[PATCH 03/16] drm/amd/display: add hdmi disable debug check

[Bhawanpreet Lakha]

From: Dale Zhao <dale.z...@amd.com>

[Why]
Using the hdmi_disable option doesnt disable 6GB bandwidth

[How]
Add debug.hdmi20_disable flage when checking 6GB enable or not.

Reviewed-by: Chris Park <chris.p...@amd.com>
Reviewed-by: Aric Cyr <aric....@amd.com>
Acked-by: Bhawanpreet Lakha <bhawanpreet.la...@amd.com>
Signed-off-by: Dale Zhao <dale.z...@amd.com>
---
 drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c     | 5 +++--
 drivers/gpu/drm/amd/display/dc/dcn10/dcn10_link_encoder.c | 5 +++--
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c 
b/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c
index 1e77ffee71b3..f1c61d5aee6c 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c
@@ -788,8 +788,9 @@ static bool dce110_link_encoder_validate_hdmi_output(
                        crtc_timing->pixel_encoding == PIXEL_ENCODING_YCBCR420)
                return false;
 
-       if (!enc110->base.features.flags.bits.HDMI_6GB_EN &&
-               adjusted_pix_clk_khz >= 300000)
+       if ((!enc110->base.features.flags.bits.HDMI_6GB_EN ||
+                       enc110->base.ctx->dc->debug.hdmi20_disable) &&
+                       adjusted_pix_clk_khz >= 300000)
                return false;
        if (enc110->base.ctx->dc->debug.hdmi20_disable &&
                crtc_timing->pixel_encoding == PIXEL_ENCODING_YCBCR420)
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_link_encoder.c 
b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_link_encoder.c
index 2dc4b4e4ba02..f4b34c110eae 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_link_encoder.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_link_encoder.c
@@ -646,8 +646,9 @@ static bool dcn10_link_encoder_validate_hdmi_output(
                        crtc_timing->pixel_encoding == PIXEL_ENCODING_YCBCR420)
                return false;
 
-       if (!enc10->base.features.flags.bits.HDMI_6GB_EN &&
-               adjusted_pix_clk_100hz >= 3000000)
+       if ((!enc10->base.features.flags.bits.HDMI_6GB_EN ||
+                       enc10->base.ctx->dc->debug.hdmi20_disable) &&
+                       adjusted_pix_clk_100hz >= 3000000)
                return false;
        if (enc10->base.ctx->dc->debug.hdmi20_disable &&
                crtc_timing->pixel_encoding == PIXEL_ENCODING_YCBCR420)
-- 
2.25.1