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From e922cfb1c410d8cb200a08f1b2a527d92d95480a Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Thu, 11 Jun 2015 11:26:03 -0400
Subject: [PATCH 0271/1050] drm/amdgpu: fix hpd range check in
dce_v8_0_hpd_irq()
Spotted by Dan Carpenter. This is a slight variant of
his fix.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/dce_v8_0.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c
index 72c27ac..aaca8d6 100644
--- a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c
@@ -3379,7 +3379,7 @@ static int dce_v8_0_hpd_irq(struct amdgpu_device *adev,
uint32_t disp_int, mask, int_control, tmp;
unsigned hpd;
- if (entry->src_data > 6) {
+ if (entry->src_data >= adev->mode_info.num_hpd) {
DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data);
return 0;
}
--
1.9.1
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