drm/amd/display: only warn once in dce110_edp_wait_for_hpd_ready()

Message ID 20230214211254.233468-1-hamza.mahfooz@amd.com
State New
Headers
Series drm/amd/display: only warn once in dce110_edp_wait_for_hpd_ready() |

Commit Message

Hamza Mahfooz Feb. 14, 2023, 9:12 p.m. UTC
  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@amd.com>
---
 drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)
  

Comments

Harry Wentland Feb. 15, 2023, 9:34 p.m. UTC | #1
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@amd.com>

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

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(
  

Patch

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(