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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-03 05:08:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-03 05:08:49 +0000 |
commit | 76047c0312414915035f4ebbaa533fe3817a21e0 (patch) | |
tree | 86f79ba3c1f753b1d39be793455035794fade031 /drivers/gpu/drm/panel/panel-samsung-atna33xc20.c | |
parent | Adding upstream version 6.8.11. (diff) | |
download | linux-76047c0312414915035f4ebbaa533fe3817a21e0.tar.xz linux-76047c0312414915035f4ebbaa533fe3817a21e0.zip |
Adding upstream version 6.8.12.upstream/6.8.12
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/panel/panel-samsung-atna33xc20.c')
-rw-r--r-- | drivers/gpu/drm/panel/panel-samsung-atna33xc20.c | 24 |
1 files changed, 15 insertions, 9 deletions
diff --git a/drivers/gpu/drm/panel/panel-samsung-atna33xc20.c b/drivers/gpu/drm/panel/panel-samsung-atna33xc20.c index 5703f4712d..9c336c7156 100644 --- a/drivers/gpu/drm/panel/panel-samsung-atna33xc20.c +++ b/drivers/gpu/drm/panel/panel-samsung-atna33xc20.c @@ -72,6 +72,7 @@ static int atana33xc20_suspend(struct device *dev) if (p->el3_was_on) atana33xc20_wait(p->el_on3_off_time, 150); + drm_dp_dpcd_set_powered(p->aux, false); ret = regulator_disable(p->supply); if (ret) return ret; @@ -93,6 +94,7 @@ static int atana33xc20_resume(struct device *dev) ret = regulator_enable(p->supply); if (ret) return ret; + drm_dp_dpcd_set_powered(p->aux, true); p->powered_on_time = ktime_get_boottime(); if (p->no_hpd) { @@ -107,19 +109,17 @@ static int atana33xc20_resume(struct device *dev) if (hpd_asserted < 0) ret = hpd_asserted; - if (ret) + if (ret) { dev_warn(dev, "Error waiting for HPD GPIO: %d\n", ret); - - return ret; - } - - if (p->aux->wait_hpd_asserted) { + goto error; + } + } else if (p->aux->wait_hpd_asserted) { ret = p->aux->wait_hpd_asserted(p->aux, HPD_MAX_US); - if (ret) + if (ret) { dev_warn(dev, "Controller error waiting for HPD: %d\n", ret); - - return ret; + goto error; + } } /* @@ -131,6 +131,12 @@ static int atana33xc20_resume(struct device *dev) * right times. */ return 0; + +error: + drm_dp_dpcd_set_powered(p->aux, false); + regulator_disable(p->supply); + + return ret; } static int atana33xc20_disable(struct drm_panel *panel) |