AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2024-12-19 09:56:46 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

drm/exynos: soft reset mixer before reconfigure after power-on

Browse Source 
Mixer soft reset is a recommended step before reconfiguring
the mixer after power on. Mixer looses the previous state of
DMAs if soft reset. This is the recommendation from the
hardware team.

Signed-off-by: Rahul Sharma <rahul.sharma@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
This commit is contained in:
Rahul Sharma 2014-06-23 11:02:24 +05:30 committed by Inki Dae
parent 5c0f4829e1
commit d74ed93784
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/gpu/drm/exynos/exynos_mixer.c
View File

@ -1085,6 +1085,8 @@ static void mixer_poweron(struct exynos_drm_manager *mgr)
ctx->powered = true;
mutex_unlock(&ctx->mixer_mutex);
mixer_reg_writemask(res, MXR_STATUS, ~0, MXR_STATUS_SOFT_RESET);
mixer_reg_write(res, MXR_INT_EN, ctx->int_en);
mixer_win_reset(ctx);