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Merge tag 'amd-drm-fixes-5.18-2022-05-04' of https://gitlab.freedesktop.org/agd5f/linux into drm-fixes

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amd-drm-fixes-5.18-2022-05-04:

amdgpu:
- Fix a xen dom0 regression on APUs
- Fix a potential array overflow if a receiver were to
  send an erroneous audio channel count

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220504190439.5723-1-alexander.deucher@amd.com
This commit is contained in:
Dave Airlie 2022-05-06 09:59:47 +10:00
commit ebbc04bdb1
2 changed files with 4 additions and 2 deletions
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4
drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
View File

@ -24,6 +24,7 @@
#include <linux/module.h>
#include <drm/drm_drv.h>
#include <xen/xen.h>
#include "amdgpu.h"
#include "amdgpu_ras.h"
@ -710,7 +711,8 @@ void amdgpu_detect_virtualization(struct amdgpu_device *adev)
adev->virt.caps |= AMDGPU_SRIOV_CAPS_ENABLE_IOV;
if (!reg) {
if (is_virtual_machine()) /* passthrough mode exclus sriov mod */
/* passthrough mode exclus sriov mod */
if (is_virtual_machine() && !xen_initial_domain())
adev->virt.caps |= AMDGPU_PASSTHROUGH_MODE;
}

2
drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
View File

@ -4440,7 +4440,7 @@ static void dp_test_get_audio_test_data(struct dc_link *link, bool disable_video
&dpcd_pattern_type.value,
sizeof(dpcd_pattern_type));
channel_count = dpcd_test_mode.bits.channel_count + 1;
channel_count = min(dpcd_test_mode.bits.channel_count + 1, AUDIO_CHANNELS_COUNT);
// read pattern periods for requested channels when sawTooth pattern is requested
if (dpcd_pattern_type.value == AUDIO_TEST_PATTERN_SAWTOOTH ||