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-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c5
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/tests/amdgpu_dm_helpers_test.c2
2 files changed, 4 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
index 93fd5f251a6c..836c06772a68 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
@@ -1228,9 +1228,10 @@ void populate_hdmi_info_from_connector(bool enable_frl, struct drm_hdmi_info *hd
edid_caps->max_frl_rate = get_max_frl_rate(hdmi->max_lanes, hdmi->max_frl_rate_per_lane);
edid_caps->frl_dsc_support = hdmi->dsc_cap.v_1p2;
if (edid_caps->frl_dsc_support) {
- if (hdmi->dsc_cap.bpc_supported == 10)
+ /* HF-VSDB DSC max bpc is cumulative: >=12 implies 10 and 8. */
+ if (hdmi->dsc_cap.bpc_supported >= 10)
edid_caps->frl_dsc_10bpc = true;
- else if (hdmi->dsc_cap.bpc_supported == 12)
+ if (hdmi->dsc_cap.bpc_supported >= 12)
edid_caps->frl_dsc_12bpc = true;
edid_caps->frl_dsc_all_bpp = hdmi->dsc_cap.all_bpp;
edid_caps->frl_dsc_native_420 = hdmi->dsc_cap.native_420;
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/tests/amdgpu_dm_helpers_test.c b/drivers/gpu/drm/amd/display/amdgpu_dm/tests/amdgpu_dm_helpers_test.c
index d4232648d8e6..ceedb8745267 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/tests/amdgpu_dm_helpers_test.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/tests/amdgpu_dm_helpers_test.c
@@ -982,7 +982,7 @@ static void dm_test_populate_hdmi_frl_dsc_12bpc(struct kunit *test)
KUNIT_EXPECT_EQ(test, caps->max_frl_rate, 2);
KUNIT_EXPECT_TRUE(test, caps->frl_dsc_support);
- KUNIT_EXPECT_FALSE(test, caps->frl_dsc_10bpc);
+ KUNIT_EXPECT_TRUE(test, caps->frl_dsc_10bpc);
KUNIT_EXPECT_TRUE(test, caps->frl_dsc_12bpc);
KUNIT_EXPECT_EQ(test, caps->frl_dsc_max_slices, 7);
KUNIT_EXPECT_EQ(test, caps->frl_dsc_max_frl_rate, 1);