From 601f0479c583603900d5872bad6623e8866b0e35 Mon Sep 17 00:00:00 2001 From: Maitreyee Rao Date: Mon, 26 Jul 2021 17:38:18 -0700 Subject: drm/msm/dp: add logs across DP driver for ease of debugging Add trace points across the MSM DP driver to help debug interop issues. Changes in v2: - Got rid of redundant log messages. - Added %#x instead of 0x%x wherever required. - Got rid of __func__ calls in debug messages. - Added newline wherever missing. Changes in v3: - Got rid of redundant log messages. - Unstuck colon from printf specifier in various places. Changes in v4: - Changed goto statement and used if else-if Changes in v5: - Changed if else if statement, to not overwrite the ret variable multiple times. Changes in v6: - Changed a wrong log message. Signed-off-by: Maitreyee Rao Link: https://lore.kernel.org/r/1627346298-11528-1-git-send-email-maitreye@codeaurora.org Reviewed-by: Stephen Boyd Signed-off-by: Dmitry Baryshkov Signed-off-by: Rob Clark --- drivers/gpu/drm/msm/dp/dp_power.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers/gpu/drm/msm/dp/dp_power.c') diff --git a/drivers/gpu/drm/msm/dp/dp_power.c b/drivers/gpu/drm/msm/dp/dp_power.c index 3961ba4efc3c..b48b45e92bfa 100644 --- a/drivers/gpu/drm/msm/dp/dp_power.c +++ b/drivers/gpu/drm/msm/dp/dp_power.c @@ -208,6 +208,9 @@ static int dp_power_clk_set_rate(struct dp_power_private *power, int dp_power_clk_status(struct dp_power *dp_power, enum dp_pm_type pm_type) { + DRM_DEBUG_DP("core_clk_on=%d link_clk_on=%d stream_clk_on=%d\n", + dp_power->core_clks_on, dp_power->link_clks_on, dp_power->stream_clks_on); + if (pm_type == DP_CORE_PM) return dp_power->core_clks_on; -- cgit v1.2.3