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    Subject[PATCH AUTOSEL 5.2 057/171] drm/amd/display: fix compilation error
    Date
    From: Hariprasad Kelam <hariprasad.kelam@gmail.com>

    [ Upstream commit 88099f53cc3717437f5fc9cf84205c5b65118377 ]

    this patch fixes below compilation error

    drivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_hw_sequencer.c: In
    function ‘dcn10_apply_ctx_for_surface’:
    drivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_hw_sequencer.c:2378:3:
    error: implicit declaration of function ‘udelay’
    [-Werror=implicit-function-declaration]
    udelay(underflow_check_delay_us);

    Signed-off-by: Hariprasad Kelam <hariprasad.kelam@gmail.com>
    Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c | 1 +
    1 file changed, 1 insertion(+)

    diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
    index 33d311cea28c..9e4d70a0055e 100644
    --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
    +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
    @@ -23,6 +23,7 @@
    *
    */

    +#include <linux/delay.h>
    #include "dm_services.h"
    #include "core_types.h"
    #include "resource.h"
    --
    2.20.1
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