diff options
| author | Jouni Högander <jouni.hogander@intel.com> | 2023-05-30 12:16:49 +0200 |
|---|---|---|
| committer | Joonas Lahtinen <joonas.lahtinen@linux.intel.com> | 2023-06-05 13:19:32 +0200 |
| commit | 2d6f2f79e06571d41eb1223abebe9097511c9544 (patch) | |
| tree | b726166f41619d0dc53ae9b35e96dcb411344cd6 /drivers/gpu | |
| parent | drm/i915/display: Set correct voltage level for 480MHz CDCLK (diff) | |
| download | linux-2d6f2f79e06571d41eb1223abebe9097511c9544.tar.xz linux-2d6f2f79e06571d41eb1223abebe9097511c9544.zip | |
drm/i915: Use 18 fast wake AUX sync len
HW default for wake sync pulses is 18. 10 precharge and 8 preamble. There
is no reason to change this especially as it is causing problems with
certain eDP panels.
v3: Change "Fixes:" commit
v2: Remove "fast wake" repeat from subject
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Fixes: e1c71f8f9180 ("drm/i915: Fix fast wake AUX sync len")
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/8475
Reviewed-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230530101649.2549949-1-jouni.hogander@intel.com
(cherry picked from commit b29a20f7c4995a059ed764ce42389857426397c7)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dp_aux.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp_aux.c b/drivers/gpu/drm/i915/display/intel_dp_aux.c index 705915d50565..524bd6da260c 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_aux.c +++ b/drivers/gpu/drm/i915/display/intel_dp_aux.c @@ -129,7 +129,7 @@ static int intel_dp_aux_sync_len(void) static int intel_dp_aux_fw_sync_len(void) { - int precharge = 16; /* 10-16 */ + int precharge = 10; /* 10-16 */ int preamble = 8; return precharge + preamble; |