Re: [PATCH] drm/amd/display: only warn once in dce110_edp_wait_for_hpd_ready()

From: Harry Wentland
Date: Wed Feb 15 2023 - 16:35:04 EST




On 2/14/23 16:12, Hamza Mahfooz wrote:
Since, hot plugging eDP displays isn't supported, it is sufficient for
us to warn about the lack of a connected display once. So, use ASSERT()
in dce110_edp_wait_for_hpd_ready() instead of DC_LOG_WARNING().

Signed-off-by: Hamza Mahfooz <hamza.mahfooz@xxxxxxx>

Reviewed-by: Harry Wentland <harry.wentland@xxxxxxx>

Harry

---
drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
index fb3fd5b7c78b..0d4d3d586166 100644
--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
@@ -779,10 +779,8 @@ void dce110_edp_wait_for_hpd_ready(
dal_gpio_destroy_irq(&hpd);
- if (false == edp_hpd_high) {
- DC_LOG_WARNING(
- "%s: wait timed out!\n", __func__);
- }
+ /* ensure that the panel is detected */
+ ASSERT(edp_hpd_high > }
void dce110_edp_power_control(