From: Aurabindo Pillai <aurabindo.pillai@amd.com>
Date: Fri, 24 Jan 2025 21:10:57 +0000 (-0500)
Subject: drm/amd/display: Add log for MALL entry on DCN32x
X-Git-Tag: v6.15-rc1~120^2~17^2~15
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=9856893f754435c8f78e0a2e03716bac680b4bf4;p=thirdparty%2Fkernel%2Flinux.git

drm/amd/display: Add log for MALL entry on DCN32x

[Why&How]
Add a dyndbg log entry to check whether the driver requested scanout
from MALL cache to PMFW via DMCUB

Reviewed-by: Zaeem Mohamed <zaeem.mohamed@amd.com>
Reviewed-by: Roman Li <roman.li@amd.com>
Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c
index dd46db67d033f..cd0adf72b2230 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c
@@ -316,10 +316,12 @@ bool dcn32_apply_idle_power_optimizations(struct dc *dc, bool enable)
 			cmd.cab.cab_alloc_ways = (uint8_t)ways;
 
 			dc_wake_and_execute_dmub_cmd(dc->ctx, &cmd, DM_DMUB_WAIT_TYPE_NO_WAIT);
+			DC_LOG_MALL("enable scanout from MALL");
 
 			return true;
 		}
 
+		DC_LOG_MALL("surface cannot fit in CAB, disabling scanout from MALL\n");
 		return false;
 	}