From: Roman Li <[email protected]>
[WHY]
Splash screen corruption on some 8K monitors.
[HOW]
Set GPUVM min page size to 4K for DCN35/36 to use the correct DML2
calculations, avoiding the corruption path observed during splash.
Fixes: 115009d11ccf ("drm/amd/display: Add DCN35 DML2 support")
Cc: Mario Limonciello <[email protected]>
Cc: Alex Deucher <[email protected]>
Cc: [email protected]
Reviewed-by: Alex Hung <[email protected]>
Signed-off-by: Roman Li <[email protected]>
Signed-off-by: Alex Hung <[email protected]>
---
drivers/gpu/drm/amd/display/dc/dml2_0/dml2_translation_helper.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/amd/display/dc/dml2_0/dml2_translation_helper.c
b/drivers/gpu/drm/amd/display/dc/dml2_0/dml2_translation_helper.c
index 166f10b8862f..c82886323a51 100644
--- a/drivers/gpu/drm/amd/display/dc/dml2_0/dml2_translation_helper.c
+++ b/drivers/gpu/drm/amd/display/dc/dml2_0/dml2_translation_helper.c
@@ -301,6 +301,7 @@ void dml2_init_socbb_params(struct dml2_context *dml2,
const struct dc *in_dc, s
out->smn_latency_us = 2;
out->dispclk_dppclk_vco_speed_mhz = 3600;
out->pct_ideal_dram_bw_after_urgent_pixel_only = 65.0;
+ out->gpuvm_min_page_size_kbytes = 4;
break;
--
2.43.0
