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drm/amd/display: Add case for dcn35 to support usb4 dmub hpd event

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[Why & how]
Refactor dc_is_dmub_outbox_supported() a bit and add case for dcn35 to
register dmub outbox notification irq to handle usb4 relevant hpd event.

Reviewed-by: Roman Li <roman.li@amd.com>
Reviewed-by: Jun Lei <jun.lei@amd.com>
Signed-off-by: Wayne Lin <wayne.lin@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Wayne Lin 2023-12-05 14:55:31 +08:00 committed by Alex Deucher
parent 3248211dd9
commit 989824589f
1 changed files with 18 additions and 8 deletions
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26
drivers/gpu/drm/amd/display/dc/core/dc.c
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@ -5095,18 +5095,28 @@ void dc_mclk_switch_using_fw_based_vblank_stretch_shut_down(struct dc *dc)
*/
bool dc_is_dmub_outbox_supported(struct dc *dc)
{
/* DCN31 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->debug.dpia_debug.bits.disable_dpia)
return true;
switch (dc->ctx->asic_id.chip_family) {
if (dc->ctx->asic_id.chip_family == AMDGPU_FAMILY_GC_11_0_1 &&
!dc->debug.dpia_debug.bits.disable_dpia)
return true;
case FAMILY_YELLOW_CARP:
/* DCN31 B0 USB4 DPIA needs dmub notifications for interrupts */
if (dc->ctx->asic_id.hw_internal_rev == YELLOW_CARP_B0 &&
!dc->debug.dpia_debug.bits.disable_dpia)
return true;
break;
case AMDGPU_FAMILY_GC_11_0_1:
case AMDGPU_FAMILY_GC_11_5_0:
if (!dc->debug.dpia_debug.bits.disable_dpia)
return true;
break;
default:
break;
}
/* dmub aux needs dmub notifications to be enabled */
return dc->debug.enable_dmub_aux_for_legacy_ddc;
}
/**