU_UCODE_ID_CP_CE);
 
 	if (!amdgpu_sriov_vf(adev)) {
-		err = amdgpu_ucode_request(adev, &adev->gfx.rlc_fw,
-					   "amdgpu/%s_rlc.bin", ucode_prefix);
+		snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_rlc.bin", ucode_prefix);
+		err = request_firmware(&adev->gfx.rlc_fw, fw_name, adev->dev);
 		if (err)
 			goto out;
 

drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c

@@ -176,6 +176,7 @@ static void sdma_v5_2_ring_set_wptr(struct amdgpu_ring *ring)
 		DRM_DEBUG("calling WDOORBELL64(0x%08x, 0x%016llx)\n",
 				ring->doorbell_index, ring->wptr << 2);
 		WDOORBELL64(ring->doorbell_index, ring->wptr << 2);
+		if (amdgpu_ip_version(adev, SDMA0_HWIP, 0) == IP_VERSION(5, 2, 1)) {
 			/* SDMA seems to miss doorbells sometimes when powergating kicks in.
 			 * Updating the wptr directly will wake it. This is only safe because
 			 * we disallow gfxoff in begin_use() and then allow it again in end_use().
@@ -184,6 +185,7 @@ static void sdma_v5_2_ring_set_wptr(struct amdgpu_ring *ring)
 			       lower_32_bits(ring->wptr << 2));
 			WREG32(sdma_v5_2_get_reg_offset(adev, ring->me, mmSDMA0_GFX_RB_WPTR_HI),
 			       upper_32_bits(ring->wptr << 2));
+		}
 	} else {
 		DRM_DEBUG("Not using doorbell -- "
 				"mmSDMA%i_GFX_RB_WPTR == 0x%08x "