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From 705099dc5dfd1e11172217acc87b4f963d9bda16 Mon Sep 17 00:00:00 2001
From: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Date: Wed, 19 Dec 2018 08:35:51 -0500
Subject: [PATCH 0974/2940] drm/amd/display: Use div_u64 for flip timestamp ns
to ms
Resolves __udivdi3 missing errors when building for i386.
Fixes: 6378ef012ddc ("drm/amd/display: Add below the range support for FreeSync")
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 6c93f68f619a..2e0eac108e55 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -4595,6 +4595,7 @@ static void amdgpu_dm_do_flip(struct drm_crtc *crtc,
struct dc_state *state)
{
unsigned long flags;
+ uint64_t timestamp_ns;
uint32_t target_vblank;
int r, vpos, hpos;
struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc);
@@ -4657,7 +4658,9 @@ static void amdgpu_dm_do_flip(struct drm_crtc *crtc,
addr.address.grph.addr.low_part = lower_32_bits(afb->address);
addr.address.grph.addr.high_part = upper_32_bits(afb->address);
addr.flip_immediate = async_flip;
- addr.flip_timestamp_in_us = ktime_get_ns() / 1000;
+
+ timestamp_ns = ktime_get_ns();
+ addr.flip_timestamp_in_us = div_u64(timestamp_ns, 1000);
if (acrtc->base.state->event)
--
2.17.1
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