diff options
Diffstat (limited to '0041-drm-amd-display-clear-optc-underflow-before-turn-off.patch')
| -rw-r--r-- | 0041-drm-amd-display-clear-optc-underflow-before-turn-off.patch | 44 |
1 files changed, 0 insertions, 44 deletions
diff --git a/0041-drm-amd-display-clear-optc-underflow-before-turn-off.patch b/0041-drm-amd-display-clear-optc-underflow-before-turn-off.patch deleted file mode 100644 index 1eb0e65821bb..000000000000 --- a/0041-drm-amd-display-clear-optc-underflow-before-turn-off.patch +++ /dev/null @@ -1,44 +0,0 @@ -From 3101839b080137c367f3f88c2a040f791de880aa Mon Sep 17 00:00:00 2001 -From: Fudong Wang <Fudong.Wang@amd.com> -Date: Wed, 27 Jul 2022 12:01:29 +0800 -Subject: [PATCH 41/73] drm/amd/display: clear optc underflow before turn off - odm clock - -[ Upstream commit b2a93490201300a749ad261b5c5d05cb50179c44 ] - -[Why] -After ODM clock off, optc underflow bit will be kept there always and clear not work. -We need to clear that before clock off. - -[How] -Clear that if have when clock off. - -Reviewed-by: Alvin Lee <alvin.lee2@amd.com> -Acked-by: Tom Chung <chiahsuan.chung@amd.com> -Signed-off-by: Fudong Wang <Fudong.Wang@amd.com> -Tested-by: Daniel Wheeler <daniel.wheeler@amd.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_optc.c | 5 +++++ - 1 file changed, 5 insertions(+) - -diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c -index b1671b00ce40..2349977b0abb 100644 ---- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c -+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c -@@ -464,6 +464,11 @@ void optc1_enable_optc_clock(struct timing_generator *optc, bool enable) - OTG_CLOCK_ON, 1, - 1, 1000); - } else { -+ -+ //last chance to clear underflow, otherwise, it will always there due to clock is off. -+ if (optc->funcs->is_optc_underflow_occurred(optc) == true) -+ optc->funcs->clear_optc_underflow(optc); -+ - REG_UPDATE_2(OTG_CLOCK_CONTROL, - OTG_CLOCK_GATE_DIS, 0, - OTG_CLOCK_EN, 0); --- -2.37.3 - |