[PATCH 12/14] drm/amd/display: add condition check for dmub notification

Aurabindo Pillai aurabindo.pillai at amd.com
Fri Oct 29 15:14:54 UTC 2021


[Why & How]
In order to have dc_enable_dmub_notifications() more precise, add
one more condition to check if dc->debug.dpia_debug.bits.disable_dpia
is false.

Signed-off-by: Meenakshikumar Somasundaram <meenakshikumar.somasundaram at amd.com>
Signed-off-by: Wayne Lin <Wayne.Lin at amd.com>
Signed-off-by: Aurabindo Pillai <aurabindo.pillai at amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas at amd.com>
---
 drivers/gpu/drm/amd/display/dc/core/dc.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 11a00e4d9e81..398de46fb7e4 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -3608,7 +3608,8 @@ bool dc_enable_dmub_notifications(struct dc *dc)
 #if defined(CONFIG_DRM_AMD_DC_DCN)
 	/* YELLOW_CARP B0 USB4 DPIA needs dmub notifications for interrupts */
 	if (dc->ctx->asic_id.chip_family == FAMILY_YELLOW_CARP &&
-	    dc->ctx->asic_id.hw_internal_rev == YELLOW_CARP_B0)
+	    dc->ctx->asic_id.hw_internal_rev == YELLOW_CARP_B0 &&
+	    !dc->debug.dpia_debug.bits.disable_dpia)
 		return true;
 #endif
 	/* dmub aux needs dmub notifications to be enabled */
-- 
2.30.2



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