summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
diff options
context:
space:
mode:
authorMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2023-04-12 12:01:32 +0200
committerMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2023-04-12 12:01:32 +0200
commit5603effb8295ada8419408d038a34ca89d658229 (patch)
treeb06d8e309631d507c7b030e943b8479e2d15250b /drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
parentb89ce1177d42d5c124e83f3858818cd4e6a2c46f (diff)
parent09a9639e56c01c7a00d6c0ca63f4c7c41abe075d (diff)
Merge remote-tracking branch 'drm/drm-fixes' into drm-misc-fixes
We were stuck on rc2, should at least attempt to track drm-fixes slightly. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
index 25217b05c0ea..e7974de8b035 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
@@ -26,6 +26,7 @@
#include <linux/firmware.h>
#include <linux/module.h>
+#include <linux/dmi.h>
#include <linux/pci.h>
#include <linux/debugfs.h>
#include <drm/drm_drv.h>
@@ -114,6 +115,24 @@ int amdgpu_vcn_sw_init(struct amdgpu_device *adev)
(adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG))
adev->vcn.indirect_sram = true;
+ /*
+ * Some Steam Deck's BIOS versions are incompatible with the
+ * indirect SRAM mode, leading to amdgpu being unable to get
+ * properly probed (and even potentially crashing the kernel).
+ * Hence, check for these versions here - notice this is
+ * restricted to Vangogh (Deck's APU).
+ */
+ if (adev->ip_versions[UVD_HWIP][0] == IP_VERSION(3, 0, 2)) {
+ const char *bios_ver = dmi_get_system_info(DMI_BIOS_VERSION);
+
+ if (bios_ver && (!strncmp("F7A0113", bios_ver, 7) ||
+ !strncmp("F7A0114", bios_ver, 7))) {
+ adev->vcn.indirect_sram = false;
+ dev_info(adev->dev,
+ "Steam Deck quirk: indirect SRAM disabled on BIOS %s\n", bios_ver);
+ }
+ }
+
hdr = (const struct common_firmware_header *)adev->vcn.fw->data;
adev->vcn.fw_version = le32_to_cpu(hdr->ucode_version);