drm/msm/hdmi: fill the pwr_regs bulk regulators

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: 31b3b1f5 ("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.orgSigned-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>

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);