drm/amd/display: add condition check for dmub notification
authorAurabindo Pillai <aurabindo.pillai@amd.com>
Wed, 27 Oct 2021 13:50:59 +0000 (09:50 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Wed, 3 Nov 2021 16:32:34 +0000 (12:32 -0400)
[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@amd.com>
Signed-off-by: Wayne Lin <Wayne.Lin@amd.com>
Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/display/dc/core/dc.c

index 11a00e4d9e81e6e8e954e964c923d88507524b88..398de46fb7e415adcb908a949127c3b77704457e 100644 (file)
@@ -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 */