[PATCH] amdgpu/amdgpu_discovery: increase timeout limit for IFWI init

Xaver Hugl xaver.hugl at kde.org
Thu Jul 31 22:49:51 UTC 2025


With a timeout of only 1 second, my rx 5700XT fails to initialize,
so this increases the timeout to 2s.

Closes https://gitlab.freedesktop.org/drm/amd/-/issues/3697

Signed-off-by: Xaver Hugl <xaver.hugl at kde.org>
Cc: stable at vger.kernel.org
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
index 6d34eac0539d..ae6908b57d78 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
@@ -275,7 +275,7 @@ static int amdgpu_discovery_read_binary_from_mem(struct amdgpu_device *adev,
 	int i, ret = 0;
 
 	if (!amdgpu_sriov_vf(adev)) {
-		/* It can take up to a second for IFWI init to complete on some dGPUs,
+		/* It can take up to two seconds 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
@@ -283,7 +283,7 @@ static int amdgpu_discovery_read_binary_from_mem(struct amdgpu_device *adev,
 		 * continue.
 		 */
 
-		for (i = 0; i < 1000; i++) {
+		for (i = 0; i < 2000; i++) {
 			msg = RREG32(mmMP0_SMN_C2PMSG_33);
 			if (msg & 0x80000000)
 				break;
-- 
2.50.1



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