From: Nikola Cornij <nikola.cor...@amd.com>
[why]
With DSC power gating enabled, one of the register reads times out occasionally,
causing a DSC test to fail.
[how]
Disable DSC power gating in Diags.
NOTE: This has to be reverted once the problems with DSC power gating are
resolved.
Signed-off-by: Nikola Cornij <nikola.cor...@amd.com>
Reviewed-by: Nevenko Stupar <nevenko.stu...@amd.com>
Acked-by: Bhawanpreet Lakha <bhawanpreet.la...@amd.com>
Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
---
drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
index e7a8a13a9d33..ac65794c7fa6 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
@@ -723,6 +723,9 @@ static const struct dc_debug_options debug_defaults_diags =
{
.disable_pplib_wm_range = true,
.disable_stutter = true,
.scl_reset_length10 = true,
+#ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT
+ .disable_dsc_power_gate = true,
+#endif
};
void dcn20_dpp_destroy(struct dpp **dpp)
--
2.20.1
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