diff options
| author | Arnd Bergmann <arnd@arndb.de> | 2019-07-08 15:53:18 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-07-08 13:56:27 -0500 |
| commit | c602b36fe245f2114153f6690d1222ce1a51e942 (patch) | |
| tree | 2b5a5d7074f982ec63bd342a6cb6f98ddac6c27e /drivers/gpu | |
| parent | d155bef0636e019418ef5a69cafce129cc202b78 (diff) | |
drm/amd/display: dcn20: include linux/delay.h
Without this header, we get a compiler error in some configurations:
.../dc/dcn20/dcn20_hwseq.c: In function 'dcn20_hwss_wait_for_blank_complete':
.../dc/dcn20/dcn20_hwseq.c:1493:3: error: implicit declaration of function 'udelay' [-Werror=implicit-function-declaration]
Note: the use of udelay itself may be problematic, as can occupy
the CPU for 200ms in a busy-loop here.
Fixes: 7ed4e6352c16 ("drm/amd/display: Add DCN2 HW Sequencer and Resource")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c index 4b0d8b9f61da..6925d25d2457 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c @@ -22,6 +22,7 @@ * Authors: AMD * */ +#include <linux/delay.h> #include "dm_services.h" #include "dm_helpers.h" |