[PATCH 5.18 0413/1095] drm/msm/hdmi: fill the pwr_regs bulk regulators

Greg Kroah-Hartman
2022-08-15T21:12:05Z

From: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>

[ Upstream commit a18a44e9262d5c7f7fbccbc9458df64d69185d41 ]

Conversion to use bulk regulator API omitted filling the pwr_regs with
proper regulator IDs. This was left unnoticed, since none of my testing
platforms has used the pwr_regs. Fix this by propagating regulator ids
properly.

Fixes: 31b3b1f5e352 ("drm/msm/hdmi: use bulk regulator API")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Patchwork: https://patchwork.freedesktop.org/patch/488847/
Link: https://lore.kernel.org/r/20220609113148.3149194-1-dmitry.baryshkov@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/gpu/drm/msm/hdmi/hdmi.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/msm/hdmi/hdmi.c b/drivers/gpu/drm/msm/hdmi/hdmi.c
index f6229262dcb0..4ce0b4c41e49 100644
--- a/drivers/gpu/drm/msm/hdmi/hdmi.c
+++ b/drivers/gpu/drm/msm/hdmi/hdmi.c
@@ -180,6 +180,9 @@ static struct hdmi *msm_hdmi_init(struct platform_device *pdev)
goto fail;
}

+ for (i = 0; i < config->pwr_reg_cnt; i++)
+ hdmi->pwr_regs[i].supply = config->pwr_reg_names[i];
+
ret = devm_regulator_bulk_get(&pdev->dev, config->pwr_reg_cnt, hdmi->pwr_regs);
if (ret) {
DRM_DEV_ERROR(&pdev->dev, "failed to get pwr regulator: %d\n", ret);
--
2.35.1